How many QA and Testing agencies are in United States?

47 are listed on Agency List in United States. 3 of them have been assessed on the Agency List Score as of September 2026.

Which QA and Testing agency in United States is ranked highest?

Cerebruminfotech, with an Agency List Score of 73.4, ranks #1 of 3 assessed agencies in QA and Testing in United States.

Why are 44 QA and Testing agencies listed here but not ranked?

44 of the 47 listed have not yet been assessed on the Agency List Score. They each have a profile and are listed below the ranking, alphabetically, rather than being hidden or mixed into it.

How is the ranking determined?

By Agency List Score, within the QA and Testing in United States cohort of 3 assessed agencies. The score is computed from evidence published on each agency's own website: named clients, quantified outcomes, and whether the outcome is attributed to the agency. Paid placement does not affect it.

Top QA and Testing Agencies in United States

Ranked · 3 assessed

Ordered by Agency List Score

#1 of 3 assessed

Cerebruminfotech

Verified

Building iOS, Android, and cross-platform apps with cloud architecture and QA automation

Automated TestingMobile App Testing

View profile

#2 of 3 assessed

CodeEpsilon- Software Development

Verified

Content and PPC services for inbound lead capture and search visibility

Accessibility TestingMobile App Testing

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#3 of 3 assessed

Kendrick Labs

Verified

Protein analysis for pharma, academia, and industry

Accessibility TestingAutomated TestingManual Functional Testing

View profile

Also in United States · 44 not yet assessed

Listed agencies queued for assessment. Alphabetical.

6D GlobalView profile →A-listwareView profile →ABOUT CieNET CieNETView profile →AbstractaView profile →AcumenicsView profile →AdarsaservicesView profile →Agmo StudioView profile →AlphalogicincView profile →AppdropletView profile →ApptunixView profile →AprioritView profile →BitruptView profile →Block HarborView profile →ByteridgeView profile →CakeSoft TechnologiesView profile →CappenView profile →CescolsView profile →CignitiView profile →CO-WELL AsiaView profile →Coastal Media BrandView profile →CodespeedView profile →CodoidView profile →Coeus SolutionsView profile →Continuous IntelligenceView profile →

About this ranking

What this page ranks

This page ranks the 3 QA and Testing agencies in United States that have been assessed on the Agency List Score, out of 47 listed.

The score measures how well an agency documents its own work in public — named clients, quantified outcomes, and whether those outcomes are attributed to the agency rather than described as the client's own results. It does not measure client satisfaction, price, or availability.

Cohorts and awards

Agencies are compared within a cohort — here, QA and Testing in United States. A cohort must be large enough to express the band being awarded: at least 8 assessed agencies for a top 25% award, 20 for top 10%, 40 for top 5%, and 300 for top 1%. This one holds 3, so no award can be issued here.

The 44 QA and Testing agencies not yet assessed are listed on this page but not ranked.

Read the full methodology

Paid placement

Partner agencies can buy a labelled placement block above the ranking on this page. It is always marked as paid and is never mixed into the ranked list.

Placement is paid; it does not affect the ranking, cohort membership, or any agency's score. Ranking position, cohort membership and the score itself are not for sale.

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Services in United States

Accessibility Testing Automated Testing Manual Functional Testing Mobile App Testing Performance and Load Testing Regression Testing Security Testing Test Strategy and Management

Other categories in United States

Digital Marketing Web Design IT Services and Support Video Production and Motion PR and Communications Advertising Staffing and Outsourcing Graphic and Print Design Web Development Branding

Questions

How many QA and Testing agencies are in United States?: 47 are listed on Agency List in United States. 3 of them have been assessed on the Agency List Score as of September 2026.
Which QA and Testing agency in United States is ranked highest?: Cerebruminfotech, with an Agency List Score of 73.4, ranks #1 of 3 assessed agencies in QA and Testing in United States.
Why are 44 QA and Testing agencies listed here but not ranked?: 44 of the 47 listed have not yet been assessed on the Agency List Score. They each have a profile and are listed below the ranking, alphabetically, rather than being hidden or mixed into it.
How is the ranking determined?: By Agency List Score, within the QA and Testing in United States cohort of 3 assessed agencies. The score is computed from evidence published on each agency's own website: named clients, quantified outcomes, and whether the outcome is attributed to the agency. Paid placement does not affect it.