Company lists · Data refreshed September 2026
Top 25 Cybersecurity consulting services based in Ashburn, United States
RevenueBase identified 50 cybersecurity consulting services headquartered in Ashburn, United States as of September 2026 and tracks 1,140 professional contacts across them, including 447 with verified work emails. New York is the largest hub.
This list covers cybersecurity consulting services headquartered in Ashburn, 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 21, 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.
The 25 largest cybersecurity consulting services based in Ashburn, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 629 contacts → | ||||
Indirect evidence “Telos Corporation (NASDAQ: TLS) empowers and protects the world’s most security-conscious organizations with efficient, adaptable, and secure solutions that safeguard people…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 165 contacts → | ||||
Indirect evidence “RavenTek enables mission success by clarifying complexity.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 63 contacts → | ||||
Partial evidence “Delviom is a distinguished provider of cutting-edge cybersecurity and business intelligence (BI) solutions, dedicated to helping organizations strengthen their security posture…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 37 contacts → | ||||
Indirect evidence “We are a Cyber Security strategy and implementation company.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 34 contacts → | ||||
Partial evidence “Lunarline is a leading cybersecurity and 3PAO service provider to the U.S.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 29 contacts → | ||||
Partial evidence “PUNCH is a cyber-consulting firm that provides advanced analytics and strategic support to government and commercial clients.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 24 contacts → | ||||
Indirect evidence “At Varmoda Tech, we are on a mission to revolutionize industries and drive meaningful change through cutting-edge technology solutions.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 23 contacts → | ||||
Partial evidence “Obscurity Labs is a veteran owned cybersecurity firm.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 18 contacts → | ||||
Indirect evidence “Purple Jay is a boutique infosec company that is driven to provide actionable guidance and design tailored solutions for the objective of defensible security.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 11 contacts → | ||||
Indirect evidence “Protect3 provides cyber security solutions for government agencies.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 10 contacts → | ||||
Strong evidence “Secure Anchor Consulting provides high-touch cybersecurity services that help organizations prevent security breaches, detect network intrusions, and respond to advanced threats.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 10 contacts → | ||||
Indirect evidence “Diamond provides outstanding results for our clients, with a focus on integrated, flexible, and economical solutions that meet business objectives.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 6 contacts → | ||||
Partial evidence “Cybersecurity must evolve in lock steps with organization’s technology and business processes.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 6 contacts → | ||||
Partial evidence “Monoc Securities LLC is a trusted security consulting firm specializing in the U.S.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 5 contacts → | ||||
Indirect evidence “2020 Teknology is dedicated to helping organizations secure and optimize their IT infrastructure, which encompasses both managed services and systems integration support.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 5 contacts → | ||||
Indirect evidence “At CISOnow, we deliver expert CISO Advisory Services, proactive security assessments, and managed security solutions to help organizations stay ahead of evolving threats and…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 5 contacts → | ||||
Strong evidence “A dynamic cybersecurity consulting partner offering tailored cyber security, IT, management, and career services designed to meet the unique needs of small businesses and…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 5 contacts → | ||||
Indirect evidence “Managenet Inc is an information technology and services company based out of P.O.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 4 contacts → | ||||
Indirect evidence “Cognito Cyber Group (CCG) is a diverse I.T.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 4 contacts → | ||||
Partial evidence “SBA-certified 100% Woman-Owned Small Business (WOSB), Tailwind is a trusted partner empowering government and commercial organizations with cutting-edge cybersecurity and ITC…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 4 contacts → | ||||
Indirect evidence “Your network and computer repair specialist.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 contacts → | ||||
Indirect evidence “Shea Strategies, LLC is focused on the national security market, to include: global aerospace, defense, space, government services, homeland security and intelligence.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Strong evidence “KyberStorm LLC, is a small cybersecurity consulting firm providing computer security, compliance, and program development services to governments and commercial enterprises.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Indirect evidence “Single Point Global Inc is an IT services vendor focusing on the infrastructure needs agnostic of industry or size since 2007.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Partial evidence “Boutique security and investigative consulting firm, focusing on timely and comprehensive results.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
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 consulting services. 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 consulting services.
- Partial evidence
- Its own public description names part of cybersecurity consulting services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name cybersecurity consulting services. 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 50 cybersecurity consulting services based in Ashburn, United States
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Cybersecurity consulting services based in Ashburn, United States at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Ashburn, so it is reported there. Company counts and contact totals on this page are exact for Ashburn, over 50 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 consulting services, 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 Ashburn, United States whose own description of what they do matches “cybersecurity consulting services”. 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 consulting services), 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 consulting services, and records with no verified work email. Companies headquartered outside Ashburn 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, 447 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 21, 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 consulting services by metro in the United States
- Cybersecurity consulting services in New York328
- Cybersecurity consulting services in Houston204
- Cybersecurity consulting services in Washington202
- Cybersecurity consulting services in Atlanta192
- Cybersecurity consulting services in Austin171
- Cybersecurity consulting services in Dallas161
- Cybersecurity consulting services in Chicago154
- Cybersecurity consulting services in Miami147
- Cybersecurity consulting services in Tampa125
- Cybersecurity consulting services in San Francisco124
- Cybersecurity consulting services in San Diego107
- Cybersecurity consulting services in Los Angeles106
- Cybersecurity consulting services in Arlington98
- Cybersecurity consulting services in Denver93
- Cybersecurity consulting services in Boston86
- Cybersecurity consulting services in Charlotte82
- Cybersecurity consulting services in Alexandria78
- Cybersecurity consulting services in San Antonio78
- Cybersecurity consulting services in Columbia76
- Cybersecurity consulting services in Seattle76
- Cybersecurity consulting services in Reston74
- Cybersecurity consulting services in Phoenix72
- Cybersecurity consulting services in Las Vegas69
- Cybersecurity consulting services in Orlando66
- Cybersecurity consulting services in Portland59
- Cybersecurity consulting services in Raleigh57
- Cybersecurity consulting services in Huntsville52
- Cybersecurity consulting services in Mclean52
- Cybersecurity consulting services in Baltimore51
- Cybersecurity consulting services in Fairfax51
- Cybersecurity consulting services in Ashburn50
- Cybersecurity consulting services in Wilmington49
- Cybersecurity consulting services in Columbus48
- Cybersecurity consulting services in Plano48
- Cybersecurity consulting services in Richmond48
- Cybersecurity consulting services in San Jose48
- Cybersecurity consulting services in Sheridan47
- Cybersecurity consulting services in Irvine46
- Cybersecurity consulting services in Minneapolis46
- Cybersecurity consulting services in Fort Lauderdale44
- Cybersecurity consulting services in Pittsburgh42
- Cybersecurity consulting services in Colorado Springs41
- Cybersecurity consulting services in Frisco40
- Cybersecurity consulting services in Nashville40
- Cybersecurity consulting services in Scottsdale40
- Cybersecurity consulting services in Indianapolis39
- Cybersecurity consulting services in Herndon37
- Cybersecurity consulting services in Sacramento35
- Cybersecurity consulting services in Dover34
- Cybersecurity consulting services in Philadelphia34
- Cybersecurity consulting services in Alpharetta32
- Cybersecurity consulting services in Vienna32
- Cybersecurity consulting services in Jacksonville31
- Cybersecurity consulting services in Springfield31
- Cybersecurity consulting services in Chantilly30
- Cybersecurity consulting services in Rockville30
- Cybersecurity consulting services in Cleveland29
- Cybersecurity consulting services in Leesburg28
- Cybersecurity consulting services in Bethesda27
- Cybersecurity consulting services in Madison27
- Cybersecurity consulting services in Cincinnati26
- Cybersecurity consulting services in Honolulu26
- Cybersecurity consulting services in Knoxville26
- Cybersecurity consulting services in Omaha26
- Cybersecurity consulting services in Salt Lake City26
- Cybersecurity consulting services in Tucson26
- Cybersecurity consulting services in Albuquerque25
- Cybersecurity consulting services in Boca Raton25
- Cybersecurity consulting services in Newark25
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 consulting services, 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 consulting services are there based in Ashburn, United States?
RevenueBase identified 50 cybersecurity consulting services headquartered in Ashburn, 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?
Telos Corporation, headquartered in Ashburn, tops this list with the largest team on record.
Which city has the most cybersecurity consulting services?
New York leads with 328 headquartered companies, followed by Houston (204) and Washington (202).
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 447 verified decision-maker contacts tracked across these 50 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 21, 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.
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