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.
NextGen Invent is a leading IT and AI services company specializing in AI, generative AI, computer vision, automation, and data analytics. Serving industries like healthcare, finance, supply chain, and manufacturing, the company has created 500+ AI models, developed over 100 software products, and e...
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Etech All is a leading software development company specializing in creative web design and robust web development solutions. We help businesses build a powerful online presence through innovative, user-focused, and results-driven digital experiences. Our expert team delivers customized, high-quality...
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Stellixsoft is a 50-person enterprise software development company specializing in IoT platform development, legacy application modernization, and complex multi-tenant systems...
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DevGinix is a software development company that helps businesses build, scale, and optimize digital products through custom software, web development, mobile applications, cloud solutions, and digital transformation services. With a team of development professionals and experience across industries such as...
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We help midsize to enterprise organizations stay secure with manual penetration testing and any company needing compliance-driven penetration testing for PCI DSS, HIPAA, SOC 2, CMMC, or similar frameworks...
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Sigma Design integrates design, engineering, and manufacturing capabilities under one roof. That co-location enables rapid prototyping, rigorous testing, and quality assurance in one place, lets us own a significant portion of the supply chain internally, and produces quick feedback loops and streamlined...
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At MoreBytes, we don't just build websites, we craft digital powerhouses that drive success. Our full spectrum of services includes custom web design and development, conversion-focused SEO strategies, real-time business dashboards, and intelligent automation bots...
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The Inventive Group is a collection of companies with a mission to "Change people's lives with technology". We offer enterprise-scale software and product development services that allow organizations to innovate quickly and modernize their brand...
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Internet Soft, an IT company excels in providing state-of-the-art solutions. Our offerings include Digital Transformation, AI/ML, IoT, Banking, and Blockchain software solutions, customized to serve both B2B and B2C customers...
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Techsila LLC, led by an experienced CEO with 18+ years in software development, stands out for its innovation, comprehensive services, global reach, and client-centricity. We offer cutting-edge solutions spanning web and mobile app development, AI, and more. Our staffing solutions provide access to top...
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HiveB2X is a leading expert in custom software applications & implementations, specializing in tailored solutions for B2B companies. Focused on seamless integrations, personalized storefronts, & optimized functionality, empowering businesses to elevate their online presence & streamline operations...
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MTechZilla is a custom software development company helping growing companies and product teams across the US and EU to build software products or scale engineering capacity. Senior, pre-vetted developers fully aligned to your timezone. AWS Partner with 40+ products delivered...
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We are a full-service digital agency focused on helping businesses grow through innovation, creativity, and technology. From strategy to implementation, we work closely with our clients to deliver measurable results and long-term success in the digital world...
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Vitek Technology LLC is a leading group of technology experts specializing in delivering innovative SaaS solutions, comprehensive project management, and strategic consulting services. Our expertise also extends to encompassing top-tier Web and App design, seamless integration solutions, and reliable hosting...
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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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Dive into Apptonic.io! We specialize in crafting tailored solutions for Android, iOS, Wearables, Cross-Platform projects, and even Game Development. Whether you're dreaming up the next big app or need a sleek solution for your business, Apptonic.io is here to turn your ideas into reality...
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We empower start-ups and mid-sized enterprises worldwide, crafting and refining their dream projects with cutting-edge technology. Our hallmark lies in Ideation and Innovation, the driving forces behind each successful Intelligent Application...
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Software development agency based in Seattle, Washington, providing a personal touch for small business owners. We help with Custom Software Development, Mobile App Development, Web Development, Data Engineering, UI/UX Design, and IT Consulting...
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InfoSwift Corp is a technology consulting and software development company with over 15 years of experience serving clients across the United States. The company specializes in next-generation technologies, data solutions, artificial intelligence, and enterprise software development...
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At Zeta-V, every engagement is built on collaboration, innovation, and long-term partnerships. We are committed to helping our clients transform ideas into practical, high-impact digital solutions that drive sustainable growth and lasting business value. Our expertise spans digital transformation...
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Opus Technologies is a trusted engineering partner to payment providers, banks and fintechs navigating change in a real-time, digital-first world. We specialize in consulting, engineering, and AI to help modernize payment systems, enable real-time processing, secure transactions, and facilitate seamless...
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With a global presence in New York, Dubai, and Kyiv, RFO Solutions stands as a premier agent of innovation in the tech world. Our spectrum of offerings includes tailored software development, expert team augmentation, and insightful consulting services, all designed to empower your digital journey.We...
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Outpost4 is a multimedia design studio that builds apps, provides QA consulting, and design support for your brand. We build games and apps that surprise and delight. We have an eye for quality and a disciplined approach to design. We don't believe in shortcuts or AI, we are artisans and we have a...
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At Kreitech, we specialize in helping US companies turn their visions into reality by providing tailored software solutions and top-tier talent augmentation. Our mission is simple yet profound: to deliver high-quality software and staffing solutions that empower our clients to innovate, scale, and thrive in a...
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At Diginatives, we specialize in delivering cutting-edge technology solutions tailored to meet the unique needs of businesses across various industries. With expertise in Artificial Intelligence, Cybersecurity, Custom Software Development, and AWS services, our team of seasoned professionals is dedicated to...
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We provide top-quality custom software solutions and help tech companies scale up their teams...
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Dev Centre House Ireland is a leading software development company in Ireland, delivering bespoke AI, web, mobile, and blockchain solutions across tech. Our local team and 100+ engineers help Norwegian enterprises build scalable, cutting-edge digital products...
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Sunil Dhawan Consulting helps founders and businesses turn ideas into clear product plans, MVP roadmaps, and practical technology decisions. It offers structured guidance to help people build more clarity, confidence, and direction...
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Wizr AI helps enterprises build autonomous operations and accelerate software delivery using AI-powered automation and AI-driven engineering. Our platform enables organizations to deploy AI agents, assistants, and agentic workflows across customer support, ITSM, and finance. Combined with AI-powered product...
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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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Band Of Coders is a full service development shop with offices in Atlanta, Los Angeles, Milwaukee, and Nashville. We pride ourselves in providing our customers with the benefits of working with a global firm combined with the flexibility and personal touch of a locally run company...
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Web Design and Development Company...
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Cymbol Design, Inc. is a web & mobile design agency based in Indianapolis, Indiana. We design websites, prototypes, and complete digital products. Our mission is to partner with startups and development firms to create cutting-edge apps and technology that creates growth for your business...
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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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At Macgroup, we're your all-in-one IT agency specializing in branding, software development, product design, and digital marketing. Our mission is to deliver cutting-edge solutions that align with our clients' goals without compromising quality...
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DLYMI is a full-service, collaborative, human-centered design studio. We work with clients from vision through execution and release. We are your partner in creating thoughtful digital experiences that have a responsible impact on the world while delivering on business goals and customer value...
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CXDESIGNS is your reliable digital marketing partner for the past 2 years. With a dedicated team of 10, we specialize in serving the hospitality, retail, restaurant, and online ecommerce sectors. We're not just about web design and branding strategy, we're about aligning with your goals, researching your pain...
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At Accendum, we are more than a company we are a proud testament to the power of the research community to drive innovations. Founded by a group of AI and cybersecurity researchers, we are driven by a shared commitment to excellence and a passion for advancing technology. Contact us to know more...
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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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At LN Solutions , our mission is simple: to empower businesses with the tools and strategies they need to succeed online. Whether it's creating stunning websites, implementing effective digital marketing campaigns, or developing custom software solutions, we are here to help our clients achieve their goals...
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A trusted partner in software engineering and staff augmentation, delivering scalable products with a focus on quality over quantity. We provide comprehensive IT solutions tailored to your business needs...
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Next Hire Inc. is a premier remote staffing partner that connects businesses with pre-vetted global talent in under 48 hours. Specializing in IT, AI, and digital marketing, we eliminate the friction of traditional hiring by providing instant access to the top 3% of professionals. Our model is built on trust...
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American Koders is a USA-based software development company delivering innovative and customized digital solutions for startups and established businesses...
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Bereza WP provides custom WordPress and WooCommerce development for businesses, agencies, and organizations. With 8+ years of experience, I build, customize, optimize, and maintain websites with a focus on performance, usability, responsive design, and reliable functionality. Services range from new website...
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LoudFace is a full-stack organic growth agency for B2B SaaS and fintech, with AI visibility measured per engine. We run GEO, SEO, AEO, content, and conversion to get companies discovered across Google and AI search. We implement across your stack when the program needs it...
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EmbarkingOnVoyage Digital Solutions is your premier partner in data and product engineering, empowering technology companies, large enterprises, and SMBs to transform industries such as travel, healthcare, banking, finance, and more through innovative solutions. We specialize in revolutionizing technology and...
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KNDCODE delivers quick and easy access to custom-tailored technology solutions, nearshore services and team augmentation that multiply organizational efficiency, and maximize usability...
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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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Cybersoft is uniquely skilled to offer ubiquitous software solutions that are relevant and in demand for todays rapidly changing business dynamics. We bring the best of quality and cost effective software development using latest SCRUM based agile development that works in sync with the customer expectations...
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Elyria Software is a technology solutions company delivering innovative AI, software, cloud, blockchain, web, and mobile development services. We help businesses transform ideas into secure, scalable, and high-performing digital solutions designed to drive growth and innovation...
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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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