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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UndisclosedUndisclosed50 - 249Irvine, CA
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MSB Docs is an Irvine, California-based cloud consulting & SI company. The team offers cloud consulting & SI and Application Testing.
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$1,000+$25 - $49 / hr2 - 9Chicago, IL
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Application Testing company Outsourcing QA provides Application Testing. They were founded in 2019.
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UndisclosedUndisclosed250 - 999Princeton, NJ
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TestingWhiz, an Application Testing company, was established in 2011. Based in Princeton, New Jersey, the team specializes in Application Testing.
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UndisclosedUndisclosed1,000 - 9,999Kingston, WA
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Room 8 Group, an app development firm, was founded in 2011. They specializes in Mobile App Development and Custom Software Development.
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UndisclosedUndisclosed10 - 49Washington, DC
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Software development company Pathfinder Consultants is headquartered in Washington, District of Columbia. They provide Custom Software Development and Application Testing and were founded in 2010.
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UndisclosedUndisclosed10 - 49East Hartford, CT
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Telesis Data Solutions LLC, an Application Testing company, was established in 1997. The firm focuses on Application Testing and Robotics Process Automation.
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UndisclosedUndisclosed10 - 49Silver Spring, MD
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Inflectra is an IT managed services company in Silver Spring, Maryland. Their services include IT managed services and Application Testing.
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UndisclosedUndisclosed10 - 49Overland Park, KS
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Webcloud LLC is an app development company. Established in 2018, the agency provides Mobile App Development and Application Testing.
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UndisclosedUndisclosed10 - 49Rockwood, TX
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QA Test is an IT strategy consulting company. Their team is located in Rockwood, Texas and focuses on IT strategy consulting and Application Testing.
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UndisclosedUndisclosed10 - 49Plainville, CT
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Small Application Testing company Independent Materials Testing Laboratories Inc., is located in Plainville, Connecticut. The team focuses on Application Testing and Commercial Property Management.
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UndisclosedUndisclosed2 - 9Tampa, FL
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ElleApps is an app development firm. Founded in 2021, the company is headquartered in Tampa, Florida and Winnipeg, Canada. Their team specializes in Mobile App Development and Application Testing.
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UndisclosedUndisclosed2 - 9Bloomington, IL
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Small Application Testing company JVR Tech LLC, is headquartered in Bloomington, Illinois and Hollywood, Florida. Their services include Application Testing and cloud consulting & SI.
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UndisclosedUndisclosed2 - 9Herndon, VA
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TGG Tech Inc is an Application Testing company based in Herndon, Virginia. The team specializes in Application Testing and IT strategy consulting.
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UndisclosedUndisclosed2 - 9Simi Valley, CA
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Tieche Inc is an Application Testing company headquartered in Simi Valley, California. Established in 2011, the team specializes in Application Testing and Corporate Training & Coaching.
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UndisclosedUndisclosed2 - 9King of Prussia, PA
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Headquartered in King of Prussia, Pennsylvania, Clear Sky is an Application Testing company. They offer Application Testing and Corporate Training & Coaching.
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UndisclosedUndisclosed2 - 9Alpharetta, GA
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Small software development company Bright Idea Technology Solutions, is based in Alpharetta, Georgia. The team focuses on Custom Software Development and Application Testing.
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$1,000+< $25 / hr10 - 49Gilbert, AZ
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Founded in 2008, DarkWyvern LLC is a Market Research company. The firm provides Market Research and Search Engine Optimization.
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$10,000+$25 - $49 / hr10 - 49Fort Lauderdale, FL
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Codery, an IT staff augmentation company, is in Fort Lauderdale, Florida. They provide IT staff augmentation and Custom Software Development and were established in 2021.
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$1,000+$25 - $49 / hr10 - 49Chicago, IL
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CODEnt Pro is a web design agency. They specialize in Web Design and CRM consulting and SI and are headquartered in Chicago, Illinois.
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$1,000+$25 - $49 / hr10 - 49San Antonio, TX
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Elementech is a custom software development firm. The team is located in San Antonio, Texas, and their services include Custom Software Development and Web Development.
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UndisclosedUndisclosed10 - 49New York, NY
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Nimble Technologies is a New York, New York-based social media marketing agency. They provide Social Media Marketing and Content Marketing.
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$10,000+$25 - $49 / hr10 - 49New York, NY
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Bastion Research is a custom software development firm launched in 2018. The team focuses on Custom Software Development and Web Development.
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$5,000+Undisclosed10 - 49Rogers, AR
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CoreTrex is a small branding firm. They offer Branding and Media Planning & Buying and were launched in 2020.
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UndisclosedUndisclosed10 - 49Youngwood, PA
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Westmoreland Software is a custom software development firm based in Youngwood, Pennsylvania. They provide Custom Software Development and IT strategy consulting and were launched in 2023.
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$5,000+$50 - $99 / hr10 - 49San Francisco, CA
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Based in San Francisco, California, Surge Tech Partners is a mobile application development company. Their services include Mobile App Development and Web Development.
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Undisclosed$25 - $49 / hr10 - 49Rowland, NC
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Founded in 2018, Markhor IT Solutions is a small e-commerce development company in Rowland, North Carolina. Their team offers E-Commerce Development and Custom Software Development.
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$1,000+$25 - $49 / hr10 - 49Sugar Land, TX
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AI Agents company InnovaSynx is based in Sugar Land, Texas. Their services include AI Agents and API Development.
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$10,000+$50 - $99 / hr50 - 249Valrico, FL
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See all 1 projectsSoft Amass India is a technology solutions provider specializing in logistics and fleet management software development. Based on client feedback, the company demonstrates exceptional technical expertise and strong project management, delivering 100% operational and data accuracy. They have received 100% positive reviews, with clients praising their problem-solving mindset and ability to significantly improve process efficiency and operational visibility.
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Undisclosed< $25 / hr2 - 9St. Petersburg, FL
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See all 1 projectsStrategeon Softwares builds custom web applications, enterprise platforms, and business automation tools for US and UK businesses ready to scale beyond generic SaaS. Our clients typically replace
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$5,000+$150 - $199 / hr2 - 9Fremont, CA
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Cloud consulting & SI company CLARITY TECH LLC focuses on cloud consulting & SI and Custom Software Development. They were founded in 2022.
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$5,000+Undisclosed2 - 9New York, NY
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Headquartered in New York, New York, LatitudeBOX is a social media marketing agency. Established in 2020, the team provides Social Media Marketing and Content Marketing.
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UndisclosedUndisclosed2 - 9Irving, TX
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Established in 2016, MA Technologies is an IT strategy consulting company. The small team offers IT strategy consulting and BI & big data consulting & SI.
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UndisclosedUndisclosed2 - 9Tampa, FL
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PenguinFlow is a website development company. Founded in 2022, the team specializes in Web Development and Mobile App Development.
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$100,000+$200 - $300 / hr2 - 9Scottsdale, AZ
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Launched in 2014, Mynkis is an IT strategy consulting company. The agency offers IT strategy consulting and cloud consulting & SI.
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$25,000+$200 - $300 / hr2 - 9Irvine, CA
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Cybersecurity company GoatBytes.IO is located in Irvine, California. Their services include Cybersecurity and Mobile App Development.
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$1,000+$50 - $99 / hr2 - 9Mount Pleasant, SC
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MoreBytes is a website development company. They were established in 2022, and their services include Web Development and Custom Software Development.
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$5,000+$25 - $49 / hr2 - 9New York, NY
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Radisoft, a small website development firm, is based in New York, New York. The team specializes in Web Development and Mobile App Development.
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$1,000+$25 - $49 / hr2 - 9Barrington, IL
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Based in Barrington, Illinois, SD8. Software Development is an app development company. The team specializes in Mobile App Development and Web Development.
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Undisclosed$50 - $99 / hr2 - 9San Francisco, CA
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Founded in 2026, Exovara Labs LLC is a small San Francisco, California-based website development company. Their team specializes in Web Development and Custom Software Development.
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$1,000+$50 - $99 / hr2 - 9Cuyahoga Falls, OH
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GTStudios LLC is a SEO agency. Launched in 2007, the agency is based in Cuyahoga Falls, Ohio. Their services include Search Engine Optimization and Web Design.
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Undisclosed< $25 / hr2 - 9New York, NY
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TestTheTest is an Application Testing company. The team offers Application Testing, and the firm is based in New York, New York.
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UndisclosedUndisclosed50 - 249Livonia, MI
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Infoview Systems Inc. Is a Livonia, Michigan-based Application Testing company. Established in 1994, the team focuses on Application Testing.
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UndisclosedUndisclosed50 - 249Novi, MI
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Aara Tech is an Application Testing company based in Novi, Michigan and Chennai, India. Their services include Application Testing.
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UndisclosedUndisclosed10 - 49Farmington Hills, MI
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Dorleco is an Application Testing company launched in 2016. Their team specializes in Application Testing.
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$10,000+$50 - $99 / hr250 - 999Phoenix, AZ
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See all 4 projectsIntertec International is a technology services company specializing in staff augmentation for software development, with expertise in Java, .NET, and cloud solutions. Reviewers consistently praise their skilled talent and responsiveness, with 100% noting impressive project management. While initial candidate selection can be a challenge, Intertec International maintains strong customer focus and delivers timely, high-quality results across various industries.
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$25,000+$25 - $49 / hr250 - 999Claymont, DE
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See all 10 projectsBinmile is a comprehensive software development company specializing in app testing, QA testing, and software quality assurance services. The overall feedback from their reviews is overwhelmingly positive, with 100% of reviewers highlighting their timely delivery and effective communication. Notably, 75% of reviewers commend their rigorous QA testing and integration capabilities, which significantly enhance user engagement and business outcomes.
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UndisclosedUndisclosed2 - 9Coral Springs, FL
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Antidote Quality Assurance is a small software development firm in Coral Springs, Florida. The team focuses on Custom Software Development and Application Testing.
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UndisclosedUndisclosed10 - 49Denison, IA
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Professional Computer Systems is an Application Management & Support company. They were launched in 1981, and their services include Application Management & Support and Application Testing.
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UndisclosedUndisclosed10 - 49Woodworth, LA
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Ingalls Information Security is a Cybersecurity company. Their small team is in Woodworth, Louisiana. Their services include Cybersecurity and Application Testing.
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UndisclosedUndisclosed10 - 49Huntsville, AL
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Launched in 1979, System Dynamics International Incorporated S D I is a small software development company. Their services include Custom Software Development and Product Design.
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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.