Company lists · Data refreshed October 2026

Top 25 Cybersecurity consulting service providers based in San Francisco, United States

Name: Cybersecurity consulting service providers based in San Francisco, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 108 companies tracked

RevenueBase identified 108 company matches for cybersecurity consulting service providers associated with San Francisco, United States as of October 2026 and tracks 610 professional contacts across them, including 244 with verified work emails. Across the United States, New York is the largest hub for this category (302 companies); San Francisco has 108.

This list covers company matches for cybersecurity consulting service providers associated with San Francisco, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 1, 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 RevenueBase SmartSearch · Exact Recorded Oct 1, 2026 How this list was built

108Companies

610Contacts tracked

244Verified emails

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The 25 largest cybersecurity consulting service providers based in San Francisco, United States

Ranked by team size

Top 25 of 108 company matches for cybersecurity consulting service providers based in San Francisco, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Jones IT	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	51-200	82 contacts →
	Exact match “At Jones IT, we believe IT should make your life easier- not more complicated.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	PCS Technology	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	11-50	36 contacts →
	Exact match “At PCS Technology, we know how important it is for nonprofits to trust that their systems are secure and well-managed.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Dataway	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	11-50	28 contacts →
	Exact match “Dataway, Inc.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Seworks	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	11-50	27 contacts →
	Exact match “We specialize in Web Application and API penetration Testing, Cyber Threat Intelligence, and Detecting Account Takeovers (ATOs) from attackers.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Atomus	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	11-50	24 contacts →
	Exact match “A technology driven Managed Security Service Provider purpose built for Aerospace and Defense.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Sentant	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	11-50	24 contacts →
	Exact match “Sentant is a next-generation cybersecurity & IT services firm with a team of experienced technology professionals.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Centarus	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	11-50	22 contacts →
	Exact match “Centarus is dedicated to providing dependable Managed IT & Cybersecurity support to firms that want to increase efficiency & stay secure.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Tachtech	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	11-50	21 contacts →
	Exact match “TachTech, is an engineering-led AI and cybersecurity services firm headquartered in San Francisco and Washington, DC.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Code RED Partners	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	1-10	20 contacts →
	Exact match “Code Red specializes in cyber security staffing.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Epiccyber	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	11-50	14 contacts →
	Exact match “EpicCyber: Empowering Your Business with Zscaler, Crowd strike, and Okta Cybersecurity Solutions” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Ysecurity	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	11-50	14 contacts →
	Exact match “We are a team of cybersecurity operators from Silicon Valley.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Infovie	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	51-200	13 contacts →
	Exact match “Infovie is the de facto Partner of choice for many CIOs Globally Today.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Truvantis, INC	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	11-50	11 contacts →
	Exact match “Truvantis is a security, privacy and compliance consulting firm providing best-in-class services to secure your organization's infrastructure, data, operations and products.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Epic Machines, INC	Exact match	San Francisco, United StatesHQ recorded Oct 1, 2026	11-50	10 contacts →
	Exact match “Epic Machines is a Value Added Reseller and Managed Security Services provider offering Security Transformation using Cloud-native solutions to commercial and government markets.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Securisea	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	11-50	10 contacts →
	Exact match “At Securisea, we are trusted and proven experts in compliance and security.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Metabase Q	Exact match	San Francisco, United StatesHQ recorded Oct 1, 2026	51-200	9 contacts →
	Exact match “Metabase Q offers an end-to-end platform that enables businesses to manage, measure and mature their cybersecurity.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Eammune	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	11-50	7 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Humanize, INC	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	11-50	6 contacts →
	Exact match “Humanize is an innovative and data-conscious company that transforms cybersecurity weaknesses to human readable quantified risks for C-Suite.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Trustiphi, LLC	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	11-50	5 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Aleada Consulting	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	1-10	5 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Startup Defense	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	11-50	5 contacts →
	Exact match “Enterprise Cybersecurity Made Simple” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Fight Club Tech, INC	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	1-10	5 contacts →
	Exact match “Fight Club Tech is your partner in digital transformation and security.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	909cyber	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	1-10	5 contacts →
	Exact match “Fraud doesn’t break in.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Dogpatch Solutions INC	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	1-10	4 contacts →
	Exact match “Dogpatch Solutions is a leading IT consulting firm that specializes in cybersecurity assessments, migrations, networking and cloud computing solutions.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Usdn INC	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	11-50	4 contacts →
	Exact match “Security Operations Center • Litigation Support • Forensic Lab Email: usdnlab@usdn.net Global Toll Free: 866.930.4312 Non-Emergency: PGP Key: usdnlab@usdn.net -BEGIN PGP PUBLIC…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “cybersecurity consulting service providers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 108 cybersecurity consulting service providers based in San Francisco, United States

See the full list, filter by size, metro and specialty, and access 244 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity consulting service providers based in San Francisco, United States at a glance

As of Oct 1, 2026

40.0%Verified-email coverage

5.6Average contacts per company

1-10Median size (employees)

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole United States list rather than for San Francisco, so it is reported there. Company counts and contact totals on this page are exact for San Francisco, over 108 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

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: Company records associated with San Francisco, United States whose business descriptions match “cybersecurity consulting service providers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 244 professional contacts with verified work emails across the full matched dataset. 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 October 1, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Cybersecurity consulting service providers by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “cybersecurity consulting service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity consulting service providers are there based in San Francisco, United States?

RevenueBase identified 108 company matches for cybersecurity consulting service providers associated with San Francisco, United States as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Jones IT tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most cybersecurity consulting service providers?

New York leads the United States with 302 company records, followed by Houston (181) and Washington (173). San Francisco has 108.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 244 professional contacts with verified work emails tracked across these 108 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 1, 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.