Regression testing is essential for ensuring software updates don’t break existing features. In the USA, numerous QA firms specialize in this critical process. This article highlights the top regression testing companies known for their expertise, efficiency, and commitment to software quality. Whether you need manual or automated regression testing, these firms offer proven solutions tailored to your development cycle.
1. A-Listware
We are a software development and consulting team with a strong focus on quality assurance, and regression testing is a core part of that work. Our specialists design repeatable test suites that confirm new code integrates smoothly with existing functionality across web, mobile, and enterprise platforms. By combining manual checks with tailored automation scripts, we help product teams spot hidden defects early, shorten release cycles, and keep user experiences consistent.
Our regression testing practice is fully integrated with development workflows. We embed test engineers alongside developers, align test cases with sprint goals, and maintain detailed traceability from requirements to deployment. For projects that need additional scale, we assemble dedicated regression testing teams drawn from our U.S. talent pool, ensuring clear communication, streamlined hand-offs, and results that stay in sync with agile delivery.
Key Highlights:
- In-house and on-demand regression testing teams located in the USA
- Blend of manual and automated regression suites for web, mobile, and API layers
- Continuous feedback loops that link test outcomes to development backlogs
- Flexible engagement models that fit startup pilots or large enterprise programs
Services:
- Manual regression test case design and execution
- Automated regression suite development with popular open-source tools
- Continuous integration setup and maintenance for regression pipelines
- Test data management and environment configuration
- Reporting and defect triage aligned with agile ceremonies
Contact Information:
- Website: a-listware.com
- Email: info@a-listware.com
- Facebook: www.facebook.com/alistware
- LinkedIn: www.linkedin.com/company/a-listware
- Address: North Bergen, NJ 07047, USA
- Phone Number: +1 (888) 337 93 73
2. PixelQA
They conduct secure code reviews as part of their wider quality assurance practice in the United States. Review teams inspect source code with automated static analysis tools and targeted manual checks to uncover injection risks, insecure dependencies, and logic flaws. Findings are mapped to common coding standards so development teams can address issues without delay.
They align review tasks with each sprint and connect results to continuous integration workflows. Reports include reproducible evidence, risk ratings, and suggested fixes, helping product teams improve code health while keeping release schedules steady.
Key Highlights:
- Dedicated security testing specialists handle secure code review
- Combination of automated scans and manual inspection for balanced coverage
- Integration with CI pipelines for early feedback
- Clear remediation guidance attached to each finding
Services:
- Secure code review for web, mobile, and API projects
- Static application security testing
- Dynamic application security testing
- Threat modeling support for new features
- Regression security testing aligned with ongoing updates
Contact Information:
- Website: www.pixelqa.com
- E-mail: info@pixelqa.com
- Facebook: www.facebook.com/pixelqa.company
- Twitter: x.com/pixelqa_company
- LinkedIn: www.linkedin.com/company/pixel-qa
- Address: 14720 E., 44th St. S. Independence, MO, USA 64055
- Phone: +1 540 404 5858
3. QA Madness
They perform secure code reviews that fit into ongoing development cycles and regression testing efforts. Reviewers work with static analysis tools and line-by-line inspection to identify injection risks, insecure libraries, and logic flaws before release. Findings are traced back to coding standards so engineers can apply fixes without slowing the sprint flow.
They schedule reviews alongside regular builds and connect results to continuous integration pipelines. Reports include evidence, severity rankings, and clear remediation steps, helping teams improve code health while keeping delivery steady.
Key Highlights:
- Secure code reviews delivered by dedicated security testers
- Blend of automated scans and manual inspection for full coverage
- Integration with CI systems for timely feedback
- Issue reports mapped to industry coding standards
Services:
- Secure code review for web, mobile, and API projects
- Static application security testing
- Manual inspection of high-risk modules
- Security checks added to regression test suites
- Advisory on secure development practices
Contact Information:
- Website: www.qamadness.com
- E-mail: hello@qamadness.com
- Facebook: www.facebook.com/qa.madnesss
- Twitter: x.com/Qamadness
- LinkedIn: www.linkedin.com/company/qamadness
- Instagram: www.instagram.com/qa.madness
4. QAwerk
They carry out secure code reviews alongside broader regression and quality assurance work for U.S. clients. Reviewers combine automated static analysis with manual inspection to detect unsafe dependencies, injection risks, and logic errors introduced during feature changes or bug fixes. Results are tied to recognized coding standards, giving developers clear guidance for remediation while releases stay on schedule.
Their review activities align with sprint goals and integrate into continuous integration pipelines. Testers prioritize areas touched by recent commits, update regression suites, and deliver concise reports that rate risk and outline practical fixes. This flow helps product teams keep code bases secure without disrupting routine deployment cycles.
Key Highlights:
- Security reviewers embedded in regression testing sessions
- Mix of automated scans and manual checks for balanced coverage
- Findings tracked against common coding guidelines for clarity
- Feedback delivered through CI tools to speed up issue resolution
Services:
- Secure code review for web, mobile, and API layers
- Static application security testing integrated with CI pipelines
- Manual inspection of high-risk or newly modified modules
- Regression security testing tied to ongoing feature updates
- Advisory on secure development practices and remediation steps
Contact Information:
- Website: qawerk.com
- E-mail: sales@qawerk.com
- Facebook: www.facebook.com/QAwerk
- Twitter: x.com/qawerk
- LinkedIn: www.linkedin.com/company/qawerk
- Instagram: www.instagram.com/qawerk.testing
- Phone: +1 347 329 1444
5. TestMatick
They perform secure code reviews that sit alongside their broader regression testing work in the United States. Review engineers use static analysis tools and manual inspection to uncover insecure libraries, injection risks, and logic errors introduced during recent changes. Findings are matched to common coding rules so development teams can address issues without derailing release plans.
Their reviewers work inside the sprint cycle and connect results to continuous integration pipelines. Test cases focus on areas touched by new code, and reports include evidence, risk level, and clear remediation notes. This approach supports stable releases while keeping code health a visible part of day-to-day delivery.
Key Highlights:
- Security reviewers embedded in ongoing regression tests
- Combination of automated scans and manual checks for full coverage
- Risk-based focus on recently updated modules
- Results delivered through CI tools with clear fix guidance
Services:
- Secure code review for web, mobile, and API layers
- Static application security testing
- Manual inspection of high-risk components
- Security checks integrated into regression suites
- Advisory on secure coding and remediation steps
Contact Information:
- Website: testmatick.com
- E-mail: contact@testmatick.com
- Facebook: www.facebook.com/testmatick
- Twitter: x.com/testmatick
- LinkedIn: www.linkedin.com/company/testmatick
- Instagram: www.instagram.com/testmatick.team
- Address: 276 5th Ave Suite 704, New York, NY 10018
- Phone: +1 (212) 203-8264
6. ValueCoders
They provide secure code review as part of their quality assurance work for clients with teams in the USA. Review engineers study source code with static analysis tools and manual inspection to detect unsafe libraries, injection flaws, and business logic issues. Reviews are linked to coding standards so developers get direct guidance on how to improve security without delaying delivery.
Their process runs inside ongoing development cycles. Review tasks connect to CI pipelines and focus on recent commits and high-risk modules. Findings arrive in clear reports with steps for fixing the problems, helping product teams keep code bases reliable while releases move forward.
Key Highlights:
- Security reviewers work alongside development teams in the USA
- Mix of automated scans and manual checks for balanced coverage
- Results mapped to common coding standards for easier fixes
- Feedback delivered through CI tools for quick turnaround
Services:
- Secure code review for web, mobile, and API layers
- Static application security testing integrated into build pipelines
- Manual inspection of complex or high-risk components
- Regression-focused security testing after each update
- Advice on secure coding and remediation practices
Contact Information:
- Website: www.valuecoders.com
- E-mail: sales@valuecoders.com
- Facebook: www.facebook.com/ValueCoders
- Twitter: x.com/ValueCoders
- LinkedIn: www.linkedin.com/company/valuecoders
- Instagram: www.instagram.com/valuecodersofficial_
- Address: 5900 Balcones Drive, STE 100, Austin , TX 78731, USA
- Phone: +1 628 600 5055
7. CelticQA Solutions
They perform secure code reviews alongside their broader regression testing work for clients across the USA. Review engineers run static analysis tools and step through code by hand to surface injection flaws, unsafe dependencies, and logic errors that might slip past functional tests. Each finding is mapped to a clear coding rule so developers can patch issues without extra guesswork.
Their review process follows the same rhythm as sprint delivery. Testers focus on files touched by recent commits, feed results into CI dashboards, and update the regression suite to guard against repeat defects. This routine helps teams hold a steady release pace while keeping security risks low.
Key Highlights:
- Secure code review integrated with ongoing regression cycles
- Mix of automated scans and manual reading for balanced coverage
- Risk-based focus on recently changed or high-impact modules
- Findings reported through CI dashboards with clear remediation tips
Services:
- Secure code review for web, mobile, and API layers
- Static application security testing tied to build pipelines
- Manual inspection of complex or high-risk components
- Regression-aware security testing after each code update
- Advice on secure coding practices and fix validation
Contact Information:
- Website: celticqa.com
- E-mail: info@CelticQA.com
- LinkedIn: www.linkedin.com/company/celticqasolutionsus
- Address: 1720 Mars Hill Rd 8 201, Acworth, GA 30101, USA
8. DeviQA
They run secure code reviews in parallel with automated regression tests for clients across the USA. Security engineers pair static analysis with careful manual reading to catch injection flaws, unsafe dependencies, and logic errors that changes might introduce. Findings map to well known coding rules, giving developers clear steps that fit normal sprint timelines.
Reviews trigger inside the continuous integration flow whenever new commits land. The team filters code paths touched by recent work, updates regression suites, and posts concise reports that rank risk and outline fixes. This routine helps product teams ship updates quickly while keeping code health visible and actionable.
Key Highlights:
- Secure code reviews embedded in automated regression cycles
- Blend of static scans and manual inspection for balanced coverage
- Risk based focus on recently changed modules
- Feedback delivered through CI dashboards with clear fix advice
Services:
- Secure code review for web, mobile, and API layers
- Static application security testing linked to build pipelines
- Manual inspection of complex or high risk components
- Regression aware security testing after each update
- Advice on secure coding and remediation steps
Contact Information:
- Website: www.deviqa.com
- E-mail: info@deviqa.com
- Facebook: www.facebook.com/deviQASolutions
- LinkedIn: www.linkedin.com/company/deviqa
- Address: New York City 521 Fifth Ave
- Phone: +1 805 491 9331
9. Qentelli
They carry out secure code reviews that run alongside their regression testing work for U.S.-based development teams. Review engineers apply static analysis tools and manual reading to detect injection flaws, unsafe libraries, and logic errors that recent code changes may introduce. Each issue is linked to a clear coding rule so developers can fix problems without slowing their sprint.
Their process fits into continuous integration pipelines. Reviewers focus on files touched by recent commits, update regression suites to prevent repeat defects, and publish concise reports that rank risk and outline remediation steps. This routine helps teams keep releases steady while keeping code quality and security visible.
Key Highlights:
- Secure code reviews integrated with ongoing regression cycles
- Combination of automated scans and manual checks for balanced coverage
- Risk-based focus on newly changed or high-impact modules
- Findings delivered through CI dashboards with clear fix guidance
Services:
- Secure code review for web, mobile, and API layers
- Static application security testing tied to build pipelines
- Manual inspection of complex or high-risk components
- Regression-aware security testing after each update
- Advice on secure coding practices and remediation steps
Contact Information:
- Website: qentelli.com
- E-mail: info@qentelli.com
- Facebook: www.facebook.com/qentelli
- Twitter: x.com/qentelli
- LinkedIn: www.linkedin.com/company/qentelli
- Instagram: www.instagram.com/qentelli
- Address: 14241 Dallas Parkway, Suite 540, Dallas, Texas 75254
- Phone: (469) -210-2111
10. Jalasoft
They include secure code review in their quality assurance work for U.S. software teams. Review engineers pair automated static analysis with manual reading to spot injection flaws, unsafe dependencies, and logic errors introduced by recent changes. Each issue is tied to a clear coding rule, helping developers fix problems without slowing release cycles.
Reviews run inside continuous integration pipelines so feedback arrives as soon as code is committed. The team focuses on files touched by current work, updates regression suites to prevent repeat defects, and delivers concise reports that rank risk and outline remediation steps. This routine supports steady releases while keeping security risks visible.
Key Highlights:
- Secure code reviews integrated with development sprints
- Mix of automated scans and manual checks for balanced coverage
- Risk based focus on recently changed modules
- Findings shared through CI dashboards with clear fix guidance
Services:
- Secure code review for web, mobile, and API layers
- Static application security testing tied to build pipelines
- Manual inspection of complex or high risk components
- Regression aware security testing after each update
- Advice on secure coding and remediation steps
Contact Information:
- Website: www.jalasoft.com
- Facebook: www.facebook.com/JalasoftLatam
- LinkedIn: www.linkedin.com/company/jalasoft
- Instagram: www.instagram.com/jalasoft
- Phone: +1 (254) 284-7459
11. A1qa
They include secure code review in their wider regression testing practice for clients across the USA. Review engineers pair automated static analysis with line-by-line inspection to surface injection flaws, unsafe dependencies, and logic errors introduced by code changes. Each finding links back to a clear coding rule so developers can apply fixes without stepping out of the sprint flow.
Reviews run inside continuous integration pipelines and focus on files touched by the latest commits. Testers update regression suites to guard against repeat defects and provide concise reports that rank risk and outline remediation steps. This routine supports steady release schedules while keeping security risks visible.
Key Highlights:
- Secure code review embedded in routine regression runs
- Blend of automated scans and manual checks for balanced coverage
- Risk-based focus on recently changed or high-impact modules
- Findings delivered through CI dashboards with clear fix guidance
Services:
- Secure code review for web, mobile, and API layers
- Static application security testing tied to build pipelines
- Manual inspection of complex or high-risk components
- Regression-aware security testing after each update
- Advice on secure coding and remediation practices
Contact Information:
- Website: www.a1qa.com
- Facebook: www.facebook.com/a1qa.software.testing
- Twitter: x.com/a1qa_testing
- LinkedIn: www.linkedin.com/company/a1qa
- Address: 160 Clairemont Ave, Suite 200, Decatur, GA 30030
- Phone: +1 720 207 5122
12. BugRaptors
BugRaptors is a software quality assurance company with operations in both India and the United States. Their service portfolio includes a wide range of QA offerings, one of which is secure code review within broader regression and security testing workflows. While their core focus appears to be on regression testing, they integrate secure code review into their QA processes to help ensure code integrity and application security, especially when dealing with software updates and feature rollouts.
Their approach typically involves automated testing across multiple platforms, including integration into CI/CD pipelines, making secure code review part of a continuous quality process. This includes risk-based testing, performance impact analysis, and defect lifecycle management. While not exclusively focused on secure code review, BugRaptors supports secure development practices through thorough analysis, automation, and structured regression testing frameworks that help catch vulnerabilities early in the development lifecycle.
Key Highlights:
- Operates QA and testing services from the US and India
- Integrates secure code review within regression and automation testing workflows
- Focuses on CI/CD pipeline integration for ongoing software quality
- Offers legacy system testing and defect lifecycle management
- Utilizes automation to improve test speed and consistency
Services:
- Regression Testing
- Automation Testing
- Security Testing
- API Testing
- Manual Testing
- Performance Impact Analysis
- CI/CD Integration
- Defect Management and Root Cause Analysis
Contact Information:
- Website: www.bugraptors.com
- E-mail: info@bugraptors.com
- Facebook: www.facebook.com/BugRaptors
- Twitter: x.com/BugRaptors
- LinkedIn: www.linkedin.com/company/bug-raptors
- Instagram: www.instagram.com/bugraptors
- Address: 5858 Horton Street, Suite 101, Emeryville, CA 94608, United States
- Phone: +1 (510) 371-9104
13. Cigniti
Cigniti include secure code review as a routine part of their wider quality engineering practice in the United States. Their security specialists run static analysis tools and read code by hand to spot injection flaws, unsafe dependencies, and logic errors before a build moves to larger test stages. Reviews plug into the same pipelines that drive their automated regression suites, so feedback appears as soon as new commits land.
Workflows follow a risk-based plan that links test cases to business priorities. The team update regression packs after each review and share reports that rank issues and outline clear fixes. This keeps code health visible while releases stay on schedule.
Key Highlights:
- Secure code reviews integrated with continuous integration
- Mix of static scans and manual checks for balanced coverage
- Risk-based focus on modules touched by recent commits
- Findings shared in plain language with clear remediation steps
Services:
- Secure code review for web, mobile, and API layers
- Static application security testing tied to build pipelines
- Manual inspection of complex or high-risk components
- Regression-aware security testing after each update
- Guidance on secure coding and fix validation
Contact Information:
- Website: www.cigniti.com
- Facebook: www.facebook.com/cignititechnologies
- LinkedIn: www.linkedin.com/company/cigniti-inc
- Address: 433 E Las Colinas Blvd, Suite 1300, Irving, TX 75039
- Phone: +1 469 673 3443
14. Test IO
They combine crowd driven QA with secure code review to help U.S. product teams catch flaws that automated tools alone miss. Reviewers run static analysis on recent commits, then cross check findings against issues uncovered by real users exercising the application on diverse devices. This blend helps surface injection risks, insecure dependencies, and logic errors before releases move forward.
Secure code review tasks are scheduled inside each sprint and tied to the same cloud platform used for regression cycles. Testers rank issues by risk and attach screenshots or short clips that reproduce the problem, giving developers clear context and steps for remediation. Reports arrive through APIs or dashboards so teams can act without delay.
Key Highlights:
- Crowd based reviewers provide fresh perspectives on code security
- Static scans combined with hands on inspection for balanced coverage
- Feedback delivered through a cloud platform that fits CI workflows
- Risk ranked reports with reproducible evidence
Services:
- Secure code review for web, mobile, and API projects
- Static application security testing integrated into build pipelines
- Manual inspection of high risk modules flagged by crowd findings
- Security focused regression checks after every update
- Advisory on remediation and secure coding practices
Contact Information:
- Website: test.io
- Facebook: www.facebook.com/testiocommunity
- Twitter: x.com/_testio
- LinkedIn: www.linkedin.com/company/testio
Conclusion
Regression testing plays a critical role in ensuring software stability after updates or enhancements. In the United States, several companies provide specialized regression testing services that align with modern development practices such as Agile, DevOps, and Continuous Integration. These firms help organizations maintain quality while accelerating delivery cycles by identifying unintended side effects early in the development process.
When evaluating regression testing partners, it is important to consider factors such as methodology, industry experience, automation capabilities, and integration with existing workflows. Each company brings a unique combination of tools, expertise, and testing strategies tailored to different business needs. Selecting the right partner can make a measurable difference in software reliability and release confidence.
