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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$5,000+$150 - $199 / hr10 - 49Arlington, VA
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SecureStrux LLC, a Cybersecurity company, is located in Arlington, Virginia. Their services include Cybersecurity and IT managed services.
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$5,000+$100 - $149 / hr10 - 49Morristown, NJ
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Established in 1978, HS Design is a small Morristown, New Jersey-based user experience design agency. Their team offers UX/UI Design and Product Design.
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UndisclosedUndisclosed10 - 49Cheyenne, WY
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Laiba Technology is a web design agency. They are headquartered in Cheyenne, Wyoming and Delhi, India and have small team. Their services include Web Design and Graphic Design.
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UndisclosedUndisclosed10 - 49Honolulu, HI
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RevaComm is an UX design agency. The Honolulu, Hawaii-based firm was established in 1990. Their services include UX/UI Design and Business Consulting.
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UndisclosedUndisclosed10 - 49Piscataway, NJ
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IPolarity LLC is an IT strategy consulting company. They are based in Piscataway, New Jersey and have small team of experts. Their services include IT strategy consulting and Mobile App Development.
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UndisclosedUndisclosed10 - 49Swansea, IL
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Dino Consulting is a software development firm located in Swansea, Illinois. They provide Custom Software Development and Enterprise App Modernization and were founded in 2014.
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UndisclosedUndisclosed10 - 49Tallahassee, FL
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Software development company GeekSI is in Tallahassee, Florida. They focus on Custom Software Development and Enterprise App Modernization and were founded in 1998.
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UndisclosedUndisclosed10 - 49Manassas, VA
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Systems Enginuity, Inc. Is a custom software development company. They were launched in 2004 and offer Custom Software Development and Enterprise App Modernization.
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UndisclosedUndisclosed10 - 49Cincinnati, OH
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Enosix is a software development firm. In Cincinnati, Ohio, the company focuses on Custom Software Development and Application Testing.
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UndisclosedUndisclosed10 - 49Chicago, IL
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Phase 3 Commerce is a small Ecommerce Marketing company headquartered in Chicago, Illinois. The team offers Ecommerce Marketing and Email Marketing.
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UndisclosedUndisclosed10 - 49Farmers Branch, TX
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Tech Intellectuals, an UX agency, specializes in UX/UI Design and Custom Software Development. The agency is based in Farmers Branch, Texas.
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UndisclosedUndisclosed10 - 49Fort Myers, FL
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Stickboy is a software development company. The team offers Custom Software Development and Mobile App Development and is headquartered in Fort Myers, Florida.
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UndisclosedUndisclosed10 - 49Daytona Beach, FL
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Adaptivestack Technologies Inc. Is a web design company. Their small team of employees is located in Daytona Beach, Florida. Their team provides Web Design and UX/UI Design.
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UndisclosedUndisclosed10 - 49Grand Rapids, MI
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Launched in 2018, Array of Engineers is a custom software development firm. The company offers Custom Software Development and Mobile App Development, and is small.
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UndisclosedUndisclosed10 - 49Columbia, MD
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Founded in 2006, Omm IT Solutions, a small cloud consulting & SI company, is in Columbia, Maryland. Their team specializes in cloud consulting & SI and Custom Software Development.
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UndisclosedUndisclosed10 - 49Reston, VA
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LT Consulting LLC is a data analytics company. Launched in 2002, the agency is located in Reston, Virginia. Their team offers BI & big data consulting & SI and Custom Software Development.
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UndisclosedUndisclosed10 - 49Fairfax, VA
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Coveros is an IT managed services company. The team provides IT managed services and Custom Software Development, and the company is in Fairfax, Virginia.
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UndisclosedUndisclosed10 - 49Pittsburgh, PA
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ForAllSecure is an IT managed services company. Their small team is located in Pittsburgh, Pennsylvania. Their services include IT managed services and Application Testing.
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UndisclosedUndisclosed10 - 49Peachtree Corners, GA
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Perma Technologies, a small cloud consulting & SI company, is in Peachtree Corners, Georgia and Chennai, India. Their services include cloud consulting & SI and ERP consulting and SI.
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UndisclosedUndisclosed10 - 49Clearwater, FL
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CoreALM, LLC. Is an IT strategy consulting company. The small Clearwater, Florida-based team focuses on IT strategy consulting and cloud consulting & SI. The agency was established in 2010.
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UndisclosedUndisclosed10 - 49Frisco, TX
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Based in Frisco, Texas, Techfinity Technologies is a small IT strategy consulting company. The team provides IT strategy consulting and BI & big data consulting & SI.
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UndisclosedUndisclosed10 - 49Bedminster, NJ
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Oktay Technology is a cloud consulting & SI company. They are in Bedminster, New Jersey, and their services include cloud consulting & SI and Artificial Intelligence.
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UndisclosedUndisclosed10 - 49Dallas, TX
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GlobalNow IT Inc. Is a software development company founded in 2005. The company specializes in Custom Software Development and Application Testing.
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UndisclosedUndisclosed10 - 49Chicago, IL
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Powertek is a web development company in Chicago, Illinois. The team provides Web Development and Mobile App Development.
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UndisclosedUndisclosed10 - 49Murrysville, PA
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Logix Guru is a data analytics company. Founded in 2000, the agency is headquartered in Murrysville, Pennsylvania. Their team provides BI & big data consulting & SI and Application Testing.
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UndisclosedUndisclosed10 - 49Salem, OR
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Founded in 2010, Tryon Creek Software is an user experience design agency. The small team offers UX/UI Design and Custom Software Development.
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UndisclosedUndisclosed10 - 49Lawrenceville, GA
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Established in 2003, Supra Software Solutions is a cloud consulting & SI company. The company specializes in cloud consulting & SI and Custom Software Development.
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UndisclosedUndisclosed10 - 49Tampa, FL
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Mile2 is a Cybersecurity company. Founded in 2008, the firm is located in Tampa, Florida. Their services include Cybersecurity and IT managed services.
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UndisclosedUndisclosed10 - 49Sunnyvale, CA
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Founded in 2005, Rapid Eagle Inc, a small custom software development company, is located in Sunnyvale, California. Their services include Custom Software Development and Business Consulting.
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UndisclosedUndisclosed10 - 49Minneapolis, MN
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NorthShore Resources, Inc. Is a big data company founded in 2000. Their team provides BI & big data consulting & SI and IT managed services.
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UndisclosedUndisclosed10 - 49Jacksonville, FL
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Secure Ideas, LLC is a small Jacksonville, Florida-based Cybersecurity company. Their services include Cybersecurity and Application Testing.
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UndisclosedUndisclosed10 - 49San Jose, CA
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Launchable, Inc is a data analytics company. Located in San Jose, California, the team specializes in BI & big data consulting & SI and Custom Software Development.
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UndisclosedUndisclosed10 - 49San Francisco, CA
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PostHog, Inc. Is a Market Research company. Based in San Francisco, California, their team focuses on Market Research and BI & big data consulting & SI.
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UndisclosedUndisclosed10 - 49Atlanta, GA
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Established in 2015, STRATEFI-IT, LLC is a cloud consulting & SI company. Located in Atlanta, Georgia, the team specializes in cloud consulting & SI and Cybersecurity.
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UndisclosedUndisclosed10 - 49Rockville, MD
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Founded in 2014, Leverege is an IoT development company. The firm focuses on IoT development and UX/UI Design.
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UndisclosedUndisclosed10 - 49Newark, CA
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Infinita Lab, a Market Research company, was founded in 2019. The team provides Market Research and IoT development and is located in Newark, California and Boston, Massachusetts.
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UndisclosedUndisclosed10 - 49Waltham, MA
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Founded in 2018, Cumulus is a small IoT development company in Waltham, Massachusetts. Their team provides IoT development and Application Testing.
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UndisclosedUndisclosed10 - 49Warrendale, PA
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BrightTree Studios, an Architectural Design company, was established in 2007. They focuses on Architectural Design and IT managed services.
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UndisclosedUndisclosed10 - 49Chandler, AZ
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Video production company Michaels & Associates is based in Chandler, Arizona. They offer Video Production and Application Testing.
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UndisclosedUndisclosed10 - 49St. Louis Park, MN
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The Sartell Group is a small big data analytics company launched in 2005. Their services include BI & big data consulting & SI and IT staff augmentation.
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UndisclosedUndisclosed10 - 49Durham, NC
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Located in Durham, North Carolina, CloudShift Technologies is a small IT strategy consulting company. Their services include IT strategy consulting and Mobile App Development.
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UndisclosedUndisclosed10 - 49Burlington, MA
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Launched in 1987, Aquila Technology is a software development firm. The team provides Custom Software Development and Cybersecurity.
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UndisclosedUndisclosed10 - 49Houston, TX
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Engineering company Absolute Testing Services was founded in 2008. The company provides Engineering and Application Testing, and is small.
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UndisclosedUndisclosed10 - 49Philadelphia, PA
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A + L Development is a small software development company established in 2004. Their services include Custom Software Development and IoT development.
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UndisclosedUndisclosed10 - 49Cary, NC
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IT Automation LLC is a big data company. They are in Cary, North Carolina and have small team. They specialize in BI & big data consulting & SI and Artificial Intelligence.
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UndisclosedUndisclosed10 - 49Austin, TX
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QA Systems Incorporated, a graphic design agency, is headquartered in Austin, Texas. The team offers Graphic Design and Audio Production.
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UndisclosedUndisclosed10 - 49Liberty Township, OH
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Established in 2019, Intech Innovation Group is a software development firm. The team provides Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed10 - 49Seattle, WA
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Launched in 2017, Diatomic Product Development is a Product Design company. The company focuses on Product Design and Custom Software Development.
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UndisclosedUndisclosed10 - 49Atlanta, GA
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Accura Engineering and Consulting Services, Inc. Is an Engineering company. Their team is headquartered in Atlanta, Georgia. The company specializes in Engineering and Application Testing.
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UndisclosedUndisclosed10 - 49Farmingdale, NY
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Launched in 1999, IT Asset Management Group is a small Farmingdale, New York-based IT strategy consulting company. Their services include IT strategy consulting and BI & big data consulting & SI.
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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.