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
1,566 Companies
List of the Top United States QA Testers
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$25,000+$25 - $49 / hr1,000 - 9,999Serves United StatesServices provided
20% AI Development20% Cloud Consulting & SI10% CRM Consulting and SI +5 services10% Custom Software Development10% E-Commerce Development10% ERP Consulting and SI10% Enterprise App Modernization10% Mobile App DevelopmentSee 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.
3 of 3 reviews are 5 stars$50,000 – $199,999 avg. project costRead 3 Recent ReviewsReviewed 3 times in the past 6 months
Recent client feedback for Simform highlights their exceptional communication, responsiveness, and technical expertise. Clients have praised their timely delivery and ability to adapt to project needs, with one noting their proactive approach in identifying areas for improvement. Another client emphasized the company's structured project management and deep understanding of complex requirements. Overall sentiment is highly positive, with clients recommending Simform as a reliable and thoughtful partner for various digital development projects.Was this helpful?
12 of 13 Application Testing reviews are 5 stars$50,000 – $199,999 avg. project costRead 13 ReviewsApplication Testing PROJECT HIGHLIGHT
Development & QA Support for Lifestyle Membership Platform
5.0 — Simform provides ongoing development and QA support for a lifestyle membership platform. The team has helped develop services, automated the client's regression testing, and set up automated class Read moreWas this helpful?
Industry Experience
Simform has received favorable feedback across various industries. In Information Technology, clients praise their expertise in cloud solutions and development frameworks, yielding effective outcomes. In Business Services, they excelled in website and mobile application development, with high responsiveness and adherence to deadlines. Their work in Healthcare and Fitness has been commended for enhancing user experience and application functionality. Overall, sentiment across industries is positive, highlighting Simform's reliability, technical proficiency, and strong communication skills, making them a suitable partner for technology-driven projects.
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Utilities Financial services eCommerce Real estate Healthcare Logistics & Supply Chain Wellness & Fitness Agriculture Human Resources Media Other industries Consulting Advertising & marketing IT Services Nonprofit Construction Legal Arts, entertainment & music Gaming Food & Beverages Other Industry Education Consumer Products Fitness Software Business services Information technology Hospitality & leisureWas this helpful?
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$5,000+Undisclosed50 - 249Serves United StatesServices provided
100% Application TestingSee 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.
2 of 4 reviews are 5 stars3 new reviews for Application Testing services$50,000 – $199,999 avg. project costRead 4 Recent ReviewsReviewed 4 times in the past 6 months
In the last six months, client feedback for QA Wolf has been overwhelmingly positive, highlighting their exceptional communication, responsiveness, and ability to integrate seamlessly with client teams. Clients reported significant reductions in bugs and manual testing hours, with one noting the surfacing of 33 pre-existing bugs. Another emphasized QA Wolf's rapid test execution and project management efficiency. Overall, clients appreciate QA Wolf's commitment to quality and adaptability, with only minor suggestions for improved alignment during initial phases.Was this helpful?
44 of 58 Application Testing reviews are 5 stars4 new reviews for Application Testing in past 6 months$50,000 – $199,999 avg. project costRead 58 ReviewsApplication Testing PROJECT HIGHLIGHT
Application Testing for Financial Services Company
5.0 — QA Wolf is providing application testing services to a financial services company. The team defines and builds out the testing environment as well as runs and oversees the validation Read moreWas this helpful?
Industry Experience
QA Wolf has demonstrated strong expertise in various industries, notably Insurance, Telecommunications, Financial Services, and Education. Clients praised their ability to automate testing processes, resulting in significant reductions in bugs and improved release confidence. The Insurance industry feedback highlighted successful end-to-end testing, while Telecommunications clients noted enhanced automated test coverage. Overall sentiment reflects satisfaction across sectors, emphasizing QA Wolf's responsiveness and value, making them a suitable partner for organizations seeking reliable QA solutions.
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Other industries Gambling Manufacturing Arts, entertainment & music Automotive Advertising & marketing Education Healthcare Media Consulting eCommerce Information technology Logistics & Supply Chain Agriculture Software Telecommunications Financial services Engineering InsuranceWas this helpful?
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$5,000+$25 - $49 / hr50 - 249Serves United StatesServices provided
100% Application TestingSee 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.
Reviews mention Communicative
The overall sentiment regarding QualityLogic's communication is highly positive. Clients frequently commend their proactive communication style and responsiveness. For instance, one client noted, "They are awesome at communication and their presentation of the results," while another highlighted, "QualityLogic was a very collaborative, communicative partner who paid close attention to detail." Additionally, clients appreciated their flexibility and willingness to adapt to project needs, reinforcing their reputation as a communicative and dependable partner.-
Media Player QA Tests for Performance Marketing Company
5.0 Jul 24, 2024They communicated well with me during our projects. We had check-ins during the week and received emails at the end of each day. We were also in constant communication via Slack if there were any questions. They reported bugs on Jira. Thoroughly talk to QualityLogic about whether or not your project falls under their field of expertise. Align with them on expectations — ask for what you need, and they’re more than willing to be flexible.
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Application Testing & QA for Cybersecurity Company
5.0 Mar 15, 2024QualityLogic delivered work on time and on budget and communicated well with us. The test case creation was one sprint behind the current development sprint, as their team was very effective at maintaining the parity between new feature development and new test case creation. Moreover, whenever they needed to communicate significant changes in the time-and-materials fluctuation, they were forthright. As for communication tools, we used emails and Zoom meetings to communicate. We established a weekly cadence for check-ins and a daily cadence for communication between the team and the project manager. They were forthright whenever they needed to communicate significant changes in the time-and-materials fluctuation.
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Application Testing for Professional Services Organization
5.0 Feb 6, 2024QualityLogic met deadlines and supplied strong project management. We worked with them for an extended period of time and never had to worry about project management because Andrew worked with us for the entire duration of our engagement. Their team was communicative and responsive. We communicated through Microsoft Teams and email and used Jira for project management. Ensure they have access to the platform that you’re working out of so they can cross-communicate and collaborate. If you let them into your process fully, they will be more successful and effective.
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Manual QA Testing for Robotics Company
5.0 Sep 20, 2022QualityLogic was a very collaborative, communicative partner who paid close attention to detail. They were kind and dependable, which made the process easier for us. We had daily stand-ups via Google Meet and used Jira to manage the project. We also communicated via Slack. I was most impressed by their proactive communication style, reflected in the precision of their test cases. QualityLogic consistently followed up with us and took the initiative to loop in our developers as they saw fit. They were kind and dependable, which made the process easier for us.
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Application Testing for Consulting Company
5.0 Apr 5, 2022QualityLogic has been great in terms of project management. They’re self-sufficient and incredibly flexible in their ability to maneuver people to accommodate our needs. Their communication has also been fantastic, and they’re very comprehensive in their work. They join all of our meetings and provide detailed updates on their test cases and all of the bugs they’ve identified. I’m most impressed with QualityLogic’s expertise in pure testing. That, combined with their excellent communication and the breadth of what they can test, really stood out to us. Their communication has also been fantastic, and they’re very comprehensive in their work.
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20 of 22 Application Testing reviews are 5 stars1 new review for Application Testing in past 6 months$50,000 – $199,999 avg. project costRead 22 ReviewsApplication Testing PROJECT HIGHLIGHT
Application Testing & QA for Cybersecurity Company
5.0 — QualityLogic provided QA services for a cybersecurity company. Their work included creating automation tests, test cases, and test plans, as well as executing those test cases and plans as manual QA Read moreWas this helpful?
Industry Experience
QualityLogic has demonstrated its expertise across diverse industries including healthcare, advertising & marketing, information technology, and software development. Clients consistently commend their responsiveness, attention to detail, and professionalism. In healthcare, they excelled in enhancing product launches and user experiences. In the advertising sector, they ensured ADA compliance effectively. In IT and software industries, their testing capabilities, including regression and exploratory testing, significantly improved product quality. Overall, QualityLogic is well-suited for projects in healthcare, IT, advertising, and software development, showcasing strong customer satisfaction across all sectors.
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Healthcare Advertising & marketing Information technology Business services Legal Software Education Other Industry Arts, entertainment & music Consulting Transportation IT Services Financial services MediaWas this helpful?
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UndisclosedUndisclosed50 - 249Columbia, MD
Services provided
100% Application TestingEstablished in 2013, C-HIT is a midsize Application Testing company. Their services include Application Testing.
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UndisclosedUndisclosed50 - 249Rochester, NY
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100% Application TestingHeadquartered in Rochester, New York, Mindex is an Application Testing company. The team provides Application Testing.
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UndisclosedUndisclosed50 - 249Wixom, MI
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100% Application TestingFounded in 2002, V-cubed Solutions is an Application Testing company. Their services include Application Testing.
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UndisclosedUndisclosed50 - 249Houston, TX
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100% Application TestingLaunched in 2009, GenuineIT LLC is an Application Testing company. Their services include Application Testing.
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UndisclosedUndisclosed2 - 9Dallas, TX
Services provided
100% Application TestingB Creative Software is a small Application Testing company in Dallas, Texas. Their services include Application Testing.
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$25,000+$100 - $149 / hr10 - 49Boulder, CO
Services provided
25% Application Testing25% Custom Software Development25% Engineering +1 service25% Product DesignBoulder Engineering Studio is a Product Design company. Launched in 2010, their team provides Product Design and Custom Software Development.
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$1,000+< $25 / hr10 - 49Harper Woods, MI
Services provided
25% Application Testing25% Call Center Services25% Public Relations +1 service25% Sales OutsourcingPR agency Clementine Live Answering Service focuses on Public Relations and Application Testing. They are headquartered in Harper Woods, Michigan and Chicago, Illinois.
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UndisclosedUndisclosed10 - 49Alexandria, VA
Services provided
25% Application Testing25% Custom Software Development25% Mobile App Development +1 service25% Web DevelopmentConstant Advancement is a software development company. The Alexandria, Virginia-based firm was founded in 2008. Their team offers Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed10 - 49Atmore, AL
Services provided
25% Application Testing25% Business Consulting25% Custom Software Development +1 service25% Mobile App DevelopmentAxis Consultant Group And Associates Llc, a software development firm, was launched in 2008. The team offers Custom Software Development and Business Consulting.
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UndisclosedUndisclosed10 - 49Frisco, TX
Services provided
25% Application Testing75% Custom Software DevelopmentBased in Frisco, Texas, Infosmart Systems, Inc. Is a software development firm. They provide Custom Software Development and Application Testing.
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UndisclosedUndisclosed10 - 49Oklahoma City, OK
Services provided
25% Application Testing25% Cloud Consulting & SI25% UX/UI Design +2 services15% BI & Big Data Consulting & SI10% Low/No Code DevelopmentRapid App Werks, a small user experience design agency, is in Oklahoma City, Oklahoma. The team specializes in UX/UI Design and BI & big data consulting & SI.
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UndisclosedUndisclosed10 - 49Evansville, IN
Services provided
25% Application Testing25% Engineering25% Fabrication +1 service25% Logistics & Supply Chain ConsultingA&A Custom Automation, Inc. Is an Application Testing company. They offer Application Testing and Logistics & Supply Chain Consulting and were established in 1989.
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UndisclosedUndisclosed10 - 49Austin, TX
Services provided
25% Application Testing25% AI Development25% DevOps Managed Services +1 service25% IT Staff Augmentation22 Technologies LLC is an IT staff augmentation company founded in 2013. Located in Austin, Texas and Wilmington, Delaware, the team offers IT staff augmentation and Artificial Intelligence.
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UndisclosedUndisclosed10 - 49Plymouth, MN
Services provided
25% Application Testing25% Cloud Consulting & SI25% Mobile App Development +1 service25% StaffingVajraasys is a cloud consulting & SI company. Their small team is in Plymouth, Minnesota. Their services include cloud consulting & SI and Mobile App Development.
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UndisclosedUndisclosed10 - 49Bellevue, WA
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25% Application Testing25% Mobile App Development25% Staffing +1 service25% Web DesignWeb design agency Adroit Business Solutions, Inc. Was launched in 2003. The firm provides Web Design and Mobile App Development.
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UndisclosedUndisclosed10 - 49Scottsdale, AZ
Services provided
25% Application Testing25% BI & Big Data Consulting & SI25% Custom Software Development +1 service25% UX/UI DesignUX design agency Afterman Software was founded in 2016. In Scottsdale, Arizona, the team focuses on UX/UI Design and BI & big data consulting & SI.
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UndisclosedUndisclosed10 - 49Leesburg, VA
Services provided
25% Application Testing25% AI Development25% Cybersecurity +1 service25% IT Strategy ConsultingFounded in 2007, Solvitur Systems LLC is an IT strategy consulting company. Headquartered in Leesburg, Virginia, the team specializes in IT strategy consulting and Cybersecurity.
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UndisclosedUndisclosed10 - 49Fairfax, VA
Services provided
25% Application Testing50% Cybersecurity25% IT Strategy ConsultingAssurit is a Cybersecurity company. The Fairfax, Virginia-based firm provides Cybersecurity and IT strategy consulting.
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UndisclosedUndisclosed10 - 49Kent, OH
Services provided
25% Application Testing50% Financial Advising & Planning25% Business ConsultingYoung & Associates, Inc. Is a small Financial Advising & Planning company. They offer Financial Advising & Planning and Application Testing and were launched in 1978.
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UndisclosedUndisclosed10 - 49Milpitas, CA
Services provided
25% Application Testing25% Custom Software Development20% Cloud Consulting & SI +2 services15% AI Development15% IoT DevelopmentCrosslynx US LLC, a custom software development firm, is located in Milpitas, California. They offer Custom Software Development and Application Testing.
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UndisclosedUndisclosed10 - 49Newark, DE
Services provided
25% Application Testing25% IT Managed Services25% IT Staff Augmentation +1 service25% IT Strategy ConsultingCloudplus Information Technologies, an IT strategy consulting company, is based in Newark, Delaware and India. Their services include IT strategy consulting and IT managed services.
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UndisclosedUndisclosed10 - 49Montgomeryville, PA
Services provided
25% Application Testing30% Compliance Consulting25% IT Managed Services +1 service20% CybersecurityCompliance Consulting company Interactive Security is based in Montgomeryville, Pennsylvania. They offer Compliance Consulting and IT managed services.
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$5,000+$25 - $49 / hr10 - 49Sacramento, CA
Services provided
15% Application Testing30% Mobile App Development20% Custom Software Development +3 services20% Web Development10% E-Commerce Development5% AI DevelopmentSmall mobile app development company TechloSet, is located in Faisalabad, Pakistan and Sacramento, California. Their services include Mobile App Development and Custom Software Development.
Read moreSee All Locations (2)Sacramento, CA
717 K Street
Sacramento, CA 9581410 - 15
+1 916-822-7374
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UndisclosedUndisclosed50 - 249New York, NY
Services provided
15% Application Testing30% Custom Software Development20% Web Development +3 services15% CRM Consulting and SI10% Application Management & Support10% UX/UI DesignFounded in 2002, Coral Team is a software development company. Their services include Custom Software Development and Web Development.
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$1,000+< $25 / hr10 - 49Ashburn, VA
Services provided
10% Application Testing20% Application Management & Support20% Custom Software Development +3 services20% Cybersecurity20% Mobile App Development10% Web DesignSee all 7 projectsYOHOsys is a software development company specializing in comprehensive Application Testing services, including Software Quality Assurance and Application Quality Assurance. Reviews highlight their customer-centered approach, timely delivery, and responsiveness to project needs, with approximately 90% of feedback being positive. Clients appreciate their attention to detail in UI/UX design and adaptability in accommodating feature adjustments.
1 of 1 reviews is 5 starsUnknown avg. project costRead 1 Recent ReviewReviewed 1 time in the past 6 months
In the past six months, YOHOsys has received positive feedback for their effective project management and proactive communication. A CEO from Anzer praised their ability to automate quotation processes, stating that YOHOsys delivered on time and exceeded expectations with creative solutions. The project notably improved pricing accuracy and reduced quote turnaround time. Clients appreciate their alignment with company values and responsiveness, indicating a strong cultural fit and overall satisfaction.Was this helpful?
Industry Experience
YOHOsys has demonstrated expertise across various industries, including Fitness, Real Estate, Manufacturing, and Business Services. Clients highlight their strong project management, effective communication, and commitment to quality. In Fitness, feedback underscores their proficiency in app development for health and wellness. In Real Estate, they excelled in creating user-friendly applications that enhanced operational efficiency. Manufacturing clients appreciated their innovative AI solutions to streamline processes. Overall, YOHOsys is well-regarded for their responsiveness and adaptability, making them a suitable partner for diverse projects across these sectors.
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Fitness Wellness & Fitness Real estate Software Business services ManufacturingWas this helpful?
More responsive than most other service providers
Get in TouchYOHOsys is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.Was this helpful?
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$10,000+$150 - $199 / hr1,000 - 9,999Fairfax, VA
Services provided
10% Application Testing20% Custom Software Development20% Mobile App Development +5 services10% Application Management & Support10% BI & Big Data Consulting & SI10% Cloud Consulting & SI10% UX/UI Design10% Web Design3Pillar is a software development firm. The Fairfax, Virginia-based agency provides Custom Software Development and Mobile App Development.
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$5,000+$25 - $49 / hr10 - 49Plano, TX
Services provided
10% Application Testing35% Mobile App Development25% Web Development +3 services10% Application Management & Support10% Custom Software Development10% E-Commerce DevelopmentKalgisoft Technologies LLC is an app development firm. Founded in 2020, the team offers Mobile App Development and Web Development.
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$10,000+$50 - $99 / hr50 - 249San Mateo, CA
Services provided
15% Application Testing20% Custom Software Development20% Generative AI +4 services15% Application Management & Support10% E-Commerce Development10% Mobile App Development10% Web DevelopmentSee all 6 projectsG360Technologies is a software development and application quality assurance company specializing in security compliance and integration services. The reviews highlight their strong project management skills, with 100% positive feedback regarding their ability to understand and enhance existing code. Clients appreciate their proactive communication and seamless adaptation to evolving project needs.
Reviews mention Professional
Clients consistently praise G360Technologies for their professionalism and preparedness. One client highlighted their team's exceptional engagement and ability to troubleshoot challenges, stating, "G360Technologies is super professional and invested in obtaining a good result." Another noted their timely delivery and responsiveness, emphasizing the importance of arriving with clear expectations. Overall, the sentiment reflects a strong appreciation for G360Technologies' professional approach and commitment to successful project outcomes.-
Microsoft SQL Server Implementation for Logistics Supplier
5.0 Jun 14, 2024G360Technologies has delivered work on time and is responsive via phone and email. We have weekly meetings through Microsoft Teams to go over the project plan, deliverables, and pending tasks. The team is exceptionally professional and well-prepared. G360Technologies is super professional and invested in obtaining a good result, which has left a great impression on me and my team. I love working with G360Technologies because they know what they're doing, take on a challenge, and deliver. G360Technologies is a professional team, and my team is, too. We arrived with a set of parameters and expectations ready for the team to do their job.
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Industry Experience
G360Technologies has garnered positive feedback across various industries, including Information Technology, Business Services, Insurance, IT Services, and Supply Chain. Clients commend their expertise in IT consulting, software development, and project management. The overall sentiment is highly favorable, with notable strengths in tailoring solutions, enhancing operational efficiency, and maintaining clear communication. Their impact is especially pronounced in creating secure systems and ensuring compliance in regulated environments, making them an ideal choice for companies seeking robust technical support and innovative solutions.
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Information technology Business services Insurance IT Services Supply Chain, Logistics, and TransportWas this helpful?
More responsive than most other service providers
Get in TouchG360Technologies is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.Was this helpful?
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UndisclosedUndisclosed10 - 49Naperville, IL
Services provided
80% Application Testing20% DevOps Managed ServicesUtopia Solutions is an Application Testing company. Established in 1999, the team specializes in Application Testing and DevOps Managed Services.
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UndisclosedUndisclosed10 - 49Milpitas, CA
Services provided
80% Application Testing20% UX/UI DesignQatronix is an Application Testing company. They are headquartered in Milpitas, California and have small team. Their team offers Application Testing and UX/UI Design.
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$10,000+$150 - $199 / hr50 - 249Columbia, MD
Services provided
20% Application Testing50% Cybersecurity20% IT Strategy Consulting +1 service10% Cloud Consulting & SIAspect Security is a Columbia, Maryland-based Cybersecurity company. The team focuses on Cybersecurity and IT strategy consulting.
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$10,000+$150 - $199 / hr50 - 249Roswell, GA
Services provided
20% Application Testing30% Cloud Consulting & SI30% Cybersecurity +1 service20% IT Strategy ConsultingCore Security, a cloud consulting & SI company, was founded in 1996. The company provides cloud consulting & SI and Cybersecurity, and is midsize.
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UndisclosedUndisclosed50 - 249Provo, UT
Services provided
20% Application Testing20% Cloud Consulting & SI20% Custom Software Development +2 services20% Mobile App Development20% Social Media MarketingXirect Software Solutions, a custom software development firm, focuses on Custom Software Development and cloud consulting & SI. The firm is located in Provo, Utah.
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UndisclosedUndisclosed50 - 249Franklin, TN
Services provided
20% Application Testing20% Business Consulting20% Corporate Training & Coaching +3 services20% Staffing10% HR Outsourcing10% RecruitingFounded in 2008, Santa Rosa Consulting is a Corporate Training & Coaching company. The team offers Corporate Training & Coaching and Business Consulting and is based in Franklin, Tennessee.
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UndisclosedUndisclosed50 - 249Bellevue, NE
Services provided
20% Application Testing20% Application Management & Support20% Custom Software Development +2 services20% Enterprise App Modernization20% IT Managed ServicesCustom software development company Calvert Systems was established in 2003. The team specializes in Custom Software Development and Enterprise App Modernization and is in Bellevue, Nebraska.
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UndisclosedUndisclosed50 - 249Baltimore, MD
Services provided
20% Application Testing20% Cloud Consulting & SI20% Custom Software Development +2 services20% Cybersecurity20% Enterprise App ModernizationSparksoft Corporation is a software development company. They were launched in 2004, and their services include Custom Software Development and Enterprise App Modernization.
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UndisclosedUndisclosed50 - 249Norfolk, VA
Services provided
20% Application Testing20% AI Development20% Application Management & Support +2 services20% Business Consulting20% CybersecurityTQI Solutions Inc. Is an artificial intelligence company. Established in 2005, their team provides Artificial Intelligence and Application Management & Support.
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UndisclosedUndisclosed50 - 249Reston, VA
Services provided
20% Application Testing20% Custom Software Development20% Cybersecurity +2 services20% ERP Consulting and SI20% IT Managed ServicesElectrosoft Services, Inc., a custom software development company, was launched in 1997. They provides Custom Software Development and ERP consulting and SI.
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UndisclosedUndisclosed50 - 249Seattle, WA
Services provided
20% Application Testing20% Cloud Consulting & SI20% Custom Software Development +3 services20% IT Managed Services10% Low/No Code Development10% Web DesignFormidable is an IT managed services company. They are headquartered in Seattle, Washington and London, England. Their team specializes in IT managed services and Custom Software Development.
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UndisclosedUndisclosed50 - 249Austin, TX
Services provided
20% Application Testing20% BI & Big Data Consulting & SI20% Cybersecurity +3 services20% IT Managed Services10% ERP Consulting and SI10% Web DevelopmentSistema Technologies, Inc. Is a big data company established in 2002. Based in Austin, Texas and San Antonio, Texas, the team focuses on BI & big data consulting & SI and Cybersecurity.
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UndisclosedUndisclosed50 - 249Oakdale, MN
Services provided
20% Application Testing80% Business Valuation ServicesBusiness Valuation Services company Wilary Winn LLC was established in 2003. In Oakdale, Minnesota, the team focuses on Business Valuation Services and Application Testing.
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UndisclosedUndisclosed50 - 249McLean, VA
Services provided
20% Application Testing40% Custom Software Development20% AI Development +1 service20% IT Staff AugmentationFounded in 1999, Technology Ventures , a midsize software development firm, is based in McLean, Virginia. Their team specializes in Custom Software Development and IT staff augmentation.
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UndisclosedUndisclosed50 - 249Anaheim, CA
Services provided
20% Application Testing20% Cloud Consulting & SI20% Custom Software Development +2 services20% Mobile App Development20% Web DevelopmentUB Technology Innovations (UBTI) is a cloud consulting & SI company. The Anaheim, California-based team focuses on cloud consulting & SI and Custom Software Development.
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UndisclosedUndisclosed50 - 249Jersey City, NJ
Services provided
20% Application Testing20% BI & Big Data Consulting & SI20% Mobile App Development +4 services10% AI Development10% IT Staff Augmentation10% Recruitment Process Outsourcing10% Robotics Process AutomationHeadquartered in Brampton, Canada and Jersey City, New Jersey, Keasis is a big data company. Their services include BI & big data consulting & SI and Mobile App Development.
Read moreSee All Locations (2)Jersey City, NJ
81 Culver Ave
Jersey City, NJ 073056 - 9
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UndisclosedUndisclosed50 - 249San Jose, CA
Services provided
20% Application Testing20% Cloud Consulting & SI10% API Development +5 services10% BI & Big Data Consulting & SI10% CRM Consulting and SI10% Custom Software Development10% DevOps Managed Services10% Generative AIInfobahn Softworld Inc is a cloud consulting & SI company. The agency is based in Toronto, Canada and San Jose, California. Their team focuses on cloud consulting & SI and Application Testing.
Read moreSee All Locations (3)San Jose, CA
2010 N 1st St
San Jose, CA 9513131 - 40
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UndisclosedUndisclosed50 - 249Aurora, CO
Services provided
20% Application Testing20% BI & Big Data Consulting & SI20% Cloud Consulting & SI +3 services20% ERP Consulting and SI10% Recruitment Process Outsourcing10% Web DevelopmentKarmel Software Solutions Inc is a data analytics company. Their midsize team is based in Aurora, Colorado. Their team specializes in BI & big data consulting & SI and cloud consulting & SI.
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UndisclosedUndisclosed1,000 - 9,999Leawood, KS
Services provided
10% Application Testing10% AR/VR Development10% BI & Big Data Consulting & SI +7 services10% Cloud Consulting & SI10% DevOps Managed Services10% Digital Engineering10% Digital Strategy10% Generative AI10% IoT Development10% Robotics Process AutomationOTSI is a Digital Strategy company. Founded in 1999, the team focuses on Digital Strategy and BI & big data consulting & SI. The company is based in Leawood, Kansas.
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UndisclosedUndisclosed50 - 249Tampa, FL
Services provided
20% Application Testing20% Custom Software Development20% IT Staff Augmentation +2 services20% IT Strategy Consulting20% Mobile App DevelopmentFSTeck LLC is an IT strategy consulting company located in Tampa, Florida. The team focuses on IT strategy consulting and IT staff augmentation.
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UndisclosedUndisclosed50 - 249New York, NY
Services provided
20% Application Testing20% BI & Big Data Consulting & SI20% CRM Consulting and SI +3 services20% IT Staff Augmentation10% AI Development10% UX/UI DesignLinksoft Technologies is a midsize New York, New York-based business intelligence company. The team specializes in BI & big data consulting & SI and CRM consulting and SI.
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UndisclosedUndisclosed1,000 - 9,999Scottsdale, AZ
Services provided
10% Application Testing10% Cloud Consulting & SI10% Cybersecurity +9 services10% ECM Consulting and SI10% Generative AI10% IT Managed Services10% Insurance Services & Brokers10% UX/UI Design5% Blockchain5% Custom Software Development5% DevOps Managed Services5% IT Strategy ConsultingEncora Inc., an UX agency, was founded in 2005. The large team focuses on UX/UI Design and cloud consulting & SI.
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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.
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A Clutch Leaders Matrix provides a broad view of the top-performing companies in a particular service or location. Each company featured in a Leaders Matrix is evaluated based on Focus and Ability to Deliver. The size of each circle indicates that company’s size.
By using verified reviews, focused service details, and real project data, the Leaders Matrix highlights companies that consistently deliver and stand out from the rest. Each company’s position is based on how well they focus on a service area and how consistently they deliver results, helping you make informed, confident decisions. Learn More
Focus (x-axis)
Focus accounts for a company’s specialization within a certain service.
Ability to Deliver (y-axis)
Ability to Deliver considers three criteria:
- Client feedback and reviews
- Work experience and previous projects
- Market presence and reputation in the industry
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.
Get matched with the 5 best-fit agencies for your project—in 4 minutes or less.