Company lists · Data refreshed September 2026
Top 25 Security clearance consultants worldwide
RevenueBase identified 106 company matches for security clearance consultants worldwide as of September 2026 and tracks 1,739 professional contacts across them, including 333 with verified work emails. The United States is the largest market and Washington 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 September 29, 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.
The 25 largest security clearance consultants worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 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 | |||||
| 3 | 194 contacts → | ||||
Exact match “TAG PGS, Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 58 contacts → | ||||
Exact match “Creative Services, Inc.(CSI) is a full-service background investigations and security consulting firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 42 contacts → | ||||
Exact match “Proquest is a specialized Consultancy Company providing a wide spectrum of Employee Screening and Verification Services.We have performed more than checks across India and abroad.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 31 contacts → | ||||
Exact match “Our mission at Pinnacle Investigations is to provide accurate, timely, compliant background reports to aid our clients in building a safe, secure workplace.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 14 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 14 contacts → | ||||
Exact match “Themis Insight provides human focused insight to National Security clients.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 14 contacts → | ||||
Exact match “Whether you are looking for a full time Facility Security Officer (FSO) or need to consult a security professional, FSO PROS® can provide your company with support for your…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 11 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 10 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 9 contacts → | ||||
Exact match “At Shield Recruitment we specialise in security cleared recruitment across Australia.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 9 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 8 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 8 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 7 contacts → | ||||
Exact match “Simplifying screening since 2005!” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 7 contacts → | ||||
Exact match “Delivering Contract Compliant, Audit-Ready Background Reports on Employees and Contractors.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 6 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “ScreenID, a Cisive company, assists organizations improve the hiring process while mitigating risk and improving accuracy.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 5 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 4 contacts → | ||||
Exact match “C U CLEAR is a boutique service organization providing pre-employment screenings, background investigations, business profiling, and third party administration of corporate drug…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 3 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “Baker St.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “WCD Business Solutions provides full-scope background investigations, private investigation services, surveillance, personnel security staffing, case management system…” 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 consultants”. 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 106 security clearance consultants worldwide
See the full list, filter by size, metro and specialty, and access 333 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Security clearance consultants 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 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 333 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 consultants by location
1 lists · largest firstEvery 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 106 company matches for security clearance consultants 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?
Omniplex World Services Corporation 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 64 companies. Every security clearance consultants list by country and city is linked on this page.
Which city has the most security clearance consultants?
Washington leads with 5 company records, followed by San Diego (4) 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 333 professional contacts with verified work emails tracked across these 106 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 106 security clearance consultants worldwide. Start with a free account, no credit card.
Download this list →Related lists
Browse the directory
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 consultants worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 106 matching company records for security clearance consultants worldwide, with 1,739 tracked contacts and 333 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 consultants 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 |  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. | |||||
| 2 |  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. | |||||
| 3 | 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. | |||||
| 4 | Creative Services, INCcreativeservices.com HQ: Mansfield, MA, United StatesReported employees: 51-200 | Mansfield, MA, United States | 51-200 | Exact match | 58 contacts → |
“Creative Services, Inc.(CSI) is a full-service background investigations and security consulting firm.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Proquest Consultancy Services PVT LTDproquestcs.comHQ: Hyderabad, IndiaReported employees: 11-50 | Hyderabad, India | 11-50 | Exact match | 42 contacts → |
“Proquest is a specialized Consultancy Company providing a wide spectrum of Employee Screening and Verification Services.We have performed more than checks across India and abroad.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Pinnacle Investigationspinnacleprof.com HQ: Spokane Valley, WA, United StatesReported employees: 11-50 | Spokane Valley, WA, United States | 11-50 | Exact match | 31 contacts → |
“Our mission at Pinnacle Investigations is to provide accurate, timely, compliant background reports to aid our clients in building a safe, secure workplace.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Cataphractcataphract.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Cataphract was established in 2003 provide Security Vetting to BS:7858, CTC and SC cleared levels.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Themis Insight, LLCthemisinsight.comHQ: Columbia, MD, United StatesReported employees: 11-50 | Columbia, MD, United States | 11-50 | Exact match | 14 contacts → |
“Themis Insight provides human focused insight to National Security clients.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  FSO Pros LLCfsopros.comHQ: Charlotte, NC, United StatesReported employees: 11-50 | Charlotte, NC, United States | 11-50 | Exact match | 14 contacts → |
“Whether you are looking for a full time Facility Security Officer (FSO) or need to consult a security professional, FSO PROS® can provide your company with support for your…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Personnel Security Professionalspersecpros.comHQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 11 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Worksecworksec.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 10 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Shield Recruitmentshieldrecruitment.com.auHQ: Canberra, AustraliaReported employees: 1-10 | Canberra, Australia | 1-10 | Exact match | 9 contacts → |
“At Shield Recruitment we specialise in security cleared recruitment across Australia.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  SUA Corpsuacorp.comHQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 9 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | FSO Consultantsfsoconsultants.com HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 8 contacts → |
“FSO Consultants provides nationwide Facility Security consulting services for small businesses wishing to compete and perform on lucrative DoD related classified contracts.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Real-Time Technology Grouprealtimetg.com HQ: Flemington, NJ, United StatesReported employees: 11-50 | Flemington, NJ, United States | 11-50 | Exact match | 8 contacts → |
“Real-Time Technology Group (RTTG) specializes workplace compliance solutions, Secure Worker Access Consortium (SWAC) and personnel security identity solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Security & Vetting Solutions Limitedsecurity-vetting.co.ukHQ: Winchester, United KingdomReported employees: 11-50 | Winchester, United Kingdom | 11-50 | Exact match | 7 contacts → |
“Simplifying screening since 2005!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | CLUSOcluso.com HQ: Southlake, TX, United StatesReported employees: 11-50 | Southlake, TX, United States | 11-50 | Exact match | 7 contacts → |
“Delivering Contract Compliant, Audit-Ready Background Reports on Employees and Contractors.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Clearancepsychclearancepsych.com HQ: Arlington, CA, United StatesReported employees: 1-10 | Arlington, CA, United States | 1-10 | Exact match | 6 contacts → |
“ClearancePsych is the first and only collaborative in the country specializing in psychological services for government security personnel, attorneys, and professionals in…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Screenidscreenid.net HQ: Easton, MD, United StatesReported employees: 201-500 | Easton, MD, United States | 201-500 | Exact match | 5 contacts → |
“ScreenID, a Cisive company, assists organizations improve the hiring process while mitigating risk and improving accuracy.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | ISI Enterprisesdodsecurity.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 5 contacts → |
“A leader in security for government contractors, IsI offers end-to-end solutions that simplify the complex.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Reliability Screening Solutions INCreliabilityscreening.caHQ: Ottawa, ON, CanadaReported employees: 51-200 | Ottawa, ON, Canada | 51-200 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | C U Clearcuclear.com HQ: Tysons Corner, VA, United StatesReported employees: 11-50 | Tysons Corner, VA, United States | 11-50 | Exact match | 4 contacts → |
“C U CLEAR is a boutique service organization providing pre-employment screenings, background investigations, business profiling, and third party administration of corporate drug…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Alpha & Omega Consultancy International, LLCtheaoci.comHQ: Las Vegas, NV, United StatesReported employees: 1-10 | Las Vegas, NV, United States | 1-10 | Exact match | 3 contacts → |
“Alpha & Omega Consultancy International (AOCI) is a veteran-led firm specializing in Facility Security Officer (FSO) consulting for small businesses navigating Department of…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Baker St. Associatesbakerstassoc.com HQ: Brookfield, CT, United StatesReported employees: 1-10 | Brookfield, CT, United States | 1-10 | Exact match | 3 contacts → |
“Baker St.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | WCD Business Solutions LLCwcdintegrity.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 3 contacts → |
“WCD Business Solutions provides full-scope background investigations, private investigation services, surveillance, personnel security staffing, case management system…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 106 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Security clearance consultants: 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
106 records in the displayed employee bands.
0 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 106 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 consultants by location
1 lists · largest firstEvery Security clearance consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for security clearance consultants?
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 consultants did RevenueBase find worldwide?
The saved snapshot records 106 matching company records, 1,739 tracked contacts and 333 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
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 security clearance consultants worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/security-clearance-consultants.
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 consultants worldwide
RevenueBase records 106 matching company records for security clearance consultants worldwide, with 1,739 tracked contacts and 333 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 consultants 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 | 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. | |||||
| 2 | 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. | |||||
| 3 | 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. | |||||
| 4 | Creative Services, INCcreativeservices.com HQ: Mansfield, MA, United StatesReported employees: 51-200 | Mansfield, MA, United States | 51-200 | Exact match | 58 contacts → |
“Creative Services, Inc.(CSI) is a full-service background investigations and security consulting firm.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Proquest Consultancy Services PVT LTDproquestcs.com HQ: Hyderabad, IndiaReported employees: 11-50 | Hyderabad, India | 11-50 | Exact match | 42 contacts → |
“Proquest is a specialized Consultancy Company providing a wide spectrum of Employee Screening and Verification Services.We have performed more than checks across India and abroad.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Pinnacle Investigationspinnacleprof.com HQ: Spokane Valley, WA, United StatesReported employees: 11-50 | Spokane Valley, WA, United States | 11-50 | Exact match | 31 contacts → |
“Our mission at Pinnacle Investigations is to provide accurate, timely, compliant background reports to aid our clients in building a safe, secure workplace.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Cataphractcataphract.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Cataphract was established in 2003 provide Security Vetting to BS:7858, CTC and SC cleared levels.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Themis Insight, LLCthemisinsight.com HQ: Columbia, MD, United StatesReported employees: 11-50 | Columbia, MD, United States | 11-50 | Exact match | 14 contacts → |
“Themis Insight provides human focused insight to National Security clients.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | FSO Pros LLCfsopros.com HQ: Charlotte, NC, United StatesReported employees: 11-50 | Charlotte, NC, United States | 11-50 | Exact match | 14 contacts → |
“Whether you are looking for a full time Facility Security Officer (FSO) or need to consult a security professional, FSO PROS® can provide your company with support for your…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Personnel Security Professionalspersecpros.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 11 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Worksecworksec.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 10 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Shield Recruitmentshieldrecruitment.com.au HQ: Canberra, AustraliaReported employees: 1-10 | Canberra, Australia | 1-10 | Exact match | 9 contacts → |
“At Shield Recruitment we specialise in security cleared recruitment across Australia.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | SUA Corpsuacorp.com HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 9 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | FSO Consultantsfsoconsultants.com HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 8 contacts → |
“FSO Consultants provides nationwide Facility Security consulting services for small businesses wishing to compete and perform on lucrative DoD related classified contracts.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Real-Time Technology Grouprealtimetg.com HQ: Flemington, NJ, United StatesReported employees: 11-50 | Flemington, NJ, United States | 11-50 | Exact match | 8 contacts → |
“Real-Time Technology Group (RTTG) specializes workplace compliance solutions, Secure Worker Access Consortium (SWAC) and personnel security identity solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Security & Vetting Solutions Limitedsecurity-vetting.co.uk HQ: Winchester, United KingdomReported employees: 11-50 | Winchester, United Kingdom | 11-50 | Exact match | 7 contacts → |
“Simplifying screening since 2005!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | CLUSOcluso.com HQ: Southlake, TX, United StatesReported employees: 11-50 | Southlake, TX, United States | 11-50 | Exact match | 7 contacts → |
“Delivering Contract Compliant, Audit-Ready Background Reports on Employees and Contractors.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Clearancepsychclearancepsych.com HQ: Arlington, CA, United StatesReported employees: 1-10 | Arlington, CA, United States | 1-10 | Exact match | 6 contacts → |
“ClearancePsych is the first and only collaborative in the country specializing in psychological services for government security personnel, attorneys, and professionals in…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Screenidscreenid.net HQ: Easton, MD, United StatesReported employees: 201-500 | Easton, MD, United States | 201-500 | Exact match | 5 contacts → |
“ScreenID, a Cisive company, assists organizations improve the hiring process while mitigating risk and improving accuracy.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | ISI Enterprisesdodsecurity.com HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 5 contacts → |
“A leader in security for government contractors, IsI offers end-to-end solutions that simplify the complex.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Reliability Screening Solutions INCreliabilityscreening.ca HQ: Ottawa, ON, CanadaReported employees: 51-200 | Ottawa, ON, Canada | 51-200 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | C U Clearcuclear.com HQ: Tysons Corner, VA, United StatesReported employees: 11-50 | Tysons Corner, VA, United States | 11-50 | Exact match | 4 contacts → |
“C U CLEAR is a boutique service organization providing pre-employment screenings, background investigations, business profiling, and third party administration of corporate drug…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Alpha & Omega Consultancy International, LLCtheaoci.com HQ: Las Vegas, NV, United StatesReported employees: 1-10 | Las Vegas, NV, United States | 1-10 | Exact match | 3 contacts → |
“Alpha & Omega Consultancy International (AOCI) is a veteran-led firm specializing in Facility Security Officer (FSO) consulting for small businesses navigating Department of…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Baker St. Associatesbakerstassoc.com HQ: Brookfield, CT, United StatesReported employees: 1-10 | Brookfield, CT, United States | 1-10 | Exact match | 3 contacts → |
“Baker St.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | WCD Business Solutions LLCwcdintegrity.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 3 contacts → |
“WCD Business Solutions provides full-scope background investigations, private investigation services, surveillance, personnel security staffing, case management system…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 106 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Security clearance consultants: 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
106 records in the displayed employee bands.
0 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 106 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 consultants by location
1 lists · largest firstEvery Security clearance consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for security clearance consultants?
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 consultants did RevenueBase find worldwide?
The saved snapshot records 106 matching company records, 1,739 tracked contacts and 333 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
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 security clearance consultants worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/security-clearance-consultants.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗