Company lists · Data verified August 2026

Top 25 AI agent platforms based in San Francisco, United States

Name: AI agent 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 328 companies tracked

There are 328 AI agent platforms headquartered in San Francisco, United States (RevenueBase, August 2026). RevenueBase tracks 15,314 professional contacts across them, including 5,477 with verified work emails and 3,547 with mobile numbers. San Francisco is the largest hub.

This list covers AI agent 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.

328Companies

15,314Contacts tracked

5,477Verified emails

3,547Mobile numbers

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The 25 largest AI agent platforms based in San Francisco, United States

Ranked by team size

Top 25 of 328 AI agent 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	Celonis	San Francisco, CA	1,001-5,000	3,632	658
2	Writer	San Francisco, CA	n/a	1,564	391
3	Mulesoft	San Francisco, CA	1,001-5,000	1,295	698
4	Airtable	San Francisco, CA	501-1,000	928	484
5	Vercel	San Francisco, CA	501-1,000	854	613
6	Camunda	San Francisco, CA	501-1,000	585	392
7	AI R Everymind	San Francisco, CA	501-1,000	485	103
8	Monte Carlo	San Francisco, CA	51-200	321	178
9	gooddata.ai	San Francisco, CA	201-500	275	149
10	Neuretail	San Francisco	201-500	246	1
11	gnani.ai	San Francisco, CA	51-200	230	95
12	abacus.ai	San Francisco, CA	51-200	205	94
13	Federato	San Francisco, CA	51-200	185	115
14	Poolside	San Francisco, CA	51-200	181	98
15	SHELF	San Francisco, CA	51-200	180	99
16	Functionize	San Francisco, CA	51-200	167	95
17	Arize AI	San Francisco, CA	51-200	157	108
18	Hebbia	San Francisco, CA	51-200	154	104
19	MERGE	San Francisco, CA	51-200	126	83
20	Forethought	San Francisco, CA	51-200	111	65
21	Botscrew	San Francisco, CA	51-200	80	32
22	AKKA	San Francisco, CA	51-200	70	39
23	Stackai	San Francisco, CA	51-200	67	37
24	connectly.ai	San Francisco, CA	51-200	58	33
25	Serval	San Francisco, CA	51-200	53	30

Showing 25 of 328 AI agent platforms based in San Francisco, United States

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AI agent platforms based in San Francisco, United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

San FranciscoLargest hub · 328 HQs

3,547Contacts with mobile numbers

34Emails re-verified in last 30 days

Companies by employee count

1-10

191

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

AI agent platforms by metro in the United States

Metro	Companies
AI agent platforms in San Francisco	328
AI agent platforms in New York	204
AI agent platforms in Miami	98
AI agent platforms in Austin	95
AI agent platforms in Los Angeles	71
AI agent platforms in Dover	62
AI agent platforms in Dallas	52

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 agent 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; 34 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 agent platforms are there based in San Francisco, United States?

There are 328 AI agent platforms headquartered in San Francisco, United States as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most AI agent platforms?

San Francisco leads with 328 headquartered companies, followed by New York (204) and Miami (98).

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 5,477 verified decision-maker contacts tracked across these 328 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.