Company lists · Data refreshed September 2026
Top 25 Clearance recruitment firms based in the United Kingdom
RevenueBase identified 283 company matches for clearance recruitment firms associated with the United Kingdom as of September 2026 and tracks 2,470 professional contacts across them, including 825 with verified work emails. London is the largest hub.
This list covers company matches for clearance recruitment firms associated with the United Kingdom, 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 27, 2026.
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 clearance recruitment firms based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 369 contacts → | ||||
Exact match “Vivid Resourcing, a leading international talent solutions partner, connects you with in-demand technical professionals you need to flourish in the Tech, Engineering, Life…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 2 | 244 contacts → | ||||
Exact match “Tangent International Integrated Talent and Delivery across Technology and Communications.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 3 | 91 contacts → | ||||
Exact match “SecurityClearedJobs.com is a UK based job board designed for individuals working across all industry sectors who have obtained Security Clearance or who meet the criteria for…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 4 | 85 contacts → | ||||
Exact match “Optime is a leading force in specialised recruitment, partnering with key players across the aviation, hospitality, rail, security, and warehousing & logistics sectors.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 5 | 75 contacts → | ||||
Exact match “SQEP provides security-cleared experts across defence, aerospace and critical infrastructure.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 56 contacts → | ||||
Exact match “Exceeding expectations from the very beginning At M4 Recruitment, our mission statement is “Beyond Expectation”.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 49 contacts → | ||||
Exact match “Damia Group is a trusted talent solutions partner with over 30 years of experience supporting security-cleared environments, including defence, government, space, and aerospace.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 8 | 47 contacts → | ||||
Exact match “Sanderson Government & Defence was established over 20 years ago as a bespoke solution to a unique talent problem: sourcing and placing high-calibre professional talent to work…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 9 | 46 contacts → | ||||
Exact match “We empower businesses by solving one of their biggest challenges: finding the right people.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 10 | 40 contacts → | ||||
Exact match “First Choice Staff is a leading UK-based recruitment agency with a 30-year pedigree and network of local branches connecting the best candidates with the best employers offering…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 39 contacts → | ||||
Exact match “Aviation Recruitment Network has been a trusted partner to the UK’s commercial aviation industry since As one of the largest providers of recruitment and vetting services in the…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 12 | 38 contacts → | ||||
Exact match “Recruiting” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 31 contacts → | ||||
Exact match “As a trusted recruitment partner we aim to identify the very best ex-military and defence sector talent that is on the market.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 14 | 30 contacts → | ||||
Exact match “Join Triumph Consultants: A Leading Partner in Public Sector Recruitment Since Triumph Consultants Limited has grown from a specialist in local government services to a top…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 15 | 30 contacts → | ||||
Exact match “Luneus supports Defense & Space companies in the U.S.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 16 | 30 contacts → | ||||
Exact match “As one of the oldest and established recruitment partners in this sector, we have a reputation 2nd to none in identifying the very best ex-military talent that is currently on the…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 17 | 26 contacts → | ||||
Exact match “Welcome to Proactive.IT Appointments Ltd.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 18 | 26 contacts → | ||||
Exact match “DCL Search reduce clients risk by identifying attracting the very best Cyber / Information Security Talent in the industry.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 19 | 25 contacts → | ||||
Exact match “We help companies build teams with people you won’t find on the market.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 20 | 24 contacts → | ||||
Exact match “Established in Carlton Recruitment is a successful Recruitment Agency with an excellent reputation for supplying high quality staffing solutions.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 21 | 23 contacts → | ||||
Exact match “At Intaso we are firm believers that not every business has the same Cyber/ Information Security talent shortages and demands a bespoke offering.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 22 | 23 contacts → | ||||
Exact match “GTS Group delivers a global consultative, professional, and intelligence-driven approach to staffing, connecting brands with the best talent.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 23 | 22 contacts → | ||||
Exact match “With over 25 years of expertise in recruitment for global blue-chip clients, we are driven by a passion for connecting high-caliber talent with the most ambitious organizations.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 24 | 21 contacts → | ||||
Exact match “Founded in 1994, Probe has grown into a highly professional and diverse resourcing organisation.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 25 | 20 contacts → | ||||
Exact match “We connect top cybersecurity and eDiscovery talent at Iceberg Cyber Security with the most innovative companies worldwide.” Recorded in the RevenueBase company graph · Sep 27, 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 “clearance recruitment firms”. 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 283 clearance recruitment firms based in the United Kingdom
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Clearance recruitment firms based in the United Kingdom at a glance
As of Sep 27, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 283 companies.
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.
- What qualifies
- Company records associated with the United Kingdom whose business descriptions match “clearance recruitment firms” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 825 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 27, 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.
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 “clearance recruitment firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many clearance recruitment firms are there based in the United Kingdom?
RevenueBase identified 283 company matches for clearance recruitment firms associated with the United Kingdom 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?
Vivid Resourcing tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most clearance recruitment firms?
London leads with 102 company records, followed by Manchester (15) and Bristol (11).
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 825 professional contacts with verified work emails tracked across these 283 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 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 283 clearance recruitment firms based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Clearance recruitment firms by geography
- Clearance recruitment firms based in Atlanta, United States
- Clearance recruitment firms based in Austin, United States
- Clearance recruitment firms based in Chicago, United States
- Clearance recruitment firms based in Dallas, United States
- Clearance recruitment firms based in Denver, United States
- Clearance recruitment firms based in Houston, United States
- Clearance recruitment firms based in New York, United States
- Clearance recruitment firms based in Tampa, United States
- Clearance recruitment firms based in Washington, United States
- Clearance recruitment firms based in Australia
- Clearance recruitment firms based in Brazil
- Clearance recruitment firms based in Canada
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Clearance recruitment firms based in Atlanta, United States
- Clearance recruitment firms based in Austin, United States
- Clearance recruitment firms based in Chicago, United States
- Clearance recruitment firms based in Dallas, United States
- Clearance recruitment firms based in Denver, United States
- Clearance recruitment firms based in Houston, United States
Company intelligence · public preview
Top 25 clearance recruitment firms based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 283 matching company records for clearance recruitment firms based in the United Kingdom, with 2,470 tracked contacts and 825 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 27, 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 clearance recruitment firms based in the United Kingdom
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 |  Vivid Resourcingvividresourcing.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 369 contacts → |
“Vivid Resourcing, a leading international talent solutions partner, connects you with in-demand technical professionals you need to flourish in the Tech, Engineering, Life…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Tangent Internationaltanint.comHQ: Billericay, United KingdomReported employees: 201-500 | Billericay, United Kingdom | 201-500 | Exact match | 244 contacts → |
“Tangent International Integrated Talent and Delivery across Technology and Communications.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Security Cleared Jobssecurityclearedjobs.com HQ: Bromley, United KingdomReported employees: Not recorded | Bromley, United Kingdom | Not recorded | Exact match | 91 contacts → |
“SecurityClearedJobs.com is a UK based job board designed for individuals working across all industry sectors who have obtained Security Clearance or who meet the criteria for…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Optime Groupoptimegroup.co.ukHQ: Crawley, United KingdomReported employees: 51-200 | Crawley, United Kingdom | 51-200 | Exact match | 85 contacts → |
“Optime is a leading force in specialised recruitment, partnering with key players across the aviation, hospitality, rail, security, and warehousing & logistics sectors.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Sqep LTDsqep.comHQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 75 contacts → |
“SQEP provides security-cleared experts across defence, aerospace and critical infrastructure.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  M4 Recruitmentm4recruitment.co.ukHQ: Thatcham, United KingdomReported employees: 11-50 | Thatcham, United Kingdom | 11-50 | Exact match | 56 contacts → |
“Exceeding expectations from the very beginning At M4 Recruitment, our mission statement is “Beyond Expectation”.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Damia Groupdamiagroup.comHQ: Guildford, United KingdomReported employees: 11-50 | Guildford, United Kingdom | 11-50 | Exact match | 49 contacts → |
“Damia Group is a trusted talent solutions partner with over 30 years of experience supporting security-cleared environments, including defence, government, space, and aerospace.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Sanderson Government & Defencesandersonplc.comHQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 47 contacts → |
“Sanderson Government & Defence was established over 20 years ago as a bespoke solution to a unique talent problem: sourcing and placing high-calibre professional talent to work…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Mech Tech Professionalsmechtechpro.comHQ: Caerphilly, United KingdomReported employees: 11-50 | Caerphilly, United Kingdom | 11-50 | Exact match | 46 contacts → |
“We empower businesses by solving one of their biggest challenges: finding the right people.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  First Choice Stafffirstchoiceuk.comHQ: Ashford, United KingdomReported employees: 11-50 | Ashford, United Kingdom | 11-50 | Exact match | 40 contacts → |
“First Choice Staff is a leading UK-based recruitment agency with a 30-year pedigree and network of local branches connecting the best candidates with the best employers offering…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Aviation Recruitment Networkarnl.co.ukHQ: Slough, United KingdomReported employees: 11-50 | Slough, United Kingdom | 11-50 | Exact match | 39 contacts → |
“Aviation Recruitment Network has been a trusted partner to the UK’s commercial aviation industry since As one of the largest providers of recruitment and vetting services in the…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  The Liverpool Recruitment Companytheliverpoolrecruitment.comHQ: Liverpool, United KingdomReported employees: 11-50 | Liverpool, United Kingdom | 11-50 | Exact match | 38 contacts → |
“Recruiting” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  First Military Recruitmentfirst-military.co.ukHQ: Love Lane Industrial Estate, United KingdomReported employees: 11-50 | Love Lane Industrial Estate, United Kingdom | 11-50 | Exact match | 31 contacts → |
“As a trusted recruitment partner we aim to identify the very best ex-military and defence sector talent that is on the market.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Triumph Consultants LTDtclrec.comHQ: Bromley, United KingdomReported employees: 11-50 | Bromley, United Kingdom | 11-50 | Exact match | 30 contacts → |
“Join Triumph Consultants: A Leading Partner in Public Sector Recruitment Since Triumph Consultants Limited has grown from a specialist in local government services to a top…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Luneusluneus.comHQ: Bournemouth Airport, United KingdomReported employees: 11-50 | Bournemouth Airport, United Kingdom | 11-50 | Exact match | 30 contacts → |
“Luneus supports Defense & Space companies in the U.S.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Ex-Mil Recruitment LTD Exmilex-mil.co.ukHQ: Maidenhead, United KingdomReported employees: 1-10 | Maidenhead, United Kingdom | 1-10 | Exact match | 30 contacts → |
“As one of the oldest and established recruitment partners in this sector, we have a reputation 2nd to none in identifying the very best ex-military talent that is currently on the…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Proactive.It Appointments LTDproactive.it HQ: Walton-on-thames, United KingdomReported employees: 11-50 | Walton-on-thames, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Welcome to Proactive.IT Appointments Ltd.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | DCL Searchdclsearch.com HQ: Beckenham, United KingdomReported employees: 11-50 | Beckenham, United Kingdom | 11-50 | Exact match | 26 contacts → |
“DCL Search reduce clients risk by identifying attracting the very best Cyber / Information Security Talent in the industry.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  TACTtact-staffing.comHQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 25 contacts → |
“We help companies build teams with people you won’t find on the market.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Carlton Recruitmentcarlton-recruitment.comHQ: Epsom, United KingdomReported employees: 11-50 | Epsom, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Established in Carlton Recruitment is a successful Recruitment Agency with an excellent reputation for supplying high quality staffing solutions.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Intasointaso.co HQ: Bath, United KingdomReported employees: 11-50 | Bath, United Kingdom | 11-50 | Exact match | 23 contacts → |
“At Intaso we are firm believers that not every business has the same Cyber/ Information Security talent shortages and demands a bespoke offering.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  GTS Group LTDgts-search.comHQ: Milton Keynes, United KingdomReported employees: 11-50 | Milton Keynes, United Kingdom | 11-50 | Exact match | 23 contacts → |
“GTS Group delivers a global consultative, professional, and intelligence-driven approach to staffing, connecting brands with the best talent.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Berkeley Squarebsqtalent.comHQ: Bristol, United KingdomReported employees: 11-50 | Bristol, United Kingdom | 11-50 | Exact match | 22 contacts → |
“With over 25 years of expertise in recruitment for global blue-chip clients, we are driven by a passion for connecting high-caliber talent with the most ambitious organizations.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Probe Technical Recruitmentprobejobs.co.ukHQ: Sutton Coldfield, United KingdomReported employees: 11-50 | Sutton Coldfield, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Founded in 1994, Probe has grown into a highly professional and diverse resourcing organisation.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Icebergthisisiceberg.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 20 contacts → |
“We connect top cybersecurity and eDiscovery talent at Iceberg Cyber Security with the most innovative companies worldwide.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 283 company matches
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Clearance recruitment firms: dataset insights
September 27, 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
283 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 worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 283 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 27, 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 ↗
Questions about this company list
What does Exact match mean for clearance recruitment firms?
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 clearance recruitment firms did RevenueBase find based in the United Kingdom?
The saved snapshot records 283 matching company records, 2,470 tracked contacts and 825 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 27, 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
Clearance recruitment firms by geography
- Clearance recruitment firms based in Atlanta, United States
- Clearance recruitment firms based in Austin, United States
- Clearance recruitment firms based in Chicago, United States
- Clearance recruitment firms based in Dallas, United States
- Clearance recruitment firms based in Denver, United States
- Clearance recruitment firms based in Houston, United States
- Clearance recruitment firms based in New York, United States
- Clearance recruitment firms based in Tampa, United States
- Clearance recruitment firms based in Washington, United States
- Clearance recruitment firms based in Australia
- Clearance recruitment firms based in Brazil
- Clearance recruitment firms based in Canada
Cite this list
RevenueBase Data Team. Top 25 clearance recruitment firms based in the United Kingdom. Snapshot: September 27, 2026. https://revenuebase.ai/companies/clearance-recruitment-firms/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Clearance recruitment firms based in Atlanta, United States
- Clearance recruitment firms based in Austin, United States
- Clearance recruitment firms based in Chicago, United States
- Clearance recruitment firms based in Dallas, United States
- Clearance recruitment firms based in Denver, United States
- Clearance recruitment firms based in Houston, United States
Company intelligence · public preview
Top 25 clearance recruitment firms based in the United Kingdom
RevenueBase records 283 matching company records for clearance recruitment firms based in the United Kingdom, with 2,470 tracked contacts and 825 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 27, 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 clearance recruitment firms based in the United Kingdom
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 | Vivid Resourcingvividresourcing.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 369 contacts → |
“Vivid Resourcing, a leading international talent solutions partner, connects you with in-demand technical professionals you need to flourish in the Tech, Engineering, Life…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Tangent Internationaltanint.com HQ: Billericay, United KingdomReported employees: 201-500 | Billericay, United Kingdom | 201-500 | Exact match | 244 contacts → |
“Tangent International Integrated Talent and Delivery across Technology and Communications.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Security Cleared Jobssecurityclearedjobs.com HQ: Bromley, United KingdomReported employees: Not recorded | Bromley, United Kingdom | Not recorded | Exact match | 91 contacts → |
“SecurityClearedJobs.com is a UK based job board designed for individuals working across all industry sectors who have obtained Security Clearance or who meet the criteria for…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Optime Groupoptimegroup.co.uk HQ: Crawley, United KingdomReported employees: 51-200 | Crawley, United Kingdom | 51-200 | Exact match | 85 contacts → |
“Optime is a leading force in specialised recruitment, partnering with key players across the aviation, hospitality, rail, security, and warehousing & logistics sectors.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Sqep LTDsqep.com HQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 75 contacts → |
“SQEP provides security-cleared experts across defence, aerospace and critical infrastructure.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | M4 Recruitmentm4recruitment.co.uk HQ: Thatcham, United KingdomReported employees: 11-50 | Thatcham, United Kingdom | 11-50 | Exact match | 56 contacts → |
“Exceeding expectations from the very beginning At M4 Recruitment, our mission statement is “Beyond Expectation”.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Damia Groupdamiagroup.com HQ: Guildford, United KingdomReported employees: 11-50 | Guildford, United Kingdom | 11-50 | Exact match | 49 contacts → |
“Damia Group is a trusted talent solutions partner with over 30 years of experience supporting security-cleared environments, including defence, government, space, and aerospace.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sanderson Government & Defencesandersonplc.com HQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 47 contacts → |
“Sanderson Government & Defence was established over 20 years ago as a bespoke solution to a unique talent problem: sourcing and placing high-calibre professional talent to work…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Mech Tech Professionalsmechtechpro.com HQ: Caerphilly, United KingdomReported employees: 11-50 | Caerphilly, United Kingdom | 11-50 | Exact match | 46 contacts → |
“We empower businesses by solving one of their biggest challenges: finding the right people.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | First Choice Stafffirstchoiceuk.com HQ: Ashford, United KingdomReported employees: 11-50 | Ashford, United Kingdom | 11-50 | Exact match | 40 contacts → |
“First Choice Staff is a leading UK-based recruitment agency with a 30-year pedigree and network of local branches connecting the best candidates with the best employers offering…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Aviation Recruitment Networkarnl.co.uk HQ: Slough, United KingdomReported employees: 11-50 | Slough, United Kingdom | 11-50 | Exact match | 39 contacts → |
“Aviation Recruitment Network has been a trusted partner to the UK’s commercial aviation industry since As one of the largest providers of recruitment and vetting services in the…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | The Liverpool Recruitment Companytheliverpoolrecruitment.com HQ: Liverpool, United KingdomReported employees: 11-50 | Liverpool, United Kingdom | 11-50 | Exact match | 38 contacts → |
“Recruiting” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | First Military Recruitmentfirst-military.co.uk HQ: Love Lane Industrial Estate, United KingdomReported employees: 11-50 | Love Lane Industrial Estate, United Kingdom | 11-50 | Exact match | 31 contacts → |
“As a trusted recruitment partner we aim to identify the very best ex-military and defence sector talent that is on the market.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Triumph Consultants LTDtclrec.com HQ: Bromley, United KingdomReported employees: 11-50 | Bromley, United Kingdom | 11-50 | Exact match | 30 contacts → |
“Join Triumph Consultants: A Leading Partner in Public Sector Recruitment Since Triumph Consultants Limited has grown from a specialist in local government services to a top…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Luneusluneus.com HQ: Bournemouth Airport, United KingdomReported employees: 11-50 | Bournemouth Airport, United Kingdom | 11-50 | Exact match | 30 contacts → |
“Luneus supports Defense & Space companies in the U.S.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ex-Mil Recruitment LTD Exmilex-mil.co.uk HQ: Maidenhead, United KingdomReported employees: 1-10 | Maidenhead, United Kingdom | 1-10 | Exact match | 30 contacts → |
“As one of the oldest and established recruitment partners in this sector, we have a reputation 2nd to none in identifying the very best ex-military talent that is currently on the…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Proactive.It Appointments LTDproactive.it HQ: Walton-on-thames, United KingdomReported employees: 11-50 | Walton-on-thames, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Welcome to Proactive.IT Appointments Ltd.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | DCL Searchdclsearch.com HQ: Beckenham, United KingdomReported employees: 11-50 | Beckenham, United Kingdom | 11-50 | Exact match | 26 contacts → |
“DCL Search reduce clients risk by identifying attracting the very best Cyber / Information Security Talent in the industry.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | TACTtact-staffing.com HQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 25 contacts → |
“We help companies build teams with people you won’t find on the market.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Carlton Recruitmentcarlton-recruitment.com HQ: Epsom, United KingdomReported employees: 11-50 | Epsom, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Established in Carlton Recruitment is a successful Recruitment Agency with an excellent reputation for supplying high quality staffing solutions.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Intasointaso.co HQ: Bath, United KingdomReported employees: 11-50 | Bath, United Kingdom | 11-50 | Exact match | 23 contacts → |
“At Intaso we are firm believers that not every business has the same Cyber/ Information Security talent shortages and demands a bespoke offering.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | GTS Group LTDgts-search.com HQ: Milton Keynes, United KingdomReported employees: 11-50 | Milton Keynes, United Kingdom | 11-50 | Exact match | 23 contacts → |
“GTS Group delivers a global consultative, professional, and intelligence-driven approach to staffing, connecting brands with the best talent.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Berkeley Squarebsqtalent.com HQ: Bristol, United KingdomReported employees: 11-50 | Bristol, United Kingdom | 11-50 | Exact match | 22 contacts → |
“With over 25 years of expertise in recruitment for global blue-chip clients, we are driven by a passion for connecting high-caliber talent with the most ambitious organizations.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Probe Technical Recruitmentprobejobs.co.uk HQ: Sutton Coldfield, United KingdomReported employees: 11-50 | Sutton Coldfield, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Founded in 1994, Probe has grown into a highly professional and diverse resourcing organisation.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Icebergthisisiceberg.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 20 contacts → |
“We connect top cybersecurity and eDiscovery talent at Iceberg Cyber Security with the most innovative companies worldwide.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 283 company matches
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Clearance recruitment firms: dataset insights
September 27, 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
283 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 worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 283 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 27, 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 ↗
Questions about this company list
What does Exact match mean for clearance recruitment firms?
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 clearance recruitment firms did RevenueBase find based in the United Kingdom?
The saved snapshot records 283 matching company records, 2,470 tracked contacts and 825 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 27, 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
Clearance recruitment firms by geography
- Clearance recruitment firms based in Atlanta, United States
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- Clearance recruitment firms based in Brazil
- Clearance recruitment firms based in Canada
Cite this list
RevenueBase Data Team. Top 25 clearance recruitment firms based in the United Kingdom. Snapshot: September 27, 2026. https://revenuebase.ai/companies/clearance-recruitment-firms/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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