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 - 49Flemington, NJ
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Test Performance Inc.,, a small Application Testing company, is located in Flemington, New Jersey. Their services include Application Testing.
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UndisclosedUndisclosed10 - 49Woodlawn, MD
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Established in 2019, ClustersTech, a small Application Testing company, is based in Woodlawn, Maryland. Their services include Application Testing.
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UndisclosedUndisclosed2 - 9Greenwich, CT
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Portfolio Science, Inc is an Application Testing company. The Greenwich, Connecticut-based company was founded in 2000. Their services include Application Testing.
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UndisclosedUndisclosed50 - 249Minneapolis, MN
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Midsize Application Testing company Elire Consulting, is headquartered in Minneapolis, Minnesota. Their services include Application Testing.
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UndisclosedUndisclosed2 - 9La Crescent, MN
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Chinmayi Technologies Inc. Is an Application Testing company. The La Crescent, Minnesota-based team focuses on Application Testing.
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UndisclosedUndisclosed2 - 9Bloomington, MN
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Small Application Testing company Seventh Catalyst, is in Bloomington, Minnesota. Their services include Application Testing.
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UndisclosedUndisclosed2 - 9Eagan, MN
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Application Testing company TechVision specializes in Application Testing. They are based in Eagan, Minnesota.
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UndisclosedUndisclosed2 - 9Eden Prairie, MN
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SmartLogic Info, LLC. Is a small Application Testing company in Eden Prairie, Minnesota. The team offers Application Testing.
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UndisclosedUndisclosed2 - 9Hopkins, MN
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Application Testing company Zefasys is located in Hopkins, Minnesota. Founded in 2012, the team offers Application Testing.
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UndisclosedUndisclosed10 - 49Chicago, IL
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DragonSpears, Inc. Is an Application Testing company. They are headquartered in Chicago, Illinois and have small team. They provide Application Testing.
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UndisclosedUndisclosed50 - 249Chicago, IL
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Silicon Valley Cloud IT, LLC is an Application Testing company founded in 2008. Their services include Application Testing.
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UndisclosedUndisclosed2 - 9Peoria, IL
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Orolo Software is a Peoria, Illinois-based Application Testing company. Their services include Application Testing.
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UndisclosedUndisclosed10 - 49Naperville, IL
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Agile Health Technologies Inc. Is an Application Testing company. Their small team of employees is in Naperville, Illinois. Their team focuses on Application Testing.
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UndisclosedUndisclosed10 - 49Naperville, IL
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Agile N2N is an Application Testing company. They provide Application Testing and are based in Naperville, Illinois.
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UndisclosedUndisclosed10 - 49Pinellas Park, FL
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Custom Manufacturing & Engineering, Inc. Is an Application Testing company. The team provides Application Testing and is headquartered in Pinellas Park, Florida.
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UndisclosedUndisclosed50 - 249Tampa, FL
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Founded in 1998, NetWolves is an Application Testing company. The agency provides Application Testing.
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UndisclosedUndisclosed50 - 249Tallahassee, FL
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Application Testing company Hayes is located in Tallahassee, Florida. The team offers Application Testing.
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UndisclosedUndisclosed10 - 49Rockledge, FL
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DragonPoint Software is an Application Testing company. They are based in Rockledge, Florida and have small team of experts. Their services include Application Testing.
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UndisclosedUndisclosed2 - 9Peoria, AZ
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SQA Labs Inc. Is an Application Testing company. The team specializes in Application Testing and is headquartered in Peoria, Arizona.
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UndisclosedUndisclosed50 - 249Columbus, OH
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Columbus Consulting is an Application Testing company in Columbus, Ohio. Their services include Application Testing.
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UndisclosedUndisclosed50 - 249Phoenix, AZ
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PhoenixNAP LLC, an Application Testing company, was established in 2009. The agency offers Application Testing, and is midsize.
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UndisclosedUndisclosed2 - 9Columbia, MD
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ALE Consultants is an Application Testing company. They are in Columbia, Maryland and have small team of experts. Their services include Application Testing.
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UndisclosedUndisclosed50 - 249Columbia, MD
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Established in 2013, C-HIT is a midsize Application Testing company. Their services include Application Testing.
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UndisclosedUndisclosed50 - 249Rochester, NY
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Headquartered in Rochester, New York, Mindex is an Application Testing company. The team provides Application Testing.
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UndisclosedUndisclosed50 - 249Wixom, MI
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Founded in 2002, V-cubed Solutions is an Application Testing company. Their services include Application Testing.
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UndisclosedUndisclosed50 - 249Houston, TX
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Launched in 2009, GenuineIT LLC is an Application Testing company. Their services include Application Testing.
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UndisclosedUndisclosed2 - 9Dallas, TX
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B Creative Software is a small Application Testing company in Dallas, Texas. Their services include Application Testing.
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$25,000+$100 - $149 / hr10 - 49Boulder, CO
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Boulder Engineering Studio is a Product Design company. Launched in 2010, their team provides Product Design and Custom Software Development.
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$1,000+< $25 / hr10 - 49Harper Woods, MI
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PR agency Clementine Live Answering Service focuses on Public Relations and Application Testing. They are headquartered in Harper Woods, Michigan and Chicago, Illinois.
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UndisclosedUndisclosed10 - 49Alexandria, VA
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Constant Advancement is a software development company. The Alexandria, Virginia-based firm was founded in 2008. Their team offers Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed10 - 49Atmore, AL
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Axis Consultant Group And Associates Llc, a software development firm, was launched in 2008. The team offers Custom Software Development and Business Consulting.
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UndisclosedUndisclosed10 - 49Frisco, TX
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Based in Frisco, Texas, Infosmart Systems, Inc. Is a software development firm. They provide Custom Software Development and Application Testing.
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UndisclosedUndisclosed10 - 49Oklahoma City, OK
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Rapid App Werks, a small user experience design agency, is in Oklahoma City, Oklahoma. The team specializes in UX/UI Design and BI & big data consulting & SI.
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UndisclosedUndisclosed10 - 49Evansville, IN
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A&A Custom Automation, Inc. Is an Application Testing company. They offer Application Testing and Logistics & Supply Chain Consulting and were established in 1989.
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UndisclosedUndisclosed10 - 49Austin, TX
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22 Technologies LLC is an IT staff augmentation company founded in 2013. Located in Austin, Texas and Wilmington, Delaware, the team offers IT staff augmentation and Artificial Intelligence.
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UndisclosedUndisclosed10 - 49Plymouth, MN
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Vajraasys is a cloud consulting & SI company. Their small team is in Plymouth, Minnesota. Their services include cloud consulting & SI and Mobile App Development.
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UndisclosedUndisclosed10 - 49Bellevue, WA
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Web design agency Adroit Business Solutions, Inc. Was launched in 2003. The firm provides Web Design and Mobile App Development.
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UndisclosedUndisclosed10 - 49Scottsdale, AZ
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UX design agency Afterman Software was founded in 2016. In Scottsdale, Arizona, the team focuses on UX/UI Design and BI & big data consulting & SI.
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UndisclosedUndisclosed10 - 49Leesburg, VA
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Founded in 2007, Solvitur Systems LLC is an IT strategy consulting company. Headquartered in Leesburg, Virginia, the team specializes in IT strategy consulting and Cybersecurity.
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UndisclosedUndisclosed10 - 49Fairfax, VA
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Assurit is a Cybersecurity company. The Fairfax, Virginia-based firm provides Cybersecurity and IT strategy consulting.
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UndisclosedUndisclosed10 - 49Kent, OH
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Young & Associates, Inc. Is a small Financial Advising & Planning company. They offer Financial Advising & Planning and Application Testing and were launched in 1978.
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UndisclosedUndisclosed10 - 49Milpitas, CA
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Crosslynx US LLC, a custom software development firm, is located in Milpitas, California. They offer Custom Software Development and Application Testing.
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UndisclosedUndisclosed10 - 49Newark, DE
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Cloudplus Information Technologies, an IT strategy consulting company, is based in Newark, Delaware and India. Their services include IT strategy consulting and IT managed services.
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UndisclosedUndisclosed10 - 49Montgomeryville, PA
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Compliance Consulting company Interactive Security is based in Montgomeryville, Pennsylvania. They offer Compliance Consulting and IT managed services.
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$5,000+$25 - $49 / hr10 - 49Sacramento, CA
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Small mobile app development company TechloSet, is located in Faisalabad, Pakistan and Sacramento, California. Their services include Mobile App Development and Custom Software Development.
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UndisclosedUndisclosed50 - 249New York, NY
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Founded in 2002, Coral Team is a software development company. Their services include Custom Software Development and Web Development.
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$1,000+< $25 / hr10 - 49Ashburn, VA
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See all 7 projectsYOHOsys is a company specializing in Application Testing and Software Quality Assurance, offering comprehensive development testing services. The reviews highlight an impressive 90% positive feedback, with frequent praise for their customer-centered approach and adaptability. Clients particularly commend their effective project management, timely deliveries, and attention to UI/UX design details. However, suggestions for improvements include expanded testing cycles and a more streamlined change management process.
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$10,000+$150 - $199 / hr1,000 - 9,999Fairfax, VA
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3Pillar is a software development firm. The Fairfax, Virginia-based agency provides Custom Software Development and Mobile App Development.
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$5,000+$25 - $49 / hr10 - 49Plano, TX
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Kalgisoft Technologies LLC is an app development firm. Founded in 2020, the team offers Mobile App Development and Web Development.
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$10,000+$50 - $99 / hr50 - 249San Mateo, CA
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See all 6 projectsG360Technologies is a Software Quality Assurance company proficient in App Testing and Software Testing services. They are praised for their expertise in security compliance and integration, with 100% positive feedback highlighting their effective project management and ability to enhance existing code and systems. Clients commend their understanding and adaptability in fulfilling project needs.
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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.