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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$50,000+Undisclosed1,000 - 9,999Irving, TX
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In Irving, Texas and Serilingampalle (M), India, Motivity Labs is a Cybersecurity company. The team offers Cybersecurity and Mobile App Development.
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UndisclosedUndisclosed50 - 249Las Vegas, NV
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CorePulse Technologies, a branding company, was established in 2016. The team offers Branding and Search Engine Optimization.
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$10,000+$100 - $149 / hr2 - 9Cornelius, NC
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ProformUX is an UX agency. Their small team of employees is located in Cornelius, North Carolina. Their team focuses on UX/UI Design and Business Consulting.
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$5,000+$25 - $49 / hr50 - 249Hanford, CA
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Acrosoft LLC is a web design agency. The company is in Hanford, California. Their services include Web Design and UX/UI Design.
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$5,000+$25 - $49 / hr50 - 249Chicago, IL
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Launched in 2016, QA Outsource is a midsize IT strategy consulting company. Their services include IT strategy consulting and IT managed services.
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UndisclosedUndisclosed10 - 49Las Vegas, NV
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Buguard is a Cybersecurity company. They were established in 2020, and their services include Cybersecurity and IT managed services.
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$10,000+Undisclosed10 - 49Atlanta, GA
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PurpleBox, Inc. Is a cloud consulting & SI company. The team specializes in cloud consulting & SI and Cybersecurity and is headquartered in Atlanta, Georgia.
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$5,000+$200 - $300 / hr10 - 49Denver, CO
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Redbot Security, a Cybersecurity company, is headquartered in Denver, Colorado. They specialize in Cybersecurity and cloud consulting & SI.
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$50,000+$25 - $49 / hr50 - 249New York, NY
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See all 9 projectsKualitatem Inc. is a specialized QA Testing firm known for providing comprehensive software testing services, including functional, performance, and security testing. Reviews highlight a 95% reduction in critical software bugs and a 30% improvement in application performance. Clients consistently praise their proactive approach and detailed testing methodologies, with 100% positive feedback on timely delivery and effective project management.
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UndisclosedUndisclosed1,000 - 9,999Houston, TX
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Kastech Software Solutions Group is an IT strategy consulting company. They focus on IT strategy consulting and cloud consulting & SI and are headquartered in Houston, Texas and Hyderabad, India.
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$1,000+Undisclosed50 - 249Washingtonville, NY
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Founded in 1993, Hudson Software is a call center service. Their services include Call Center Services and Application Testing.
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$1,000+Undisclosed10 - 49Lake Worth, FL
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ADA Site Compliance is a web design company established in 2017. The agency offers Web Design and Business Consulting, and is small.
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$1,000+$25 - $49 / hr50 - 249Los Angeles, CA
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Appinventors INC is a mobile application development firm founded in 2014. The team specializes in Mobile App Development and IT staff augmentation and is headquartered in Los Angeles, California.
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$10,000+$25 - $49 / hr50 - 249Pleasanton, CA
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12th Wonder is a cloud consulting & SI company founded in 2012. Based in Pleasanton, California, the team offers cloud consulting & SI and Mobile App Development.
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UndisclosedUndisclosed50 - 249Lake Mary, FL
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Launched in 2007, Integrass is an IT strategy consulting company. Their team specializes in IT strategy consulting and cloud consulting & SI.
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$1,000+< $25 / hr50 - 249Newark, DE
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Sysally is a cloud consulting & SI company in Newark, Delaware. Founded in 2018, the team focuses on cloud consulting & SI and IT managed services.
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UndisclosedUndisclosed50 - 249Palatine, IL
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Whiztekcorp is a software development firm launched in 2000. The agency specializes in Custom Software Development and cloud consulting & SI, and is midsize.
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$1,000+< $25 / hr50 - 249Wilmington, DE
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Based in Wilmington, Delaware, Glocal Accounting is a big data company. Established in 2007, the team specializes in BI & big data consulting & SI and Cybersecurity.
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$5,000+< $25 / hr50 - 249Framingham, MA
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Soltrix Technology Solutions, Inc., a Digital Strategy company, was founded in 2007. The team provides Digital Strategy and BI & big data consulting & SI and is in Framingham, Massachusetts.
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$5,000+$50 - $99 / hr50 - 249Moline, IL
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Founded in 2004, Genius Business Solutions is a midsize Moline, Illinois-based ERP consulting and SI company. Their team offers ERP consulting and SI and IT staff augmentation.
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UndisclosedUndisclosed250 - 999Kissimmee, FL
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BRISA America Corp is an Application Testing company. They provide Application Testing and Web Development and were launched in 1988. The company is headquartered in Kissimmee, Florida.
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UndisclosedUndisclosed250 - 999Englewood, CO
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Lerch Bates Inc., a midsize Architectural Design company, is based in Englewood, Colorado. Their services include Architectural Design and Logistics & Supply Chain Consulting.
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UndisclosedUndisclosed250 - 999Fremont, CA
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Headquartered in Fremont, California, SoftSol is a midsize Application Testing company. The team provides Application Testing and BI & big data consulting & SI.
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UndisclosedUndisclosed250 - 999San Francisco, CA
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Amplitude is a big data company founded in 2012. In San Francisco, California, the team offers BI & big data consulting & SI and Application Testing.
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$25,000+$100 - $149 / hr10 - 49Holmen, WI
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Three rivers tech is a software development company. Headquartered in Holmen, Wisconsin, the team provides Custom Software Development and Application Testing.
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$10,000+$150 - $199 / hr10 - 49Boulder, CO
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PickNik, an artificial intelligence company, offer Artificial Intelligence and Custom Software Development. They were established in 2015.
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$25,000+$150 - $199 / hr2 - 9Houston, TX
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See all 1 projectsRhymeCommerce specializes in enhancing B2B eCommerce user experiences by streamlining complex processes and improving customer satisfaction. According to reviews, RhymeCommerce adeptly simplified a pipe retailer's store, leading to fewer complaints and increased sales. Clients commend their expertise, responsiveness, and timely project management, with no areas noted for improvement, suggesting a strong alignment with client needs and values.
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$10,000+$50 - $99 / hr10 - 49Houston, TX
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HEXOLOGiE, LLC is a small Application Testing company headquartered in Houston, Texas. Their services include Application Testing and Custom Software Development.
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$10,000+Undisclosed50 - 249Austin, TX
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Phunware, Inc. Is a custom software development firm. Founded in 2009, the company is in Austin, Texas and. Their team specializes in Custom Software Development and Mobile App Development.
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$1,000+$150 - $199 / hr2 - 9Lake Orion, MI
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See all 3 projectsRedline Cyber Security specializes in Application Testing and Software Quality Assurance, providing penetration testing and security validation services. The company is praised for its innovative approach, identifying unique vulnerabilities that others miss, with 100% of reviewers noting their prompt delivery and exceptional quality in testing services. They consistently receive high ratings for their creative problem-solving and effective project management.
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$10,000+$25 - $49 / hr50 - 249Indianapolis, IN
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Established in 2012, ThiDiff Technologies is a midsize e-commerce development firm. Their team specializes in E-Commerce Development and Custom Software Development.
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$10,000+$200 - $300 / hr50 - 249Dover, DE
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Established in 2013, Malleum is a midsize Ottawa, Canada-based cloud consulting & SI company. Their services include cloud consulting & SI and Cybersecurity.
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$1,000+$50 - $99 / hr250 - 999Fremont, CA
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Elsner Store is a Fremont, California-based IT strategy consulting company. The team offers IT strategy consulting and Pay Per Click.
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$100,000+$25 - $49 / hr250 - 999Dallas, TX
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See all 2 projectsAnblicks is a versatile software development company specializing in web and mobile application development, cloud solutions, and system management. Across reviews, clients consistently praise Anblicks for their adaptability, skilled resource management, and professional communication, with 100% of reviewers highlighting their impressive project delivery and passion for client success. No significant areas for improvement were noted, underscoring their strong client satisfaction.
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$1,000+$150 - $199 / hr2 - 9Chicago, IL
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Parallactic Consulting is a website development company. Their small team is located in Chicago, Illinois and specializes in Web Development and Application Testing. The agency was founded in 2006.
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$1,000+< $25 / hr10 - 49San Jose, CA
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Converter Tools is a Direct Marketing company. Their small team of employees is headquartered in San Jose, California and Noida, India. Their team specializes in Direct Marketing and Market
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UndisclosedUndisclosed10 - 49Sugar Land, TX
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Thebestcustomboxes is a branding firm. Headquartered in Sugar Land, Texas, their small team provides Branding and Graphic Design. The firm was founded in 2019.
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$50,000+$50 - $99 / hr50 - 249Santa Cruz, CA
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CodeStringers is a midsize Santa Cruz, California-based AI development company. The team provides Artificial Intelligence and DevOps Managed Services.
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UndisclosedUndisclosed50 - 249Vienna, VA
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MicroHealth is a midsize IT managed services company. They focus on IT managed services and Application Testing and were founded in 2011.
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$1,000+$25 - $49 / hr10 - 49Milton, DE
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CodeFreaks is an application development company. Based in Milton, Delaware, the company was founded in 2021. Their team specializes in Mobile App Development and UX/UI Design.
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$25,000+Undisclosed10 - 49Sunrise, FL
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TKLABS, Inc. Is a custom software development firm founded in 2000. The team offers Custom Software Development and Web Development and is based in Sunrise, Florida.
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$5,000+$100 - $149 / hr250 - 999Irvine, CA
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PreludeSys is an Enterprise App Modernization company. The team is in Irvine, California and Chennai, India, and their services include Enterprise App Modernization and Artificial Intelligence.
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$1,000+$25 - $49 / hr10 - 49New York, NY
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See all 1 projectsSecSquad is a cybersecurity company specializing in comprehensive Application Testing and Software Quality Assurance services. They consistently receive positive feedback for their deep technical proficiency and structured delivery approach, with 100% of reviews highlighting their clear communication and tailored solutions. Clients particularly appreciate their pragmatic approach, bridging technical findings with strategic business context, and their commitment to knowledge transfer.
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$25,000+$150 - $199 / hr10 - 49Seattle, WA
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Elite Crest Technologies is a small AI firm established in 2011. Their team offers Artificial Intelligence and IoT development.
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$50,000+$50 - $99 / hr250 - 999San Diego, CA
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ArkusNexus is an IT staff augmentation company. In San Diego, California and Irvine, California, the company focuses on IT staff augmentation and Custom Software Development.
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UndisclosedUndisclosed2 - 9Austin, TX
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Established in 2021, uqality LLC is an Application Testing company. Their services include Application Testing and UX/UI Design.
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UndisclosedUndisclosed2 - 9San Jose, CA
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Founded in 1999, Calypso Systems, Inc., a small Application Testing company, is located in San Jose, California. Their services include Application Testing and BI & big data consulting & SI.
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UndisclosedUndisclosed2 - 9Fremont, CA
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Cordia Solutions is an Application Testing company. Launched in 2021, the team specializes in Application Testing and BI & big data consulting & SI.
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UndisclosedUndisclosed2 - 9New York, NY
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Conductrics INC is a small Application Testing company based in Austin, Texas and New York, New York. The team specializes in Application Testing and Artificial Intelligence.
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$10,000+$25 - $49 / hr50 - 249Sugar Land, TX
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CADILA GLOBAL is a graphic design agency. They are based in Sugar Land, Texas and have midsize team of experts. Their services include Graphic Design and Video Production.
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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.