Top Software Testing Companies in the United States
From Silicon Valley product teams to Austin startups and New York–based enterprises, the United States is a global hub for quality assurance and software testing. U.S. firms bring deep experience in regulated industries (healthcare, fintech, government) and modern practices like shift-left testing, CI/CD-driven automation, and secure-by-design workflows.
On Clutch, you’ll find verified U.S.-based QA partners with detailed client reviews, case studies, and industry certifications. Use filters to narrow by budget, hourly rate, team size, location, and domain expertise. Compare providers on tooling proficiency, device lab coverage, and measurable outcomes such as reduced defect leakage and faster release cycles. Browse these additional directories:
• Global Top Software Testing Companies
• Software Testing Companies in New York
• Software Testing Companies in Dallas
• Software Testing Companies in San Francisco
• U.S. Software Testing Companies for Information Technology
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Featured
What are Featured Providers?
$25,000+$25 - $49 / hr1,000 - 9,999Serves United StatesServices provided
See all 84 projectsSimform is a software development company specializing in Application Testing, QA Testing, and related services. The majority of their clients report positive experiences, highlighting Simform’s timely delivery, proactive communication, and commitment to success. Notably, 100% of reviewers praise Simform’s flexibility and technical expertise, while 80% appreciate their agile project management. Overall, Simform is recognized for its ability to adapt and deliver quality results promptly.
$5,000+Undisclosed50 - 249Serves United StatesServices provided
See all 60 projectsQA Wolf is a comprehensive software testing company specializing in Application Quality Assurance through end-to-end automated testing services. Their reviews highlight exceptional project management, rapid communication, and adaptability with over 95% of feedback being positive. Common themes include seamless integration into clients' workflows and consistently delivering on time, with 80% of reviewers mentioning their responsiveness and value for cost.
$5,000+$25 - $49 / hr50 - 249Serves United StatesServices provided
See all 30 projectsQualityLogic is a distinguished provider of Application Testing and Software Quality Assurance services, offering comprehensive testing solutions such as QA Testing and Software Validation. Across numerous reviews, QualityLogic is praised for its professional communication, timely project delivery, and exceptional value for cost. Notably, 100% of reviewers commend their team’s expertise, communication, and commitment to quality, with no significant areas for improvement reported.
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UndisclosedUndisclosed50 - 249Cincinnati, OH
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Avo Automation is a Cincinnati, Ohio-based Application Testing company. They specialize in Application Testing.
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UndisclosedUndisclosed2 - 9Durham, NC
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Based in Durham, North Carolina, Web Performance Incorporated is an Application Testing company. Launched in 1999, the team focuses on Application Testing.
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UndisclosedUndisclosed2 - 9Palm Bay, FL
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PerfTestPlus, Inc. Is an Application Testing company headquartered in Palm Bay, Florida. Founded in 2005, the team provides Application Testing.
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UndisclosedUndisclosed2 - 9Round Rock, TX
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Located in Round Rock, Texas, Eqanim Tech LLC is a small Application Testing company. Their services include Application Testing.
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UndisclosedUndisclosed2 - 9Vienna, VA
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VolcanoTester is an Application Testing company. Located in Vienna, Virginia, the firm was launched in 2012. Their team provides Application Testing.
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UndisclosedUndisclosed2 - 9Ashburn, VA
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Qualifly is an Application Testing company. Based in Ashburn, Virginia, their team provides Application Testing.
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UndisclosedUndisclosed2 - 9Lewes, DE
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Small Application Testing company Hire Top QA, is based in Lewes, Delaware. The team provides Application Testing.
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UndisclosedUndisclosed2 - 9Waltham, MA
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NE-ONE, an Application Testing company, was launched in 2004. The agency provides Application Testing.
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UndisclosedUndisclosed50 - 249Boston, MA
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SumatoQA is an Application Testing company. The Boston, Massachusetts-based team focuses on Application Testing.
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UndisclosedUndisclosed2 - 9Fort Lauderdale, FL
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SpectrumTech is an Application Testing company launched in 2018. Their services include Application Testing.
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UndisclosedUndisclosed10 - 49Pasadena, CA
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3QC is an Application Testing company. Their team is headquartered in Pasadena, California and offers Application Testing.
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UndisclosedUndisclosed2 - 9Brisbane, CA
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Headquartered in Brisbane, California, Automated NSW is an Application Testing company. They specialize in Application Testing and were established in 2022.
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UndisclosedUndisclosed10 - 49San Francisco, CA
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ProdPerfect, a small Application Testing company, is headquartered in San Francisco, California. The team offers Application Testing.
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UndisclosedUndisclosed2 - 9Irvine, CA
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QA Camp is an Application Testing company. They were launched in 2018, and their services include Application Testing.
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UndisclosedUndisclosed10 - 49Austin, TX
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Ranorex is an Application Testing company headquartered in Austin, Texas. Launched in 2007, the team specializes in Application Testing.
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UndisclosedUndisclosed50 - 249Novi, MI
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Application Testing company KBTS Technologies, Inc. Is headquartered in Novi, Michigan. They offer Application Testing.
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UndisclosedUndisclosed50 - 249Livonia, MI
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Launched in 2011, IGS is an Application Testing company. Their services include Application Testing.
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UndisclosedUndisclosed50 - 249Wixom, MI
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Youngsoft, Inc. Is an Application Testing company. They offer Application Testing and were established in 1996. The agency is in Wixom, Michigan.
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UndisclosedUndisclosed50 - 249Bingham Farms, MI
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Cogent Integrated Business Solutions Inc. Is an Application Testing company launched in 2005. Their services include Application Testing.
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UndisclosedUndisclosed2 - 9Grand Rapids, MI
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Sena Infotech Inc., an Application Testing company, is located in Grand Rapids, Michigan. Their services include Application Testing.
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UndisclosedUndisclosed10 - 49Ridgewood, NJ
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Analyt Solutions is an Application Testing company. Based in Ridgewood, New Jersey, their small team provides Application Testing. The agency was launched in 2019.
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UndisclosedUndisclosed50 - 249Edison, NJ
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Avventis, Inc. Is an Application Testing company launched in 2011. Their team specializes in Application Testing.
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UndisclosedUndisclosed10 - 49Parsippany-Troy Hills, NJ
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Insyst, Inc. Is an Application Testing company founded in 1996. Based in Parsippany-Troy Hills, New Jersey, the team provides Application Testing.
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UndisclosedUndisclosed50 - 249Ridgewood, NJ
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Application Testing company Cognam Technologies focuses on Application Testing. They were founded in 2011.
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UndisclosedUndisclosed2 - 9Monroe Township, NJ
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Saan Technologies, Inc., a small Application Testing company, is based in Monroe Township, New Jersey. The team offers Application Testing.
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UndisclosedUndisclosed10 - 49Hillsborough Township, NJ
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Application Testing company Tek-Data specializes in Application Testing. They were established in 1999.
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UndisclosedUndisclosed2 - 9Edison, NJ
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Tech Wizard is a small Application Testing company. Founded in 2017, the team offers Application Testing.
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UndisclosedUndisclosed2 - 9Elkins Park, PA
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Perfbytes is an Application Testing company. Their small team is based in Elkins Park, Pennsylvania and focuses on Application Testing. The firm was launched in 2012.
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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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List of the Top 15 United States QA Testers
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$5,000+Undisclosed50 - 249Seattle, WA
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
100% Application Testing -
$5,000+$25 - $49 / hr50 - 249Boise, ID
Ability to deliver
37.3/40.017.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
100% Application Testing -
$5,000+$25 - $49 / hr250 - 999Mountain View, CA
Ability to deliver
36.6/40.017/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
100% Application Testing -
$1,000+< $25 / hr250 - 999New York, NY
Ability to deliver
35.4/40.016/20 Reviews9.8/10 Clients & Experience9.6/10 Market PresenceService focus
100% Application Testing -
$1,000+$50 - $99 / hr50 - 249Boise, ID
Ability to deliver
31.2/40.016.4/20 Reviews8.6/10 Clients & Experience6.2/10 Market PresenceService focus
100% Application Testing -
$1,000+$50 - $99 / hr50 - 249Aurora, CO
Ability to deliver
30.4/40.016.2/20 Reviews8.3/10 Clients & Experience5.8/10 Market PresenceService focus
100% Application Testing -
$50,000+$50 - $99 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% Application Testing90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Application Testing90% Other -
$5,000+$25 - $49 / hr10 - 49Boulder, CO
Ability to deliver
30.4/40.014.8/20 Reviews9.8/10 Clients & Experience5.9/10 Market PresenceService focus
80% Application Testing20% Other -
$5,000+< $25 / hr250 - 999Sunnyvale, CA
Ability to deliver
27.1/40.018/20 Reviews1.6/10 Clients & Experience7.5/10 Market PresenceService focus
100% Application Testing -
$5,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
34.6/40.015.8/20 Reviews9/10 Clients & Experience9.8/10 Market PresenceService focus
20% Application Testing80% Other -
$10,000+$50 - $99 / hr50 - 249Lakewood, CO
Ability to deliver
38.4/40.018.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Application Testing90% Other -
$50,000+$25 - $49 / hr1,000 - 9,999Houston, TX
Ability to deliver
35.6/40.017.6/20 Reviews8.4/10 Clients & Experience9.6/10 Market PresenceService focus
10% Application Testing90% Other -
$10,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
35.1/40.016.8/20 Reviews10/10 Clients & Experience8.3/10 Market PresenceService focus
15% Application Testing85% Other -
$1,000+$150 - $199 / hr10 - 49Guys Mills, PA
Ability to deliver
29.4/40.016.2/20 Reviews5.7/10 Clients & Experience7.5/10 Market PresenceService focus
50% Application Testing50% Other -
$50,000+$50 - $99 / hr50 - 249Scottsdale, AZ
Ability to deliver
35.5/40.016.6/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
10% Application Testing90% Other -
$5,000+$50 - $99 / hr50 - 249Austin, TX
Ability to deliver
35.4/40.019.2/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
10% Application Testing90% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Princeton, NJ
Ability to deliver
29.3/40.015.2/20 Reviews7.3/10 Clients & Experience6.8/10 Market PresenceService focus
20% Application Testing80% Other -
$10,000+$150 - $199 / hr10 - 49Chicago, IL
Ability to deliver
35.5/40.015.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Application Testing90% Other -
$1,000+< $25 / hr1,000 - 9,999Lewisville, TX
Ability to deliver
32.6/40.015.6/20 Reviews7.4/10 Clients & Experience9.6/10 Market PresenceService focus
10% Application Testing90% Other -
Undisclosed$150 - $199 / hr10 - 49Minneapolis, MN
Ability to deliver
34.6/40.016.8/20 Reviews10/10 Clients & Experience7.8/10 Market PresenceService focus
10% Application Testing90% Other -
$10,000+$25 - $49 / hr50 - 249McLean, VA
Ability to deliver
26.8/40.017.2/20 Reviews4.3/10 Clients & Experience5.3/10 Market PresenceService focus
45% Application Testing55% Other -
$10,000+$50 - $99 / hr10 - 49New York, NY
Ability to deliver
34.1/40.019.6/20 Reviews9/10 Clients & Experience5.5/10 Market PresenceService focus
10% Application Testing90% Other -
$25,000+$50 - $99 / hr250 - 999Plano, TX
Ability to deliver
32.6/40.015.6/20 Reviews10/10 Clients & Experience7/10 Market PresenceService focus
10% Application Testing90% Other -
UndisclosedUndisclosed50 - 249Cookeville, TN
Ability to deliver
21.5/40.016.6/20 Reviews0/10 Clients & Experience4.9/10 Market PresenceService focus
100% Application Testing -
$75,000+$150 - $199 / hr10 - 49Austin, TX
Ability to deliver
31.3/40.016.2/20 Reviews8.5/10 Clients & Experience6.6/10 Market PresenceService focus
25% Application Testing75% Other -
$250,000+$50 - $99 / hr250 - 999Austin, TX
Ability to deliver
30.8/40.016.2/20 Reviews8.2/10 Clients & Experience6.4/10 Market PresenceService focus
15% Application Testing85% Other -
$5,000+$25 - $49 / hr10 - 49New York, NY
Ability to deliver
21.2/40.017.2/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
100% Application Testing -
$5,000+$150 - $199 / hr10 - 49Portland, OR
Ability to deliver
30.8/40.015/20 Reviews8.5/10 Clients & Experience7.3/10 Market PresenceService focus
20% Application Testing80% Other -
$5,000+$150 - $199 / hr10 - 49San Francisco, CA
Ability to deliver
30.6/40.016.2/20 Reviews7.3/10 Clients & Experience7.2/10 Market PresenceService focus
20% Application Testing80% Other
U.S. Software Testing FAQs
U.S. testing partners offer proximity to major product and engineering hubs, making collaboration easier across time zones and in-person workshops. Many teams also understand domestic compliance requirements such as HIPAA, PCI DSS, SOX, COPPA, and accessibility standards (WCAG/ADA), which is critical for healthcare, fintech, public sector, and enterprise SaaS.
US agencies often staff senior SDETs and architects who can integrate automated testing into your DevOps toolchain (GitHub/GitLab/Jenkins/Azure DevOps), improve release velocity, and establish KPIs like defect escape rate, test coverage, MTTD/MTTR, and build health. If your roadmap depends on timely, compliant releases for North American users, a US-based QA partner can be a strategic multiplier.
Pricing varies because of factors like expertise, location, and scope. Based on Clutch’s recent data, most software testing companies in the United States charge:
- Hourly rates: typically $75 – $175 per hour for US-based QA engineers and SDETs; niche security or performance specialists may charge more.
- Monthly dedicated QA: $8,000 – $20,000+ per engineer for embedded team models.
- Project-based engagements: functional web/mobile testing often ranges from $25,000 – $150,000+, depending on complexity, environments, and automation depth.
- Ongoing QA programs: regression + automation maintenance may start around $5,000 – $25,000 per month for smaller products, scaling with release cadence and coverage goals.
Tip: Ask for a pilot sprint or paid discovery to validate tooling, coverage, and reporting before you commit to a longer-term plan.
U.S. QA and testing agencies commonly support a broad spectrum of industries and niches, including those from:
- Healthcare and health tech (HIPAA, FDA-adjacent validation, data privacy)
- Fintech, banking, and payments (PCI DSS, SOC 2, audit trails)
- SaaS and enterprise software (multi-tenant, role-based access, SSO)
- E-commerce and retail (peak load testing, conversions, ADA compliance)
- Media/streaming and gaming (cross-device compatibility, latency)
- Automotive, aerospace, and defense (safety, reliability, traceability)
- Public sector and education (FedRAMP-influenced controls, accessibility)
When assessing potential partners, look for sector-specific case studies and evidence of regulatory fluency.
Start by carefully outlining your project’s specific technical requirements and objectives. Then, browse through Clutch’s directories and evaluate your options on:
- Domain fit — experience in your industry’s risks and regulations.
- Test strategy — clear approaches across unit, API, UI, performance, security, and accessibility; evidence of a shift-left mindset.
- Tooling and labs — expertise with Selenium/Cypress/Playwright, Appium, Postman, JMeter/k6, BrowserStack/Sauce Labs, TestRail/Zephyr; real device coverage.
- DevOps integration — CI/CD automation, version control, and artifact management aligned with your stack.
- Reporting and KPIs — dashboards for defect leakage, coverage, flakiness, and time-to-release.
- Team model — embedded vs. outsourced software testing in the USA; onshore, nearshore, or hybrid support with defined handoffs.
- Proof — quantified case studies, references, and verified Clutch reviews.
Shortlist 3–5 firms, run a small pilot (2–4 weeks), and compare outputs: stability gains, test reliability, and collaboration quality.
- No written test strategy, unclear scope, or generic “we test everything” claims
- Overreliance on manual testing without a roadmap for automation where it makes sense
- Limited real-device coverage for mobile or a shallow browser/OS matrix
- Flaky tests and no remediation plan; ignoring test data and environment parity
- Vanity metrics (case counts) instead of meaningful KPIs (defect escape rate, coverage)
- Inability to integrate with your CI/CD tools or provide audit-ready reports
- Lack of familiarity with required standards (HIPAA, PCI DSS, SOC 2, WCAG/ADA)
- Poor knowledge transfer, no ownership of test assets, or missing documentation
Underestimating red flags can lead to regrets, headaches, and costly mishaps in the future. Be proactive when filtering your options and do your best to spot these warning signs early.