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 - 249New York, NY
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Ascent Business Technology Inc is a Cybersecurity company. The New York, New York-based firm was launched in 2013. Their services include Cybersecurity and IT managed services.
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UndisclosedUndisclosed50 - 249San Francisco, CA
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UrtheCast is a custom software development company. Located in Vancouver, Canada and San Francisco, California, the team focuses on Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9Atlanta, GA
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ITechEra Solution is a small Atlanta, Georgia-based social media marketing company. The team provides Social Media Marketing and Conversion Optimization.
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UndisclosedUndisclosed50 - 249Austin, TX
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Searchability is an user experience company. The Chester, England-based agency was launched in 2012. Their services include UX/UI Design and BI & big data consulting & SI.
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$5,000+$25 - $49 / hr250 - 999Detroit, MI
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See all 10 projectsrinf.tech is a company specializing in Software Development and Application Testing services. Reviews highlight a skilled and committed team that consistently meets deadlines and delivers on project milestones. Impressively, 100% of the feedback is positive, with no noted areas for improvement.
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UndisclosedUndisclosedFreelancerMarietta, GA
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Sandlin Consulting, LLC, a small software development firm, is headquartered in Marietta, Georgia. Their services include Custom Software Development and IT strategy consulting.
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UndisclosedUndisclosed250 - 999Pleasanton, CA
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CriticalRiver Inc. Is a cloud consulting & SI company founded in 2014. The team focuses on cloud consulting & SI and IT managed services and is in Pleasanton, California and Hyderabad, India.
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UndisclosedUndisclosed50 - 249San Jose, CA
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Testin Ltd. Is a Beijing, China-based Application Testing company. Launched in 2007, the team provides Application Testing and cloud consulting & SI.
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$50,000+$25 - $49 / hr250 - 999Palo Alto, CA
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See all 13 projectsInApp is a versatile software development company specializing in a range of services, including mobile app, enterprise software, and cloud-based solutions development. Overall, their clients commend them for their project management, responsiveness, and ability to meet client specifications, with approximately 90% of reviews highlighting effective communication and commitment to deadlines. While a few clients note the need for clearer initial timelines, InApp is often praised for their adaptability and dedication to client success.
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$5,000+$100 - $149 / hr2 - 9Jacksonville, FL
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Inverselogix is an IT managed services company. Founded in 2012, their team specializes in IT managed services and IT strategy consulting.
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UndisclosedUndisclosed2 - 9Skokie, IL
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Outdoor Impact, Inc. Is an Advertising company headquartered in Skokie, Illinois. They provide Advertising and Branding and were founded in 1993.
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UndisclosedUndisclosed2 - 9El Dorado Springs, MO
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ThreatBee is a data analytics company. Founded in 2020, their team provides BI & big data consulting & SI and Cybersecurity.
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UndisclosedUndisclosed2 - 9Syracuse, IN
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Otecon Technologies is a small social media marketing company in Syracuse, Indiana. Their services include Social Media Marketing and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9New York, NY
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Testing Blaze is a DevOps Managed Services company. They are located in New York, New York and have small team. Their services include DevOps Managed Services and API Development.
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UndisclosedUndisclosed2 - 9Apex, NC
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Launched in 2016, Daring Systems, a small IT strategy consulting company, is based in Apex, North Carolina. Their team specializes in IT strategy consulting and Business Consulting.
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UndisclosedUndisclosed2 - 9Arlington, VA
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Cyber Earth Solutions is a custom software development firm. Their team is based in Arlington, Virginia and offers Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Chester Springs, PA
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Prospect IT Solutions INC is a small Chester Springs, Pennsylvania-based social media marketing company. The team provides Social Media Marketing and Content Marketing.
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UndisclosedUndisclosed2 - 9Lee's Summit, MO
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Paladin Pursuit, Inc is a small custom software development company established in 2010. Their services include Custom Software Development and Branding.
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UndisclosedUndisclosed2 - 9New York, NY
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IT staff augmentation company Maretha Solutions was established in 2021. The firm provides IT staff augmentation and Digital Asset Management, and is small.
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UndisclosedUndisclosed2 - 9Phoenixville, PA
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ARZ NXT LLC, a small IoT development company, is located in Phoenixville, Pennsylvania. Their services include IoT development and IT strategy consulting.
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UndisclosedUndisclosed2 - 9Dacula, GA
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The Conversion Mill is a Conversion Optimization company founded in 2019. The small team offers Conversion Optimization and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Bellingham, WA
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Business Growth Management Solutions, LLC, a social media marketing firm, provide Social Media Marketing and Search Engine Optimization. They were established in 2015.
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UndisclosedUndisclosed2 - 9Smyrna, DE
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Based in Smyrna, Delaware, Pulsar Strategies, Inc. Is a small social media marketing agency. Their services include Social Media Marketing and Search Engine Optimization.
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UndisclosedUndisclosed250 - 999Atlanta, GA
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Parkar Digital is an UX design company. The team focuses on UX/UI Design and cloud consulting & SI and is based in Atlanta, Georgia and Dubai, United Arab Emirates.
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UndisclosedUndisclosed250 - 999Wilmington, DE
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Keylent Inc, a business intelligence company, was founded in 2010. The agency offers BI & big data consulting & SI and CRM consulting and SI, and is midsize.
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UndisclosedUndisclosed50 - 249St. Louis, MO
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CEdge Inc. Is a midsize IT strategy consulting company launched in 2004. Their team focuses on IT strategy consulting and cloud consulting & SI.
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UndisclosedUndisclosed10 - 49Dallas, TX
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Landingi is a small Gliwice, Poland-based Conversion Optimization company. The team specializes in Conversion Optimization and Artificial Intelligence.
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$25,000+$25 - $49 / hr250 - 999Cincinnati, OH
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See all 8 projectsITCube Solutions Pvt. Ltd. is a company specializing in Software Testing and Quality Assurance services. They provide dedicated testers proficient in manual and automated testing, achieving substantial improvements in app and shop release cycles. Feedback highlights their proficiency in Agile development and low staff turnover, with 100% of reviewers emphasizing their strong integration and effective communication. Some challenges included occasional infrastructure and networking issues.
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UndisclosedUndisclosed50 - 249San Jose, CA
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Mumba Technologies is an IT strategy consulting company. Launched in 2010, the team offers IT strategy consulting and BI & big data consulting & SI.
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UndisclosedUndisclosed50 - 249San Francisco, CA
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Uniform Systems, Inc. Is a CRM consulting and SI company. Based in San Francisco, California and Berlin, Germany, their team focuses on CRM consulting and SI and Custom Software Development.
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UndisclosedUndisclosed50 - 249Herndon, VA
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Founded in 2014, GRhombus Technologies Pvt. Ltd. Is a midsize Herndon, Virginia-based Application Testing company. Their services include Application Testing and IoT development.
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UndisclosedUndisclosed10 - 49Sunnyvale, CA
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360logica Software Testing Services is a Noida, India-based Application Testing company. The team provides Application Testing and Custom Software Development.
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$10,000+$25 - $49 / hr10 - 49San Francisco, CA
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MINDFLARES, a small Market Research company, is headquartered in Dubai, United Arab Emirates and Antelias, Lebanon. Their services include Market Research and UX/UI Design.
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UndisclosedUndisclosed250 - 999Arlington, VA
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Astegic, an user experience design agency, offer UX/UI Design and Application Testing. They were founded in 2003.
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UndisclosedUndisclosedFreelancerMesa, AZ
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Verde Tech Systems Inc. Is a Direct Marketing company. They are located in Mesa, Arizona and have small team. Their team specializes in Direct Marketing and UX/UI Design.
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UndisclosedUndisclosedFreelancerTampa, FL
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Creative Visual Designs, a branding firm, provide Branding and Search Engine Optimization. They were established in 2003.
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UndisclosedUndisclosedFreelancerOwings Mills, MD
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Valued Solutions Group, an IT managed services company, was founded in 2020. They specializes in IT managed services and IT staff augmentation.
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UndisclosedUndisclosedFreelancerPleasant Hill, OH
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Incline Digital LLC is an UX agency founded in 2004. The small team focuses on UX/UI Design and Custom Software Development.
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$5,000+$50 - $99 / hr50 - 249San Mateo, CA
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Based in San Mateo, California and Lucknow, India, STPL IT Solutions is a web design agency. They offer Web Design and UX/UI Design.
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UndisclosedUndisclosed50 - 249New York, NY
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SmashCloud is an user experience company. Their midsize team of employees is located in Toronto, Canada and Lahore, Pakistan. Their team offers UX/UI Design and Custom Software Development.
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UndisclosedUndisclosed50 - 249Wilmington, DE
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Launched in 2001, Chimera Technologies Pvt Ltd is an AI Agents company. The firm focuses on AI Agents and IT managed services.
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UndisclosedUndisclosed50 - 249Bedford, MA
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Custom software development firm Digit88 Technologies Private Limited was founded in 2014. The team offers Custom Software Development and Web Development.
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UndisclosedUndisclosed50 - 249Naperville, IL
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Based in Naperville, Illinois and Bengaluru, India, SOAIS is an Application Testing company. They offer Application Testing and IT staff augmentation and were established in 2006.
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UndisclosedUndisclosed50 - 249Orlando, FL
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Leo Technosoft is a web design agency based in Pune, India and Orlando, Florida. The team specializes in Web Design and Web Development.
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UndisclosedUndisclosed50 - 249San Jose, CA
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Established in 1980, Edvenswa Enterprises is a midsize mobile app development company. Their team offers Mobile App Development and Robotics Process Automation.
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UndisclosedUndisclosed50 - 249Saint Paul, MN
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Launched in 2006, Excel Nearshore is a midsize Saint Paul, Minnesota-based IT staff augmentation company. Their services include IT staff augmentation and Custom Software Development.
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UndisclosedUndisclosed50 - 249Dover, DE
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Established in 2011, Payatu is a Cybersecurity company. Headquartered in Pune, India and Dover, Delaware, the team focuses on Cybersecurity and cloud consulting & SI.
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UndisclosedUndisclosed1,000 - 9,999Santa Clara, CA
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ATMECS Global Inc is a Market Research company. They provide Market Research and BI & big data consulting & SI and were established in 2013.
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Undisclosed$25 - $49 / hr250 - 999Austin, TX
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Endeavour is a mobile app development company. Founded in 2002, their team focuses on Mobile App Development and Custom Software Development.
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UndisclosedUndisclosed10 - 49Plymouth, MN
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SurensInffotek is a Robotics Process Automation company founded in 2018. Based in Plymouth, Minnesota and Miyapur, India, the team focuses on Robotics Process Automation and Mobile App Development.
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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.