Company lists · Data refreshed September 2026
Top 25 Security clearance recruitment agencies worldwide
RevenueBase identified 1,383 company matches for security clearance recruitment agencies worldwide as of September 2026 and tracks 43,660 professional contacts across them, including 6,436 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for security clearance recruitment agencies 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 September 29, 2026. Country and city lists for security clearance recruitment agencies 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.
The 25 largest security clearance recruitment agencies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 10,793 contacts → | ||||
Exact match “At Peraton, we're at the forefront of delivering the next big thing every day.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 9,697 contacts → | ||||
Exact match “MANTECH is more than a technology company.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 1,853 contacts → | ||||
Exact match “As the most successful Alaska Native village corporation, Chenega figures prominently in the diverse government services contracting marketplace supporting defense, intelligence…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 1,041 contacts → | ||||
Exact match “A lo largo de 30 años, hemos incursionado y evolucionado en distintas áreas atendiendo en el continente americano a clientes privados, corporativos y sector gobierno.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 677 contacts → | ||||
Exact match “OMNIPLEX World Services Corporation is a leader and innovator in delivering professional background investigations, intelligence support, and physical security services to…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 597 contacts → | ||||
Exact match “Started in 2012, ARS is a growing business serving the Department of Defense and Intelligence Community.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 433 contacts → | ||||
Exact match “ClearanceJobs.com the largest security-cleared career network, specializes in defense jobs for professionals with security clearances.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 338 contacts → | ||||
Exact match “For over 50 years, Master Security has provided outstanding security services for state and federal government agencies and private enterprises.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 337 contacts → | ||||
Exact match “CTR Group provides staffing and recruiting services across the United States.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 316 contacts → | ||||
Exact match “Public Sector People (PSP) as part of Search4, is a leading Australian recruitment agency specialising in delivering permanent and temporary solutions across the Public Sector…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 254 contacts → | ||||
Exact match “From defense to civilian agencies, we provide staffing solutions that meet the demands of federal, local and state agencies.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 249 contacts → | ||||
Exact match “Liberty Personnel is widely recognized as the finest direct placement and contract recruiting firm in the region.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 231 contacts → | ||||
Exact match “Full Service Security and Investigative company serving the government sector.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 225 contacts → | ||||
Exact match “C4 Technical Services knows the right people in IT and Telecom C4 Technical Services earns the trust of our clients and candidates by understanding the needs of both, matching…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 207 contacts → | ||||
Exact match “Luke & Associates (Luke) is a trusted provider of healthcare and professional services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 198 contacts → | ||||
Exact match “Paladin Consulting is a nationwide Talent Acquisition and Placement consulting firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 194 contacts → | ||||
Exact match “TAG PGS, Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 157 contacts → | ||||
Exact match “Contract Professionals, Inc.(CPI) is a veteran-founded talent solutions firm specializing in engineering and information technology roles across defense, manufacturing, and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 153 contacts → | ||||
Exact match “Founded in 2002, headquartered in Reston, VA, Quadrant, Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 153 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 147 contacts → | ||||
Exact match “For more than 30 years, CTS International has been filling highly technical jobs utilizing our streamlined recruitment process, superior services, and international expertise.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 143 contacts → | ||||
Exact match “iWorks Corporation, founded in 2005, is a leading provider of information technology and professional services to the federal government.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 142 contacts → | ||||
Exact match “Corporate Job Bank has built our business and reputation since 1985 by finding the best people.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 120 contacts → | ||||
Exact match “Excel Security Corp.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 115 contacts → | ||||
Exact match “Founded in 1993, Vitaver and Associates offers three decades of expertise in professional recruitment services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “security clearance recruitment agencies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,383 security clearance recruitment agencies worldwide
See the full list, filter by size, metro and specialty, and access 6,436 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Security clearance recruitment agencies worldwide at a glance
As of Sep 29, 2026Companies by employee count
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 recruitment agencies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “security clearance recruitment agencies” 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 6,436 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 September 29, 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 recruitment agencies by location
7 lists · largest firstEvery Security clearance recruitment agencies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security clearance recruitment agencies based in the United States710
- Security clearance recruitment agencies based in the United Kingdom128
- Security clearance recruitment agencies based in Australia62
- Security clearance recruitment agencies based in Canada38
- Security clearance recruitment agencies based in the Netherlands28
Cities
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 recruitment agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many security clearance recruitment agencies are there worldwide?
RevenueBase identified 1,383 company matches for security clearance recruitment agencies worldwide as of September 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?
Peraton tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most security clearance recruitment agencies?
The United States leads with 710 companies, followed by the United Kingdom (128) and Australia (62). Every security clearance recruitment agencies list by country and city is linked on this page.
Which city has the most security clearance recruitment agencies?
London leads with 37 company records, followed by Washington (29) and New York (18).
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 6,436 professional contacts with verified work emails tracked across these 1,383 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 September 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,383 security clearance recruitment agencies worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 security clearance recruitment agencies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,383 matching company records for security clearance recruitment agencies worldwide, with 43,660 tracked contacts and 6,436 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 security clearance recruitment agencies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Peratonperaton.comHQ: Reston, VA, United StatesReported employees: 10001+ | Reston, VA, United States | 10001+ | Exact match | 10,793 contacts → |
“At Peraton, we're at the forefront of delivering the next big thing every day.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Mantechmantech.comHQ: Herndon, VA, United StatesReported employees: 5,001-10,000 | Herndon, VA, United States | 5,001-10,000 | Exact match | 9,697 contacts → |
“MANTECH is more than a technology company.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Chenega Corporationchenega.comHQ: Anchorage, AK, United StatesReported employees: 5,001-10,000 | Anchorage, AK, United States | 5,001-10,000 | Exact match | 1,853 contacts → |
“As the most successful Alaska Native village corporation, Chenega figures prominently in the diverse government services contracting marketplace supporting defense, intelligence…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Seguritechseguritech.comHQ: Ciudad De Mexico, MexicoReported employees: 1,001-5,000 | Ciudad De Mexico, Mexico | 1,001-5,000 | Exact match | 1,041 contacts → |
“A lo largo de 30 años, hemos incursionado y evolucionado en distintas áreas atendiendo en el continente americano a clientes privados, corporativos y sector gobierno.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Omniplex World Services Corporationomniplex.comHQ: Herndon, VA, United StatesReported employees: 1,001-5,000 | Herndon, VA, United States | 1,001-5,000 | Exact match | 677 contacts → |
“OMNIPLEX World Services Corporation is a leader and innovator in delivering professional background investigations, intelligence support, and physical security services to…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Applied Research Solutionsappliedres.comHQ: Beavercreek, OH, United StatesReported employees: 501-1,000 | Beavercreek, OH, United States | 501-1,000 | Exact match | 597 contacts → |
“Started in 2012, ARS is a growing business serving the Department of Defense and Intelligence Community.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Clearancejobsclearancejobs.com HQ: Centennial, CO, United StatesReported employees: 51-200 | Centennial, CO, United States | 51-200 | Exact match | 433 contacts → |
“ClearanceJobs.com the largest security-cleared career network, specializes in defense jobs for professionals with security clearances.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Master Securitymastersecurity.usHQ: Hunt Valley, MD, United StatesReported employees: 201-500 | Hunt Valley, MD, United States | 201-500 | Exact match | 338 contacts → |
“For over 50 years, Master Security has provided outstanding security services for state and federal government agencies and private enterprises.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  CTR Groupctrc.comHQ: Newport News, VA, United StatesReported employees: 201-500 | Newport News, VA, United States | 201-500 | Exact match | 337 contacts → |
“CTR Group provides staffing and recruiting services across the United States.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Public Sector Peoplepublicsectorpeople.com.auHQ: Melbourne, AustraliaReported employees: Not recorded | Melbourne, Australia | Not recorded | Exact match | 316 contacts → |
“Public Sector People (PSP) as part of Search4, is a leading Australian recruitment agency specialising in delivering permanent and temporary solutions across the Public Sector…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Abbtechabbtech.comHQ: Sterling, VA, United StatesReported employees: 201-500 | Sterling, VA, United States | 201-500 | Exact match | 254 contacts → |
“From defense to civilian agencies, we provide staffing solutions that meet the demands of federal, local and state agencies.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Liberty Personnel Services, INClibertyjobs.comHQ: West Conshohocken, PA, United StatesReported employees: 51-200 | West Conshohocken, PA, United States | 51-200 | Exact match | 249 contacts → |
“Liberty Personnel is widely recognized as the finest direct placement and contract recruiting firm in the region.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Vets Securing Americavetssecuringamerica.comHQ: San Antonio, TX, United StatesReported employees: 5,001-10,000 | San Antonio, TX, United States | 5,001-10,000 | Exact match | 231 contacts → |
“Full Service Security and Investigative company serving the government sector.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  C4 Technical Servicesc4techservices.comHQ: Eagan, MN, United StatesReported employees: 501-1,000 | Eagan, MN, United States | 501-1,000 | Exact match | 225 contacts → |
“C4 Technical Services knows the right people in IT and Telecom C4 Technical Services earns the trust of our clients and candidates by understanding the needs of both, matching…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Luke Staffinglukestaffing.comHQ: Rockledge, FL, United StatesReported employees: 1,001-5,000 | Rockledge, FL, United States | 1,001-5,000 | Exact match | 207 contacts → |
“Luke & Associates (Luke) is a trusted provider of healthcare and professional services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Paladin Consultingpaladininc.comHQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 198 contacts → |
“Paladin Consulting is a nationwide Talent Acquisition and Placement consulting firm.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | TAD Pgs, INCtadpgs.com HQ: Bradenton, FL, United StatesReported employees: 51-200 | Bradenton, FL, United States | 51-200 | Exact match | 194 contacts → |
“TAG PGS, Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Contract Professionals, INCcpijobs.com HQ: Waterford, MI, United StatesReported employees: 201-500 | Waterford, MI, United States | 201-500 | Exact match | 157 contacts → |
“Contract Professionals, Inc.(CPI) is a veteran-founded talent solutions firm specializing in engineering and information technology roles across defense, manufacturing, and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Quadrant, INCquadrantinc.comHQ: Reston, VA, United StatesReported employees: 501-1,000 | Reston, VA, United States | 501-1,000 | Exact match | 153 contacts → |
“Founded in 2002, headquartered in Reston, VA, Quadrant, Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Eros Technologies INCerostechnologies.comHQ: Lewes, DE, United KingdomReported employees: 201-500 | Lewes, DE, United Kingdom | 201-500 | Exact match | 153 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 |  CTS Internationalctsinternational.comHQ: Issaquah, WA, United StatesReported employees: 201-500 | Issaquah, WA, United States | 201-500 | Exact match | 147 contacts → |
“For more than 30 years, CTS International has been filling highly technical jobs utilizing our streamlined recruitment process, superior services, and international expertise.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Iworks Corporationiworkscorp.com HQ: Reston, VA, United StatesReported employees: 51-200 | Reston, VA, United States | 51-200 | Exact match | 143 contacts → |
“iWorks Corporation, founded in 2005, is a leading provider of information technology and professional services to the federal government.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Corporate JOB Bankcorporatejobbank.comHQ: Tempe, AZ, United StatesReported employees: 1,001-5,000 | Tempe, AZ, United States | 1,001-5,000 | Exact match | 142 contacts → |
“Corporate Job Bank has built our business and reputation since 1985 by finding the best people.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Excel Security Corporationexcelsecurity.comHQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 120 contacts → |
“Excel Security Corp.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Fort Lauderdale, FL, United StatesReported employees: 51-200 | Fort Lauderdale, FL, United States | 51-200 | Exact match | 115 contacts → |
“Founded in 1993, Vitaver and Associates offers three decades of expertise in professional recruitment services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,383 company matches
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Security clearance recruitment agencies: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,382 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,383 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Security clearance recruitment agencies by location
7 lists · largest firstEvery Security clearance recruitment agencies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security clearance recruitment agencies based in the United States710
- Security clearance recruitment agencies based in the United Kingdom128
- Security clearance recruitment agencies based in Australia62
- Security clearance recruitment agencies based in Canada38
- Security clearance recruitment agencies based in the Netherlands28
Cities
Questions about this company list
What does Exact match mean for security clearance recruitment agencies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many security clearance recruitment agencies did RevenueBase find worldwide?
The saved snapshot records 1,383 matching company records, 43,660 tracked contacts and 6,436 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 security clearance recruitment agencies worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/security-clearance-recruitment-agencies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 security clearance recruitment agencies worldwide
RevenueBase records 1,383 matching company records for security clearance recruitment agencies worldwide, with 43,660 tracked contacts and 6,436 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 security clearance recruitment agencies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Peratonperaton.com HQ: Reston, VA, United StatesReported employees: 10001+ | Reston, VA, United States | 10001+ | Exact match | 10,793 contacts → |
“At Peraton, we're at the forefront of delivering the next big thing every day.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Mantechmantech.com HQ: Herndon, VA, United StatesReported employees: 5,001-10,000 | Herndon, VA, United States | 5,001-10,000 | Exact match | 9,697 contacts → |
“MANTECH is more than a technology company.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Chenega Corporationchenega.com HQ: Anchorage, AK, United StatesReported employees: 5,001-10,000 | Anchorage, AK, United States | 5,001-10,000 | Exact match | 1,853 contacts → |
“As the most successful Alaska Native village corporation, Chenega figures prominently in the diverse government services contracting marketplace supporting defense, intelligence…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Seguritechseguritech.com HQ: Ciudad De Mexico, MexicoReported employees: 1,001-5,000 | Ciudad De Mexico, Mexico | 1,001-5,000 | Exact match | 1,041 contacts → |
“A lo largo de 30 años, hemos incursionado y evolucionado en distintas áreas atendiendo en el continente americano a clientes privados, corporativos y sector gobierno.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Omniplex World Services Corporationomniplex.com HQ: Herndon, VA, United StatesReported employees: 1,001-5,000 | Herndon, VA, United States | 1,001-5,000 | Exact match | 677 contacts → |
“OMNIPLEX World Services Corporation is a leader and innovator in delivering professional background investigations, intelligence support, and physical security services to…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Applied Research Solutionsappliedres.com HQ: Beavercreek, OH, United StatesReported employees: 501-1,000 | Beavercreek, OH, United States | 501-1,000 | Exact match | 597 contacts → |
“Started in 2012, ARS is a growing business serving the Department of Defense and Intelligence Community.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Clearancejobsclearancejobs.com HQ: Centennial, CO, United StatesReported employees: 51-200 | Centennial, CO, United States | 51-200 | Exact match | 433 contacts → |
“ClearanceJobs.com the largest security-cleared career network, specializes in defense jobs for professionals with security clearances.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Master Securitymastersecurity.us HQ: Hunt Valley, MD, United StatesReported employees: 201-500 | Hunt Valley, MD, United States | 201-500 | Exact match | 338 contacts → |
“For over 50 years, Master Security has provided outstanding security services for state and federal government agencies and private enterprises.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | CTR Groupctrc.com HQ: Newport News, VA, United StatesReported employees: 201-500 | Newport News, VA, United States | 201-500 | Exact match | 337 contacts → |
“CTR Group provides staffing and recruiting services across the United States.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Public Sector Peoplepublicsectorpeople.com.au HQ: Melbourne, AustraliaReported employees: Not recorded | Melbourne, Australia | Not recorded | Exact match | 316 contacts → |
“Public Sector People (PSP) as part of Search4, is a leading Australian recruitment agency specialising in delivering permanent and temporary solutions across the Public Sector…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Abbtechabbtech.com HQ: Sterling, VA, United StatesReported employees: 201-500 | Sterling, VA, United States | 201-500 | Exact match | 254 contacts → |
“From defense to civilian agencies, we provide staffing solutions that meet the demands of federal, local and state agencies.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Liberty Personnel Services, INClibertyjobs.com HQ: West Conshohocken, PA, United StatesReported employees: 51-200 | West Conshohocken, PA, United States | 51-200 | Exact match | 249 contacts → |
“Liberty Personnel is widely recognized as the finest direct placement and contract recruiting firm in the region.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Vets Securing Americavetssecuringamerica.com HQ: San Antonio, TX, United StatesReported employees: 5,001-10,000 | San Antonio, TX, United States | 5,001-10,000 | Exact match | 231 contacts → |
“Full Service Security and Investigative company serving the government sector.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | C4 Technical Servicesc4techservices.com HQ: Eagan, MN, United StatesReported employees: 501-1,000 | Eagan, MN, United States | 501-1,000 | Exact match | 225 contacts → |
“C4 Technical Services knows the right people in IT and Telecom C4 Technical Services earns the trust of our clients and candidates by understanding the needs of both, matching…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Luke Staffinglukestaffing.com HQ: Rockledge, FL, United StatesReported employees: 1,001-5,000 | Rockledge, FL, United States | 1,001-5,000 | Exact match | 207 contacts → |
“Luke & Associates (Luke) is a trusted provider of healthcare and professional services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Paladin Consultingpaladininc.com HQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 198 contacts → |
“Paladin Consulting is a nationwide Talent Acquisition and Placement consulting firm.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | TAD Pgs, INCtadpgs.com HQ: Bradenton, FL, United StatesReported employees: 51-200 | Bradenton, FL, United States | 51-200 | Exact match | 194 contacts → |
“TAG PGS, Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Contract Professionals, INCcpijobs.com HQ: Waterford, MI, United StatesReported employees: 201-500 | Waterford, MI, United States | 201-500 | Exact match | 157 contacts → |
“Contract Professionals, Inc.(CPI) is a veteran-founded talent solutions firm specializing in engineering and information technology roles across defense, manufacturing, and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Quadrant, INCquadrantinc.com HQ: Reston, VA, United StatesReported employees: 501-1,000 | Reston, VA, United States | 501-1,000 | Exact match | 153 contacts → |
“Founded in 2002, headquartered in Reston, VA, Quadrant, Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Eros Technologies INCerostechnologies.com HQ: Lewes, DE, United KingdomReported employees: 201-500 | Lewes, DE, United Kingdom | 201-500 | Exact match | 153 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | CTS Internationalctsinternational.com HQ: Issaquah, WA, United StatesReported employees: 201-500 | Issaquah, WA, United States | 201-500 | Exact match | 147 contacts → |
“For more than 30 years, CTS International has been filling highly technical jobs utilizing our streamlined recruitment process, superior services, and international expertise.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Iworks Corporationiworkscorp.com HQ: Reston, VA, United StatesReported employees: 51-200 | Reston, VA, United States | 51-200 | Exact match | 143 contacts → |
“iWorks Corporation, founded in 2005, is a leading provider of information technology and professional services to the federal government.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Corporate JOB Bankcorporatejobbank.com HQ: Tempe, AZ, United StatesReported employees: 1,001-5,000 | Tempe, AZ, United States | 1,001-5,000 | Exact match | 142 contacts → |
“Corporate Job Bank has built our business and reputation since 1985 by finding the best people.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Excel Security Corporationexcelsecurity.com HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 120 contacts → |
“Excel Security Corp.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Fort Lauderdale, FL, United StatesReported employees: 51-200 | Fort Lauderdale, FL, United States | 51-200 | Exact match | 115 contacts → |
“Founded in 1993, Vitaver and Associates offers three decades of expertise in professional recruitment services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,383 company matches
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Security clearance recruitment agencies: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,382 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,383 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Security clearance recruitment agencies by location
7 lists · largest firstEvery Security clearance recruitment agencies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security clearance recruitment agencies based in the United States710
- Security clearance recruitment agencies based in the United Kingdom128
- Security clearance recruitment agencies based in Australia62
- Security clearance recruitment agencies based in Canada38
- Security clearance recruitment agencies based in the Netherlands28
Cities
Questions about this company list
What does Exact match mean for security clearance recruitment agencies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many security clearance recruitment agencies did RevenueBase find worldwide?
The saved snapshot records 1,383 matching company records, 43,660 tracked contacts and 6,436 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 security clearance recruitment agencies worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/security-clearance-recruitment-agencies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗