Company lists · Data verified August 2026
Top 25 AI chatbot platforms based in San Francisco, United States
There are 190 AI chatbot platforms headquartered in San Francisco, United States (RevenueBase, August 2026). RevenueBase tracks 5,879 professional contacts across them, including 2,039 with verified work emails and 1,397 with mobile numbers. San Francisco is the largest hub.
This list covers AI chatbot 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.
The 25 largest AI chatbot platforms based in San Francisco, United States
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 | 391 | |
| 2 | 484 | |
| 3 | 263 | |
| 4 | 248 | |
| 5 | 95 | |
| 6 | 37 | |
| 7 | 94 | |
| 8 | 44 | |
| 9 | 32 | |
| 10 | 37 | |
| 11 | 33 | |
| 12 | 8 | |
| 13 | 1 | |
| 14 | 15 | |
| 15 | 13 | |
| 16 | 1 | |
| 17 | 12 | |
| 18 | 18 | |
| 19 | 6 | |
| 20 | 1 | |
| 21 | 15 | |
| 22 | 2 | |
| 23 | 12 | |
| 24 | 6 | |
| 25 | 5 |
Showing 25 of 190 AI chatbot platforms based in San Francisco, United States
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AI chatbot platforms based in San Francisco, United States at a glance
As of Aug 28, 2026Companies by employee count
AI chatbot platforms by metro in the United States
| Metro | Companies |
|---|---|
| AI chatbot platforms in San Francisco | 190 |
| AI chatbot platforms in New York | 125 |
| AI chatbot platforms in Miami | 70 |
| AI chatbot platforms in Austin | 63 |
| AI chatbot platforms in Los Angeles | 59 |
| AI chatbot platforms in Sheridan | 39 |
| AI chatbot platforms in Dover | 37 |
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 chatbot 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; 19 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 chatbot platforms are there based in San Francisco, United States?
There are 190 AI chatbot platforms headquartered in San Francisco, United States as of August 2026 (RevenueBase).
What is the largest company on this list?
Writer, headquartered in San Francisco, tops this list with the largest team on record.
Which city has the most AI chatbot platforms?
San Francisco leads with 190 headquartered companies, followed by New York (125) and Miami (70).
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 2,039 verified decision-maker contacts tracked across these 190 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.
Ready to reach these companies? Verified emails and direct dials for all 190 AI chatbot platforms based in San Francisco, United States. Start with a free account, no credit card.
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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.
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