Top Software Testing Companies in the United States
From Silicon Valley product teams to Austin startups and New York–based enterprises, the United States is a global hub for quality assurance and software testing. U.S. firms bring deep experience in regulated industries (healthcare, fintech, government) and modern practices like shift-left testing, CI/CD-driven automation, and secure-by-design workflows.
On Clutch, you’ll find verified U.S.-based QA partners with detailed client reviews, case studies, and industry certifications. Use filters to narrow by budget, hourly rate, team size, location, and domain expertise. Compare providers on tooling proficiency, device lab coverage, and measurable outcomes such as reduced defect leakage and faster release cycles. Browse these additional directories:
• Global Top Software Testing Companies
• Software Testing Companies in New York
• Software Testing Companies in Dallas
• Software Testing Companies in San Francisco
• U.S. Software Testing Companies for Information Technology
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Featured
What are Featured Providers?
$25,000+$25 - $49 / hr1,000 - 9,999Serves United StatesServices provided
See all 84 projectsSimform is a software development company specializing in App Testing, QA Testing, and comprehensive software testing services. Across numerous reviews, Simform is consistently praised for its excellent project management and timely delivery, with 90% of clients highlighting their responsiveness and commitment to quality. Additionally, 80% of reviewers commend their technical expertise and alignment with client values.
$5,000+Undisclosed50 - 249Serves United StatesServices provided
See all 60 projectsQA Wolf is a company specializing in Application Quality Assurance with a focus on automated testing services. Reviews highlight their exceptional integration into client teams, rapid response times, and high-quality test coverage, with over 80% of feedback being positive. Approximately 70% of clients commend their comprehensive handling of test lifecycles, from creation to maintenance, enhancing release confidence and efficiency.
$5,000+$25 - $49 / hr50 - 249Serves United StatesServices provided
See all 30 projectsQualityLogic is a distinguished provider of Application Testing and Software Quality Assurance services, offering comprehensive testing solutions such as QA Testing and Software Validation. Across numerous reviews, QualityLogic is praised for its professional communication, timely project delivery, and exceptional value for cost. Notably, 100% of reviewers commend their team’s expertise, communication, and commitment to quality, with no significant areas for improvement reported.
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UndisclosedUndisclosed50 - 249Austin, TX
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Launched in 2005, Excelencia is a cloud consulting & SI company. Located in London, England and Austin, Texas, the team provides cloud consulting & SI and ERP consulting and SI.
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UndisclosedUndisclosed50 - 249San Francisco, CA
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Publift is a Blackrock, Ireland-based Advertising company. Established in 2015, the team focuses on Advertising and Application Testing.
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$1,000+< $25 / hr50 - 249Lewes, DE
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Established in 2016, Venzo Technologies Private Limited is a midsize Chennai, India-based mobile app development firm. Their team offers Mobile App Development and Application Testing.
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$10,000+$25 - $49 / hr50 - 249Manhattan Beach, CA
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Exist Global is a software development firm. The agency is located in Pasig, Philippines and Manhattan Beach, California. Their services include Custom Software Development and Application Testing.
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$10,000+$150 - $199 / hr50 - 249New York, NY
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Headquartered in New York, New York and Paris, France, iHorse is a web design agency. Established in 2007, the team specializes in Web Design and Mobile App Development.
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UndisclosedUndisclosed50 - 249East Brunswick, NJ
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Sakshath Technologies is a data analytics company established in 2012. The team offers BI & big data consulting & SI and cloud consulting & SI.
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UndisclosedUndisclosed10 - 49Piscataway, NJ
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Established in 2015, Four Bends Pvt Ltd is a small Piscataway, New Jersey-based web design company. Their team provides Web Design and BI & big data consulting & SI.
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$1,000+< $25 / hr250 - 999New York, NY
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Qualitas Global is a midsize big data company headquartered in Pune, India and Frankfurt am Main, Germany. The team focuses on BI & big data consulting & SI and ECM consulting and SI.
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UndisclosedUndisclosed50 - 249Escondido, CA
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Prakat Solutions, a data analytics company, was established in 2009. The agency offers BI & big data consulting & SI and cloud consulting & SI.
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Undisclosed< $25 / hr50 - 249Cottonwood Heights, UT
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Founded in 2006, Sybrant Technologies is a social media marketing firm. The firm focuses on Social Media Marketing and Web Design, and is midsize.
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UndisclosedUndisclosed50 - 249Duluth, GA
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Sadup Softech, a web design company, was established in 2019. The team provides Web Design and UX/UI Design and is headquartered in Duluth, Georgia and Hyderabad, India.
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Undisclosed$200 - $300 / hr1,000 - 9,999Edison, NJ
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Nous Infosystems, an Application Testing company, was founded in 1996. The large team focuses on Application Testing and Custom Software Development.
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UndisclosedUndisclosed250 - 999Fremont, CA
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Founded in 2000, MicroGenesis Techsoft Pvt. Ltd. Is an IT managed services company. The team provides IT managed services and Robotics Process Automation.
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UndisclosedUndisclosed250 - 999Orlando, FL
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Simplify3X, a custom software development company, is based in Orlando, Florida and Bengaluru, India. Established in 2016, the team offers Custom Software Development and Application Testing.
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UndisclosedUndisclosed250 - 999San Francisco, CA
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AB Tasty is a midsize Conversion Optimization company. Founded in 2009, the team offers Conversion Optimization and Search Engine Optimization.
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UndisclosedUndisclosed50 - 249White Oak, MD
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Softsquare is a White Oak, Maryland-based CRM consulting and SI company. Established in 1998, the team focuses on CRM consulting and SI and Mobile App Development.
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UndisclosedUndisclosed50 - 249New York, NY
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Founded in 2010, Veridic Technologies Pvt Ltd is an application development company. The midsize team specializes in Mobile App Development and Enterprise App Modernization.
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UndisclosedUndisclosed250 - 999Plano, TX
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Payoda Technology Inc. Is a cloud consulting & SI company. Founded in 2005, the company provides cloud consulting & SI and Digital Strategy.
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UndisclosedUndisclosed50 - 249Boston, MA
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Rockville Technologies is a social media marketing agency. They are in Boston, Massachusetts and Islamabad, Pakistan. Their team focuses on Social Media Marketing and Content Marketing.
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$1,000+< $25 / hr10,000+El Segundo, CA
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Founded in 1999, FPT Software, a large Digital Strategy company, is in El Segundo, California and Hanoi, Vietnam. Their team focuses on Digital Strategy and cloud consulting & SI.
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UndisclosedUndisclosed250 - 999Dublin, CA
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Bhavna Corp. Is a Noida, India-based application development firm. Their services include Mobile App Development and DevOps Managed Services.
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List of the Top 15 United States QA Testers
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$5,000+Undisclosed50 - 249Seattle, WA
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
100% Application Testing -
$5,000+$25 - $49 / hr50 - 249Boise, ID
Ability to deliver
37.3/40.017.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
100% Application Testing -
$5,000+$25 - $49 / hr250 - 999Mountain View, CA
Ability to deliver
36.6/40.017/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
100% Application Testing -
$1,000+< $25 / hr250 - 999New York, NY
Ability to deliver
35.4/40.016/20 Reviews9.8/10 Clients & Experience9.6/10 Market PresenceService focus
100% Application Testing -
$1,000+$50 - $99 / hr50 - 249Boise, ID
Ability to deliver
31.2/40.016.4/20 Reviews8.6/10 Clients & Experience6.2/10 Market PresenceService focus
100% Application Testing -
$1,000+$50 - $99 / hr50 - 249Aurora, CO
Ability to deliver
30.4/40.016.2/20 Reviews8.3/10 Clients & Experience5.8/10 Market PresenceService focus
100% Application Testing -
$50,000+$50 - $99 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% Application Testing90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Application Testing90% Other -
$5,000+$25 - $49 / hr10 - 49Boulder, CO
Ability to deliver
30.4/40.014.8/20 Reviews9.8/10 Clients & Experience5.9/10 Market PresenceService focus
80% Application Testing20% Other -
$5,000+< $25 / hr250 - 999Sunnyvale, CA
Ability to deliver
27.1/40.018/20 Reviews1.6/10 Clients & Experience7.5/10 Market PresenceService focus
100% Application Testing -
$5,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
34.6/40.015.8/20 Reviews9/10 Clients & Experience9.8/10 Market PresenceService focus
20% Application Testing80% Other -
$10,000+$50 - $99 / hr50 - 249Lakewood, CO
Ability to deliver
38.4/40.018.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Application Testing90% Other -
$50,000+$25 - $49 / hr1,000 - 9,999Houston, TX
Ability to deliver
35.6/40.017.6/20 Reviews8.4/10 Clients & Experience9.6/10 Market PresenceService focus
10% Application Testing90% Other -
$10,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
35.1/40.016.8/20 Reviews10/10 Clients & Experience8.3/10 Market PresenceService focus
15% Application Testing85% Other -
$1,000+$150 - $199 / hr10 - 49Guys Mills, PA
Ability to deliver
29.4/40.016.2/20 Reviews5.7/10 Clients & Experience7.5/10 Market PresenceService focus
50% Application Testing50% Other -
$50,000+$50 - $99 / hr50 - 249Scottsdale, AZ
Ability to deliver
35.5/40.016.6/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
10% Application Testing90% Other -
$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
35.2/40.019/20 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 -
UndisclosedUndisclosed50 - 249Cookeville, TN
Ability to deliver
21.9/40.017/20 Reviews0/10 Clients & Experience4.9/10 Market PresenceService focus
100% Application Testing -
$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 -
$75,000+$150 - $199 / hr10 - 49Austin, TX
Ability to deliver
31.3/40.016.2/20 Reviews8.5/10 Clients & Experience6.6/10 Market PresenceService focus
25% Application Testing75% Other -
$250,000+$50 - $99 / hr250 - 999Austin, TX
Ability to deliver
30.8/40.016.2/20 Reviews8.2/10 Clients & Experience6.4/10 Market PresenceService focus
15% Application Testing85% Other -
$5,000+$25 - $49 / hr10 - 49New York, NY
Ability to deliver
21.2/40.017.2/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
100% Application Testing -
$5,000+$150 - $199 / hr10 - 49Portland, OR
Ability to deliver
30.8/40.015/20 Reviews8.5/10 Clients & Experience7.3/10 Market PresenceService focus
20% Application Testing80% Other -
$5,000+$150 - $199 / hr10 - 49San Francisco, CA
Ability to deliver
30.6/40.016.2/20 Reviews7.3/10 Clients & Experience7.2/10 Market PresenceService focus
20% Application Testing80% Other
U.S. Software Testing FAQs
U.S. testing partners offer proximity to major product and engineering hubs, making collaboration easier across time zones and in-person workshops. Many teams also understand domestic compliance requirements such as HIPAA, PCI DSS, SOX, COPPA, and accessibility standards (WCAG/ADA), which is critical for healthcare, fintech, public sector, and enterprise SaaS.
US agencies often staff senior SDETs and architects who can integrate automated testing into your DevOps toolchain (GitHub/GitLab/Jenkins/Azure DevOps), improve release velocity, and establish KPIs like defect escape rate, test coverage, MTTD/MTTR, and build health. If your roadmap depends on timely, compliant releases for North American users, a US-based QA partner can be a strategic multiplier.
Pricing varies because of factors like expertise, location, and scope. Based on Clutch’s recent data, most software testing companies in the United States charge:
- Hourly rates: typically $75 – $175 per hour for US-based QA engineers and SDETs; niche security or performance specialists may charge more.
- Monthly dedicated QA: $8,000 – $20,000+ per engineer for embedded team models.
- Project-based engagements: functional web/mobile testing often ranges from $25,000 – $150,000+, depending on complexity, environments, and automation depth.
- Ongoing QA programs: regression + automation maintenance may start around $5,000 – $25,000 per month for smaller products, scaling with release cadence and coverage goals.
Tip: Ask for a pilot sprint or paid discovery to validate tooling, coverage, and reporting before you commit to a longer-term plan.
U.S. QA and testing agencies commonly support a broad spectrum of industries and niches, including those from:
- Healthcare and health tech (HIPAA, FDA-adjacent validation, data privacy)
- Fintech, banking, and payments (PCI DSS, SOC 2, audit trails)
- SaaS and enterprise software (multi-tenant, role-based access, SSO)
- E-commerce and retail (peak load testing, conversions, ADA compliance)
- Media/streaming and gaming (cross-device compatibility, latency)
- Automotive, aerospace, and defense (safety, reliability, traceability)
- Public sector and education (FedRAMP-influenced controls, accessibility)
When assessing potential partners, look for sector-specific case studies and evidence of regulatory fluency.
Start by carefully outlining your project’s specific technical requirements and objectives. Then, browse through Clutch’s directories and evaluate your options on:
- Domain fit — experience in your industry’s risks and regulations.
- Test strategy — clear approaches across unit, API, UI, performance, security, and accessibility; evidence of a shift-left mindset.
- Tooling and labs — expertise with Selenium/Cypress/Playwright, Appium, Postman, JMeter/k6, BrowserStack/Sauce Labs, TestRail/Zephyr; real device coverage.
- DevOps integration — CI/CD automation, version control, and artifact management aligned with your stack.
- Reporting and KPIs — dashboards for defect leakage, coverage, flakiness, and time-to-release.
- Team model — embedded vs. outsourced software testing in the USA; onshore, nearshore, or hybrid support with defined handoffs.
- Proof — quantified case studies, references, and verified Clutch reviews.
Shortlist 3–5 firms, run a small pilot (2–4 weeks), and compare outputs: stability gains, test reliability, and collaboration quality.
- No written test strategy, unclear scope, or generic “we test everything” claims
- Overreliance on manual testing without a roadmap for automation where it makes sense
- Limited real-device coverage for mobile or a shallow browser/OS matrix
- Flaky tests and no remediation plan; ignoring test data and environment parity
- Vanity metrics (case counts) instead of meaningful KPIs (defect escape rate, coverage)
- Inability to integrate with your CI/CD tools or provide audit-ready reports
- Lack of familiarity with required standards (HIPAA, PCI DSS, SOC 2, WCAG/ADA)
- Poor knowledge transfer, no ownership of test assets, or missing documentation
Underestimating red flags can lead to regrets, headaches, and costly mishaps in the future. Be proactive when filtering your options and do your best to spot these warning signs early.