Company lists · Data verified August 2026

Top 18 Application security consulting firms based in San Francisco, United States

Name: Application security consulting firms 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 41 companies tracked

There are 41 application security consulting firms headquartered in San Francisco, United States (RevenueBase, August 2026). RevenueBase tracks 696 professional contacts across them, including 204 with verified work emails and 130 with mobile numbers. New York is the largest hub.

This list covers application security consulting firms 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.

41Companies

696Contacts tracked

204Verified emails

130Mobile numbers

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The 18 largest application security consulting firms based in San Francisco, United States

Ranked by team size

Top 18 of 41 application security consulting firms 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	Cobalt	San Francisco, CA	201-500	345	122
2	TAC Security	San Francisco, CA	51-200	207	46
3	Seworks	San Francisco, CA	11-50	26	1
4	Hubbase	San Francisco, CA	11-50	7	5
5	Humanize, INC	San Francisco, CA	11-50	6	4
6	Xcape, INC	San Francisco, CA	11-50	6	3
7	Trustiphi, LLC	San Francisco, CA	11-50	5	5
8	Probely A Snyk Business	San Francisco, CA	11-50	4	3
9	Secure Overcast	San Francisco, CA	1-10	4	3
10	Dogpatch Solutions INC	San Francisco, CA	1-10	4	3
11	Yes-Security INC	San Francisco	1-10	4	1
12	Raspire YC P26	San Francisco	11-50	3	2
13	cloudsec.ai	San Francisco, CA	1-10	2	1
14	Cobaltix Compliance	San Francisco, CA	1-10	2	1
15	Spookyfox	San Francisco, CA	1-10	1	1
16	Securityinfinity	San Francisco, CA	1-10	1	1
17	Emerose Advisory Services	San Francisco, CA	1-10	1	1
18	Osmosis Security, LLC	San Francisco, CA	1-10	1	1

Showing 18 of 41 application security consulting firms based in San Francisco, United States

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Application security consulting firms based in San Francisco, United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 54 HQs

130Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Application security consulting firms by metro in the United States

Metro	Companies
Application security consulting firms in New York	54
Application security consulting firms in Austin	43
Application security consulting firms in San Francisco	41
Application security consulting firms in Atlanta	35
Application security consulting firms in Miami	31
Application security consulting firms in Houston	30
Application security consulting firms in Seattle	25

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 “application security consulting firms”, 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; 0 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 application security consulting firms are there based in San Francisco, United States?

There are 41 application security consulting firms headquartered in San Francisco, United States as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most application security consulting firms?

New York leads with 54 headquartered companies, followed by Austin (43) and San Francisco (41).

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 204 verified decision-maker contacts tracked across these 41 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.