Company lists · Data refreshed September 2026

Top 25 Data security and compliance consulting companies based in the United States

Name: Data security and compliance consulting companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 4,901 companies tracked

RevenueBase identified 4,901 data security and compliance consulting companies headquartered in the United States as of September 2026 and tracks 55,390 professional contacts across them, including 23,687 with verified work emails. New York is the largest hub.

This list covers data security and compliance consulting companies headquartered in the 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 28, 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 28, 2026 86% judged on-target in blind review

4,901Companies

55,390Contacts tracked

23,687Verified emails

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The 25 largest data security and compliance consulting companies based in the United States

Ranked by team size

Top 25 of 4,901 data security and compliance consulting companies based in the United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to data security and compliance 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Varonis	Strong evidence	Miami, FL, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,715 contacts →
	Strong evidence “Varonis unifies AI-native data security, AI security and governance, and behavior-based threat detection.” Source: RevenueBase Database · checked Sep 28, 2026
2	OPTIV	Indirect evidence	Leawood, KS, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,222 contacts →
	Indirect evidence “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Source: RevenueBase Database · checked Sep 28, 2026
3	ACA Group	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,486 contacts →
	Partial evidence “ACA Group is the leading governance, risk, and compliance advisor to the financial services industry.” Source: RevenueBase Database · checked Sep 28, 2026
4	Guidepoint Security	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,232 contacts →
	Partial evidence “GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Source: RevenueBase Database · checked Sep 28, 2026
5	Coalfire	Partial evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	1,001-5,000	947 contacts →
	Partial evidence “Coalfire is the premier Cybersecurity and Compliance Services leader for the tech, healthcare, and finance industries.(This page is maintained by Marketing.” Source: RevenueBase Database · checked Sep 28, 2026
6	A-Lign	Partial evidence	Tampa, FL, United StatesHQ checked Sep 28, 2026	501-1,000	798 contacts →
	Partial evidence “A-LIGN is the leading provider of high-quality, efficient cybersecurity compliance programs.” Source: RevenueBase Database · checked Sep 28, 2026
7	BIGID	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	501-1,000	665 contacts →
	Partial evidence “BigID Next connects the dots in Data & AI.” Source: RevenueBase Database · checked Sep 28, 2026
8	Exterro	Partial evidence	Portland, OR, United StatesHQ checked Sep 28, 2026	501-1,000	658 contacts →
	Partial evidence “Exterro empowers organizations to manage data risks with a complete platform for e-discovery, data privacy, cybersecurity and governance, and digital forensics.” Source: RevenueBase Database · checked Sep 28, 2026
9	Network Intelligence	Partial evidence	Plano, TX, United StatesHQ checked Sep 28, 2026	501-1,000	641 contacts →
	Partial evidence “At Network Intelligence, we combine our team of 500+ security professionals with Transilience – our cutting-edge AI platform.” Source: RevenueBase Database · checked Sep 28, 2026
10	Vikingcloud	Partial evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	1,001-5,000	628 contacts →
	Partial evidence “VikingCloud delivers battle-tested cybersecurity and compliance solutions that simply work.” Source: RevenueBase Database · checked Sep 28, 2026
11	Solomonedwards	Indirect evidence	Wayne, PA, United StatesHQ checked Sep 28, 2026	1,001-5,000	557 contacts →
	Indirect evidence “For more than 25 years, SolomonEdwards has empowered organizations to tackle common and complex business challenges through strategic advisory, technical advocacy, and hands-on…” Source: RevenueBase Database · checked Sep 28, 2026
12	Aujas Cybersecurity	Indirect evidence	Cupertino, CA, United StatesHQ checked Sep 28, 2026	1,001-5,000	473 contacts →
	Indirect evidence “At Aujas Cybersecurity, we specialize in building and transforming cybersecurity postures to help businesses effectively mitigate risks.” Source: RevenueBase Database · checked Sep 28, 2026
13	Controlcase	Partial evidence	Fairfax, VA, United StatesHQ checked Sep 28, 2026	201-500	411 contacts →
	Partial evidence “ControlCase is committed to bringing peace of mind to the world’s IT compliance programs through our signature partnership approach, commitment to automation, and cost-effective…” Source: RevenueBase Database · checked Sep 28, 2026
14	IBM Promontory	Strong evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	501-1,000	403 contacts →
	Strong evidence “IBM Promontory is a global leader in strategy, risk management, and compliance consulting.#IBMConsulting” Source: RevenueBase Database · checked Sep 28, 2026
15	Haystackid	Strong evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	201-500	368 contacts →
	Strong evidence “HaystackID solves complex data challenges related to legal, compliance, regulatory, and cyber events.” Source: RevenueBase Database · checked Sep 28, 2026
16	Protegrity	Partial evidence	Stamford, CT, United StatesHQ checked Sep 28, 2026	201-500	348 contacts →
	Partial evidence “Protegrity protects the sensitive data and enterprise knowledge that power AI.” Source: RevenueBase Database · checked Sep 28, 2026
17	Kiteworks	Strong evidence	San Mateo, CA, United StatesHQ checked Sep 28, 2026	501-1,000	331 contacts →
	Strong evidence “Kiteworks empowers organizations with a robust control plane for secure data exchange, ensuring secure and compliant data exchanges across all channels, including email, file…” Source: RevenueBase Database · checked Sep 28, 2026
18	IANS	Partial evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	51-200	327 contacts →
	Partial evidence “For the security practitioner caught between rapidly evolving threats and demanding executives, IANS Research is a clear-headed resource for decision-making and articulating risk.” Source: RevenueBase Database · checked Sep 28, 2026
19	CTI	Indirect evidence	Timonium, MD, United StatesHQ checked Sep 28, 2026	n/a	323 contacts →
	Indirect evidence “Continental Technologies Inc (CTI) configures, distributes, designs and maintains technology solutions for customers around the globe and remains both privately-held and locally…” Source: RevenueBase Database · checked Sep 28, 2026
20	Intelligent Technical Solutions	Strong evidence	Las Vegas, NV, United StatesHQ checked Sep 28, 2026	201-500	317 contacts →
	Strong evidence “Intelligent Technical Solutions is your trusted business partner for all your Cybersecurity, Managed and Co-managed IT support, Risk & Compliance, Data Analytics, and Consulting…” Source: RevenueBase Database · checked Sep 28, 2026
21	Security Risk Advisors	Partial evidence	Philadelphia, PA, United StatesHQ checked Sep 28, 2026	201-500	315 contacts →
	Partial evidence “We deliver cybersecurity consulting, 24x7 operations and SaaS to leading companies in the Financial Services, Healthcare, Pharmaceuticals, Technology and Retail industries.” Source: RevenueBase Database · checked Sep 28, 2026
22	K2 Integrity	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	201-500	311 contacts →
	Indirect evidence “K2 Integrity is a global risk management company dedicated to helping organizations across both the public and private sectors protect their assets, reputation, and operations and…” Source: RevenueBase Database · checked Sep 28, 2026
23	Prescient Security	Strong evidence	Nashville, TN, United StatesHQ checked Sep 28, 2026	201-500	272 contacts →
	Strong evidence “Prescient Security is a global cybersecurity and compliance firm delivering risk-based audits, advanced penetration testing, and end-to-end framework support.” Source: RevenueBase Database · checked Sep 28, 2026
24	Guidepost Solutions	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	201-500	268 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 28, 2026
25	Securitymetrics	Partial evidence	Orem, UT, United StatesHQ checked Sep 28, 2026	501-1,000	268 contacts →
	Partial evidence “We secure peace of mind for organizations that handle sensitive data by holding our tools, training, and support to a higher standard.” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: data security and compliance consulting companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names data security and compliance consulting companies.
Partial evidence: Its own public description names part of data security and compliance consulting companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name data security and compliance consulting companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 4,901 data security and compliance consulting companies based in the United States

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Data security and compliance consulting companies based in the United States at a glance

As of Sep 28, 2026

42.8%Verified-email coverage

11.3Average contacts per company

1-10Median size (employees)

3.5%Largest-city concentration · New York

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

3,140

11-50

1,289

51-200

354

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 4,901 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 data security and compliance 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 the United States whose own description of what they do matches “data security and compliance 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 data security and compliance 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 data security and compliance consulting companies, and records with no verified work email. Companies headquartered outside United States 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, 23,687 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 28, 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.

Data security and compliance consulting companies by metro

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 data security and compliance 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 data security and compliance consulting companies are there based in the United States?

RevenueBase identified 4,901 data security and compliance consulting companies headquartered in the 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?

Varonis, headquartered in Miami, tops this list with the largest team on record.

Which city has the most data security and compliance consulting companies?

New York leads with 173 headquartered companies, followed by Houston (104) and Atlanta (100).

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 23,687 verified decision-maker contacts tracked across these 4,901 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 28, 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.