Company lists · Data verified August 2026

Top 17 AI monitoring and testing platforms based in San Francisco, United States

Name: AI monitoring and testing platforms based in San Francisco, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 46 companies tracked

There are 46 AI monitoring and testing platforms headquartered in San Francisco, United States (RevenueBase, August 2026). RevenueBase tracks 2,542 professional contacts across them, including 861 with verified work emails and 429 with mobile numbers. San Francisco is the largest hub.

This list covers AI monitoring and testing platforms headquartered in San Francisco, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

46Companies

2,542Contacts tracked

861Verified emails

429Mobile numbers

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The 17 largest AI monitoring and testing platforms based in San Francisco, United States

Ranked by team size

Top 17 of 46 AI monitoring and testing platforms based in San Francisco, United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Browserstack	San Francisco, CA	1,001-5,000	1,820	626
2	Braintrust	San Francisco	51-200	115	58
3	Autify	San Francisco, CA	51-200	98	38
4	SOFY	San Francisco, CA	51-200	81	30
5	Holistic AI	San Francisco, CA	11-50	69	11
6	Dynamo AI	San Francisco, CA	51-200	50	23
7	checksum.ai	San Francisco, CA	11-50	27	15
8	Openlayer	San Francisco, CA	11-50	26	15
9	Cleanlab	San Francisco, CA	11-50	26	2
10	Virtue AI	San Francisco, CA	11-50	25	9
11	COVAL	San Francisco	11-50	15	8
12	Momentic	San Francisco, CA	11-50	13	8
13	APRES	San Francisco, CA	1-10	13	3
14	Confident AI YC W25	San Francisco, CA	11-50	6	2
15	empromptu.ai	San Francisco, CA	1-10	6	2
16	Evidently AI	San Francisco	1-10	3	2
17	Bytesalt	San Francisco, CA	1-10	1	1

Showing 17 of 46 AI monitoring and testing platforms based in San Francisco, United States

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AI monitoring and testing platforms based in San Francisco, United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

San FranciscoLargest hub · 46 HQs

429Contacts with mobile numbers

4Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

1,001-5,000

AI monitoring and testing platforms by metro in the United States

Metro	Companies
AI monitoring and testing platforms in San Francisco	46
AI monitoring and testing platforms in New York	25
AI monitoring and testing platforms in Austin	9
AI monitoring and testing platforms in Palo Alto	7
AI monitoring and testing platforms in Los Angeles	6
AI monitoring and testing platforms in Washington	5
AI monitoring and testing platforms in Seattle	5

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “AI monitoring and testing platforms”, with match quality audited by blind human judging, and headquartered in San Francisco, United States.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Contact records re-verify on a rolling cadence; 4 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many AI monitoring and testing platforms are there based in San Francisco, United States?

There are 46 AI monitoring and testing platforms headquartered in San Francisco, United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Browserstack, headquartered in San Francisco, tops this list with the largest team on record.

Which city has the most AI monitoring and testing platforms?

San Francisco leads with 46 headquartered companies, followed by New York (25) and Austin (9).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 861 verified decision-maker contacts tracked across these 46 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.