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 87 projectsSimform is a versatile technology company offering comprehensive services, including application testing, software development, and quality assurance. They are noted for their exceptional project management and responsiveness, consistently delivering high-quality results on time. Approximately 100% of the reviews highlight their strong communication and commitment to client success, with impressive flexibility and technical expertise frequently mentioned.
$5,000+$25 - $49 / hr50 - 249Serves United StatesServices provided
See all 32 projectsQualityLogic is a reputable company specializing in Software Quality Assurance and Testing Services, including App Testing and QA Testing. According to client reviews, QualityLogic is praised for their excellent communication and detailed documentation, with approximately 90% of responses highlighting their professional project management and adherence to budget. Clients frequently commend their flexibility and the successful implementation of testing protocols, underscoring QualityLogic's ability to enhance software quality and mitigate risks effectively.
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UndisclosedUndisclosed10 - 49Biddeford, ME
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Artificial intelligence firm ATX Advisory Services is headquartered in Biddeford, Maine and Wells, Maine. Established in 2013, the team focuses on Artificial Intelligence and Application Testing.
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UndisclosedUndisclosed10 - 49Boston, MA
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Established in 2023, Code Metal is a small website development company. Their services include Web Development and Artificial Intelligence.
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UndisclosedUndisclosed10 - 49San Jose, CA
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SiBrain is a Product Design company. They are headquartered in Ahmedabad, India and San Jose, California and have small team. Their team offers Product Design and Custom Software Development.
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$1,000+Undisclosed10 - 49Sunnyvale, CA
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Arosys Technologies, a small software development company, is headquartered in Sunnyvale, California and Bhilai, India. The team focuses on Custom Software Development and Application Testing.
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UndisclosedUndisclosed50 - 249McKinney, TX
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See all 1 projectsApplied AI Consulting is a specialized firm offering AI solution development, including roadmap creation, design, and cloud integration. Overall, the company received positive feedback for delivering high-quality work and maintaining a scalable architecture, with 100% of reviewers noting their expertise in AI and cloud. Though some delays occurred, their commitment to meeting timelines and strong project management was praised.
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$10,000+$25 - $49 / hr10 - 49Atlanta, GA
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See all 1 projectsHire FullStacks is a versatile development company offering services in mobile and web application development, along with digital marketing. Reviews highlight their professional culture, timely project delivery, and cost-effective solutions. Impressively, 100% of reviewers commend their alignment with company values and overall satisfaction with the quality of work.
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$10,000+$25 - $49 / hr10 - 49Austin, TX
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See all 12 projectsTechling LLC is a software development company specializing in Application Testing and mobile app development. Reviews highlight their technical expertise, efficient project management, and commitment to quality, with 100% positive feedback on their timely delivery and communication. Clients consistently praise their adaptability and proactive problem-solving.
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$10,000+$25 - $49 / hr50 - 249Las Vegas, NV
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See all 9 projectsEbryx Tech provides a range of services including mobile app development, web app development, and penetration testing. Client reviews consistently highlight their excellent project management, timely delivery, and responsiveness. Ebryx Tech particularly excels in App Testing and QA Testing, ensuring robust security and functionality for their clients' applications.
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$10,000+$150 - $199 / hr50 - 249Farmers Branch, TX
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In Farmers Branch, Texas and Bengaluru, India, Calpion is an ERP consulting and SI company. Established in 2004, the team focuses on ERP consulting and SI and Cybersecurity.
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$10,000+$25 - $49 / hr50 - 249Temple Terrace, FL
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Launched in 2016, Codetru is an Application Testing company. Their services include Application Testing and Mobile App Development.
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$1,000+$25 - $49 / hr50 - 249Albany, NY
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See all 2 projectsMentorSol is a custom software development company that specializes in building MVPs, integrating AI tools, and providing front and back-end solutions. They have a strong command of the Django framework and are known for their dependable and hardworking team. Approximately 100% of reviewers highlight their budget-friendly pricing and alignment with company values, though some suggest enhancing their testing quality.
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$1,000+Undisclosed50 - 249North Salt Lake, UT
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Regumsoft Technologies is a website development firm. They provide Web Development and Mobile App Development and were established in 2015.
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$10,000+$25 - $49 / hr1,000 - 9,999Meridian, ID
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InTimeTec BV is a web design company established in 2009. Their team specializes in Web Design and BI & big data consulting & SI.
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UndisclosedUndisclosed1,000 - 9,999Chicago, IL
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See all 3 projectsValueLabs is a comprehensive back office service provider offering technology, legal, medical, and processing services. The feedback highlights their strengths in delivering high-quality work, improving operational efficiency, and enabling company growth. Approximately 90% of the reviewers commend ValueLabs' ability to enhance their business objectives, while only 10% mention areas for improvement, indicating a largely positive experience overall.
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$10,000+$150 - $199 / hr250 - 999Reston, VA
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Cybersecurity company Mandiant was established in 2004. Based in Reston, Virginia, the team focuses on Cybersecurity and IT managed services.
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UndisclosedUndisclosed250 - 999Sunnyvale, CA
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Maantic Inc is a midsize web design company launched in 2009. Their team specializes in Web Design and UX/UI Design.
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UndisclosedUndisclosed250 - 999Somerville, MA
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Established in 2009, SmartBear is a cloud consulting & SI company. The agency offers cloud consulting & SI and API Development, and is midsize.
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UndisclosedUndisclosed250 - 999Irving, TX
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Midsize cloud consulting & SI company ComTec Information Systems (IT), is headquartered in Irving, Texas and Chicago, Illinois. The team offers cloud consulting & SI and CRM consulting and SI.
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UndisclosedUndisclosed250 - 999Macon, MO
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IT managed services company Onshore Outsourcing is based in Macon, Missouri and Glennville, Georgia. They specialize in IT managed services and IT staff augmentation and were established in 2005.
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UndisclosedUndisclosed250 - 999Bellevue, WA
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BrickRed Systems, a midsize Application Testing company, is in Bellevue, Washington and Hyderabad, India. Their services include Application Testing and Business Consulting.
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UndisclosedUndisclosed250 - 999Cupertino, CA
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R4Solutions Inc is a big data analytics company. The midsize Cupertino, California-based team specializes in BI & big data consulting & SI and cloud consulting & SI. The company was founded in 2007.
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UndisclosedUndisclosed250 - 999Herndon, VA
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GuidePoint Security is a Cybersecurity company. They are in Herndon, Virginia and Tampa, Florida and have midsize team of experts. Their services include Cybersecurity and IT managed services.
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UndisclosedUndisclosed250 - 999Dublin, CA
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Founded in 2004, TRUGlobal is a midsize IT strategy consulting company. Their team provides IT strategy consulting and BI & big data consulting & SI.
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UndisclosedUndisclosed250 - 999Reston, VA
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Systems Engineering Services Corporation, an IT strategy consulting company, was established in 1989. The team focuses on IT strategy consulting and UX/UI Design.
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UndisclosedUndisclosed250 - 999Irvine, CA
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Launched in 2015, Arctiq is a midsize IT strategy consulting company. Their services include IT strategy consulting and unified communications consulting & SI.
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UndisclosedUndisclosed250 - 999Princeton, NJ
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IT staff augmentation company V R Della Infotech Inc offers IT staff augmentation and Market Research. They were founded in 2012.
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UndisclosedUndisclosed250 - 999Johns Creek, GA
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Dimiour is an user experience company. The agency is located in Johns Creek, Georgia. Their services include UX/UI Design and cloud consulting & SI.
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UndisclosedUndisclosed250 - 999Dublin, CA
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Alcor Solutions, Inc., an IT strategy consulting company, was established in 2008. The midsize team offers IT strategy consulting and cloud consulting & SI.
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UndisclosedUndisclosed2 - 9Schaumburg, IL
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4HERE Corporation is an Application Testing company in Schaumburg, Illinois. The team offers Application Testing and IoT development.
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UndisclosedUndisclosed10 - 49New York, NY
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SEP Technology Consulting, LLC is an Application Testing company. The team is in New York, New York, and their services include Application Testing and IT strategy consulting.
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UndisclosedUndisclosed10 - 49Arlington, VA
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Application Testing company StormForge is based in Arlington, Virginia. They focus on Application Testing and cloud consulting & SI and were established in 2015.
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Undisclosed$150 - $199 / hr1,000 - 9,999Indianapolis, IN
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Appirio is a custom software development firm launched in 2006. Their team offers Custom Software Development and ERP consulting and SI.
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UndisclosedUndisclosed50 - 249Andover, MA
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Based in Andover, Massachusetts, ath Power Consulting is a Market Research and Application Testing company. They specialize in Market Research and Application Testing.
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UndisclosedUndisclosed50 - 249Little Rock, AR
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Central Arkansas Library System, a midsize Commercial Financing and Application Testing company, is based in Little Rock, Arkansas. Their services include Commercial Financing and Application
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UndisclosedUndisclosed50 - 249Somerset, NJ
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Custom software development firm and Application Testing company 22nd Century Software Solutions was established in 1997. The agency focuses on Custom Software Development and Application Testing.
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UndisclosedUndisclosed50 - 249Irving, TX
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Based in Irving, Texas and Dallas, Texas, Echo IT Solutions is a midsize cloud consulting & SI company. Their services include cloud consulting & SI and Custom Software Development.
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UndisclosedUndisclosed50 - 249Effingham, IL
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Versatech Automation , a Business Consulting company, is located in Effingham, Illinois. Founded in 2008, the team offers Business Consulting and Engineering.
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UndisclosedUndisclosed50 - 249Lisle, IL
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Launched in 2018, Optivent Group Inc. Is a custom software development company. The team focuses on Custom Software Development and cloud consulting & SI.
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UndisclosedUndisclosed50 - 249Saline, MI
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CriTech Research, Inc. Is a custom software development company. Headquartered in Saline, Michigan, their team provides Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed50 - 249Cupertino, CA
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AppPerfect Corp is a custom software development firm. Headquartered in Cupertino, California, their team focuses on Custom Software Development and Robotics Process Automation.
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UndisclosedUndisclosed50 - 249Santa Ana, CA
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Rencata, a midsize IT strategy consulting company, is headquartered in Santa Ana, California and Puducherry, India. The team focuses on IT strategy consulting and BI & big data consulting & SI.
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UndisclosedUndisclosedFreelancerLafayette, CO
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Founded in 2017, Level 10 QA is an Application Testing company. The small team provides Application Testing.
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UndisclosedUndisclosed50 - 249Minnetonka, MN
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User experience design company Ambient Consulting specializes in UX/UI Design and BI & big data consulting & SI. They are headquartered in Minnetonka, Minnesota.
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UndisclosedUndisclosed50 - 249Beaverton, OR
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Founded in 1993, Everest Consultants, Inc. Is a business intelligence company. The agency offers BI & big data consulting & SI and IT managed services.
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UndisclosedUndisclosed50 - 249Dover, DE
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GDK Services LLC is a Dover, Delaware-based custom software development firm. They offer Custom Software Development and Recruitment Process Outsourcing.
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UndisclosedUndisclosed50 - 249Fremont, CA
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Dew Software is an IT strategy consulting company founded in 1997. Their team offers IT strategy consulting and BI & big data consulting & SI.
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UndisclosedUndisclosedFreelancerDurham, NC
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Nokomis Advisors is a small Application Testing company based in Durham, North Carolina. The team offers Application Testing.
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UndisclosedUndisclosed50 - 249Bonita Springs, FL
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EMaint is a midsize software development company in Bonita Springs, Florida. The team focuses on Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed50 - 249Lewis Center, OH
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American Business Solutions Inc., a big data company, provides BI & big data consulting & SI and Custom Software Development. The company is based in Lewis Center, Ohio.
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$5,000+$25 - $49 / hr250 - 999Dallas, TX
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See all 28 projectsDevstringx Technologies is a proficient software testing company specializing in QA Testing and Testing Services. Reviews highlight their expertise in QA automation and Software Quality Assurance, with significant outcomes such as reducing testing time by 50% and improving bug detection by 60%. An impressive 100% of reviewers commend their professionalism, attention to detail, and timely delivery, although some note minor areas for improvement in process documentation.
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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+$50 - $99 / hr50 - 249Mountain View, CA
Ability to deliver
35.8/40.016.2/20 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 -
$5,000+$25 - $49 / hr10 - 49Boulder, CO
Ability to deliver
31.6/40.015.8/20 Reviews9.8/10 Clients & Experience6/10 Market PresenceService focus
80% Application Testing20% Other -
$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 -
$25,000+$50 - $99 / hr250 - 999Aventura, FL
Ability to deliver
38.5/40.019/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
10% Application Testing90% Other -
$5,000+< $25 / hr250 - 999Sunnyvale, CA
Ability to deliver
26.9/40.017.8/20 Reviews1.6/10 Clients & Experience7.5/10 Market PresenceService focus
100% Application Testing -
$5,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
34.4/40.015.6/20 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
35.4/40.017.4/20 Reviews8.4/10 Clients & Experience9.6/10 Market PresenceService focus
10% Application Testing90% Other -
$50,000+$50 - $99 / hr50 - 249Scottsdale, AZ
Ability to deliver
36.7/40.017.8/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
10% Application Testing90% 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 -
$5,000+$50 - $99 / hr50 - 249Austin, TX
Ability to deliver
35.3/40.019/20 Reviews10/10 Clients & Experience6.3/10 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 -
$1,000+$25 - $49 / hr50 - 249Ramsey, NJ
Ability to deliver
22.2/40.016.4/20 Reviews0/10 Clients & Experience5.8/10 Market PresenceService focus
100% Application Testing -
Undisclosed$150 - $199 / hr10 - 49Minneapolis, MN
Ability to deliver
34.2/40.016.4/20 Reviews10/10 Clients & Experience7.8/10 Market PresenceService focus
10% Application Testing90% Other -
$10,000+$25 - $49 / hr50 - 249McLean, VA
Ability to deliver
26.6/40.017/20 Reviews4.3/10 Clients & Experience5.3/10 Market PresenceService focus
45% Application Testing55% 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 -
$50,000+$50 - $99 / hr10 - 49San Francisco, CA
Ability to deliver
33.9/40.016/20 Reviews10/10 Clients & Experience7.9/10 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 -
$10,000+$50 - $99 / hr10 - 49New York, NY
Ability to deliver
33.7/40.019.2/20 Reviews9/10 Clients & Experience5.5/10 Market PresenceService focus
10% Application Testing90% 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 -
$25,000+$200 - $300 / hr10 - 49Scottsdale, AZ
Ability to deliver
33.3/40.016.8/20 Reviews9.8/10 Clients & Experience6.7/10 Market PresenceService focus
10% Application Testing90% Other -
$5,000+$25 - $49 / hr10 - 49New York, NY
Ability to deliver
20.8/40.016.8/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
100% Application Testing
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.