Company lists · Data refreshed September 2026

Top 25 Security consulting firms based in San Francisco, United States

RevenueBase identified 73 security consulting firms headquartered in San Francisco, United States as of September 2026 and tracks 334 professional contacts across them, including 107 with verified work emails. New York is the largest hub.

This list covers 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. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row Match evidence on every row Refreshed Sep 6, 2026 86% judged on-target in blind review
73Companies
334Contacts tracked
107Verified emails
Explore all 73 companies → Free signup · no credit card · 500 free credits

The 25 largest security consulting firms based in San Francisco, United States

Ranked by team size
Top 25 of 73 security consulting firms based in San Francisco, United States, ranked by team size, largest first. Data refreshed Sep 6, 2026. Evidence rates how directly each company's own description names security consulting firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
Global Secure 3Indirect evidence
San Francisco, CA, United StatesHQ checked Sep 6, 202651-20034

“Global Secure 3 (GS3) is an international firm that provides risk management and investigation services to corporate and public sector organizations.”

Source: company website · checked Sep 6, 2026
2
DatawayIndirect evidence
San Francisco, CA, United StatesHQ checked Sep 6, 202611-5028

“Dataway, Inc.”

Source: company website · checked Sep 6, 2026
3
SentantIndirect evidence
San Francisco, CA, United StatesHQ checked Sep 6, 202611-5024

“Sentant is a next-generation cybersecurity & IT services firm with a team of experienced technology professionals.”

Source: company website · checked Sep 6, 2026
4
TachtechIndirect evidence
San Francisco, CA, United StatesHQ checked Sep 6, 202611-5021

“TachTech, is an engineering-led AI and cybersecurity services firm headquartered in San Francisco and Washington, DC.”

Source: company website · checked Sep 6, 2026
5
Code RED PartnersPartial evidence
San Francisco, CA, United StatesHQ checked Sep 6, 20261-1020

“Code Red specializes in cyber security staffing.”

Source: company website · checked Sep 6, 2026
6
Truvantis, INCStrong evidence
San Francisco, CA, United StatesHQ checked Sep 6, 202611-5011

“Truvantis is a security, privacy and compliance consulting firm providing best-in-class services to secure your organization's infrastructure, data, operations and products.”

Source: company website · checked Sep 6, 2026
7
SecuriseaPartial evidence
San Francisco, CA, United StatesHQ checked Sep 6, 202611-5010

“At Securisea, we are trusted and proven experts in compliance and security.”

Source: company website · checked Sep 6, 2026
8
EammunePartial evidence
San Francisco, CA, United StatesHQ checked Sep 6, 202611-507

“EAmmune (pronounced like Immune) is a boutique firm that advises Executives on data asset and cyber-security risk-related matters and helps organizations achieve their data…”

Source: company website · checked Sep 6, 2026
9
Humanize, INCIndirect evidence
San Francisco, CA, United StatesHQ checked Sep 6, 202611-506

“Humanize is an innovative and data-conscious company that transforms cybersecurity weaknesses to human readable quantified risks for C-Suite.”

Source: company website · checked Sep 6, 2026
10
Trustiphi, LLCIndirect evidence
San Francisco, CA, United StatesHQ checked Sep 6, 202611-505

“We help clients design “trust” into their next-generation electronic and software-based products to ensure the platforms and the digital data they create and manage are protected…”

Source: company website · checked Sep 6, 2026
11
Aleada ConsultingPartial evidence
San Francisco, CA, United StatesHQ checked Sep 6, 20261-105

“Who we are: We are a women- and minority-owned company, a diverse team of compliance professionals, auditors, and information security experts who are creating standards of…”

Source: company website · checked Sep 6, 2026
12
909cyberIndirect evidence
San Francisco, CA, United StatesHQ checked Sep 6, 20261-105

“Fraud doesn’t break in.”

Source: company website · checked Sep 6, 2026
13
Dogpatch Solutions INCPartial evidence
San Francisco, CA, United StatesHQ checked Sep 6, 20261-104

“Dogpatch Solutions is a leading IT consulting firm that specializes in cybersecurity assessments, migrations, networking and cloud computing solutions.”

Source: company website · checked Sep 6, 2026
14San Francisco, CA, United StatesHQ checked Sep 6, 20261-104

“At XIVX Risk & Threat Intelligence, we help groups minimize risk, understand threats, and achieve compliance the right way: through functional and effective cybersecurity.”

Source: company website · checked Sep 6, 2026
15
Yes-Security INCPartial evidence
San Francisco, United StatesHQ checked Sep 6, 20261-104

“Our startup is dedicated to providing comprehensive security solutions for low-code/no-code products.”

Source: company website · checked Sep 6, 2026
16
Consult OUR Source, LLCIndirect evidence
San Francisco, CA, United StatesHQ checked Sep 6, 20261-103

“Consult Our Source is a Certified Small Disadvantaged Business, Minority Owned, and headquartered in San Francisco; specializing in complex environments in Information Technology…”

Source: company website · checked Sep 6, 2026
17
Sotr SolutionsPartial evidence
San Francisco, CA, United StatesHQ checked Sep 6, 20261-103

“SOTR Solutions is a one-stop security consultancy offering "Security as a Strategy" and “Security as a Service.” We provide end-to-end guidance to create and run a security…”

Source: company website · checked Sep 6, 2026
18
ServadusPartial evidence
San Francisco, CA, United StatesHQ checked Sep 6, 20261-103

“Cybersecurity by Design, we help organizations with their cybersecurity and compliance programs through management and sustainability, consulting, and assessing.”

Source: company website · checked Sep 6, 2026
19
SecurenexaIndirect evidence
San Francisco, CA, United StatesHQ checked Sep 6, 20261-103

“SecureNexa is a global cybersecurity partner for small and mid-sized businesses.”

Source: company website · checked Sep 6, 2026
20
Itasc SolutionsIndirect evidence
San Francisco, CA, United StatesHQ checked Sep 6, 202611-502

“Our core values are to strive for excellence, act with integrity, and bring the best results to your business.”

Source: company website · checked Sep 6, 2026
21
Pacific Resilience GroupPartial evidence
San Francisco, CA, United StatesHQ checked Sep 6, 20261-102

“Leveraging decades of experience in public and private sector security management, Pacific Resilience Group delivers industry-leading expertise in insider risk, workplace violence…”

Source: company website · checked Sep 6, 2026
22
Cobaltix ComplianceIndirect evidence
San Francisco, CA, United StatesHQ checked Sep 6, 20261-102

“Cobaltix Compliance provides risk assessments, creates policies and procedures, conducts vulnerability assessments and penetration testing, and performs vendor due diligence…”

Source: company website · checked Sep 6, 2026
23
Convoy SecurityPartial evidence
San Francisco, CA, United StatesHQ checked Sep 6, 202611-501

“Asymmetric is a security advisory firm headquartered in San Francisco, serving clients nationwide.”

Source: company website · checked Sep 6, 2026
24
D3 NetworksIndirect evidence
San Francisco, CA, United StatesHQ checked Sep 6, 20261-101

“D3 Networks specializes in meeting the information technology and cybersecurity needs of firms in the financial industry.”

Source: company website · checked Sep 6, 2026
25
Osmosis Security, LLCPartial evidence
San Francisco, CA, United StatesHQ checked Sep 6, 20261-101

“Boutique consultancy providing Information Security and Compliance advisory and testing services for startups to Fortune 100 companies.”

Source: company website · checked Sep 6, 2026

Showing 25 of 73 security consulting firms based in San Francisco, United States

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

As of Sep 6, 2026
1-10Median size (employees)
New YorkLargest hub · 189 HQs
Contacts with mobile numbers
Sep 6, 2026Data refreshed

Companies by employee count

1-10
44
11-50
21
51-200
6
201-500
2

Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for San Francisco, over 73 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among security consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in San Francisco, United States whose own description of what they do matches “security consulting firms”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among security consulting firms, and records with no verified work email. Companies headquartered outside San Francisco are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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
Every listed company carries at least one verified work email, 107 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 6, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Security consulting firms by metro in the United States

Frequently asked

How many security consulting firms are there based in San Francisco, United States?

RevenueBase identified 73 security consulting firms headquartered in San Francisco, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Global Secure 3, headquartered in San Francisco, tops this list with the largest team on record.

Which city has the most security consulting firms?

New York leads with 189 headquartered companies, followed by Washington (139) and Houston (124).

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 107 verified decision-maker contacts tracked across these 73 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.