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.
The Apps Pro is a leading mobile app development company specializing in crafting bespoke applications with smart strategies, advanced technology, and user-friendly designs. They provide custom solutions for iOS, Android, and cross-platform apps, ensuring seamless functionality and engaging user exp...
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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.
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!
A boutique cyber security consultancy firm that specializes in application security, cloud security, DevSecOps, threat modelling with focus on small businesses and startups. Also, provide multiple unique solutions like CyberRISK4Board and cyber risk management consulting...
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Suresh Srinivasan's Review Sourced from Google
Cyberhaven security team has been a partner for Snapbizz to audit all our information security needs.They are agile, and understand the requirements of the organisation, accordingly based on the time and resources, provide the right solutions which can work in a phased manner. They were able to help us with defining the negotiables and non-negotiables which enabled us plan our infosec activities and hygiene and become a RBI guidelines compliant infosec organization since we cater to large banks.
Pell Software is a 100% US based company focused on building long term, authentic partnerships. We focus on learning about your specific business needs in order to find the best software solution that will help you scale your business...
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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.
In 2016, we founded Web Design Glory, a company specializing in website design projects. Over time, our expertise expanded to include app design and development projects, which we successfully delivered alongside our website projects. Building on this success, in 2018, we established a subsidiary venture "App...
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The Joseph Company is a trusted technology partner providing custom web development & IT services to businesses across St. Louis and Southern Illinois. Headquartered in Arnold, Missouri, we serve clients throughout the region with a commitment to excellence, responsiveness, and long-term partnership...
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Stella Oberkrom's Review Sourced from Google
I have worked with Sam, Jan, and the Joseph Company team for over 14 years and I could not be happier with their services!
Richard Rice's Review Sourced from Google
Our company provides software as a service to some of the largest transportation companies nationwide. For over 16 years TJCO has been our trusted go to software developer. TJCO support and response times go over and above expectations. We appreciate their professional approach and look forward to working with them again on our next development project.
Julio Mino's Review Sourced from Google
I ordered the DNC scrub they never delivered. I am still waiting for my refund. Ordered on a Saturday got an email stating " our offices are closed we will reopen bla bla bla" After a few days of hassle they decided to refund however so far the money did not show up in my credit card. I don't recommend doing business with this company.
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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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.
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.
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)
The Demski Group is a full-stack mobile and web development firm that creates beautiful, engaging, state-of-the-art applications and designs to help businesses grow and succeed...
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Jonathan Adam Tucker's Review Sourced from Google
I have been working with The Demski Group for the last two years. The Demski Group recently completed a comprehensive upgrade to a client website. This upgrade involved multiple apps and custom code to accomplish. The Demski Group has the expertise and open communication required to execute a business owners or marketers vision for a website.
Laurel Barnes's Review Sourced from Google
I had a great experience working with Andrew on a client project involving an Angular website. He jumped in to make some important updates and got the contact form up and running smoothly. Andrew was extremely responsive, knowledgeable, and easy to work with throughout the entire process. Highly recommend!
Mickey Rowe's Review Sourced from Google
We spoke to a few different companies as we set out to find someone to create a website/database application to augment our desktop software. We chose The Demski Group in part because we found them very easy to talk to in our interview. That first impression stuck as we have a great relationship with them now. We are currently planning to farm out another project and are not even considering looking for anyone else to take it on.
IT teams and business leaders are often at odds. This is in large part because technologists focus on technology rather than the underlying business issue. This company was founded to bridge that gap and to allow business owners the ability to fully leverage their tech stack. We offer near shore resources...
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Povio is a company that is based in San Francisco and specializes in designing and developing digital products that make a positive impact. With over 1000 successful projects delivered and a team of over 200 skilled professionals, we have collaborated with multinational companies like VW, unicorns such as...
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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.
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)
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.
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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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.
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.
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.
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
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)
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.
Scaling logistics software delivery through deep industry expertise, AI-assisted development, and scalable delivery capacity. We build and modernize custom systems for logistics, supply chain, and transportation operations, helping clients improve efficiency and successfully deliver medium and large...
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Beyond Key is a global IT Software Development Company offering consulting, technology, and outsourcing solutions and catering to clients in the United States, Australia, UK, Germany, MENA and South Asian countries. We have marked a global presence in USA with our offices in Lafayette and Chicago...
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TechQuarter is a custom software development company helping businesses accelerate growth through tailored digital solutions. Since 2014, we've partnered with startups and enterprises across finance, solar, healthcare, and mobility to deliver web and mobile apps, AI/ML systems, cloud infrastructure, and QA...
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Nerdbug is a world-class offshore software development company that caters to businesses across various industries and growth stages, with precision and a passion for excellence. Contact us for cost-effective and timely delivery of AI & Ml software solutions, Web & Mobile app development, Custom enterprise...
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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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Netquall is a global IT solutions and technology services company specializing in web design and development, web applications, custom software development, graphic design, digital marketing, and professional IT training. The company emphasizes delivering quality solutions within deadlines while maintaining...
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STS Software is a leading software development company in US, delivering innovative, scalable, and cost-effective technology solutions to businesses worldwide. With a focus on quality, agility, and customer success, we specialize in web, mobile, and enterprise software development tailored to meet diverse...
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Mindera Software Craft specializes in crafting robust IoT solutions through high-performance, scalable software systems. From product development and performance testing to technology consultancy, we provide end-to-end services tailored to your needs...
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Empower your business with Al-driven software solutions and cutting-edge digital transformation strategies...
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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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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.
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.
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.
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.
Solutions Wave, a leading software development firm, is committed to offering innovative, customized solutions that improve business operations. Our specialty is customizing and executing leading CRM systems, such as SugarCRM, Salesforce, Microsoft Dynamics, and Odoo, to your businesss specific needs...
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SrinSoft Technologies is a global IT consulting firm focused on IBM i (AS/400) modernization and enterprise integration for mid-to-large organizations. Founded in 2005, the company helps manufacturing, logistics, retail, and finance organizations drive enterprise modernization and digital transformation...
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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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TPLEX is a software outsourcing company. We provide companies with top tech talent and product development expertise...
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IBC Mobile, as a leading software development company, has been transforming businesses with innovation-led services. Our mission is to not only develop software but to build dynamic digital experiences that engage, inspire, and empower users. Our software solutions are designed to redefine industry standards...
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Honeycomb Software is an IT Consulting and Software development company serving clients since March 2015...
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Zallpy stands as one of the fastest growing Software Outsourcing and Staff Augmentation nearshore companies, strategically positioned nearshore to provide cutting-edge, scalable IT squads to Startups and Fortune 500 corporations across North America and Europe...
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Yasmin Fazenda's Review Sourced from Google
Excelente estrutura e atendimento no Zallpy Hub! Utilizamos o auditório para palestra e as salas privadas para mentoria, com total conforto e suporte da equipe. Ambiente moderno e ideal para eventos corporativos e encontros estratégicos.
Gabriela Pecker's Review Sourced from Google
Zallpy,Um otimo ambiente para trabalho, salas amplas , ambientes bem climatizados e com opção de estacionamento no local, vale a pena conferir.
Matheus Nietto's Review Sourced from Google
Um espaço muito acolhedor, bem estruturado e excelente para reuniôes!Ótima recepção e curadoria!
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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Kevych Solutions isn`t just a software development team - we`re your partners in creating innovative, high-quality digital solutions that truly make an impact...
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Mobile App Development Review from Vasco Rouw
Weve been working with Kevych Solutions full-time for over a year, and the experience has been excellent. They handle the complete end-to-end development of our AI-powered mobile apps, including UI/UX, frontend and backend development, AI integrations, infrastructure, deployment, and ongoing support.What stands out most is the extremely high level of their technical expertise and execution quality. They actively use AI and modern development workflows to maximize efficiency and deliver results quickly. The team is highly responsive, proactive, and always goes the extra mile to meet deadlines.Since working together, we scaled from 0 to over 100,000 subscribers in just 8 months, and our apps are now generating more than $1M in monthly revenue. Whenever challenges came up, we solved them together efficiently, and Kevych Solutions continuously adapted and grew alongside our projects.We highly recommend them to anyone looking for a reliable, high-level mobile app development partner.
Mobile App Development Review from Alex Kayaian
Kevych was amazing to work with, and an integral part of our team. They delivered on time, with high quality, and consistent communication. You can't ask for a better partner when developing a project.
Mobile App Development Review from Lucas Chatham
I had an excellent experience working with this engineering firm to build a React Native app. Oleg and Ihor were exceptional software engineerstheir technical skills were top-notch, and they consistently delivered clean, well-structured code on time.What really set this team apart was Volodymyr, their CTO. He was incredibly hands-on, maintaining clear and frequent communication throughout the project. He was always responsive and proactive in managing the work, which made the entire process smooth and stress-free.The team was professional, reliable, and genuinely committed to quality. They understood my requirements and provided valuable input that improved the final product. Highly recommend this firm for anyone seeking skilled developers and excellent project management!
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.
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.
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:
Rated 4.8 on Google and 4.7 on Trustpilot, DesignRush Agency Directory is a reliable resource for finding software testing companies in the United States. We owe this to our executive selection team, which follows a strict screening process when featuring agencies on the platform, assessing key performance indicators, like portfolio, client reviews, and industry reputation.
Learn more about DesignRush Agency Ranking Methodology.
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.
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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