Company lists · Data verified August 2026

Top 25 AI customer service software based in San Francisco, United States

Name: AI customer service software 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 106 companies tracked

There are 106 AI customer service software headquartered in San Francisco, United States (RevenueBase, August 2026). RevenueBase tracks 2,625 professional contacts across them, including 1,156 with verified work emails and 768 with mobile numbers. San Francisco is the largest hub.

This list covers AI customer service software 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.

106Companies

2,625Contacts tracked

1,156Verified emails

768Mobile numbers

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The 25 largest AI customer service software based in San Francisco, United States

Ranked by team size

Top 25 of 106 AI customer service software 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	Sierra	San Francisco, CA	201-500	541	305
2	Leena AI	San Francisco, CA	201-500	325	205
3	gnani.ai	San Francisco, CA	51-200	230	95
4	Gladly	San Francisco, CA	201-500	218	152
5	Forethought	San Francisco, CA	51-200	111	65
6	PYLON	San Francisco	51-200	95	59
7	Digitalgenius	San Francisco, CA	51-200	69	51
8	acquire.io	San Francisco, CA	201-500	56	7
9	Serval	San Francisco, CA	51-200	53	30
10	Clerk Chat	San Francisco	n/a	48	22
11	newo.ai	San Francisco, CA	11-50	48	15
12	Chatfuel	San Francisco, CA	11-50	44	13
13	Chatbase	San Francisco	11-50	40	12
14	KODIF	San Francisco, CA	11-50	35	6
15	Bircle	San Francisco, CA	n/a	31	6
16	Kolena	San Francisco	11-50	26	15
17	Phonely	San Francisco, CA	11-50	20	5
18	Frontline	San Francisco, CA	1-10	18	5
19	Marr Labs	San Francisco, CA	1-10	17	10
20	zammo.ai	San Francisco, CA	11-50	17	9
21	Weya AI	San Francisco, CA	1-10	16	6
22	GRW AI	San Francisco	11-50	15	5
23	soopra.ai	San Francisco, CA	11-50	14	1
24	Parahelp	San Francisco	1-10	13	6
25	ON	San Francisco, CA	51-200	13	2

Showing 25 of 106 AI customer service software based in San Francisco, United States

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AI customer service software based in San Francisco, United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

San FranciscoLargest hub · 106 HQs

768Contacts with mobile numbers

7Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

AI customer service software by metro in the United States

Metro	Companies
AI customer service software in San Francisco	106
AI customer service software in New York	71
AI customer service software in Austin	40
AI customer service software in Miami	40
AI customer service software in Los Angeles	28
AI customer service software in Sheridan	24
AI customer service software in Newark	20

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 customer service software”, 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; 7 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 customer service software are there based in San Francisco, United States?

There are 106 AI customer service software headquartered in San Francisco, United States as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most AI customer service software?

San Francisco leads with 106 headquartered companies, followed by New York (71) and Austin (40).

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 1,156 verified decision-maker contacts tracked across these 106 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.