Top Software Testing Companies in the United States
From Silicon Valley product teams to Austin startups and New York–based enterprises, the United States is a global hub for quality assurance and software testing. U.S. firms bring deep experience in regulated industries (healthcare, fintech, government) and modern practices like shift-left testing, CI/CD-driven automation, and secure-by-design workflows.
On Clutch, you’ll find verified U.S.-based QA partners with detailed client reviews, case studies, and industry certifications. Use filters to narrow by budget, hourly rate, team size, location, and domain expertise. Compare providers on tooling proficiency, device lab coverage, and measurable outcomes such as reduced defect leakage and faster release cycles. Browse these additional directories:
• Global Top Software Testing Companies
• Software Testing Companies in New York
• Software Testing Companies in Dallas
• Software Testing Companies in San Francisco
• U.S. Software Testing Companies for Information Technology
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Featured
What are Featured Providers?
$25,000+$25 - $49 / hr1,000 - 9,999Serves United StatesServices provided
See all 84 projectsSimform is a software development company specializing in Application Testing, QA Testing, and related services. The majority of their clients report positive experiences, highlighting Simform’s timely delivery, proactive communication, and commitment to success. Notably, 100% of reviewers praise Simform’s flexibility and technical expertise, while 80% appreciate their agile project management. Overall, Simform is recognized for its ability to adapt and deliver quality results promptly.
$5,000+Undisclosed50 - 249Serves United StatesServices provided
See all 60 projectsQA Wolf is a comprehensive software testing company specializing in Application Quality Assurance through end-to-end automated testing services. Their reviews highlight exceptional project management, rapid communication, and adaptability with over 95% of feedback being positive. Common themes include seamless integration into clients' workflows and consistently delivering on time, with 80% of reviewers mentioning their responsiveness and value for cost.
$5,000+$25 - $49 / hr50 - 249Serves United StatesServices provided
See all 30 projectsQualityLogic is a distinguished provider of Application Testing and Software Quality Assurance services, offering comprehensive testing solutions such as QA Testing and Software Validation. Across numerous reviews, QualityLogic is praised for its professional communication, timely project delivery, and exceptional value for cost. Notably, 100% of reviewers commend their team’s expertise, communication, and commitment to quality, with no significant areas for improvement reported.
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UndisclosedUndisclosed2 - 9Brooklyn, NY
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ZeroDevs is a custom software development firm launched in 2021. In Brooklyn, New York, the team offers Custom Software Development and Web Development.
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$1,000+< $25 / hr2 - 9Somerville, NJ
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Gradient Tensor LLC, a small software development company, is headquartered in Somerville, New Jersey. The team provides Custom Software Development and Web Development.
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$250,000+$25 - $49 / hr10 - 49Nottingham, MD
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Diamond App Group LLC is a small custom software development company founded in 2017. Their services include Custom Software Development and Enterprise App Modernization.
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$5,000+$25 - $49 / hr10 - 49New York, NY
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See all 1 projectsNile Bits offers system application development services tailored to the needs of companies like real estate developers. The reviews consistently highlight their impressive speed, effective communication, and alignment with client values, resulting in high customer satisfaction. Clients appreciate the company's ability to deliver on time and within budget.
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$1,000+$100 - $149 / hr10 - 49Bountiful, UT
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Clearlink IT, LLC is an IT managed services company based in Bountiful, Utah. Launched in 2007, the team focuses on IT managed services and IT strategy consulting.
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$1,000+< $25 / hr10 - 49Chicago, IL
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Cogito software is a Logo company established in 2016. The team offers Logo and Print Design and is headquartered in Chicago, Illinois.
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$1,000+< $25 / hr10 - 49Fairfax, VA
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KautilyaX is a Digital Strategy company. Founded in 2015, their team specializes in Digital Strategy and UX/UI Design.
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$1,000+$100 - $149 / hrFreelancerRiver Forest, IL
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See all 1 projectsNetzant Technology LLC is an IT consulting firm praised for its professionalism and expertise in the IT industry. All reviewers highlight the effective communication and timely delivery of projects, with 100% positive feedback regarding their direct engagement and successful project outcomes. Their tailored solutions, particularly in launching IT-specific platforms, have been notably effective, as evidenced by significant increases in website traffic.
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$5,000+$50 - $99 / hr50 - 249Newton, MA
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See all 3 projectsDevelop US is a company specializing in App Testing and Software Quality Assurance. According to their reviews, 100% of clients appreciate their commitment to delivering state-of-the-art solutions and effective project management, resulting in satisfied end users and improved technological integration. Most reviewers note their alignment with company values and cost-effectiveness.
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UndisclosedUndisclosed10 - 49Palo Alto, CA
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Loadmill, an Application Testing company, was established in 2018. The small team offers Application Testing.
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UndisclosedUndisclosed250 - 999Plano, TX
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XTGlobal is a cloud consulting & SI company established in 1998. Based in Plano, Texas and Nanakaramguda, India, the team provides cloud consulting & SI and IT managed services.
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UndisclosedUndisclosed10 - 49Tarpon Springs, FL
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Application Testing company Checkpoint Technologies is headquartered in Tarpon Springs, Florida and Odessa, Florida. Founded in 2003, the team offers Application Testing and IT strategy consulting.
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UndisclosedUndisclosed10 - 49Jersey City, NJ
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Application Testing company Abeyis Solution was established in 2022. The firm offers Application Testing and BI & big data consulting & SI.
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UndisclosedUndisclosed10 - 49Los Altos, CA
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Practical SQA, an Application Testing company, is located in Los Altos, California. Their services include Application Testing and Mobile & App Marketing.
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UndisclosedUndisclosed10 - 49Woodland, CA
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Varkasa Inc is an Application Testing company based in Woodland, California. Their services include Application Testing and IT strategy consulting.
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UndisclosedUndisclosed10 - 49Alexandria, VA
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Engineering, Software and Network Services (ESNS) is an Alexandria, Virginia-based software development firm. Founded in 2002, the team provides Custom Software Development and Application Testing.
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UndisclosedUndisclosed10 - 49San Francisco, CA
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Established in 2016, Intellimize is an Application Testing company. The company specializes in Application Testing and Conversion Optimization.
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$1,000+Undisclosed2 - 9Marietta, GA
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Altnetix is a web design company. Located in Marietta, Georgia, the firm was launched in 2018. Their services include Web Design and UX/UI Design.
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$25,000+$50 - $99 / hr2 - 9San Jose, CA
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Inizio Inc, a small mobile app development company, is based in San Jose, California. Their services include Mobile App Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9Totowa, NJ
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Weblogies is a graphic design agency. Founded in 2017, their team specializes in Graphic Design and Search Engine Optimization.
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$25,000+$50 - $99 / hr50 - 249Plano, TX
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See all 2 projectsKrasamo Inc. is a versatile technology development company specializing in mobile and IoT applications. Overall feedback highlights their exceptional technical skills and adaptability, with approximately 85% of reviewers praising these aspects. However, they have received some criticism for their project management, with 50% of reviews suggesting improvements in this area. Despite this, they are commended for their problem-solving capabilities and commitment to understanding client needs.
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$10,000+$50 - $99 / hr50 - 249Dallas, TX
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Founded in 2005, Trident Technology Software Corp is a midsize Dallas, Texas-based software development firm. Their services include Custom Software Development and Artificial Intelligence.
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UndisclosedUndisclosed50 - 249New York, NY
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Two Twelve, a Logo company, provides Logo and Graphic Design. The company is in New York, New York and Honolulu, Hawaii.
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$25,000+$100 - $149 / hr2 - 9Washington, DC
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Established in 2014, FIN Digital is a custom software development company. Their services include Custom Software Development and Enterprise App Modernization.
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$5,000+$100 - $149 / hr2 - 9Austin, TX
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Lunar Collective is a software development company. They focus on Custom Software Development and Web Development and were launched in 2016. The company is headquartered in Austin, Texas.
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UndisclosedUndisclosed2 - 9Denver, CO
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Digital Silence is a Cybersecurity company. They are headquartered in Denver, Colorado and have small team. Their team specializes in Cybersecurity and Application Testing.
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UndisclosedUndisclosed2 - 9St. Augustine, FL
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10:23 Digital Marketing, a branding agency, is in St. Augustine, Florida. Established in 2019, the team offers Branding and Social Media Marketing.
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$50,000+Undisclosed10 - 49Northampton, MA
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Software development firm PixelEdge is in Northampton, Massachusetts. Launched in 2014, the team offers Custom Software Development and Application Management & Support.
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$10,000+$50 - $99 / hr10 - 49Houston, TX
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Mobile application development company iProcess Data Systems LLC was founded in 2007. The team focuses on Mobile App Development and Search Engine Optimization.
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$10,000+$100 - $149 / hr10 - 49San Carlos, CA
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Headquartered in San Carlos, California, TRG Digital is a custom software development firm. They provide Custom Software Development and Digital Strategy and were established in 2018.
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$25,000+$50 - $99 / hr10 - 49Parsippany-Troy Hills, NJ
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Custom software development firm Innopad Technologies Group is in Parsippany-Troy Hills, New Jersey. Their services include Custom Software Development and Enterprise App Modernization.
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$1,000+$50 - $99 / hr10 - 49New York, NY
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Cybertone Inc. Is a social media marketing agency launched in 2007. The agency offers Social Media Marketing and Content Marketing.
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$5,000+$25 - $49 / hr10 - 49Destin, FL
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Ostryx is a Destin, Florida-based user experience agency. The team offers UX/UI Design and Web Development.
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$1,000+< $25 / hr50 - 249Dover, DE
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Mobitshu is a custom software development firm. They were launched in 2013, and their services include Custom Software Development and AR/VR development.
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$25,000+$50 - $99 / hr50 - 249Newport Beach, CA
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TechFlex Development, a midsize web development firm, is located in Newport Beach, California. The team provides Web Development and Mobile App Development.
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$10,000+$50 - $99 / hr50 - 249Troy, MI
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Venus Global Technology, an IT staff augmentation company, is located in Troy, Michigan. They provide IT staff augmentation and Digital Strategy.
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$5,000+< $25 / hr1,000 - 9,999Colorado Springs, CO
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TeKnowledge is a custom software development firm. They were founded in 2010 and offer Custom Software Development and Application Testing.
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$10,000+$50 - $99 / hr10 - 49Austin, TX
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See all 2 projectsCodersPeak is a versatile software development company known for its expertise in front-end and back-end development, infrastructure, and QA services. They are highly regarded for their collaborative approach, with 100% of reviewers highlighting their effective communication and seamless integration with client teams. Reviewers consistently praise CodersPeak for their smart and detail-oriented work, making them a preferred partner for technology-driven projects.
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Undisclosed$50 - $99 / hr10 - 49Frisco, TX
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See all 3 projectsAsinpa LLC is a database and software development company providing backend solutions, data management, and .NET application development. Reviews indicate a high satisfaction rate, with 100% of clients highlighting their professionalism, adaptability, and effective communication. Clients commend their ability to deliver accurate data reporting and adapt services to meet specific business needs.
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$1,000+$25 - $49 / hr10 - 49Sheridan, WY
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See all 1 projectsJSS Devs offers comprehensive software solutions, including ERP implementation and app testing services. Their reviews highlight a commitment to delivering projects on time and tailoring solutions to client needs, emphasizing effective risk management and client satisfaction. Clients appreciate their alignment with company values and attention to detail, resulting in smooth project management and successful outcomes.
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$10,000+$25 - $49 / hr2 - 9Sterling, VA
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See all 3 projectsInnolance is a versatile development company specializing in web and mobile applications, offering services ranging from wireframing to UX design and coding across various platforms. With approximately 80% positive feedback, clients consistently praise Innolance for their commitment, flexibility, and the ability to integrate with client teams effectively. However, some suggest improvements in project management and creative solution formulation for complex needs.
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Undisclosed< $25 / hr1,000 - 9,999Boise, ID
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See all 6 projectsPartnerHero is an application testing company that excels in providing App QA, software quality testing, and development testing services. Clients consistently highlight their commitment to meeting changing requirements and delivering impressive customer service, with 100% positive feedback. PartnerHero's adaptability and alignment with client values ensure a strong cultural fit and effective collaboration.
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$1,000+$25 - $49 / hr2 - 9Appleton, WI
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Established in 2016, Make I.T. SOAR is a Cybersecurity company. The agency provides Cybersecurity and IT strategy consulting, and is small.
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$25,000+$50 - $99 / hr2 - 9Overland Park, KS
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Vertical Merger Technology Group is an Overland Park, Kansas-based software development firm. Their services include Custom Software Development and Web Development.
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$1,000+$50 - $99 / hr2 - 9Palm Beach Gardens, FL
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Web design company Dovera provides Web Design and Web Development. They are based in Palm Beach Gardens, Florida.
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$1,000+Undisclosed10 - 49Severn, MD
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Winquest Cybersecurity is a small Cybersecurity company based in Severn, Maryland. The team provides Cybersecurity and Business Consulting.
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$5,000+$25 - $49 / hr10 - 49Fremont, CA
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TOPSYNTAX INC, a software development firm, is in Fremont, California. They specialize in Custom Software Development and Enterprise App Modernization and were founded in 2018.
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$1,000+$100 - $149 / hr10 - 49Sugar Land, TX
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Established in 2017, Matican Group LLC, a small web design company, is based in Sugar Land, Texas. Their team specializes in Web Design and UX/UI Design.
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UndisclosedUndisclosed10 - 49Lindon, UT
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Approachable Geek is a mobile application development company. They were established in 2019, and their services include Mobile App Development and Custom Software Development.
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$1,000+$25 - $49 / hr10 - 49Tigard, OR
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Headquartered in Tigard, Oregon, CoDevelop is a web development firm. They provide Web Development and Search Engine Optimization and were founded in 2022.
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List of the Top 15 United States QA Testers
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$5,000+Undisclosed50 - 249Seattle, WA
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
100% Application Testing -
$5,000+$25 - $49 / hr50 - 249Boise, ID
Ability to deliver
37.3/40.017.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
100% Application Testing -
$5,000+$25 - $49 / hr250 - 999Mountain View, CA
Ability to deliver
36.6/40.017/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
100% Application Testing -
$1,000+< $25 / hr250 - 999New York, NY
Ability to deliver
35.4/40.016/20 Reviews9.8/10 Clients & Experience9.6/10 Market PresenceService focus
100% Application Testing -
$1,000+$50 - $99 / hr50 - 249Boise, ID
Ability to deliver
31.2/40.016.4/20 Reviews8.6/10 Clients & Experience6.2/10 Market PresenceService focus
100% Application Testing -
$1,000+$50 - $99 / hr50 - 249Aurora, CO
Ability to deliver
30.4/40.016.2/20 Reviews8.3/10 Clients & Experience5.8/10 Market PresenceService focus
100% Application Testing -
$50,000+$50 - $99 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% Application Testing90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Application Testing90% Other -
$5,000+$25 - $49 / hr10 - 49Boulder, CO
Ability to deliver
30.4/40.014.8/20 Reviews9.8/10 Clients & Experience5.9/10 Market PresenceService focus
80% Application Testing20% Other -
$5,000+< $25 / hr250 - 999Sunnyvale, CA
Ability to deliver
27.1/40.018/20 Reviews1.6/10 Clients & Experience7.5/10 Market PresenceService focus
100% Application Testing -
$5,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
34.6/40.015.8/20 Reviews9/10 Clients & Experience9.8/10 Market PresenceService focus
20% Application Testing80% Other -
$10,000+$50 - $99 / hr50 - 249Lakewood, CO
Ability to deliver
38.4/40.018.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Application Testing90% Other -
$50,000+$25 - $49 / hr1,000 - 9,999Houston, TX
Ability to deliver
35.6/40.017.6/20 Reviews8.4/10 Clients & Experience9.6/10 Market PresenceService focus
10% Application Testing90% Other -
$10,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
35.1/40.016.8/20 Reviews10/10 Clients & Experience8.3/10 Market PresenceService focus
15% Application Testing85% Other -
$1,000+$150 - $199 / hr10 - 49Guys Mills, PA
Ability to deliver
29.4/40.016.2/20 Reviews5.7/10 Clients & Experience7.5/10 Market PresenceService focus
50% Application Testing50% Other -
$50,000+$50 - $99 / hr50 - 249Scottsdale, AZ
Ability to deliver
35.5/40.016.6/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
10% Application Testing90% Other -
$5,000+$50 - $99 / hr50 - 249Austin, TX
Ability to deliver
35.4/40.019.2/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
10% Application Testing90% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Princeton, NJ
Ability to deliver
29.3/40.015.2/20 Reviews7.3/10 Clients & Experience6.8/10 Market PresenceService focus
20% Application Testing80% Other -
$10,000+$150 - $199 / hr10 - 49Chicago, IL
Ability to deliver
35.5/40.015.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Application Testing90% Other -
$1,000+< $25 / hr1,000 - 9,999Lewisville, TX
Ability to deliver
32.6/40.015.6/20 Reviews7.4/10 Clients & Experience9.6/10 Market PresenceService focus
10% Application Testing90% Other -
Undisclosed$150 - $199 / hr10 - 49Minneapolis, MN
Ability to deliver
34.6/40.016.8/20 Reviews10/10 Clients & Experience7.8/10 Market PresenceService focus
10% Application Testing90% Other -
$10,000+$25 - $49 / hr50 - 249McLean, VA
Ability to deliver
26.8/40.017.2/20 Reviews4.3/10 Clients & Experience5.3/10 Market PresenceService focus
45% Application Testing55% Other -
$10,000+$50 - $99 / hr10 - 49New York, NY
Ability to deliver
34.1/40.019.6/20 Reviews9/10 Clients & Experience5.5/10 Market PresenceService focus
10% Application Testing90% Other -
$25,000+$50 - $99 / hr250 - 999Plano, TX
Ability to deliver
32.6/40.015.6/20 Reviews10/10 Clients & Experience7/10 Market PresenceService focus
10% Application Testing90% Other -
UndisclosedUndisclosed50 - 249Cookeville, TN
Ability to deliver
21.5/40.016.6/20 Reviews0/10 Clients & Experience4.9/10 Market PresenceService focus
100% Application Testing -
$75,000+$150 - $199 / hr10 - 49Austin, TX
Ability to deliver
31.3/40.016.2/20 Reviews8.5/10 Clients & Experience6.6/10 Market PresenceService focus
25% Application Testing75% Other -
$250,000+$50 - $99 / hr250 - 999Austin, TX
Ability to deliver
30.8/40.016.2/20 Reviews8.2/10 Clients & Experience6.4/10 Market PresenceService focus
15% Application Testing85% Other -
$5,000+$25 - $49 / hr10 - 49New York, NY
Ability to deliver
21.2/40.017.2/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
100% Application Testing -
$5,000+$150 - $199 / hr10 - 49Portland, OR
Ability to deliver
30.8/40.015/20 Reviews8.5/10 Clients & Experience7.3/10 Market PresenceService focus
20% Application Testing80% Other -
$5,000+$150 - $199 / hr10 - 49San Francisco, CA
Ability to deliver
30.6/40.016.2/20 Reviews7.3/10 Clients & Experience7.2/10 Market PresenceService focus
20% Application Testing80% Other
U.S. Software Testing FAQs
U.S. testing partners offer proximity to major product and engineering hubs, making collaboration easier across time zones and in-person workshops. Many teams also understand domestic compliance requirements such as HIPAA, PCI DSS, SOX, COPPA, and accessibility standards (WCAG/ADA), which is critical for healthcare, fintech, public sector, and enterprise SaaS.
US agencies often staff senior SDETs and architects who can integrate automated testing into your DevOps toolchain (GitHub/GitLab/Jenkins/Azure DevOps), improve release velocity, and establish KPIs like defect escape rate, test coverage, MTTD/MTTR, and build health. If your roadmap depends on timely, compliant releases for North American users, a US-based QA partner can be a strategic multiplier.
Pricing varies because of factors like expertise, location, and scope. Based on Clutch’s recent data, most software testing companies in the United States charge:
- Hourly rates: typically $75 – $175 per hour for US-based QA engineers and SDETs; niche security or performance specialists may charge more.
- Monthly dedicated QA: $8,000 – $20,000+ per engineer for embedded team models.
- Project-based engagements: functional web/mobile testing often ranges from $25,000 – $150,000+, depending on complexity, environments, and automation depth.
- Ongoing QA programs: regression + automation maintenance may start around $5,000 – $25,000 per month for smaller products, scaling with release cadence and coverage goals.
Tip: Ask for a pilot sprint or paid discovery to validate tooling, coverage, and reporting before you commit to a longer-term plan.
U.S. QA and testing agencies commonly support a broad spectrum of industries and niches, including those from:
- Healthcare and health tech (HIPAA, FDA-adjacent validation, data privacy)
- Fintech, banking, and payments (PCI DSS, SOC 2, audit trails)
- SaaS and enterprise software (multi-tenant, role-based access, SSO)
- E-commerce and retail (peak load testing, conversions, ADA compliance)
- Media/streaming and gaming (cross-device compatibility, latency)
- Automotive, aerospace, and defense (safety, reliability, traceability)
- Public sector and education (FedRAMP-influenced controls, accessibility)
When assessing potential partners, look for sector-specific case studies and evidence of regulatory fluency.
Start by carefully outlining your project’s specific technical requirements and objectives. Then, browse through Clutch’s directories and evaluate your options on:
- Domain fit — experience in your industry’s risks and regulations.
- Test strategy — clear approaches across unit, API, UI, performance, security, and accessibility; evidence of a shift-left mindset.
- Tooling and labs — expertise with Selenium/Cypress/Playwright, Appium, Postman, JMeter/k6, BrowserStack/Sauce Labs, TestRail/Zephyr; real device coverage.
- DevOps integration — CI/CD automation, version control, and artifact management aligned with your stack.
- Reporting and KPIs — dashboards for defect leakage, coverage, flakiness, and time-to-release.
- Team model — embedded vs. outsourced software testing in the USA; onshore, nearshore, or hybrid support with defined handoffs.
- Proof — quantified case studies, references, and verified Clutch reviews.
Shortlist 3–5 firms, run a small pilot (2–4 weeks), and compare outputs: stability gains, test reliability, and collaboration quality.
- No written test strategy, unclear scope, or generic “we test everything” claims
- Overreliance on manual testing without a roadmap for automation where it makes sense
- Limited real-device coverage for mobile or a shallow browser/OS matrix
- Flaky tests and no remediation plan; ignoring test data and environment parity
- Vanity metrics (case counts) instead of meaningful KPIs (defect escape rate, coverage)
- Inability to integrate with your CI/CD tools or provide audit-ready reports
- Lack of familiarity with required standards (HIPAA, PCI DSS, SOC 2, WCAG/ADA)
- Poor knowledge transfer, no ownership of test assets, or missing documentation
Underestimating red flags can lead to regrets, headaches, and costly mishaps in the future. Be proactive when filtering your options and do your best to spot these warning signs early.