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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UndisclosedUndisclosed10 - 49Norfolk, VA
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Small Application Testing company Remain Software, is located in Nieuwegein, Netherlands and Norfolk, Virginia. Their services include Application Testing.
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UndisclosedUndisclosed10 - 49Phoenix, AZ
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Electric Applications Incorporated is an Application Testing company. They are based in Phoenix, Arizona and have small team. Their team offers Application Testing.
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UndisclosedUndisclosed50 - 249Phoenix, AZ
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Application Testing company Humac Inc. Was founded in 2006. Located in Phoenix, Arizona and Kondapur, India, the team provides Application Testing.
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UndisclosedUndisclosed250 - 999Chicago, IL
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Hydro, Inc. Is an Application Testing company. Their midsize team is located in Chicago, Illinois. Their services include Application Testing.
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UndisclosedUndisclosed10 - 49San Jose, CA
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Innovative Circuits Engineering, Inc. Is an Application Testing company. The team provides Application Testing, and the firm is located in San Jose, California.
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UndisclosedUndisclosed10 - 49Washington, DC
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QA Valley, Inc. Is an Application Testing company. The small Washington, District of Columbia-based team offers Application Testing. The firm was launched in 2008.
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$25,000+$300+ / hr10 - 49Rockville, MD
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Flaws bug tech is an Application Testing company. The small Rockville, Maryland-based team provides Application Testing. The company was launched in 2010.
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$25,000+$50 - $99 / hr50 - 249North Miami, FL
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Midsize ERP consulting and SI company Talentus LLC, is located in North Miami, Florida and San Isidro, Peru. The team offers ERP consulting and SI and IT staff augmentation.
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$250,000+$50 - $99 / hr1,000 - 9,999Morrisville, NC
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Emergys Corporation is a big data analytics company launched in 1998. Located in Morrisville, North Carolina, the team offers BI & big data consulting & SI and Mobile App Development.
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$5,000+$25 - $49 / hr50 - 249Overland Park, KS
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See all 1 projectsTechnology Ally is an offshore software outsourcing company which focuses on building and maintaining web and mobile software solutions for small and medium sized businesses. Technology Ally
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$50,000+$100 - $149 / hr10 - 49Pittsburgh, PA
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Rivers Agile is an Application Testing company. The team provides Application Testing and Mobile App Development and is based in Pittsburgh, Pennsylvania.
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$10,000+$25 - $49 / hr50 - 249Columbia, MD
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Intersoft Data Labs is an Application Testing company founded in 2003. Located in Columbia, Maryland, the team provides Application Testing and IT staff augmentation.
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UndisclosedUndisclosed50 - 249Atlanta, GA
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Launched in 2011, Spiralyze is an Application Testing company. The team focuses on Application Testing and Web Design.
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UndisclosedUndisclosed10 - 49Herndon, VA
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Fasur Technologies is a Herndon, Virginia-based Application Testing company. They focus on Application Testing and ERP consulting and SI.
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UndisclosedUndisclosed10 - 49New York, NY
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BlazeMeter is an Application Testing company. The small New York, New York-based team provides Application Testing and DevOps Managed Services. The agency was established in 2011.
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$25,000+$50 - $99 / hr10 - 49Santa Monica, CA
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See all 2 projectsLaneways Software and Digital Pty Ltd is a multifaceted technology company specializing in web development, business analysis, and CRM consulting. Across their reviews, they are praised for their effective communication and high professionalism, with 100% positive feedback highlighting their ability to deliver projects on time and according to specifications. Clients appreciate their tailored approach and commitment to understanding project visions.
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$50,000+Undisclosed250 - 999Alpharetta, GA
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Based in Alpharetta, Georgia and Tampa, Florida, MDSi, Inc. Is a midsize cloud consulting & SI company. The team offers cloud consulting & SI and Application Testing.
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UndisclosedUndisclosed250 - 999San Francisco, CA
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TestMu AI is an AI Agents company. Founded in 2017, the company is headquartered in San Francisco, California and Noida, India. Their services include AI Agents and Application Testing.
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$1,000+$100 - $149 / hr10 - 49Bluemont, VA
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Auspex Labs Inc. Is an Application Testing and Compliance Consulting company. The team is based in Bluemont, Virginia, and their services include Application Testing and Compliance Consulting.
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$1,000+< $25 / hr1,000 - 9,999Bakersfield, CA
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See all 4 projectsQualimatrix Technologies Pvt Ltd is a company specializing in comprehensive software testing services, including App Testing, QA Testing, and Software Validation. With a strong emphasis on quality assurance, they have received overwhelmingly positive feedback, with reviewers highlighting their expertise, effective communication, and commitment to deadlines. Approximately 90% of reviewers appreciated their tailored testing approaches and proactive problem-solving skills.
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$5,000+$50 - $99 / hr2 - 9St. Petersburg, FL
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UltimateQA is an IT staff augmentation company. Established in 2015, the team offers IT staff augmentation and Application Testing.
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$10,000+$50 - $99 / hr10 - 49San Francisco, CA
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EchoUser is an user experience agency. They are headquartered in San Francisco, California and Washington, District of Columbia, and their services include UX/UI Design and Application Testing.
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$10,000+$150 - $199 / hr250 - 999Burlington, MA
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Veracode is a Cybersecurity company located in Burlington, Massachusetts and London, England. They focus on Cybersecurity and Application Testing and were established in 2006.
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UndisclosedUndisclosed250 - 999Huntsville, AL
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AI Signal Research Inc. (ASRI), an artificial intelligence firm, is located in Huntsville, Alabama. Launched in 1990, the team specializes in Artificial Intelligence and Application Testing.
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UndisclosedUndisclosed250 - 999Tampa, FL
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Established in 2004, Blue.cloud is an Application Testing company. The team focuses on Application Testing and cloud consulting & SI and is headquartered in Tampa, Florida and Schaumburg, Illinois.
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UndisclosedUndisclosed250 - 999Tampa, FL
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Launched in 2004, Bluenet is a midsize Tampa, Florida-based Application Testing company. Their services include Application Testing and IT managed services.
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$5,000+$25 - $49 / hr50 - 249Orlando, FL
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BCoder Castle, a midsize custom software development firm, is based in Orlando, Florida and Sahibzada Ajit Singh Nagar, India. The team provides Custom Software Development and Web Development.
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$10,000+$25 - $49 / hr50 - 249San Francisco, CA
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Founded in 2015, Bytex Technologies is a website development firm. Their services include Web Development and Enterprise App Modernization.
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$5,000+$25 - $49 / hr10 - 49Irwindale, CA
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See all 7 projectsProfSquad is a specialized company offering comprehensive Software Quality Assurance services, including App Testing and Development Testing. Over 90% of reviews highlight their expertise, timely delivery, and ability to significantly improve product reliability and user experience. They are praised for flexible service models and deep integration with client teams, with no substantial areas for improvement noted.
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UndisclosedUndisclosed50 - 249Overland Park, KS
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Sohum Systems LLC, a midsize Application Testing company, is in Overland Park, Kansas. The team focuses on Application Testing and Application Management & Support.
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UndisclosedUndisclosed50 - 249Cupertino, CA
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Softsmith is an Application Testing company in Cupertino, California. Their services include Application Testing and Custom Software Development.
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UndisclosedUndisclosed1,000 - 9,999Framingham, MA
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Applause is an Application Testing company based in Framingham, Massachusetts. Launched in 2007, the team offers Application Testing and UX/UI Design.
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$10,000+$150 - $199 / hr50 - 249San Antonio, TX
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Founded in 1999, Digital Defense, a midsize Cybersecurity company, is in San Antonio, Texas. Their services include Cybersecurity and Application Testing.
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Undisclosed$100 - $149 / hr2 - 9Delray Beach, FL
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Palmy Studio is a branding firm. Founded in 2024, the team focuses on Branding and Search Engine Optimization.
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UndisclosedUndisclosed250 - 999Herndon, VA
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Idexcel is a web development company. The company is located in Herndon, Virginia. Their team specializes in Web Development and Application Testing.
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UndisclosedUndisclosed10 - 49Mesa, AZ
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Compliance Testing is an Application Testing company in Mesa, Arizona. Established in 1963, the team focuses on Application Testing and Compliance Consulting.
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UndisclosedUndisclosed10 - 49San Jose, CA
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Solution Sources Programming, an Application Testing company, was launched in 1990. The small team provides Application Testing and Custom Software Development.
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UndisclosedUndisclosed10 - 49Minnetonka, MN
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Performetriks is a Minnetonka, Minnesota-based Application Testing company. Established in 2017, the team focuses on Application Testing and Custom Software Development.
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UndisclosedUndisclosed10 - 49Saratoga, CA
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Application Testing company ConformIQ is located in Saratoga, California. They focus on Application Testing and Artificial Intelligence.
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$100,000+$25 - $49 / hr250 - 999Boca Raton, FL
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SrinSoft Inc is a custom software development firm. Their team is based in Boca Raton, Florida and New York, New York and provides Custom Software Development and IT strategy consulting.
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$10,000+< $25 / hr250 - 999Woburn, MA
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Analytix IT Solutions, an IT managed services company, was launched in 2006. The company specializes in IT managed services and Application Testing, and is midsize.
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$10,000+$100 - $149 / hr50 - 249New Haven, CT
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SphereGen is a software development company. The team is in New Haven, Connecticut and Pune, India, and their services include Custom Software Development and AR/VR development.
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$5,000+< $25 / hr250 - 999Dallas, TX
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IoT development company Kemsys Technologies is based in Dallas, Texas. Launched in 2009, the team focuses on IoT development and Application Testing.
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$25,000+$100 - $149 / hr50 - 249Reston, VA
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In Reston, Virginia, TrustedQA, Inc. Is a midsize Other Application Development company. Their services include Other Application Development and Application Testing.
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$1,000+$50 - $99 / hr2 - 9Bothell, WA
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Small Application Testing company Autonomicsoft Solutions LLC, is located in Bothell, Washington. Their services include Application Testing and ERP consulting and SI.
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$10,000+$25 - $49 / hr50 - 249Chicago, IL
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Vaival Technologies is an user experience agency. The Chicago, Illinois-based team specializes in UX/UI Design and IT staff augmentation.
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$25,000+$50 - $99 / hr50 - 249Beverly Hills, CA
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Web design company Friflex is located in Beverly Hills, California. Their services include Web Design and UX/UI Design.
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UndisclosedUndisclosed50 - 249Ramsey, NJ
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See all 2 projectsUbertesters Inc. is a Software Quality Assurance company specializing in App Testing and QA Testing services. They receive overwhelmingly positive feedback, with 100% of clients praising their communication, flexibility, and ability to identify critical bugs; 95% of critical issues are resolved before release. Their comprehensive crowdtesting and real-world feedback significantly enhance app quality and reduce crash rates, leading to improved client satisfaction and faster release cycles.
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$5,000+$25 - $49 / hr10 - 49Wilmington, DE
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See all 2 projectsVinur Software offers comprehensive software testing services, including App Testing, QA Testing, and Software Testing, ensuring robust quality assurance for digital platforms. Their reviews highlight positive outcomes in project delivery, with a strong emphasis on timely execution and effective communication. Vinur Software is praised for their user-centric approach and affordability, making them a reliable partner for application development and testing needs.
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$1,000+$25 - $49 / hr50 - 249San Jose, CA
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App Wave INC is a web development firm. Founded in 2020, the team specializes in Web Development and Mobile App Development. The company is headquartered in San Jose, California.
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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.