Company lists · Data refreshed September 2026

Top 24 Security policy consulting companies based in New York, United States

RevenueBase identified 123 security policy consulting companies headquartered in New York, United States as of September 2026 and tracks 2,052 professional contacts across them, including 602 with verified work emails. Across the United States, New York is the largest hub for this category.

This list covers security policy consulting companies headquartered in New York, 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review
123Companies
2,052Contacts tracked
602Verified emails
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The 24 largest security policy consulting companies based in New York, United States

Ranked by team size
Top 24 of 123 security policy consulting companies based in New York, United States, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to security policy consulting companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceNew York, NY, United StatesHQ checked Sep 29, 202610001+571 contacts →

Indirect evidence

“Allied Universal Enhanced Protection Services delivers unrivaled threat mitigation expertise for government and business entities worldwide.”

Source: RevenueBase Database · checked Sep 29, 2026
2Indirect evidenceNew York, NY, United StatesHQ checked Sep 29, 2026201-500268 contacts →

Indirect evidence

“We stand at the forefront of leadership, insight, and guidance in a world marked by complexity and uncertainty.”

Source: RevenueBase Database · checked Sep 29, 2026
3Partial evidenceNew York, NY, United StatesHQ checked Sep 29, 2026201-500216 contacts →

Partial evidence

“T&M USA provides seamlessly integrated executive protection, investigative and consulting services.”

Source: RevenueBase Database · checked Sep 29, 2026
4Partial evidenceNew York, NY, United StatesHQ checked Sep 29, 2026501-1,000159 contacts →

Partial evidence

“Silverseal is a comprehensive security solutions firm with worldwide affiliations that can provide global security services in a highly professional manner.”

Source: RevenueBase Database · checked Sep 29, 2026
5Partial evidenceNew York, NY, United StatesHQ checked Sep 29, 2026201-50070 contacts →

Partial evidence

“At GLOBAL OPS, we specialize in creating and implementing tailored security solutions that cater to the unique needs of our diverse clientele.”

Source: RevenueBase Database · checked Sep 29, 2026
6Indirect evidenceNew York, NY, United StatesHQ checked Sep 29, 202651-20063 contacts →

Indirect evidence

“Effective risk management requires a holistic process.”

Source: RevenueBase Database · checked Sep 29, 2026
7Partial evidenceNew York, NY, United StatesHQ checked Sep 29, 202611-5038 contacts →

Partial evidence

“We're the security consultants Fortune 500s call when they're in real trouble, the ones who find what others miss, who speak CEO and CISO fluently.”

Source: RevenueBase Database · checked Sep 29, 2026
8Indirect evidenceNew York, NY, United StatesHQ checked Sep 29, 202651-20021 contacts →

Indirect evidence

“Gotham Digital Science (GDS) was acquired in 2016 by Stroz Friedberg, an Aon company.”

Source: RevenueBase Database · checked Sep 29, 2026
9Partial evidenceNew York, United StatesHQ checked Sep 29, 20261,001-5,00018 contacts →

Partial evidence

“We provide analysis and design of Physical Security Systems (PSS) of high risk facilities and critical infrastructure.”

Source: RevenueBase Database · checked Sep 29, 2026
10Partial evidenceNew York, NY, United StatesHQ checked Sep 29, 202611-5014 contacts →

Partial evidence

“SphereNY is made up of seasoned professionals who have a passion for the Construction Industry and Security Awareness programs for all sectors.”

Source: RevenueBase Database · checked Sep 29, 2026
11Indirect evidenceNew York, NY, United StatesHQ checked Sep 29, 202611-5011 contacts →

Indirect evidence

“Top notch services at reasonable cost RGS Global Advisors has a wealth of internal audit, FDICIA and SOX testing, remediation, consultancy, BSA/AML/OFAC, IT/IS/Cybersecurity &…”

Source: RevenueBase Database · checked Sep 29, 2026
12Indirect evidenceNew York, NY, United StatesHQ checked Sep 29, 202651-20010 contacts →

Indirect evidence

“Founded in New York City in 1991, Roundtable Solutions has developed a reputation for providing clients with exceptional service, commensurate with risk, and therefore the perfect…”

Source: RevenueBase Database · checked Sep 29, 2026
13Partial evidenceNew York, NY, United StatesHQ checked Sep 29, 202611-508 contacts →

Partial evidence

“Whether you’re starting up a new business or you’re an established publicly‐traded company, Humble Monkey provides business technology consulting, support, and services to meet…”

Source: RevenueBase Database · checked Sep 29, 2026
14Partial evidenceNew York, NY, United StatesHQ checked Sep 29, 20261-105 contacts →

Partial evidence

“Kopidion consists of highly qualified cyber operations and information security professionals.”

Source: RevenueBase Database · checked Sep 29, 2026
15Indirect evidenceNew York, NY, United StatesHQ checked Sep 29, 202611-505 contacts →

Indirect evidence

“Retired DEA Special Agent Jack Teitelman brings his extensive experience in law enforcement to The TITAN GROUP, with more than three decades of continuous leadership and expertise…”

Source: RevenueBase Database · checked Sep 29, 2026
16Partial evidenceNew York, NY, United StatesHQ checked Sep 29, 202651-2005 contacts →

Partial evidence

“Mack Consultants has various subject matter experts within the field of crisis management, counter terrorism, corporate security and executive protection.”

Source: RevenueBase Database · checked Sep 29, 2026
17Indirect evidenceNew York, NY, United StatesHQ checked Sep 29, 2026201-5004 contacts →

Indirect evidence

“ACA Aponix, a division of ACA Group, provides cybersecurity and technology risk assessments, vendor and M&A diligence services, network testing, and advisory services.”

Source: RevenueBase Database · checked Sep 29, 2026
18Partial evidenceNew York, NY, United StatesHQ checked Sep 29, 20261-104 contacts →

Partial evidence

“The Affila Group is a trusted international consulting firm with operations in New York City, Mexico City, Medellín, San José, and Guayaquil, delivering cutting-edge government…”

Source: RevenueBase Database · checked Sep 29, 2026
19Indirect evidenceNew York, NY, United StatesHQ checked Sep 29, 202611-504 contacts →

Indirect evidence

“Citanex was founded by a former US Secret Service Electronic Crimes Agent with advisory credentials from Harvard, MIT, and the Department of Justice.”

Source: RevenueBase Database · checked Sep 29, 2026
20Partial evidenceNew York, United StatesHQ checked Sep 29, 202611-504 contacts →

Partial evidence

“Velstadt is a cybersecurity provider focused on delivering both offensive and defensive security services.”

Source: RevenueBase Database · checked Sep 29, 2026
21Indirect evidenceNew York, NY, United StatesHQ checked Sep 29, 20261-104 contacts →

Indirect evidence

“Bytium LLC is a U.S-registered cybersecurity and IT solutions firm dedicated to helping organizations protect their information assets and maintain operational resilience.”

Source: RevenueBase Database · checked Sep 29, 2026
22Indirect evidenceNew York, NY, United StatesHQ checked Sep 29, 20261-103 contacts →

Indirect evidence

“SecReliant is managed by a seasoned team – with backgrounds in cybersecurity, technology, blockchain enabled technology, and service in the armed forces – that is passionate…”

Source: RevenueBase Database · checked Sep 29, 2026
23Indirect evidenceNew York, NY, United StatesHQ checked Sep 29, 20261-103 contacts →

Indirect evidence

“BrothersKeep is a boutique cybersecurity services firm with offices in New York and Israel, providing a full portfolio of enterprise-class cybersecurity solutions to businesses of…”

Source: RevenueBase Database · checked Sep 29, 2026
24Partial evidenceNew York, NY, United StatesHQ checked Sep 29, 202611-503 contacts →

Partial evidence

“Corporate Security Resources, Inc.(CSR) provides clients with customer service focused private security staffing and management services, business investigations, electronic…”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 24 of 123 security policy consulting companies based in New York, United States

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Security policy consulting companies based in New York, United States at a glance

As of Sep 29, 2026
29.3%Verified-email coverage
16.7Average contacts per company
1-10Median size (employees)
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
62
11-50
33
51-200
16
201-500
7
501-1,000
1
1,001-5,000
3
10001+
1

Email recency for this list is measured across the whole United States list rather than for New York, so it is reported there. Company counts and contact totals on this page are exact for New York, over 123 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 policy consulting companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in New York, United States whose own description of what they do matches “security policy consulting companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names security policy consulting companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among security policy consulting companies, and records with no verified work email. Companies headquartered outside New York 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 its RevenueBase Smart Search 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, 602 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 29, 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 policy consulting companies by metro in the United States

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names security policy consulting companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many security policy consulting companies are there based in New York, United States?

RevenueBase identified 123 security policy consulting companies headquartered in New York, 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?

MSA Security, headquartered in New York, tops this list with the largest team on record.

Which city in the United States has the most security policy consulting companies?

New York leads the United States with 137 headquartered companies, followed by Washington (122) and Houston (89).

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 602 verified decision-maker contacts tracked across these 123 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 29, 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 Smart Search, 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.