Our directory is designed to help you find the right software testing company in the USA, based on five ranking criteria, expert review, and 1,300 verified client reviews.
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.
At Designli, we turn software into real, revenue-generating businesses and we measure our success by yours. Real users on a working MVP in 30 days, guaranteed. Senior teams paid on outcomes, not promises. First 14 days fully refundable...
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Mobile App Development Review from Anonymous
Designli delivered a high-quality prototype on a tight timeline. The team was responsive to feedback, met every deadline, stayed within budget, and quickly adapted to requested changes. Their expertise in app design and development was evident throughout the project and left a strong impression.
AI UI/UX Design Review from Anonymous
Designli produced a complete, functional Figma prototype for our solution. They communicated clearly through virtual meetings and stood out for their strong process, gathering feedback from multiple stakeholders and delivering on schedule. Overall, we were very impressed with their work.
AI UI/UX Design Review from Anonymous
Designli delivered Figma wireframes that were both well-crafted and well-received by our team. The designs were clean, intuitive, and elegant, reflecting strong design intuition. Throughout the process, the team stayed organized, communicated clearly via Basecamp, and delivered everything on time.
Phenomenon Studio is a boutique product design and development agency founded in 2019. We work with teams who've outgrown what they've built from venture-backed startups to established market leaders and own the work end to end: strategy, design, development, and post-launch...
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Web Development Review from Jeffery Kienholz
Phenomenon Studio was brought on board to revamp our existing web app. What was once a simple online study tool is now a cutting edge, AI-powered learning platform. The team introduced personalized learning experiences, intelligent progress tracking, and interactive features all designed to adapt to each students individual needs and boost engagement.
Mobile App Development Review from Lorenz Maresca
Phenomenon Studio excels in designing and maintaining our app with aseamless, user-friendly interface. Their proactive approach, creative input, andtechnical expertise ensure a reliable and professional experience for our clients. They consistently deliver on time, enhance functionality, and demonstrate a deepunderstanding of fintech user needs.
Web Development Review from Eileen Daunt
The team produced a user-friendly and aesthetically pleasing platform, increasing inquiries and requests for information. Phenomenon Studio's work received positive feedback from stakeholders and they also provide excellent project management.
GMTA Software specializes in creating customized websites and mobile app development solutions as an expert software developer. Our team guides you on your path to digital transformation by establishing an open and transparent communication bridge...
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Mobile App Development Review from Adeoye Odunayo
We worked with GMTA Software solutions on a web and mobile development project aimed at creating a scalable digital product that could support our growing buisness and improve user experience. from the beginning, their team took time to understand our requirements target audience and long- term goal before starting the development process.What stood out most during our collaboration was their communication and structured workflow. They provided regular progress update.Overall GMTA Software solutions proved to be a reliable and professional development partner and we would confidently recommend them.
Web Design Review from Joselyne Garcia
We are delighted with the results they've delivered for us, they are a company that deliver whatever they promise, additionally they are very easy to work with
Web Design Review from Iyer Amruthur
We sent them our logo and also some photography, then they took those new assets and imagined what our website could look like, then they took those elements and designed our website for us, the website contained a lot of new features that enabled us to market better
Chudovo: A nearshore software development leader with offices in Cologne, Kyiv, NY, Tallinn, and London. Specializing in healthcare, finance, and more. Innovative, domain-focused solutions...
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Software Development Review from Khrystyna Sliana
The Chudovo team helped us with the implementation of the blockchain-based financial platform. The hired developers had extensive experience in the development of secure smart contracts. The team has built a robust infrastructure in order to support multiple DeFi dApps. With Chudovo, we have delivered audited, gas-optimized smart contracts, integrated wallets and protocols, and implemented scalable back-end architecture. The blockchain developers worked as part of our team. Due to the proactive approach of the software engineers, we were able to deliver the project according to the deadlines.
Software Development Review from Olha Chura
Chudovo provided a professional ASP.NET developer who joined our team and took over the ongoing maintenance and modernization tasks for the online lending platform. Their expertise was important to assist in breaking the monolithic platform into microservices and migrating it to the latest .NET version. Communication was professional and consistent, and the software engineer was proactive and adaptable throughout the engagement. Chudovo delivered top-quality results and contributed significantly to the success of our project.
Juan Eng Paw's Review Sourced from Google
Our experience with Chudovo has been very positive. They combine technical knowledge with professionalism and flexibility, making them a valuable partner for technology-driven businesses looking for reliable development support.
Techstack is a strategic technology partner with 10+ years of expertise in mobile and custom software development. We build, scale, and evolve high-quality digital products through strong engineering culture, transparency, and long-term growth focus...
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Software Development Review from Darshan Chordia
We worked with Techstack to create a digital platform that would simplify how we manage projects, materials, and client interactions. The idea was to make our process more transparent and efficient while keeping the quality and uniqueness of our products at the center.From the beginning, Techstacks team understood our needs clearly. They built a stable, modern system that allowed us to manage workflows, track materials, and visualize designs in real time. Everything worked smoothly across devices, and the new platform handled large amounts of visual data without any performance issues.Communication was easy and professional throughout the project. The team stayed responsive, respected deadlines, and quickly adapted to feedback. We appreciated how they approached the project with both technical precision and creative understanding, making sure the solution supported our way of working.The result made a big difference for us. We now have a reliable, easy-to-use platform that saves time, improves coordination, and helps us deliver better experiences for our clients. Working with Techstack company felt effortless - they were consistent, thoughtful, and committed to getting every detail right.
Software Development Review from Sidharth Dugar
We worked with Techstack to develop a digital platform that could support the financial and operational needs of our growing client base. Our vision was to create an integrated web solution that would bring together financial management, client communication, and digital infrastructure into one cohesive system. The goal was to give small and medium-sized businesses the same level of data visibility and workflow efficiency that large enterprises enjoy but through a user-friendly, scalable product.Techstack company quickly understood what we were trying to achieve. They built a modern web application architecture that unified financial analytics, project tracking, and CRM capabilities while ensuring top performance and security. Their team handled everything from backend development to UX optimization.What stood out most was how seamlessly Techstacks team balanced precision with flexibility. We had tight deadlines and evolving priorities, yet they consistently delivered on time without compromising quality. Communication was clear and proactive, we always felt aligned, even as the project evolved.The result was a platform that allowed us to operate more efficiently and deliver a better experience to our clients. It centralized our data, reduced manual processes, and helped us scale faster without adding unnecessary complexity. Techstack brought strong technical expertise and a genuine sense of ownership to the project, turning a challenging concept into a powerful business tool that continues to grow with us.
Web Development Review from Sri Sharma
When we brought Techstack on board, our analytics subsystem was at a breaking point. Performance issues, data inconsistencies, and outdated architecture were slowing us down and creating friction for both our internal teams and end users. Given the scale of our platform: millions of customer interactions generating terabytes of data daily we needed a partner who could not only fix the flaws but also future-proof the entire system.Techstack company took on the challenge with impressive precision. Their team started with a deep audit that revealed critical weaknesses in our existing infrastructure. From there, they restructured the backend, optimized performance, and built a reliable synchronization flow between our internal tools and third-party CRMs. Techstack introduced a new architecture powered by Amazon Redshift and an asynchronous analytics engine, which dramatically reduced data retrieval times and improved responsiveness across the board.What we appreciated most was how seamlessly they integrated into our process. They communicated clearly, delivered consistently, and made sure every change was fully tested and stable before rollout. The results were: system reliability improved, performance bottlenecks disappeared, and we could finally handle large-scale data processing without worrying about stability. Techstack company combined strong engineering skills with a genuine commitment to understanding our goals. They helped us rebuild confidence in our platforms ability to scale and perform at its best.
Mercury Development offers best in class Software Development, Mobile Apps, UI/UX, QA, ML, Data Science and more. With over 23 years in business, and over 400 employees, Mercury has the experience required to deliver your project on time and on budget...
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Software Development Review from Anonymous
We started off with some discovery sessions and a beta demo, then went through a few rounds of tweaks where they adjusted both how it worked and how it looked based on what we asked for. The whole build went pretty smooth. Gotta say, Mikhail, the PM, was great to deal with. Super easy to talk to and somehow turned what I wanted into clear technical stuff without me having to overexplain.
Mobile App Development Review from Anonymous
The whole point of this project was to clean up the brand’s online rep, get more good reviews out there, and just boost how we show up online. What stuck with me was how sharp the Mercury team is- they really know their stuff. Anytime I had a question, they had an answer or a fix ready. Super easy to lean on them.
Software Development Review from Matthew Kulig
Development provides software integration and mobile app development for turnkey retail platforms, ensuring up-to-date functionality and system cohesion by scaling from 2–10 resources as needed. The team’s precise task breakdowns, affordable price point, and proactive reporting strengthen the partnership.
Shinetech is a long-term software development partner for clients across the US, Australia, and Europe specializing in AI-enhanced dedicated developers, legacy modernization, and custom software development...
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Web Development Review from Rei Carvalho
The professional relationship with Shinetech has been beyond our expectations. I would like to congratulate you on your levels of customer service, as your support team is always quick to respond, highly competent and extremely courteous. We have shared a wonderful experience working their highly competent and flexible team who has always been alongside during critical deliveries and implementations.
Mobile App Development Review from Tim Schneider
Team at Shinetech has been diligent in understanding our requirements, which are both many and complex. They are involved in the design of the application as well as its development and along the way have proposed some innovative solutions to difficult problems. They have been excellent at selecting the team members and managing the work that they do. Their communications and English language skills are excellent and they have consistently shown unwavering commitment to getting a great job done.
Software Development Review from Taco Jansen
We have worked with Shinetech for almost two years, and we are constantly impressed by the team's speed and the quality of the work. Shinetech is extremely collaborative and communicative, and the deliverables are always on time and in line with our budget.
Linkitsoft is a custom software development company offering vending machine software, kiosk software, touchscreen solutions, mobile apps, web development, AI, UI/UX, backend development, and integrations...
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Mobile App Development Review from Lucinda Koza
The Linkitsoft team demonstrated exceptional professionalism, understanding, and helpfulness throughout the project. Their commitment to industry best practices ensured a successful app development process. The final product was outstanding, exceeding our expectations. The team's seamless project management, timely communication, and reliability were key factors in the successful partnership. Their dedication to going above and beyond made them a valuable asset to our project.
Mobile App Development Review from Bill Schuitema
Linkitsoft's expertise in developing a seamless travel and tourism app that has been pivotal to our business growth. Their profound grasp of user experience and the travel industry has led to a product that perfectly connects with our target audience. The app's intuitive design and comprehensive features have greatly improved our customer engagement and bookings. We are extremely pleased with the results of their work.
Mobile App Development Review from Bruno Cecatto
Linkitsofts technical expertise was outstanding in bringing our software app vision to life. Their team delivered a top-tier mobile app that not only met but surpassed our expectations. The apps seamless integration and user-friendly interface have been key drivers of our success. Linkitsofts commitment to open communication and timely delivery made them an invaluable partner in building the best app for us.
Product engineering partner for USA startups and enterprise teams (incl. NASDAQ/NYSE). Build web & mobile apps ~30% faster at ~40% lower cost. ISO 9001:2015 + ISO/IEC 27001:2022 certified for quality and security. +1 (505) 464-6100...
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Software Development Review from Gary Sevier
I work as a Senior Structural Designer at Bechtel Mining and Metals. Our team designs large mining plants and heavy equipment setups across remote locations worldwide. We needed a custom web solution to help our site engineers view heavy 3D structural designs directly in a browser without using expensive CAD software on field laptops.We selected aTeam Soft Solutions because they showed a clear understanding of complex data handling from our very first meeting. They built a custom web platform that takes heavy structural files and converts them into fast interactive 3D models. Their technical team used Python and Node.js for the backend and React with WebGL for the front end, all linked securely through AWS cloud storage.Their project performance was top notch. The developers were really great in understanding requirement details right from day one, so we never had to repeat complex technical specifications. Communication stayed simple and clear throughout the project. They tracked every task carefully and hit every single deadline, achieving full delivery on time as per contract without any cost overruns or schedule delays.The final software dropped file loading times by more than 60 percent for our site managers. Field staff can now check plant structures and run design reviews on basic laptops right at the mine site. Their ability to translate heavy engineering demands into simple software tools made this project a total success.
Software Development Review from Janitha Yasassri
Working with ATeam Soft Solutions was a very good experience for our hospital. We needed to update our clinical systems and make it easier for our medical staff to find patient records. They helped us build an AI system that connects straight into our existing hospital databases without breaking anything. From start to finish, their team was organized and easy to talk to. They set up weekly meetings to show us their progress and explain how everything worked. They listened carefully to what our doctors and nurses needed, and they built software that was simple for our staff to use. What impressed us most was how on time they were. Every deadline in our contract was met, and they finished the whole project on schedule. That is pretty rare for big software projects. On top of that, they were very careful with patient privacy and made sure our daily hospital work was never interrupted while they installed the new system. When we found a few minor bugs during testing near the end, their developers fixed them right away without complaining or slowing down our timeline. They were always polite, smart, and ready to help. Overall, ATeam Soft Solutions delivered great value for our budget. They built a reliable system that saves our doctors time every single day
AI Development Review from Julien Plouzeau
We partnered with ATeam Soft Solutions to design and deploy an enterprise-grade Autonomous Investment Engine to transform our deal-sourcing, due diligence, and portfolio tracking workflows at Oraseya Capital. Facing significant manual overhead in evaluating early-stage opportunities, we needed a technical partner capable of moving beyond simple wrappers to engineer a multi-agent system tailored to venture capital operations. ATeam Soft Solutions demonstrated exceptional engineering depth throughout the 24-week project. Using LangGraph for stateful agent orchestration, they built a customized Critic-Agent architecture. This self-correcting reflection loop automatically audits and validates extracted financial metrics against raw source documents before saving data into Pinecone. They also implemented a dual-model LLM architecture: general synthesis tasks run via GPT-4o, while sensitive financial analysis is routed through locally hosted Llama 3 models with NVIDIA NeMo Guardrails enforcing data security. The outcomes exceeded our initial expectations. Initial due diligence review times dropped by 90 percentfrom 14 to 18 hours down to roughly 45 minutes per deckwhile financial data extraction accuracy reached 99.4 percent. The platform quadrupled our deal-sourcing capacity, allowing us to screen over 450 companies monthly with high internal team adoption. Their project management was disciplined, transparent, and structured. They kept us informed through weekly sprint demos and direct communication channels. When early stress testing highlighted a recursive loop in a complex document, their lead engineer immediately added max-iteration loop breakers and LangSmith monitoring to secure token usage and keep costs fully predictable. ATeam Soft Solutions combines strong domain understanding with mastery of modern AI frameworks. They delivered a high-performing system on schedule, and we continue to work with them for ongoing maintenance and future expansions.
We are the undisputed authority on Bluetooth BLE, IoT, and AI applications. Our Bluetooth and AI applications have proven to be very effective to clients across the United States and Europe. Call us for a free technical consultation and evaluation of your project...
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Translation Services Review from Robert Kriegsman
Quartus deleoped an enterprise system for me to help track and analyze information on various activities, involvong data ingestion and analysis, then presentation. Quartus Technology, Inc.'s reliability and innovative solutions stood out.
Mobile App Development Review from Laura Waniuk
During my tenure at Beaver Creek Resort Company I was tasked with building and launching a guest-facing app for the hundreds of thousands of visitors to Beaver Creek Mountain. I worked very closely with Quartus Technology and their team to meet the budget, the timeline and all the required features for the project. The app launched early! It's been an incredible success and the app has continued into phase 2 and 3 with added functions. I highly recommend Quartus Technology if you are in search of a quality app, strong development team and transparent pricing.
Mobile App Development Review from Chris Caputo, PMP
After looking at multiple vendors to build an app to provide information on municipalities we selected Quartus. The scope included the development of the app (including designs) and integration to a service that our development team created. Quartus was successful. They delivered in a timely, cost-efficient manner and were easy to work with. When we decided to have a second app created, we did not look elsewhere and stayed with Quartus. This app involved the development of a calculator to calculate and email title insurance premiums. Like our first app, Quartus had to develop the designs (they were able to leverage a portion of the work from our first app) and integrate to a different service that our development team created. Once again, Quartus delivered. These apps were for Android and iOS. They are a good partner.
AI is easy. Systems are hard. We build systems...
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Web Development Review from Undisclosed
Aristek Systems developed, tested, and released a new website for an e-commerce development company. The team utilized Ruby on Rails, Elixir, Phoenix Framework, JavaScript, GraphQL, PostgreSQL, and AWS. Aristek Systems was able to deliver a fully functional software, much to the client's delight. The team was highly communicative, and internal stakeholders were particularly impressed with the vendor's professionalism and attention to detail.
Web Design Review from Undisclosed
Aristek Systems has redesigned the UI/UX of an existing educational digital platform. The team has refreshed the interface and added new features to deliver a more comprehensive experience for users. The client is satisfied with Aristek Systems' work and performance. The team delivers within the specified timeframe and manages the project seamlessly. Moreover, they stand out for their availability, problem-solving capabilities, and amazing work culture; they're easy to work with.
Software Development Review from Anonymous
I had the privilege of working with Ruslan and his team at Aristek for the past three years. It is hard to find that level of dedication in an offshore vendor/partner but Ruslan and the Aristek team deliver it. I would highly recommend Ruslan and Aristek to anyone needing an expert level partner in EdTech and SaaS platform development.
QOLOS (pronounced "koh-lohs") is a U.S.-based software development company, specializing in building custom, high-performance digital solutions for brands that demand innovation. From complex ERP integrations to e-commerce solutions - you are in good hands with QOLOS...
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WooCommerce Review from Amanda Viviano
We hired Qolos to build our local florist shop's website on WordPress and WooCommerce, and we couldn't be happier with the results. From the start, they took the time to understand our business and created a site that's not only beautiful but easy for our customers to browse and shop.The WooCommerce setup was seamless, our online ordering works exactly the way we needed it to. But what really sets Qolos apart is their ongoing monthly maintenance. We never have to worry about updates, security, or technical issues because they stay on top of everything. Any time we've had a question or a small change request, they've been responsive and professional.As a small local business, it means a lot to work with a team that genuinely cares about keeping our site running smoothly. Qolos has been a true partner, not just a vendor. Highly recommend them to any local business looking for reliable web design and maintenance!
Web Development Review from Sanjay Singh
I kept getting negative reviews about my app for technical glitches, heating issues, functionality, loading time, crashing, and more bugs. So, I reached out to QOLOS after going through 2-3 renowned review platforms. I explained my app issue to the team, and they did tremendous work with their mobile testing solutions. Also, I wanted to build a website for my app. They created a feature-rich and seamless website.
Shopify Review from Sarah Nesheim
Working with QOLOS was the best decision I have made in regards to scaling my business. They are professional, so creative, they communicate every step of the way and their pricing is fair for the highest quality work. The designer of our logo and website did it well and I am so impressed and proud of the final product! the designer listened and knew exactly what I wanted which made the process so simple. Seriously could not recommend QOLOS more!
Seasia Infotech is a global AI-powered digital engineering company with 25+ years of experience delivering custom software, AI solutions, cloud applications, mobile apps, and enterprise platforms. We help businesses accelerate innovation, improve efficiency, and drive digital transformation...
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eCommerce Development Review from cornelia verden
This Company is AMAZING, they are very professional. We hired them to build my website, and they did an EXCELLENT job. They continuously communicated with me during the development phase. If you want a beautiful, well-designed, professional website that has optimum functionabilty, You must go with Seasia Infotech. You can always expect excellent quality services from the professionals at Seasia Infotech.
At SPEC INDIA, we are Empowering businesses with AI in the digital world. With more the 36+ years of experience in the tech space we have been delivering bespoke software solution that power businesses worldwide. Our commitment and assurance of quality makes us stand out in the market....
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Software Testing Review from Cas Diependaal
Through SPEC India we've hired a QA automation specialist who has helped us set up testing automation for our software. The service was professional, friendly and well executed. It was a smooth experience to hire a resource and assign it to the tasks we needed them to perform.
Software Development Review from Ron Eliot Dichter
Spec has been a good partner to work with for my project. They're responsive and nimble. They provide good feedback and creative suggestions for solving challenges and building the features. I've appreciated their collaboration while working on my software.
Dashboard Design Review from Keshav Lohiya
We have been very happy with the support we have received for the last 2 years. Spec India helps small businesses like ours to remain agile, competitive and stay at the forefront of technological innovation.
At Kaizen Softworks, were here to make your business thrive with custom software solutions. Our team is a blend of skilled designers, software engineers and scrum masters who are dedicated to transforming your business challenges and ideas into effective software solutions...
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Software Development Review from Mauricio Fleischer
Working with Kaizen has been an overall joy and I would highly recommend them to anybody starting or already maintaining a software project of any kind.
KITRUM is an engineering partner focused on building on top of live software products. We help them grow beyond their original design by modernizing architecture, adding new capabilities, and scaling systems without disrupting what already works...
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Software Development Review from Daniel Rondell
We are notably satisfied with the upshot. PMs and development team was very devoted to the tasks and encouraging. We had a stringent and fixed deadline. And we got it just in time! KitRUM helped us to create an entire software that absolutely meets our requirement. They had presented the system in a short-term after putting their hands on it. They also provide support after developing this software. We have a different project now and certainly will work with KitRUM again.
Software Development Review from Adelina Romanova
KitRUM expanded our team to shift software to a new platform. Using JavaScript and RESTful APIs, they improved interfaces and DevOps, and fixed bugs. The team has always been on time. Their ability to understand the business requirements and their communication was just perfect. I definitely will recommend KitRUM as a reliable partner.
Software Development Review from Daisy Skot
KitRUM made a variety of development services: conception, coding, and QA, which means almost a full software package for our company. We needed to develop a few tasks, for example, a desktop app for our store, a cloud app for administration and supervision, and a portable app for end customers. However, we had an in-house team, which is not enough for this project. So we had to find a dedicated team that could deliver all we needed. We found KitRUM as a top-notch software development company
Softeq is a versatile technology and Greentech company offering a wide range of services, including embedded system development, machine learning, digital transformation, hardware design, UX/UI design, and more...
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Software Development Review from Quan Gan
We collaborated with Softeq to develop an infrared emitting platform. Softeq provided software development and support services, streamlining our project. While our hardware technology was excellent, Softeq elevated our company's products with superb software development and implementation solutions. Working with Softeq was highly beneficial for us, as the agency managed our projects more efficiently due to exceptional project management and organized workflows.
Mobile App Development Review from Jeff Johnston
We hired Softeq for mobile app development services. Softeq developed a functional and user-friendly app, efficiently integrating productivity features like calendar, contacts, and task management. The agency organized regular meetings with our product management department, communicated effectively, and promptly resolved issues. Softeq's team worked diligently and provided valuable insights. We were satisfied with Softeq's services.
Software Development Review from Trent Gardner
We worked with Softeq for software redevelopment services to improve our company's proprietary software. Softeq updated the business platform, streamlining operations and enhancing the platform's user UI and functionality. This improvement aided our sales, job estimating, purchase orders, and administration efforts. Softeq's team was professional, attentive, and prompt in implementing feedback. The agency delivered high-quality work, impressing our company's internal stakeholders.
Timspark is a software development company delivering custom technology solutions through skilled, autonomous engineering teams. Our flexible delivery model helps clients solve complex challenges, accelerate development, and build reliable, scalable digital products...
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Software Development Review from Evelyn Sinclair
I had an incredibly positive experience with their services and the final product they delivered. It was a successful collaboration as I connected with investors who were impressed and interested in investing in the project. Throughout the process, they consistently provided solid and impressive work, earning them a five-star rating from me. Their work consistently showcased solid and impressive results, demonstrating their expertise and commitment to delivering excellence. There isn't anything specific that I would suggest for improvement. My experience with them was overwhelmingly positive, with no notable drawbacks or areas for enhancement.
Alt Digital Technologies is a B2B service provider servicing end to end development, DevOps, Testing and e-commerce solutions for your business. We work efficiently in ATG, Java, React, Salesforce, WordPress and majorly all technologies...
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Web Development Review from Undisclosed
It is a feeling of both ecstasy and pride to know that all these years of hard work from our team has delivered a website which is delivering a powerful experience designed to meet the needs of our distribution customers. I am proud of our team's effort and also to be a part of this team.
Software Development Review from Undisclosed
You guys are one of the most wonderful people to work with. And most supportive, hardest working. We couldn’t have done what we’ve done in the past 2+ years without this team. Don’t ever forget it your value. You’re absolutely brilliant. It’s been such an honor to be your PO.
Mobile App Development Review from Undisclosed
I preferred Alt Digital Technologies over big companies because of the quality and the stability of their people.
Light IT provides the following services on the global tech market:- consulting clients on IT products and services- custom product and software development- provision of resources at the clients' request- software delivery and maintenance- software quality assurance...
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Mobile App Development Review from Andrew Adams
Light IT helped to develop an MVP for our AWS cloud-based SaaS cyber security platform, specifically on iOS. This team did not just do the bare minimum. They thought about the project and how it could be done not only in an efficient manner but what was best for the end-users.
Mobile App Development Review from Anton Gotsulia
We wanted to rebuild our mobile app on React Native and make some functionality updates. Thanks to Light IT’s experience and professionalism, we managed to solve many issues and prevent problems.
Software Development Review from David Yudovich
Our goal was to build a scalable, robust solution based on cloud computing. The software should be able to offer multiple complex services online, including e-commerce and high-performance computing. So we chose Light IT to do the job. 3 words to describe the cooperation process would be flexibility, quality, and responsiveness. We always felt that the project team was working on our behalf, and our tight collaboration produced excellent results.
Quokka Labs is an end-to-end AI-native engineering and solutions company helping startups, enterprises, and government institutions build, modernize, and scale intelligent digital products...
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Mobile App Development Review from Karan Magu
It's been an absolute pleasure to work with Sunny and his team at Quokka these past couple of years on myweb - an interface for organizing personal digital activity. Couldn't have chosen a better technical partner to bring my vision to life. This compact yet extremely capable team are the ones who transformed a mere sketch on a piece of paper into a proper and performant software, which I would say works as well as any global software you may have installed on your device (often created by large venture funded team of engineers). I found Sunny after having a poor experience with the quality produced by a previous software development firm, and was instantly convinced by his professionalism and intelligence. I've worked with the team across multiple domains - whether it's iOS Swift and working on a complex share extension for iphones, or Kotlin for Android, or backend work for syncing data, or making a desktop client, even UI/UX design - and would wholeheartedly recommend them to anyone looking for a transparent, trustworthy and capable young team in the realm of software dev. One thing I really appreciated is the regular updates and check ins from their end at each step of the journey, which keeps things clear and transparent.
ZAPTA Technologies is a global technology partner helping startups and SMEs build, scale, and modernize software products through digital and AI innovation. We deliver secure, performance-driven platforms designed to grow with the business...
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Software Development Review from Muhammad Asad Naeem
Zapta Technologies delivered a high-quality software solution tailored to our needs. Their team was professional, met all deadlines, and communicated clearly throughout the project. Highly recommended for anyone seeking reliable and efficient software development services.
Web Design Review from Lacey Preach
We couldn't be happier with the design results from ZAPTA! Great communication and quick turnaround time. They know what they are doing when it comes to design and industry standards. We have received great feedback from customers and stakeholders on our App design. I highly recommend using ZAPTA for your Design and Development needs!
Web Design Review from Dan Cazacu
I was very pleased by the professionalism of ZAPTA's team members. Their attention to detail and business logic solutions were top-notch. They responded quickly and professionally. Overall, a highly recommended company for anyone needing expert business solutions.
Liquid Technologies automates enterprise operations using AI, custom software, and data engineering. We work with healthcare, manufacturing, logistics, and regulated industries to replace manual workflows with intelligent automation...
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IT Compliance Solution Review from Nusrat Jahan Trissa
Im very happy with the results Liquid Technologies delivered! They provided full-scale IT support and optimized our website for performance, security, and scalability. The site now loads incredibly fast, is beautifully designed, and much easier to manage from the backend.Timothy was highly responsive throughout the entire processhe listened to our feedback, explained technical concepts clearly, and made sure every update aligned with our business goals. A huge thanks to CEO Hadi Tabani and the entire Liquid Technologies team for their professionalism, technical expertise, and dedication. It was a smooth and successful collaboration from start to finish!
abdul wasey's Review Sourced from Google
Their expert team is dedicated, responsive, and consistently exceeds expectations. Highly recommend for anyone seeking cutting-edge technology development services.
Allen Parker's Review Sourced from Google
Collaborating with Liquid Technologies proved to be a streamlined and trouble-free experience. Their skilled team maintained constant communication with us throughout the project, ensuring that the entire process unfolded seamlessly and without any hitches.
Intellectsoft builds custom software, AI solutions, and dedicated engineering teams for enterprises and fast-growing businesses across the US and UK...
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Software Development Review from Harshal Chhajed
They have highly skilled support staff for faster resolution which leads to customer satisfaction. Also, it has many features including IoT and blockchain apart from regular software development. If there are any changes in the scope of the project at a later stage, it can prove quite costly and also difficult to accommodate last-minute client-side scripting changes. They are versatile, cost-effective, and offer quick customer support. They offer a very customized software development tool where business needs can be addressed. It is very cost-optimized and hence can help generate good returns for business investment.
Software Development Review from Vitaly Dyachenko
Intellectsoft provided a great partnership by delivering quality services and working fast. They helped us to accomplish all the clients' projects on time. The team communicated transparently and showed [] great dedication. They were an ideal partner! (Verified via email)
Scalo is a software and AI development company based in Poland. We build custom software and help companies adopt AI through consulting and dedicated AI engineering teams. Client reviews point to one thing: dependable delivery, backed by almost 20 years in the market and 750+ completed projects...
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Software Development Review from Artur Bukowski
The collaboration with Scalo is quite valuable to us. They enhance our development capabilities. Most of the people from Scalo have been working with us for a long time, which indicates that we’re satisfied with the collaboration.
Staff Augmentation Review from Katarzyna Wieczorek
We know that Scalo is a good partner for companies which want to scale up their software development teams fast. They got great understanding of business needs, deliver experienced specialists, and know-how to build IT team in no time.
CHI Software is a technology solution provider that offers a full set of software-based services from custom software development to maintenance & support. Our talented team is passionate about Generative AI, Cloud Computing, Data Engineering, and IoT. CHI's success comes from care of every client...
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Web Development Review from David Gornshtein
My company was looking for a development team to proceed with the development process. We needed to set up a service [that] allows our clients to monitor, control, and optimize their Cloud & SaaS spend. [The] CHI Software team delivered services and technologies we need[ed] to reach our financial goals. (Verified via email)
With over 20 years of industry experience, Gecko Dynamics is a trusted partner for startups and enterprises. Our team delivers end-to-end solutions using Java, Angular, Flutter, and AWS. From ideation to post-launch support, we're dedicated to driving progress for our clients across industries...
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Web Development Review from Tom Duke
Innovid praises Gecko Dynamics' responsive communication. It augments the capabilities of an existing development team and is a smooth collaborator. Future clients can expect a variety of available services. Gecko Dynamics meets all the requirements on time. The collaboration is easy to deal with and straightforward. It provided all the technical skills needed, which the client looks for in a vendor. (Verified via email)
Emergent Software is a full-stack technology solution provider specializing in the Microsoft ecosystem. We partner with our clients to modernize business operations with Microsoft-focused cloud transformation, custom software development, and data engineering...
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Web Development Review from Andrew Burkhart
I have been working with Emergent Software since January 2019 as our main website development and support service. They are professional, knowledgeable and flexible to our ever-changing needs. Emergent helped us seamlessly transition from our previous service and have been providing top-notch support since. From initial scope feedback and recommendations to collaborative build iterations to thorough QA, Emergent has been a solid partner and one that I recommend.
Rick Mueller's Review Sourced from Google
Our partnership with Emergent Software has been nothing short of amazing. Their attention to detail, communication philosphy, and technical expertise are second to none. The projects they have done to date, allow us to better deliver on our mission. We are looking forward to many more engagements to come.
Steve Molander's Review Sourced from Google
Oversight of our databases have always been a challenge. Finding the skillset to properly administer the systems is both difficult to find and high priced for a mid-sized organization. We reached out to Emergent to find out more about their virtual dba services. Their services sounded to be exactly what we needed. That was over 4 years ago. Since then we found Emergent to be a key partner in helping us in administration of our databases. Our systems are highly efficient, highly available and we feel secure knowing they are under the oversight of some amazingly skilled engineers.
AI-first custom software, AI and IT services firm in McLean, VA and North Bethesda, MD, serving enterprise and government. SBA-certified EDWOSB and WOSB, CAGE 9RX92. A senior Sthenos team is accountable on every engagement, and we build a free clickable prototype before you commit...
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Allie Braun's Review Sourced from Google
Sthenos Technologies delivered excellent service with a highly professional and responsive team throughout the process.Their expertise and commitment to quality made the experience smooth, efficient, and highly satisfactory.
Williams James's Review Sourced from Google
Sthenos Technologies has built a custom frontend solution for an out-of-the-box backend solution. The backend is separate from the work that Sthenos has done.
Daniel Smith's Review Sourced from Google
The service launched and was able to meet SLAs/KPIs set out by us and our client. This included uptime, time to process new schedules, ability for tutors to find and book lessons and fill rate of those lessons (for tutors).
Actively identify tech & product opportunities to transform your ideas into engaging and accessible digital experiences.Our clients from Africa, US or EU enjoy great returns such as 2M monthly users or 10k downloads in the first 10 days of launching their app...
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Edvantis is a data, AI & software engineering partner with over 400 talented professionals operating in Central & Eastern Europe and the USA...
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Honeycomb Software is an IT Consulting and Software development company serving clients since March 2015...
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Saritasa is a leading custom software development company offering a wide range of services, including mobile development, web development, AR/VR development, IoT solutions, DevOps, custom development, and database development...
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Software Development Review from Ira Flood
TIPMed has partnered with Saritasa for over 14 years to help us with our development work. With their support, uSummit, our flagship product, has grown to be one of the leading events management platforms in the pharmaceuticals space. I cant speak higher of the work that this team has developed for us and sincerely recommend them.
Michael Johnson's Review Sourced from Google
Saritasa provided enhanced versions on my designs, which were beautiful. Though it’s been nine years since I’ve worked on the company, I found their work to be top notch, providing truly creative insights to improve my product.
Johnny Binnquist's Review Sourced from Google
Great company to work with. They are incredibly responsive and attentive to my teams needs. Probably the easiest business I have done in a while. Can not complain as everyone I interacted with was almost too nice. I would highly recommend.
Coreteka is an IT services provider with R&D offices in Eastern Europe and 8 years of experience in custom software development. We have offices in Irvine (the USA), Wroclaw (Poland), and Kyiv (Ukraine)...
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Captus Technologies offers professional services since 11+ years for more than 2300+ website developed. We have worked variety of industries such as Retail, Real Estate, Logistics, Healthcare and many more. We have Developed 1100+ Brands across the world. Our certified mobile app developers is committed to...
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People10 is a global AI-powered engineering company helping enterprises modernize, innovate, and grow through intelligent technology solutions...
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Gaganasri's Review Sourced from Google
A good company that provides a supportive work culture, which helps employees grow and boost their professional careers.
Aniket Shinde's Review Sourced from Google
I've had an incredible experience with People10—hands down the best team I've worked with. Their expertise and commitment truly stand out!
Founded in 2013, Mind Studios is a custom software development company working with growth-stage and mid-market businesses across the US, UK, Europe, and MENA...
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Spiral Mantra is one of the leading technology solution providers with deep expertise in data engineering and advanced analytics. We started in 2021 and are grateful to have served over 150 clients across startups, and global enterprises from our registered offices in USA & India...
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Data Science Review from Meenakshi Bilwal
The solution provided by the Spiral Mantra team involved creating a data identity to identify and extract the right data when needed using DDL; this made it easier for the data team to extract data much faster when needed.The solution improved decision making with reports that are formed with processed data. This has not only improved their overall loan management system but has created a sustainable and future-proof pipeline of data.
vishal singh's Review Sourced from Google
I am looking for a job opportunity as a data analyst role where I apply for a job interview as a data analyst role in this organisation
Md Abuzar's Review Sourced from Google
i have been working with Spiral Mantra for more than 1 year, and the overall experience is great.
CTGs comprehensive solutions help clients across all industries address the business, technology, and operational challenges that are escalating as the pace of change gets faster and the stakes get higher. Our solutions leverage the latest tools and methodologies to allow for greater technology and...
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Atomic Object is a top-rated custom software design and development consultancy. Our co-located, U.S.-based team works with executives to improve their bottom line by delivering new products, enhancing existing products, modernizing legacy products, and integrating AI into their software systems...
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Consumer IoT Review from Mason Ferlic
GripFusion is a sports technology startup developing Tactile Intelligence. Our flagship product, the ForceBall, is the first grip-sensing baseball. We approached Atomic Object with the challenge to build a React Native iPad app to connect with the embedded electronics over BLE and visualize sensor data in real time. Atomic stepped up to the plate and hit a home run! They took early R&D code and we're able to successfully navigate IoT challenges, large amounts of sensor data, and seamless UX. The developer team worked closely with our technical staff to incorporate evolving firmware and hardware improvements. The design team did hundreds of hours of user discovery and product feedback to ensure we deliver a cutting-edge experience. Overall, Atomic has the breadth and depth to tackle complex hardware-software systems.
Daniel Schoonmaker's Review Sourced from Google
Atomic Object is one of the best companies across the board in Michigan. Fantastic maker of custom-software solution and a model of organizational thought leadership. I've been working with the company in some capacity for nearly 20 years and learn something new in every interaction I've ever had.More than that, they are a value-centered organization that you will be proud to partner with. They've built this company the right way. An impactful community leader and employer of choice.
Rik Cordero's Review Sourced from Google
As a freelance Video Producer, I recently wrapped up another fun project with the folks over at Atomic Object, and I've gotta say, it was an experience worth mentioning. Collaborating with their marketing team on a series of authentic and engaging customer-facing and internal videos was nothing short of fantastic. Their seamless planning and logistics during pre-production, coupled with easy going personalities during production, made the process a breeze. Post-production brought our collective vision to life with meticulous story editing and videos that reflect their unique culture and values. Their team's dedication to kindness, empathy, and diversity made this collaboration not just successful, but truly enjoyable.
Tech partners for startups and enterprises. AI hiring, product dev, and real growth no hype, just results...
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Perimattic is a technology partner specializing in AI development, software development, cloud solutions, DevOps, MLOps, and enterprise technology services. The company helps startups, growing businesses, and enterprises build secure, scalable, and high-performance digital solutions...
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UI/UX Design Review from Neeraj Mishra
The dashboard Perimattic delivered is minimal, well-structured, and very user-friendly. Small touches like the layout, flow, and clarity of controls make a big difference. Great work by Gaurav and his team.
At Depth Search, we serve as your guiding force in the dynamic and ever-evolving digital landscape. Driven by a commitment to precision and innovation, we delve into the intricacies to create exceptional websites and robust mobile apps that not only fulfill your requirements but surpass your expectations. Our...
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Hi there! We were expecting you!We are a nearshore software services and consulting company that partners with forward-thinking companies to achieve their business goals and accelerate growth in the digital age.We are seen as a lifelong partner for tackling any tech challenge...
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Hernán Garro's Review Sourced from Google
Excellent working place. People is the most valuable characteristic. Interest in continuous improvement is not less remarkable. It is a comfortable place to work with plenty of amenities.
Andres Sierra's Review Sourced from Google
Test your software before taking it to production, do it with what you are developing or with what you are buying.
At Supercharge, we partner with our clients to turn disruption into opportunity by creating transformative digital solutions. With over 200 digital experts across New York, London, Amsterdam, Helsinki, Vienna, and Budapest, we develop digital strategies, design delightful interfaces, and build robust software...
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Oak Street Technologies is dedicated to empowering businesses by providing comprehensive IT, HR, BPO, accounting, and strategic digital marketing services. Our aim is to enhance operational efficiency and foster sustainable growth through a holistic approach...
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Software Development Review from Josin Mohammad
We partnered with Oak Street Technologies to develop custom software for our business operations. Their team took the time to understand our specific needs, resulting in a solution that significantly streamlined our processes. The software is intuitive, reliable, and scales perfectly as our business grows. Their professionalism and attention to detail were exceptional, and we couldn't be more satisfied with the outcome.
Artezio is a well-established US-based custom development firm that offers a wide range of IT services to businesses worldwide...
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NineTwoThree AI Studio is a Boston-based AI agency that builds secure, production-grade AI and ML solutions with measurable ROI. Founded in 2012, our Ph.D.-level engineers and certified product managers have delivered 150+ projects for enterprise brands and startups alike...
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NEKLO is an international custom software development partner. Since 2008, weve specialized in building and scaling digital products for high-stakes industries, including Healthcare, Fintech, Energy, and Construction...
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ImpactQA specializes in Robotic Process Automation (RPA) services to enhance business process automation. We leverage AI, RPA tools, and next-gen automation procedures to optimize your operations and reduce time-to-market...
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They help businesses reduce release risks, enhance user experience, and strengthen security posture by ensuring that the finished solution meets industry and business-specific standards.
In fact, research found that fixing bugs before product release results in 6.5x less cost than resolving the issue after launch.
Moreover, automating load and performance tests can accelerate the regression testing timeline by up to 90%.
Gartner’s study also found that the top reasons that organizations use automated testing are to improve product quality (60%), accelerate deployment speed (58%), and enhance department agility (41%).
To choose the best US software testing company for your business, evaluate its expertise and experience against your requirements. Here are some steps to guide you:
Need help finding a US software testing company? Visit our Marketplace and submit your project brief. We’ll connect you with the most suitable companies — free of charge.
Before hiring a US software testing firm, consider asking these questions:
Selecting the right testing partner requires careful evaluation beyond surface-level factors.
Common mistakes include:
When asked about the most significant challenges to automated software testing deployment, struggles with implementation (36%), automation skill gaps (34%), and high upfront costs (34%) were among the most commonly reported.
Per the State of Testing Report, these are the most common metrics businesses are using to measure a software testing team’s effectiveness:
DesignRush sustains a directory of over 40,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:
Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.
Every agency is independently vetted before it can be listed or ranked
Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.
They provide a comprehensive range of services designed to validate and improve software quality through systematic evaluation and advanced tooling.
Core testing services include:
In addition to these services, software testing companies implement a mix of manual (often for exploratory and user experience-focused scenarios) and automated (repeatable checks throughout the development cycle for speed and consistency) testing models.
Software testing costs about 15%-25% of the development costs or 23% of the IT budget. In terms of hourly rates, US software testing companies charge an average of $100-$250 per hour, with more complex systems or specialized tests going beyond $300/hour.
The final rate will depend on solution complexity, testing coverage, quality requirements, project timeline, and current technical debt.
Here’s how much software testing costs as a percentage of the software development budget:
In practice, basic one-time testing projects, such as a website penetration test, cost approximately $5,000-$10,000.
On the other hand, continuously evolving software solutions that require regular comprehensive testing can fetch between $20,000 and $70,000+ per month.
Beyond project scope, complexity, and timeline, these are additional costs to consider when working with software testing agencies in the USA:
On average, software testing takes around 20%-40% of the total software development time. However, the final timeline will depend on infrastructure complexity, test scope and methodology, and quality requirements.
Here’s an approximate software testing timeframe based on the typical software project schedules:
| Full Release Schedule | Software Testing Timeframe | |
Small software builds | 12-24 weeks | 2-4 weeks |
| Mid-sized builds (e.g., Fully customized mobile apps) | 16-40 weeks | 3-4 months |
| Large builds (e.g., Multi-module platforms) | 36-144 weeks | 6-12 months |
Notably, software testing is often integrated into the software development lifecycle (SDLC). As such, it’s common to see QA and testing done in 1-2-week sprints rather than a separate stage altogether.
US software testing providers work with a wide range of industries, as all digital solutions need to be tested in some capacity. However, these are the sectors that quality assurance (QA) and testing experts work in based on the State of Testing Report 2025:
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