Company lists · Data refreshed September 2026

Top 25 Cybersecurity consulting service providers based in Alexandria, United States

RevenueBase identified 65 cybersecurity consulting service providers headquartered in Alexandria, United States as of September 2026 and tracks 671 professional contacts across them, including 140 with verified work emails. New York is the largest hub.

This list covers cybersecurity consulting service providers headquartered in Alexandria, 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 14, 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 14, 2026 86% judged on-target in blind review
65Companies
671Contacts tracked
140Verified emails
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The 25 largest cybersecurity consulting service providers based in Alexandria, United States

Ranked by team size
Top 25 of 65 cybersecurity consulting service providers based in Alexandria, United States, ranked by team size, largest first. Data refreshed Sep 14, 2026. RevenueBase Smart Search rates how each company's information relates to cybersecurity consulting service providers: 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
1Partial evidenceAlexandria, VA, United StatesHQ checked Sep 14, 2026n/a113 contacts →

Partial evidence

“Strategic Security is an IT Security consulting firm that provides in-depth technical security assessments of your network, web application, and regulatory compliance gap analysis…”

Source: RevenueBase Database · checked Sep 14, 2026
2Indirect evidenceAlexandria, VA, United StatesHQ checked Sep 14, 2026201-500103 contacts →

Indirect evidence

“Effective October 25, 2024, Dignari has been acquired by EY and will now be known as EY Dignari.”

Source: RevenueBase Database · checked Sep 14, 2026
3Indirect evidenceAlexandria, VA, United StatesHQ checked Sep 14, 2026201-50068 contacts →

Indirect evidence

“OneZero Solutions is an 8(a), Service-Disabled Veteran-Owned Small Business (SDVOSB) that is problem-solving and solutions-oriented.”

Source: RevenueBase Database · checked Sep 14, 2026
4Indirect evidenceAlexandria, VA, United StatesHQ checked Sep 14, 2026201-50056 contacts →

Indirect evidence

“Advantage SCI is a professional security and counterintelligence firm, headquartered in Alexandria, Virginia.”

Source: RevenueBase Database · checked Sep 14, 2026
5Partial evidenceAlexandria, VA, United StatesHQ checked Sep 14, 202651-20047 contacts →

Partial evidence

“Arrowpoint, a MorphWorks company, has delivered premiere information technology and consulting services.”

Source: RevenueBase Database · checked Sep 14, 2026
6Partial evidenceAlexandria, VA, United StatesHQ checked Sep 14, 202611-5027 contacts →

Partial evidence

“Securicon provides expert consulting for application, system and network security.”

Source: RevenueBase Database · checked Sep 14, 2026
7Indirect evidenceAlexandria, VA, United StatesHQ checked Sep 14, 202611-5026 contacts →

Indirect evidence

“Focus Data Solutions is Your Partner for Tomorrow’s IT.”

Source: RevenueBase Database · checked Sep 14, 2026
8Partial evidenceAlexandria, VA, United StatesHQ checked Sep 14, 202611-5026 contacts →

Partial evidence

“At WhiteHawk, we streamline cybersecurity decision-making through a three-step approach: 1.”

Source: RevenueBase Database · checked Sep 14, 2026
9Strong evidenceAlexandria, VA, United StatesHQ checked Sep 14, 202611-5011 contacts →

Strong evidence

“Envision Consulting is an award-winning provider of proactive and full-service managed IT support, IT consulting, cloud solutions and cybersecurity, serving small and mid-sized…”

Source: RevenueBase Database · checked Sep 14, 2026
10Indirect evidenceAlexandria, VA, United StatesHQ checked Sep 14, 202611-5010 contacts →

Indirect evidence

“Since 2010 Aligned Technology Solutions has been helping organizations leverage and manage technology to grow and secure their businesses.”

Source: RevenueBase Database · checked Sep 14, 2026
11Partial evidenceAlexandria, VA, United StatesHQ checked Sep 14, 202611-509 contacts →

Partial evidence

“Gray Tier Technolgies is a privately held company providing full cyclic cybersecurity services and products.”

Source: RevenueBase Database · checked Sep 14, 2026
12Strong evidenceAlexandria, VA, United StatesHQ checked Sep 14, 202611-509 contacts →

Strong evidence

“SecureNinja provides highly specialized cybersecurity training and consulting services, as well as video production services targeted to the cybersecurity community.”

Source: RevenueBase Database · checked Sep 14, 2026
13Indirect evidenceAlexandria, VA, United StatesHQ checked Sep 14, 20261-109 contacts →

Indirect evidence

“Pendulum is transforming cyber defense and information security.”

Source: RevenueBase Database · checked Sep 14, 2026
14Indirect evidenceAlexandria, VA, United StatesHQ checked Sep 14, 202611-507 contacts →

Indirect evidence

“PatchAdvisor is a complete IT security firm focused on providing world class IT security services to our clients.”

Source: RevenueBase Database · checked Sep 14, 2026
15Partial evidenceAlexandria, VA, United StatesHQ checked Sep 14, 202611-507 contacts →

Partial evidence

“Providing IT Managed Security Services, Support & Consulting to businesses, associations and home office users too.”

Source: RevenueBase Database · checked Sep 14, 2026
16Strong evidenceAlexandria, VA, United StatesHQ checked Sep 14, 20261-107 contacts →

Strong evidence

“HUBZone Certified, Tech Leader Solutions, LLC provides Cybersecurity and IT Consulting services to CIOs and CTOs, supporting a wide range of IT programs through strategy…”

Source: RevenueBase Database · checked Sep 14, 2026
17Partial evidenceAlexandria, VA, United StatesHQ checked Sep 14, 20261-105 contacts →

Partial evidence

“Founded in 2012, APTNEXUS is a premier provider of IT Services with a specialization in cybersecurity governance, risk, and compliance solutions for both information and…”

Source: RevenueBase Database · checked Sep 14, 2026
18Indirect evidenceAlexandria, VA, United StatesHQ checked Sep 14, 20261-104 contacts →

Indirect evidence

“At SWG, we provide comprehensive, cost-effective professional services support and expertise in system engineering solutions for our customer’s complex mission and enterprise IT…”

Source: RevenueBase Database · checked Sep 14, 2026
19Partial evidenceAlexandria, VA, United StatesHQ checked Sep 14, 20261-104 contacts →

Partial evidence

“A specialized marketing agency with deep domain knowledge of cybersecurity, data analytics, integrated risk management, software engineering, and strategy and transformation for…”

Source: RevenueBase Database · checked Sep 14, 2026
20Indirect evidenceAlexandria, VA, United StatesHQ checked Sep 14, 202611-503 contacts →

Indirect evidence

“Cerium Technology Services was established in 2009 to provide professional and affordable IT services.”

Source: RevenueBase Database · checked Sep 14, 2026
21Indirect evidenceAlexandria, VA, United StatesHQ checked Sep 14, 20261-102 contacts →

Indirect evidence

“Fusion Technology Strategies (Fusion) is an SBA-certified Woman-Owned Small Business (WOSB) that specializes in delivering exceptional Cyber Security, CIO and CISO Advisory…”

Source: RevenueBase Database · checked Sep 14, 2026
22Indirect evidenceAlexandria, VA, United StatesHQ checked Sep 14, 20261-102 contacts →

Indirect evidence

“Security Staff Augmentation DDS can help to augment your security staff as you build and grow your internal security team.”

Source: RevenueBase Database · checked Sep 14, 2026
23Partial evidenceAlexandria, VA, United StatesHQ checked Sep 14, 20261-102 contacts →

Partial evidence

“LC & J Security Solutions is a proudly certified women-owned cybersecurity firm specializing in securing identities, critical data, and digital assets.”

Source: RevenueBase Database · checked Sep 14, 2026
24Partial evidenceAlexandria, VA, United StatesHQ checked Sep 14, 202611-502 contacts →

Partial evidence

“We are a cybersecurity professional services company that implements security solutions for Federal, State, Local, Commercial, Education, and SMB entities.”

Source: RevenueBase Database · checked Sep 14, 2026
25Indirect evidenceAlexandria, VA, United StatesHQ checked Sep 14, 20261-102 contacts →

Indirect evidence

“The Vital Geek's philosophy is that our customers should be focused on running their core businesses – and not their technology.”

Source: RevenueBase Database · checked Sep 14, 2026

Showing 25 of 65 cybersecurity consulting service providers based in Alexandria, United States

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Cybersecurity consulting service providers based in Alexandria, United States at a glance

As of Sep 14, 2026
20.9%Verified-email coverage
10.3Average contacts per company
1-10Median size (employees)
435.4%Largest-city concentration · New York
Sep 14, 2026Page data refreshed

Companies by employee count

1-10
34
11-50
23
51-200
5
201-500
3

Email recency for this list is measured across the whole United States list rather than for Alexandria, so it is reported there. Company counts and contact totals on this page are exact for Alexandria, over 65 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 service providers, 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 Alexandria, United States whose own description of what they do matches “cybersecurity consulting service providers”. 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 service providers), 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 service providers, and records with no verified work email. Companies headquartered outside Alexandria 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, 140 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 14, 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 service providers 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 consulting service providers, 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 service providers are there based in Alexandria, United States?

RevenueBase identified 65 cybersecurity consulting service providers headquartered in Alexandria, 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?

Strategic Security, headquartered in Alexandria, tops this list with the largest team on record.

Which city has the most cybersecurity consulting service providers?

New York leads with 283 headquartered companies, followed by Houston (181) and Washington (173).

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 140 verified decision-maker contacts tracked across these 65 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 14, 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.