Company lists · Data refreshed November 2026

Top 23 Security clearance consultants worldwide

RevenueBase identified 72 company matches for security clearance consultants worldwide as of November 2026 and tracks 645 professional contacts across them, including 122 with verified work emails. The United States is the largest market and San Diego the largest hub.

This list covers company matches for security clearance consultants worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 2026. Country and city lists for security clearance consultants follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
72Companies
645Contacts tracked
122Verified emails
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The 23 largest security clearance consultants worldwide

Ranked by team size
Top 23 of 72 company matches for security clearance consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBradenton, CA, United StatesHQ recorded Nov 5, 202651-200220 contacts →

Exact match

“TAG PGS, Inc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchBarcelona, SpainHQ recorded Nov 5, 202611-5094 contacts →

Exact match

“Sua Corp es una consultoría de seguridad privada e independiente formada por prestigiosos profesionales con reconocida experiencia en el sector de la seguridad privada y…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchBondi Junction, AustraliaHQ recorded Nov 5, 202611-5018 contacts →

Exact match

“Cleared Recruitment specialises in ICT, Cyber and Engineering recruitment within Australia's security-cleared markets, sourcing, screening and sponsoring cleared candidates for…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchColumbia, MD, United StatesHQ recorded Nov 5, 202611-5015 contacts →

Exact match

“Themis Insight provides human focused insight to National Security clients.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchCharlotte, VA, United StatesHQ recorded Nov 5, 202611-5015 contacts →

Exact match

“FSO PROS® earned the No.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5014 contacts →

Exact match

“Cataphract was established in 2003 provide Security Vetting to BS:7858, CTC and SC cleared levels.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchSydney, AustraliaHQ recorded Nov 5, 202611-5012 contacts →

Exact match

“WorkSec has proudly maintained a Level 3 PERSEC accreditation for Baseline, NV1 & NV2 Security Clearance Sponsorship and Governance under the DISP membership program since July…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchCanberra, AustraliaHQ recorded Nov 5, 20261-1012 contacts →

Exact match

“At Shield Recruitment we specialise in security cleared recruitment across Australia.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchWashington, DC, United StatesHQ recorded Nov 5, 20261-1011 contacts →

Exact match

“Personnel Security Professionals was started by two veterans who have served as government and contract subject matter experts in Industry and Personnel Security for more than 30…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchFlemington, NJ, United StatesHQ recorded Nov 5, 202611-5010 contacts →

Exact match

“Real-Time Technology Group (RTTG) specializes workplace compliance solutions, Secure Worker Access Consortium (SWAC) and personnel security identity solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchSan Diego, CA, United StatesHQ recorded Nov 5, 202611-508 contacts →

Exact match

“FSO Consultants provides nationwide Facility Security consulting services for small businesses wishing to compete and perform on lucrative DoD related classified contracts.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchHerndon, VA, United StatesHQ recorded Nov 5, 202651-2005 contacts →

Exact match

“A leader in security for government contractors, IsI offers end-to-end solutions that simplify the complex.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchBrookfield, CT, United StatesHQ recorded Nov 5, 20261-105 contacts →

Exact match

“Baker St.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchArlington, CO, United StatesHQ recorded Nov 5, 20261-105 contacts →

Exact match

“ClearancePsych is the first and only collaborative in the country specializing in psychological services for government security personnel, attorneys, and professionals in…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchAshburn, VA, United StatesHQ recorded Nov 5, 20261-104 contacts →

Exact match

“Monoc Securities LLC is a trusted security consulting firm specializing in the U.S.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchLas Vegas, United StatesHQ recorded Nov 5, 20261-103 contacts →

Exact match

“Alpha & Omega Consultancy International (AOCI) is a veteran-led firm specializing in Facility Security Officer (FSO) consulting for small businesses navigating Department of…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchRichmond, VA, United StatesHQ recorded Nov 5, 20261-103 contacts →

Exact match

“Our team of experienced FSOs can provide direct, immediate support to your security program.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchSan Diego, CA, United StatesHQ recorded Nov 5, 20261-103 contacts →

Exact match

“AscendN Federal is dedicated to recruiting full time employees and consultants with various clearances including Public Trust, Secret, Top Secret, TS-SCI, TS-SCI with CI-Poly, and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchFayetteville, NC, United StatesHQ recorded Nov 5, 20261-103 contacts →

Exact match

“The Security Division Inc.(TSD), offers a myriad of services to assist CCR registered vendors with National Industrial Security Program (NISP) requirements.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchOttawa, ON, CanadaHQ recorded Nov 5, 202651-2002 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchReston, VA, United StatesHQ recorded Nov 5, 202611-502 contacts →

Exact match

“Cleared Connections was the first organization devoted solely to connecting cleared employers with cleared job seekers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchBothell, WA, United StatesHQ recorded Nov 5, 202611-501 contacts →

Exact match

“Unconventional Innovation (UI) is a full-service compliance consulting firm that has provided trusted services to the defense, intelligence and space sectors for over 15 years.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchAustin, United StatesHQ recorded Nov 5, 20261-101 contacts →

Exact match

“We provide CFIUS, DCSA, and Team Telecom mitigation experts for Security Director, Outside Director, Proxy Holder, Voting Trustee, Divestment Trustee, Security Officer, Third…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 23 of 72 security clearance consultants worldwide

See the full list, filter by size, metro and specialty, and access 122 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Security clearance consultants worldwide at a glance

As of Nov 5, 2026
18.9%Verified-email coverage
9.0Average contacts per company
1-10Median size (employees)
4.2%Largest-city concentration · San Diego
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
52
11-50
16
51-200
4

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for security clearance consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “security clearance consultants” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 122 professional contacts with verified work emails across the full matched dataset. 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 November 5, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Security clearance consultants by location

1 lists · largest first

Every Security clearance consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “security clearance consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many security clearance consultants are there worldwide?

RevenueBase identified 72 company matches for security clearance consultants worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

TAD Pgs, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most security clearance consultants?

The United States leads with 43 companies. Every security clearance consultants list by country and city is linked on this page.

Which city has the most security clearance consultants?

San Diego leads with 3 company records, followed by Washington (3) and Boston (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 122 professional contacts with verified work emails tracked across these 72 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 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 SmartSearch, 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.