Ranked · 1 assessed
Ordered by Agency List ScoreBuilding iOS, Android, and cross-platform apps with cloud architecture and QA automation
Also in California · 4 not yet assessed
Listed agencies queued for assessment. Alphabetical.About this ranking
What this page ranks
This page ranks the 1 QA and Testing agency in California, United States that has been assessed on the Agency List Score, out of 5 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 California, 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 1, so no award can be issued here.
The 4 QA and Testing agencies not yet assessed are listed on this page but not ranked.
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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Questions
- How many QA and Testing agencies are in California, United States?
- 5 are listed on Agency List in California, United States. 1 of them has been assessed on the Agency List Score as of September 2026.
- Which QA and Testing agency in California, United States is ranked highest?
- Cerebruminfotech, with an Agency List Score of 73.4, ranks #1 of 1 assessed agency in QA and Testing in California, United States.
- Why are 4 QA and Testing agencies listed here but not ranked?
- 4 of the 5 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 California, United States cohort of 1 assessed agency. 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.