Company lists · Data refreshed September 2026

Top 25 Cybersecurity compliance firms based in Reston, United States

Name: Cybersecurity compliance firms based in Reston, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 38 companies tracked

RevenueBase identified 38 cybersecurity compliance firms headquartered in Reston, United States as of September 2026 and tracks 2,080 professional contacts across them, including 1,098 with verified work emails. Across the United States, New York is the largest hub for this category (120 companies); Reston has 38.

This list covers cybersecurity compliance firms headquartered in Reston, 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

38Companies

2,080Contacts tracked

1,098Verified emails

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The 25 largest cybersecurity compliance firms based in Reston, United States

Ranked by team size

Top 25 of 38 cybersecurity compliance firms based in Reston, United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to cybersecurity compliance firms: 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	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
2	Mindpoint Group, A Quantum SKY Company	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	1,001-5,000	204 contacts →
	Partial evidence “MindPoint Group, a Quantum Sky company, is a cybersecurity specialist trusted by U.S.” Source: RevenueBase Database · checked Sep 28, 2026
3	ISI	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	51-200	175 contacts →
	Partial evidence “ISI is the only partner that meets both your compliance and security needs.” Source: RevenueBase Database · checked Sep 28, 2026
4	Cybersheath	Strong evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	51-200	80 contacts →
	Strong evidence “CyberSheath is one of the industry’s few one-stop cybersecurity compliance service providers, going beyond assessment and software licensing to solve the whole problem.” Source: RevenueBase Database · checked Sep 28, 2026
5	Secureit	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	51-200	77 contacts →
	Partial evidence “SecureIT is a leading provider of cybersecurity management consulting and technical services to government agencies, corporations and non-profit organizations.” Source: RevenueBase Database · checked Sep 28, 2026
6	Axonius Federal Systems	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	51-200	65 contacts →
	Indirect evidence “Axonius Federal Systems (AFS) provides a unified asset inventory and continuous insight into exposures, all while aligning with key mandates like Zero Trust, CDM, FISMA, EO 14028…” Source: RevenueBase Database · checked Sep 28, 2026
7	Stackarmor	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	51-200	55 contacts →
	Indirect evidence “stackArmor, a Quantum Sky company, invented the ATO Accelerator category and has enabled 200 + systems to achieve FedRAMP, FISMA, CMMC 2.0, and DOD cATO, all in as little as 40%…” Source: RevenueBase Database · checked Sep 28, 2026
8	Intraprise Health, A Health Catalyst Company	Strong evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	51-200	36 contacts →
	Strong evidence “Intraprise Health, a Health Catalyst Company, is the leading compliance and cybersecurity organization that provides a holistic visualization of compliance and security posture…” Source: RevenueBase Database · checked Sep 28, 2026
9	Vaultes	Strong evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	51-200	35 contacts →
	Strong evidence “Vaultes is a Service Disabled Veteran Owned Small Business (SDVOSB) and an accredited FedRAMP 3PAO and Authorized C3PAO specializing in cybersecurity, compliance, and engineering…” Source: RevenueBase Database · checked Sep 28, 2026
10	Knowledge Consulting Group	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	201-500	29 contacts →
	Partial evidence “Knowledge Consulting Group (KCG) is one of the largest privately held cybersecurity services firms in the United States.” Source: RevenueBase Database · checked Sep 28, 2026
11	Tenacity Solutions Incorporated	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	51-200	18 contacts →
	Indirect evidence “Tenacity Provides: Today's service oriented architectures, virtualized servers and increased demand for mobile service have made the difficult problem of securing important…” Source: RevenueBase Database · checked Sep 28, 2026
12	Rizkly	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	11-50	12 contacts →
	Partial evidence “Rizkly helps organization achieve and demonstrate compliance with regulatory requirements such as NIST 800-171, CMMC and CPRA.” Source: RevenueBase Database · checked Sep 28, 2026
13	Kompleye	Strong evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	11-50	8 contacts →
	Strong evidence “Cybersecurity and Compliance Audit organization.” Source: RevenueBase Database · checked Sep 28, 2026
14	Tru-Vetting	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	1-10	6 contacts →
	Partial evidence “Tru-Vetting is a revolutionary compliance software that empowers companies to operate under the laws of NISP and revolutionize security management.” Source: RevenueBase Database · checked Sep 28, 2026
15	Crimson Security, INC	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	1-10	3 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
16	Sherpa	Strong evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	11-50	2 contacts →
	Strong evidence “Sherpa is a firm led by experts with a deep knowledge on business strategy, digital transformation, cybersecurity, governance, risk & compliance.” Source: RevenueBase Database · checked Sep 28, 2026
17	Empower Solutions	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	1-10	2 contacts →
	Partial evidence “Empower Solutions is a trusted IT partner that specializes in providing comprehensive IT and cybersecurity solutions to clients across the Federal Government and private sectors.” Source: RevenueBase Database · checked Sep 28, 2026
18	Datassurant, INC	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	11-50	2 contacts →
	Partial evidence “Datassurant, a veteran-owned business, is a provider of information security and compliance management solutions.” Source: RevenueBase Database · checked Sep 28, 2026
19	HAB Technologies, LLC	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	1-10	2 contacts →
	Partial evidence “HAB Technologies is a Cybersecurity consulting firm with over fifteen years of experience in the Federal Civilian sector.” Source: RevenueBase Database · checked Sep 28, 2026
20	Alpha Team Solutions, INC	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	1-10	2 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
21	Business Cyber Shield	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	11-50	1 contacts →
	Indirect evidence “WHAT WE DO: To put it simply, think of Business Cyber Shield as your virtual Chief Information Security Officer, enabling you to focus on what's important within your organization.” Source: RevenueBase Database · checked Sep 28, 2026
22	Scitus Consulting LLC	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	1-10	1 contacts →
	Partial evidence “Scitus Consulting LLC is a Regulatory Compliance provider focusing specifically on the risk assessment aspects of a client’s business, including, but not limited to: SEC Rule 17-h…” Source: RevenueBase Database · checked Sep 28, 2026
23	Keybright	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	1-10	1 contacts →
	Partial evidence “KeyBright is a purpose-driven technical advisory firm dedicated to helping government contractors navigate CMMC compliance requirements, leveraging technology to win, retain and…” Source: RevenueBase Database · checked Sep 28, 2026
24	Cymantis	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	1-10	1 contacts →
	Partial evidence “Cymantis is a full-range cybersecurity & Technology Consulting practice specializing in: 1_ Enterprise & Startup Cybersecurity strategy 2_ Federal, financial, & healthcare…” Source: RevenueBase Database · checked Sep 28, 2026
25	NXL Cyber	Indirect evidence	Reston, United StatesHQ checked Sep 28, 2026	1-10	1 contacts →
	Indirect evidence “A pioneer in cyber competency assessment, NXL Cyber uses complex real-world cyber workforce assessments to verify that individuals can accomplish the essential tasks of the most…” 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: cybersecurity compliance firms. 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 cybersecurity compliance firms.
Partial evidence: Its own public description names part of cybersecurity compliance firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name cybersecurity compliance firms. 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 38 cybersecurity compliance firms based in Reston, United States

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Cybersecurity compliance firms based in Reston, United States at a glance

As of Sep 28, 2026

52.8%Verified-email coverage

54.7Average contacts per company

11-50Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Reston, so it is reported there. Company counts and contact totals on this page are exact for Reston, over 38 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 cybersecurity compliance firms, 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 Reston, United States whose own description of what they do matches “cybersecurity compliance firms”. 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 cybersecurity compliance firms), 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 cybersecurity compliance firms, and records with no verified work email. Companies headquartered outside Reston 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, 1,098 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.

Cybersecurity compliance firms 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 cybersecurity compliance firms, 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 cybersecurity compliance firms are there based in Reston, United States?

RevenueBase identified 38 cybersecurity compliance firms headquartered in Reston, 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?

Guidepoint Security, headquartered in Reston, tops this list with the largest team on record.

Which city in the United States has the most cybersecurity compliance firms?

New York leads the United States with 120 headquartered companies, followed by Washington (94) and Atlanta (91). Reston has 38.

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 1,098 verified decision-maker contacts tracked across these 38 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.