Company lists · Data refreshed November 2026

Top 25 Virtual ciso providers based in the United States

RevenueBase identified 508 company matches for virtual ciso providers associated with the United States as of November 2026 and tracks 2,182 professional contacts across them, including 855 with verified work emails. New York is the largest hub.

This list covers company matches for virtual ciso providers associated with the 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 November 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 RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
508Companies
2,182Contacts tracked
855Verified emails
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The 25 largest virtual ciso providers based in the United States

Ranked by team size
Top 25 of 508 company matches for virtual ciso providers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchPittsburgh, PA, United StatesHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“Echelon was born with a purpose; the belief that security and privacy are basic human rights.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMiami Lakes, IL, United StatesHQ recorded Nov 6, 202611-5067 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202611-5063 contacts →

Exact match

“Rhymetec delivers premium cybersecurity and data privacy solutions for modern SaaS businesses, combining human expertise with innovative technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchPittsford, NY, United StatesHQ recorded Nov 6, 202651-20062 contacts →

Exact match

“IGI Cybersecurity solves cybersecurity challenges with a people-first approach, creating personalized cyber defense with individualized business strategy, enterprise-wide…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-20050 contacts →

Exact match

“Agency replaces traditional security and compliance headcount with AI without replacing your existing tools.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchCleveland, OH, United StatesHQ recorded Nov 6, 202651-20044 contacts →

Exact match

“Fortress Security Risk Management is a leading national cybersecurity firm dedicated to protecting clients from financial and operational disruptions caused by cyberattacks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchOmaha, NE, United StatesHQ recorded Nov 6, 2026201-50043 contacts →

Exact match

“NTT Security (US) Inc, formerly Solutionary, seamlessly delivers cyber resilience by enabling organizations to build high-performing and effective security, and risk management…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchFremont, CA, United StatesHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“EthicalHat partners with CISOs to help them achieve their security goals in alignment with their business goals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchWesterville, OH, United StatesHQ recorded Nov 6, 202651-20034 contacts →

Exact match

“Revolution Group is a managed IT and cybersecurity firm built for the businesses, nonprofits, and mission-driven organizations of central Ohio.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchWorcester, United StatesHQ recorded Nov 6, 202651-20034 contacts →

Exact match

“SideChannel delivers security leadership and infrastructure to organizations that refuse to be easy targets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchKing Of Prussia, PA, United StatesHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“EMBER is a security, IT, and strategic services firm with core expertise in cybersecurity, cloud operations, full-lifecycle IT management, SecDevOps, and automation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202651-20030 contacts →

Exact match

“At BlackLake Security, we cut through cybersecurity complexity with clarity, expertise, and transparency.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchCosta Mesa, CA, United StatesHQ recorded Nov 6, 202651-20030 contacts →

Exact match

“Helixstorm is a leading provider of virtualization, cloud, and managed service solutions for the enterprise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNorthfield, IL, United StatesHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“At CIO Landing, we act as your trusted Outsourced IT department, offering expert cybersecurity solutions and CIO oversight to streamline your IT operations, ensure compliance, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMoraine, OH, United StatesHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“We're not just another cybersecurity company, we're your trusted partner in the ever-evolving landscape of cyber warfare.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLiberty Lake, WA, United StatesHQ recorded Nov 6, 202651-20023 contacts →

Exact match

“We don't manage systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLeesburg, VA, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Founded in 2013, as one of the boutique cybersecurity providers, InterSec, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchTampa, FL, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“For more than 24 years, Securance Consulting has been the firm that security, compliance, and IT risk leaders call when the work is too important to hand off to a junior team.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchNorcross, GA, United StatesHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“We are a boutique strategic security, compliance and technology firm providing guidance, tools and high end resources to solve your problems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchIdaho Falls, ID, United StatesHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“FrontLine has an elite team of information security professionals coming from large world-class enterprise security companies Our team consists of world-class cyber professionals…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHamilton Township, NJ, United StatesHQ recorded Nov 6, 2026n/a17 contacts →

Exact match

“Most of our clients need to prove they are secure and compliant to key stakeholders like their clients, regulators or their board.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAuburndale, MA, United StatesHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Fractional CISO is the on-demand cybersecurity leadership company that provides Chief Information Security Officer (CISO) capabilities as a service.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchFrederick, MD, United StatesHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Most IT problems aren’t technical.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchWA, United StatesHQ recorded Nov 6, 20261-1017 contacts →

Exact match

“Our mission is to provide an economical alternative to the financial drain of a full time technology staff.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSan Francisco, WA, United StatesHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“We’re Foxcove-your IT partner for secure systems, fast support, and fractional tech leadership.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 508 virtual ciso providers based in the United States

See the full list, filter by size, metro and specialty, and access 855 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Virtual ciso providers based in the United States at a glance

As of Nov 6, 2026
39.2%Verified-email coverage
4.3Average contacts per company
1-10Median size (employees)
3.1%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
386
11-50
99
51-200
18
201-500
3
5,001-10,000
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 508 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 the United States whose business descriptions match “virtual ciso 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 855 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 November 6, 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.

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 “virtual ciso providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many virtual ciso providers are there based in the United States?

RevenueBase identified 508 company matches for virtual ciso providers associated with the United States as of November 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?

Echelon Risk Cyber tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most virtual ciso providers?

New York leads with 16 company records, followed by Tampa (10) and Atlanta (9).

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 855 professional contacts with verified work emails tracked across these 508 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 November 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.