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
-
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 Application Testing, QA Testing, and related services. The majority of their clients report positive experiences, highlighting Simform’s timely delivery, proactive communication, and commitment to success. Notably, 100% of reviewers praise Simform’s flexibility and technical expertise, while 80% appreciate their agile project management. Overall, Simform is recognized for its ability to adapt and deliver quality results promptly.
$5,000+Undisclosed50 - 249Serves United StatesServices provided
See all 60 projectsQA Wolf is a comprehensive software testing company specializing in Application Quality Assurance through end-to-end automated testing services. Their reviews highlight exceptional project management, rapid communication, and adaptability with over 95% of feedback being positive. Common themes include seamless integration into clients' workflows and consistently delivering on time, with 80% of reviewers mentioning their responsiveness and value for cost.
$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.
-
$5,000+$25 - $49 / hr10 - 49Murrieta, CA
Services provided
Launched in 2006, SYSTELLEX is a social media marketing company. The team offers Social Media Marketing and Search Engine Optimization.
Read more -
$1,000+< $25 / hr10 - 49Las Vegas, NV
Services provided
Conversion Optimization company It Work Solutions was established in 2020. The agency specializes in Conversion Optimization and Search Engine Optimization.
Read more -
$10,000+$50 - $99 / hr10 - 49Allen, TX
Services provided
Process Paramarsh Inc. Is a small IT staff augmentation company. Established in 2024, the team provides IT staff augmentation and ERP consulting and SI.
Read more -
$5,000+$25 - $49 / hr10 - 49Dallas, TX
Services provided
Squadron Technology Pvt Ltd is an IT managed services company launched in 2020. In Dallas, Texas and Ahmedabad, India, the team provides IT managed services and BI & big data consulting & SI.
Read more -
$1,000+$50 - $99 / hr2 - 9Dunwoody, GA
Services provided
Canopus Software Solutions, a custom software development firm, focuses on Custom Software Development and IoT development. The firm is located in Dunwoody, Georgia.
Read more -
$5,000+Undisclosed10 - 49Raleigh, NC
Services provided
Application Testing company MuukTest is located in Raleigh, North Carolina. They focus on Application Testing.
Read more -
UndisclosedUndisclosed250 - 999Brookfield, WI
Services provided
Excel Global Solutions, Inc. Is a business intelligence company. Launched in 2010, the company provides BI & big data consulting & SI and AR/VR development.
Read more -
UndisclosedUndisclosed250 - 999Santa Clara, CA
Services provided
Tech Firefly is a Content Moderation Services company. The Santa Clara, California-based agency was launched in 2016. Their team offers Content Moderation Services and Artificial Intelligence.
Read more -
UndisclosedUndisclosed250 - 999Chicago, IL
Services provided
VikingCloud is a midsize IT managed services company. They offer IT managed services and Application Testing and were launched in 1989.
Read more -
UndisclosedUndisclosed250 - 999Stonington, CT
Services provided
Founded in 2004, MResult, a midsize application development firm, is based in Stonington, Connecticut. Their team offers Mobile App Development and Artificial Intelligence.
Read more -
UndisclosedUndisclosed250 - 999Culver City, CA
Services provided
Custom software development firm Test Pro is located in Culver City, California. The team specializes in Custom Software Development and Application Testing.
Read more -
UndisclosedUndisclosed250 - 999Pittsburgh, PA
Services provided
COGENT Infotech, a midsize Application Testing company, is in Pittsburgh, Pennsylvania and Irving, Texas. The team offers Application Testing and Market Research.
Read more -
UndisclosedUndisclosed250 - 999Memphis, TN
Services provided
Launched in 1990, Cook Systems is an IT staff augmentation company. The midsize team offers IT staff augmentation and Application Testing.
Read more -
UndisclosedUndisclosed250 - 999Lombard, IL
Services provided
Located in Lombard, Illinois, Consulting Services Corporation is an IT strategy consulting company. They focus on IT strategy consulting and Application Testing.
Read more -
UndisclosedUndisclosed250 - 999Boca Raton, FL
Services provided
Arete is a Cybersecurity company launched in 2015. Their team offers Cybersecurity and IT managed services.
Read more -
UndisclosedUndisclosed250 - 999Santa Clara, CA
Services provided
EffOne is a custom software development firm based in Santa Clara, California. They focus on Custom Software Development and Application Testing.
Read more -
UndisclosedUndisclosed250 - 999Santa Clarita, CA
Services provided
KRG Technologies Inc. Is an Application Testing company. The Santa Clarita, California-based agency focuses on Application Testing and BI & big data consulting & SI.
Read more -
UndisclosedUndisclosed250 - 999Morrisville, NC
Services provided
IT People Corporation, a midsize UX agency, is based in Morrisville, North Carolina and Hyderabad, India. The team provides UX/UI Design and IT strategy consulting.
Read more -
UndisclosedUndisclosed250 - 999Springfield, IL
Services provided
Web development firm Synapsis Inc. Was founded in 2012. The team provides Web Development and IoT development.
Read more -
UndisclosedUndisclosed250 - 999Bridgman, MI
Services provided
Eagle Technologies is an Engineering company. The Bridgman, Michigan-based company provides Engineering and Robotics Process Automation.
Read more -
Undisclosed$50 - $99 / hr2 - 9San Diego, CA
Services provided
Hurrikan Logic is a small SEO company launched in 2013. Their services include Search Engine Optimization and UX/UI Design.
Read more -
$25,000+$100 - $149 / hr2 - 9Portland, OR
Services provided
FRE Studios is a Portland, Oregon-based software development firm. The team focuses on Custom Software Development and Web Development.
Read more -
UndisclosedUndisclosed50 - 249Redmond, WA
Services provided
Flexasoft is a software development company. The team provides Custom Software Development and Business Consulting and is located in Redmond, Washington.
Read more -
UndisclosedUndisclosed250 - 999Tempe, AZ
Services provided
Bishop Fox is a midsize Cybersecurity and Application Testing company launched in 2005. Their team provides Cybersecurity and Application Testing.
Read more -
$25,000+Undisclosed50 - 249Beverly Hills, CA
Services provided
See all 1 projectsAIM Tech AI offers HRIS software, custom integrations, and compliance and fraud detection solutions. Reviews highlight their reliability, technical expertise, and commitment to partnership, consistently delivering projects on time, often under budget. Clients commend their alignment with company values and honest communication throughout the project lifecycle.
-
UndisclosedUndisclosed50 - 249Lincoln, IL
Services provided
Established in 2023, The App Vortex is a website development company. The team offers Web Development and Mobile App Development.
Read more -
UndisclosedUndisclosed1,000 - 9,999Santa Clara, CA
Services provided
Apexon is a big data company. They are located in Santa Clara, California and have large team. Their services include BI & big data consulting & SI and IT managed services.
Read more -
UndisclosedUndisclosed50 - 249Denver, CO
Services provided
Launched in 2014, Kilduff Underground Engineering, Inc. Is a Commercial Development company. The team focuses on Commercial Development and Engineering.
Read more -
UndisclosedUndisclosed50 - 249Blythe, GA
Services provided
C4 Planning Solutions, LLC is an Application Testing company. The team offers Application Testing and Cybersecurity and is located in Blythe, Georgia.
Read more -
UndisclosedUndisclosed1,000 - 9,999Folsom, CA
Services provided
AgreeYa Solutions is a web design company. The team offers Web Design and UX/UI Design and is in Folsom, California.
Read more -
UndisclosedUndisclosed50 - 249Irvine, CA
Services provided
MSB Docs is an Irvine, California-based cloud consulting & SI company. The team offers cloud consulting & SI and Application Testing.
Read more -
$5,000+$25 - $49 / hr50 - 249New York, NY
Services provided
AppVerra is an app development company. The team offers Mobile App Development and Mobile & App Marketing, and the firm is based in New York, New York.
Read more -
$1,000+$25 - $49 / hr2 - 9Chicago, IL
Services provided
Application Testing company Outsourcing QA provides Application Testing. They were founded in 2019.
Read more -
UndisclosedUndisclosed250 - 999Princeton, NJ
Services provided
TestingWhiz, an Application Testing company, was established in 2011. Based in Princeton, New Jersey, the team specializes in Application Testing.
Read more -
UndisclosedUndisclosed1,000 - 9,999Kingston, WA
Services provided
Room 8 Group, an app development firm, was founded in 2011. They specializes in Mobile App Development and Custom Software Development.
Read more -
UndisclosedUndisclosed10 - 49Washington, DC
Services provided
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.
Read more -
UndisclosedUndisclosed10 - 49East Hartford, CT
Services provided
Telesis Data Solutions LLC, an Application Testing company, was established in 1997. The firm focuses on Application Testing and Robotics Process Automation.
Read more -
UndisclosedUndisclosed10 - 49Silver Spring, MD
Services provided
Inflectra is an IT managed services company in Silver Spring, Maryland. Their services include IT managed services and Application Testing.
Read more -
UndisclosedUndisclosed10 - 49Overland Park, KS
Services provided
Webcloud LLC is an app development company. Established in 2018, the agency provides Mobile App Development and Application Testing.
Read more -
UndisclosedUndisclosed10 - 49Rockwood, TX
Services provided
QA Test is an IT strategy consulting company. Their team is located in Rockwood, Texas and focuses on IT strategy consulting and Application Testing.
Read more -
UndisclosedUndisclosed10 - 49Plainville, CT
Services provided
Small Application Testing company Independent Materials Testing Laboratories Inc., is located in Plainville, Connecticut. The team focuses on Application Testing and Commercial Property Management.
Read more -
UndisclosedUndisclosed2 - 9Tampa, FL
Services provided
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.
Read more -
UndisclosedUndisclosed2 - 9Bloomington, IL
Services provided
Small Application Testing company JVR Tech LLC, is headquartered in Bloomington, Illinois and Hollywood, Florida. Their services include Application Testing and cloud consulting & SI.
Read more -
UndisclosedUndisclosed2 - 9Herndon, VA
Services provided
TGG Tech Inc is an Application Testing company based in Herndon, Virginia. The team specializes in Application Testing and IT strategy consulting.
Read more -
UndisclosedUndisclosed2 - 9Simi Valley, CA
Services provided
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.
Read more -
UndisclosedUndisclosed2 - 9King of Prussia, PA
Services provided
Headquartered in King of Prussia, Pennsylvania, Clear Sky is an Application Testing company. They offer Application Testing and Corporate Training & Coaching.
Read more -
UndisclosedUndisclosed2 - 9Alpharetta, GA
Services provided
Small software development company Bright Idea Technology Solutions, is based in Alpharetta, Georgia. The team focuses on Custom Software Development and Application Testing.
Read more -
$1,000+< $25 / hr10 - 49Gilbert, AZ
Services provided
Founded in 2008, DarkWyvern LLC is a Market Research company. The firm provides Market Research and Search Engine Optimization.
Read more -
$10,000+$25 - $49 / hr10 - 49Fort Lauderdale, FL
Services provided
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.
Read more -
$1,000+$25 - $49 / hr10 - 49Chicago, IL
Services provided
CODEnt Pro is a web design agency. They specialize in Web Design and CRM consulting and SI and are headquartered in Chicago, Illinois.
Read more
Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.
Get My Matches
Tell us what you need — we’ll match you with top agencies in minutes.
Get My MatchesWhy Trust Clutch
At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.
Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.
We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
- Comprehensive project details
- Market presence
- Portfolio examples and industry recognition
This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.
We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.
Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.
List of the Top 15 United States QA Testers
-
$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 -
$5,000+$50 - $99 / hr50 - 249Austin, TX
Ability to deliver
35.4/40.019.2/20 Reviews10/10 Clients & Experience6.2/10 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 -
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
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.