Company lists · Data verified August 2026

Top 25 Ai-powered security companies based in San Francisco, United States

There are 152 ai-powered security companies headquartered in San Francisco, United States (RevenueBase, August 2026). RevenueBase tracks 8,165 professional contacts across them, including 2,360 with verified work emails and 1,711 with mobile numbers. San Francisco is the largest hub.

This list covers ai-powered security companies 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.

152Companies
8,165Contacts tracked
2,360Verified emails
1,711Mobile numbers
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The 25 largest ai-powered security companies based in San Francisco, United States

Ranked by team size
Top 25 of 152 ai-powered security companies 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.
#CompanyHQEmployeesContactsVerified emails
1BugcrowdSan Francisco, CAn/a3,566238
2CYERASan Francisco, CA1,001-5,0001,121642
3CohereSan Francisco, CA201-500940430
4PeregrineSan Francisco, CA201-500343178
5VehereSan Francisco, CA201-500210138
6Cobalt AISan Francisco, CA51-20012939
7PantherSan Francisco, CA51-20012862
8Unit21San Francisco, CA51-20011775
9HakimoSan Francisco51-2009158
10Reach SecuritySan Francisco, CA51-2006947
11Zignal LabsSan Francisco, CA51-2006638
12Harmonic SecuritySan Francisco, CA51-2005435
13Opal SecuritySan Francisco, CA11-505235
14Fractional AISan Francisco, CA51-2004918
15PradeoSan Francisco, CA51-2004733
16SauronSan Francisco11-504421
17Civic TechnologiesSan Francisco, CA11-503323
18akto.ioSan Francisco, CA11-503216
19RAD SecuritySan Francisco, CA11-50276
20StrongestlayerSan Francisco, CA51-200272
21Virtue AISan Francisco, CA11-50259
22Turium AISan Francisco, CA51-200249
23E2bSan Francisco, CA11-502313
24AVSSan Francisco, CA11-50239
25Umbo Computer VisionSan Francisco, CA11-50231

Showing 25 of 152 ai-powered security companies based in San Francisco, United States

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Ai-powered security companies based in San Francisco, United States at a glance

As of Aug 28, 2026
11-50Median size (employees)
San FranciscoLargest hub · 152 HQs
1,711Contacts with mobile numbers
17Emails re-verified in last 30 days

Companies by employee count

1-10
70
11-50
58
51-200
16
201-500
6
501-1,000
1
1,001-5,000
1

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-powered security companies”, 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; 17 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-powered security companies are there based in San Francisco, United States?

There are 152 ai-powered security companies headquartered in San Francisco, United States as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most ai-powered security companies?

San Francisco leads with 152 headquartered companies, followed by New York (132) and Austin (67).

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 2,360 verified decision-maker contacts tracked across these 152 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.