Company lists · Data refreshed October 2026

Top 25 Cybersecurity consulting service providers based in Irvine, United States

RevenueBase identified 42 company matches for cybersecurity consulting service providers associated with Irvine, United States as of October 2026 and tracks 530 professional contacts across them, including 293 with verified work emails. Across the United States, New York is the largest hub for this category (302 companies); Irvine has 42.

This list covers company matches for cybersecurity consulting service providers associated with Irvine, 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
42Companies
530Contacts tracked
293Verified emails
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The 25 largest cybersecurity consulting service providers based in Irvine, United States

Ranked by team size
Top 25 of 42 company matches for cybersecurity consulting service providers based in Irvine, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 2026201-500199 contacts →

Exact match

“Founded in 2003, Tevora is a specialized management consultancy focused on cybersecurity, risk, and compliance services.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202611-5048 contacts →

Exact match

“Our Mission is to help customers protect their Microsoft 365 corporate identities and data while taking full advantage of the productivity benefits.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202651-20029 contacts →

Exact match

“TechHeights is an award-winning Managed Service Provider delivering enterprise-grade IT, cybersecurity, and cloud solutions to businesses across Orange County, Los Angeles, and…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202611-5028 contacts →

Exact match

“Protecting & Optimizing Orange County and Nationwide Businesses for 14+ Years IT and Cyber Support in Irvine, CA Next IT Solutions partners with organizations in delivering state…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202611-5027 contacts →

Exact match

“Right Click is an Orange County based IT Consulting firm.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202611-5020 contacts →

Exact match

“eSecurity Solutions is a One-Stop Cybersecurity Solution provider to businesses.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202611-5018 contacts →

Exact match

“Welcome to Greenlight Cyber, where we merge creativity and strategic expertise with cutting-edge technology to secure and elevate your business.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202651-20015 contacts →

Exact match

“Enterprise clients have counted on DFND Security, Inc.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202611-5015 contacts →

Exact match

“At Atomic Technology Solutions, we provide organizations with reliable, enterprise-grade Managed IT services and Cybersecurity solutions that minimize risk and ensure operational…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202651-20013 contacts →

Exact match

“Welcome to Cynexlink, your premier global IT and cybersecurity partner.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202611-5012 contacts →

Exact match

“Privageo is a data privacy & security solutions provider.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202611-5010 contacts →

Exact match

“CSP Networks is an award-winning IT Managed Service Provider (MSP), that combines strategic advisory, technical and cyber security expertise, and the ability to effectively…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202611-508 contacts →

Exact match

“At our company, we provide enterprises with cutting-edge, fully integrated IT solutions tailored to their specific needs.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202611-507 contacts →

Exact match

“M9 Cloud offers a full suite of affordable & scalable outsourcing & professional services solutions (including):* Cyber Security Services * Infrastructure as a Service (IaaS)…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 20261-106 contacts →

Exact match

“We help business scale by providing any IT Hardware, configuring, and installing them onsite while ensuring they are serviced, maintained, and protected from hackers.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 20261-106 contacts →

Exact match

“Linkpro Technologies is a computer & network security company based out of P.O.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 20261-105 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 20261-105 contacts →

Exact match

“Technology’s Edge provides a high level of IT Managed Security Services to businesses in the Greater LA & Orange County Area.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 20261-104 contacts →

Exact match

“Advantech IT Solutions, your trusted outsource partner for IT consulting, data protection, network support and maintenance.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202611-503 contacts →

Exact match

“We help organizations identify cyber risk, prevent attacks, and meet security and compliance requirements.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202611-502 contacts →

Exact match

“We help companies make better use of existing cybersecurity investments.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 20261-102 contacts →

Exact match

“IT Managed Service Provider, 20 Years of Experience in planning, implementing, maintaining, and troubleshooting IT infrastructure and computer networks.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202611-501 contacts →

Exact match

“Industry: Cybersecurity | Headquarters: Irvine, CA Website: About Us Cybermack Enterprises is a premier Managed Security Services Provider (MSSP) offering end-to-end cybersecurity…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 20261-101 contacts →

Exact match

“Hello!”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 20261-101 contacts →

Exact match

“Fuze|networks is a specialized cybersecurity distributor and consultancy.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

Showing 25 of 42 cybersecurity consulting service providers based in Irvine, United States

See the full list, filter by size, metro and specialty, and access 293 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Oct 1, 2026
55.3%Verified-email coverage
12.6Average contacts per company
11-50Median size (employees)
Oct 1, 2026Page data refreshed

Companies by employee count

1-10
17
11-50
19
51-200
4
201-500
1
501-1,000
1

Email recency for this list is measured across the whole United States list rather than for Irvine, so it is reported there. Company counts and contact totals on this page are exact for Irvine, over 42 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 Irvine, 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 293 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 Irvine, United States?

RevenueBase identified 42 company matches for cybersecurity consulting service providers associated with Irvine, 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?

Tevora 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). Irvine has 42.

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 293 professional contacts with verified work emails tracked across these 42 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.