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 86 projectsSimform is a versatile software development company specializing in App Testing, QA Testing, and Software Quality Assurance services. Clients consistently highlight their timely delivery, effective communication, and commitment to project success. Nearly all reviews mention their strong project management and adaptability to client needs, with 100% praising their commitment and technical expertise.
$5,000+Undisclosed50 - 249Serves United StatesServices provided
See all 64 projectsQA Wolf, a specialized company in QA Testing and Software Quality Assurance services, consistently receives positive feedback for its robust automation capabilities and responsive support. Approximately 85% of reviews highlight their ability to enhance automated test coverage, while 70% commend their professional and collaborative project management. Clients appreciate their seamless integration into existing workflows and rapid response to issues, making them a reliable partner in Application Quality Assurance.
$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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UndisclosedUndisclosed50 - 249Oak Brook, IL
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Original Software is an Application Testing company. Their team is based in Oak Brook, Illinois and England. The company offers Application Testing.
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UndisclosedUndisclosed50 - 249Vancouver, WA
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NResult is a midsize Vancouver, Washington-based Application Testing company. The team provides Application Testing.
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UndisclosedUndisclosed50 - 249Stamford, CT
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Application Testing company Webomates Inc. Was launched in 2015. The firm provides Application Testing and Artificial Intelligence.
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UndisclosedUndisclosed10 - 49Miami, FL
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VAS Consulting is an Application Testing company. The team is in Miami, Florida, and their services include Application Testing.
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UndisclosedUndisclosed2 - 9Sanford, FL
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QueteQ is an Application Testing company. The Sanford, Florida-based agency offers Application Testing.
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UndisclosedUndisclosed50 - 249Sunnyvale, CA
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Launched in 2015, HeadSpin is an Application Testing company. The agency offers Application Testing.
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UndisclosedUndisclosed50 - 249Sunnyvale, CA
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FutureDial, Incorporated is an Application Testing company. The firm is located in Sunnyvale, California. Their team provides Application Testing.
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UndisclosedUndisclosed10 - 49Torrance, CA
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Founded in 2011, DIGITAL Hearts USA Inc. Is an Application Testing company. The agency specializes in Application Testing.
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UndisclosedUndisclosed250 - 999Richardson, TX
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Anora is an Application Testing company launched in 2008. The team focuses on Application Testing.
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UndisclosedUndisclosed2 - 9San Antonio, TX
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Established in 2009, LCCx, LLC, a small Application Testing company, is located in San Antonio, Texas. Their services include Application Testing.
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UndisclosedUndisclosed50 - 249Langhorne, PA
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Infoways is an Application Testing company. They offer Application Testing and IT strategy consulting and were founded in 2002. The agency is located in Langhorne, Pennsylvania.
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UndisclosedUndisclosed10 - 49Norristown, PA
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DVM Power + Control is an Application Testing company. Established in 2012, the company offers Application Testing.
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UndisclosedUndisclosed50 - 249Fairfax, VA
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HADIAMONDSTAR Software Solutions, LLC is a midsize Application Testing company. Launched in 2005, the team specializes in Application Testing.
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UndisclosedUndisclosed50 - 249Novi, MI
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Rapita Systems, Inc. Is an Application Testing company founded in 2004. The team focuses on Application Testing.
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UndisclosedUndisclosed50 - 249Dublin, OH
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Data Systems Integration Group, Inc. Is an Application Testing company founded in 2006. Their team offers Application Testing.
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UndisclosedUndisclosed10 - 49Novi, MI
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Tecnovators is an Application Testing company headquartered in Novi, Michigan and Chennai, India. They specialize in Application Testing and were founded in 2010.
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UndisclosedUndisclosed10 - 49Princeton, NJ
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Launched in 2015, Vnurture Technologies is a small Ahmedabad, India-based Application Testing company. Their services include Application Testing.
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UndisclosedUndisclosed50 - 249East Brunswick, NJ
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Established in 2007, Jersey Technology Partners is an Application Testing company. The company focuses on Application Testing, and is midsize.
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UndisclosedUndisclosed10 - 49Metuchen, NJ
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Consiga Technologies, Inc. Is an Application Testing company. Established in 2002, their team specializes in Application Testing.
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UndisclosedUndisclosed50 - 249Naperville, IL
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Investortools, Inc. Is a midsize Application Testing company launched in 1983. Their team specializes in Application Testing.
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UndisclosedUndisclosed10 - 49Morrisville, NC
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In Morrisville, North Carolina, Myocardial Solutions is a small Application Testing company. The team provides Application Testing.
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UndisclosedUndisclosed10 - 49Cary, NC
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CRM_A, LLC is a small Application Testing company located in Cary, North Carolina. Their services include Application Testing.
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UndisclosedUndisclosed250 - 999Fort Lee, NJ
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Application Testing company Vichara Technologies was launched in 2001. The agency offers Application Testing, and is midsize.
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UndisclosedUndisclosed50 - 249Sayreville, NJ
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DATAMETRICS SOFTWARE SYSTEMS INC. Is a midsize Application Testing company founded in 2022. Their services include Application Testing.
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UndisclosedUndisclosed10 - 49Santa Clara, CA
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3Qi Labs is an Application Testing company launched in 2010. Their team specializes in Application Testing.
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UndisclosedUndisclosed1,000 - 9,999Pleasanton, CA
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Launched in 2002, QASource, a large Application Testing company, is headquartered in Pleasanton, California. Their services include Application Testing.
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UndisclosedUndisclosed10 - 49Novato, CA
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Application Testing company Beta Breakers was launched in 1981. The team specializes in Application Testing.
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UndisclosedUndisclosed50 - 249Mansfield, MA
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New Age Micro is a midsize Mansfield, Massachusetts-based Application Testing company. The team specializes in Application Testing.
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UndisclosedUndisclosed10 - 49San Francisco, CA
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Application Testing company Porter Consulting LLC is in San Francisco, California. They offer Application Testing.
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UndisclosedUndisclosed2 - 9Austin, TX
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Located in Austin, Texas, Austin Reliability Labs is an Application Testing company. Their services include Application Testing.
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UndisclosedUndisclosed50 - 249Jericho, NY
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Founded in 2006, Nectar Services Corp. Is an Application Testing company. The team offers Application Testing.
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UndisclosedUndisclosed50 - 249Powder Springs, GA
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Application Testing company Quality Certain offers Application Testing. They are located in Powder Springs, Georgia.
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UndisclosedUndisclosed250 - 999Kansas City, MO
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Electric Power Systems is an Application Testing company. In Kansas City, Missouri and Richardson, Texas, the team provides Application Testing and Engineering.
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UndisclosedUndisclosed50 - 249Rogers, MN
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AbeTech, an Application Testing company, was founded in 1992. Headquartered in Rogers, Minnesota and Troy, Missouri, the team offers Application Testing.
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UndisclosedUndisclosed50 - 249Aurora, IL
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Midsize Application Testing company Thoughtwave Software and Solutions Inc., is headquartered in Aurora, Illinois and Waukesha, Wisconsin. The team provides Application Testing.
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UndisclosedUndisclosed2 - 9Glen Carbon, IL
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Forensic IT, Inc. Is a Glen Carbon, Illinois-based Application Testing company. The team offers Application Testing.
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UndisclosedUndisclosed50 - 249Naperville, IL
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Evolutyz is an Application Testing company. In Naperville, Illinois and Visakhapatnam, India, the agency focuses on Application Testing.
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UndisclosedUndisclosed50 - 249Farmers Branch, TX
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Founded in 2008, Diverse Infotech is an Application Testing company. The agency focuses on Application Testing, and is midsize.
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UndisclosedUndisclosed10 - 49Punta Gorda, FL
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Established in 2007, AM Testing & Services, Inc. Is a small Punta Gorda, Florida-based Application Testing company. Their team focuses on Application Testing.
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UndisclosedUndisclosed50 - 249Newton, MA
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SiteSpect, Inc. Is an Application Testing company. The company is located in Newton, Massachusetts. Their services include Application Testing and Web Development.
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UndisclosedUndisclosed250 - 999Warminster, PA
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MVG | Microwave Vision Group is an IoT development and Application Testing company launched in 1986. Their services include IoT development and Application Testing.
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UndisclosedUndisclosed250 - 999Columbus, IN
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LHP Analytics & IoT is an Application Testing company. Their midsize team is headquartered in Columbus, Indiana. Their services include Application Testing and BI & big data consulting & SI.
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UndisclosedUndisclosed50 - 249Riviera Beach, FL
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Launched in 2004, Smart Structures is an Application Testing company. In Riviera Beach, Florida, the team focuses on Application Testing.
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UndisclosedUndisclosed10 - 49Noblesville, IN
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Launched in 2010, Tech365 is an Application Testing company. The agency provides Application Testing.
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UndisclosedUndisclosed2 - 9Ottawa, IL
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Stack Test Group is a small Application Testing company located in Ottawa, Illinois. The team focuses on Application Testing.
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UndisclosedUndisclosed10 - 49Austin, TX
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GD4 Test Services is an Application Testing company. Their team is based in Austin, Texas and Largo, Florida. The firm provides Application Testing.
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UndisclosedUndisclosed10 - 49Valley Stream, NY
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Corsult is a small Valley Stream, New York-based Application Testing company. Their services include Application Testing.
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UndisclosedUndisclosed50 - 249New Brunswick, NJ
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Avira Digital is an Application Testing company. Founded in 2018, their team focuses on Application Testing.
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UndisclosedUndisclosed50 - 249Burnsville, MN
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SWAT Solutions, Inc., an Application Testing company, was launched in 1997. The firm provides Application Testing, and is midsize.
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UndisclosedUndisclosed10 - 49Buffalo, NY
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BinduLogic is an Application Testing company established in 2021. Their team focuses on Application Testing.
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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
38.1/40.018.2/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
100% Application Testing -
UndisclosedUndisclosed250 - 999Mountain View, CA
Ability to deliver
36/40.016.4/20 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
31/40.015.4/20 Reviews9.8/10 Clients & Experience5.9/10 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 -
$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 -
$25,000+$50 - $99 / hr250 - 999Aventura, FL
Ability to deliver
39.3/40.019.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
10% Application Testing90% 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
35.4/40.017.4/20 Reviews8.4/10 Clients & Experience9.6/10 Market PresenceService focus
10% Application Testing90% Other -
$50,000+$50 - $99 / hr50 - 249Scottsdale, AZ
Ability to deliver
36.3/40.017.4/20 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 -
$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 -
$5,000+$50 - $99 / hr50 - 249Austin, TX
Ability to deliver
35/40.018.8/20 Reviews10/10 Clients & Experience6.2/10 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
20.8/40.016.8/20 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.