Company lists · Data refreshed November 2026

Top 25 Border security services based in the United Kingdom

RevenueBase identified 110 company matches for border security services associated with the United Kingdom as of November 2026 and tracks 4,794 professional contacts across them, including 407 with verified work emails. London is the largest hub.

This list covers company matches for border security services 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 November 5, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
110Companies
4,794Contacts tracked
407Verified emails
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The 25 largest border security services based in the United Kingdom

Ranked by team size
Top 25 of 110 company matches for border security services based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchPortsmouth, United KingdomHQ recorded Nov 5, 2026201-500135 contacts →

Exact match

“Vespasian Security was formed in February 2006.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchCastle Donington, United KingdomHQ recorded Nov 5, 2026501-1,000113 contacts →

Exact match

“Protecting People, Property, Assets & Brands.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 5, 2026201-50067 contacts →

Exact match

“Black Diamond Security - Safeguarding Your World.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 5, 2026501-1,00050 contacts →

Exact match

“AK9 Security and FM Solutions offers comprehensive security solutions for businesses, governmental organizations, and residential areas.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-20049 contacts →

Exact match

“Established in Custom Intelligent Security is a technology driven ISO27001 & NSi Gold Accredited independent electronic security specialist with a proven track record of…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchWolverhampton, United KingdomHQ recorded Nov 5, 202651-20043 contacts →

Exact match

“ATEC are here to make your business safe, giving you the confidence in the security of your business so It can thrive every day, now and long into the future.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchBletchley, United KingdomHQ recorded Nov 5, 2026201-50042 contacts →

Exact match

“All in Black are an accredited security solutions provider with over 20 years’ experience at the highest level across the UK.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5036 contacts →

Exact match

“Our elite teams offer bespoke, integrated security solutions that adapt and react to the evolving threat landscape.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchDarwen, United KingdomHQ recorded Nov 5, 202651-20031 contacts →

Exact match

“Many security companies pull together different providers to deliver a single service.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchNottingham, United KingdomHQ recorded Nov 5, 202651-20028 contacts →

Exact match

“Trident Security Services is an established, reliable and accredited security protection firm.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchRochester, United KingdomHQ recorded Nov 5, 202611-5027 contacts →

Exact match

“More than just a manufacturer, we offer a full service.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchAshton, United KingdomHQ recorded Nov 5, 202611-5018 contacts →

Exact match

“Komcept Solutions Ltd.(KSL) is a British company that has been providing cutting-edge security and intelligence solutions, and working with Government agencies both in the UK and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchManchester, United KingdomHQ recorded Nov 5, 202611-5017 contacts →

Exact match

“We understand when running a business you need to make efficient use of your time, the goal to minimize tasks, while being effective and productive to enable you to deliver the…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchBirmingham, United KingdomHQ recorded Nov 5, 202611-5016 contacts →

Exact match

“We are best security services provider in England and standing strong within the industry as one of the top most integrated security solutions company.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchCrawley, United KingdomHQ recorded Nov 5, 202611-5015 contacts →

Exact match

“ISM is a Solutions Business with more than 30 years world leading experience in the manufacturing and inventing of integrated security management solutions, encompassing alarm…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchOrrell, United KingdomHQ recorded Nov 5, 202611-5015 contacts →

Exact match

“Specialist provider of Security services including perimeter and site protection, Covid safety, production efficiency & Health and Safety.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-20014 contacts →

Exact match

“Looking for security?”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchOldham, United KingdomHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“Clear Watch Security is an SIA Approved Contractor providing professional, technology-assisted security solutions to businesses of all sizes.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5012 contacts →

Exact match

“We take your security seriously and ensure that you and your property are safe and in secure hands.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Nov 5, 2026201-50011 contacts →

Exact match

“In today’s ever-changing security threats environment, you need a security partner you can depend on.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchPeterborough, United KingdomHQ recorded Nov 5, 202611-508 contacts →

Exact match

“PDP offers a unique blend of security solutions, covering all aspects of human, physical and cyber security, which are designed to meet the specific needs of clients in both…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchBirmingham, United KingdomHQ recorded Nov 5, 202651-2008 contacts →

Exact match

“SAS Managed Services Limited an award-winning company in 2022 & 2023 has the expertise, knowledge and resources to offer a wide range of security services, delivering bespoke…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchLewes, United KingdomHQ recorded Nov 5, 20261-107 contacts →

Exact match

“Insight Security is a UK based company providing both off the shelf and bespoke security solutions to a wide variety of commercial and domestic customers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchSalisbury, United KingdomHQ recorded Nov 5, 202611-507 contacts →

Exact match

“Established in 2006, Blue Nine is a trusted security solutions provider, serving government entities, commercial organisations, and private clients.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchBirmingham, United KingdomHQ recorded Nov 5, 20261-106 contacts →

Exact match

“Tactile Technology is a leading provider of comprehensive physical and cyber security services.”

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

Showing 25 of 110 border security services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 407 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Border security services based in the United Kingdom at a glance

As of Nov 5, 2026
8.5%Verified-email coverage
43.6Average contacts per company
11-50Median size (employees)
21.8%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
30
11-50
34
51-200
26
201-500
15
501-1,000
2
5,001-10,000
1
10001+
1

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 110 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 “border security services” 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 407 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 5, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

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 “border security services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many border security services are there based in the United Kingdom?

RevenueBase identified 110 company matches for border security services associated with the United Kingdom as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Vespasian Security tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most border security services?

London leads with 24 company records, followed by Birmingham (4) and Crawley (3).

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 407 professional contacts with verified work emails tracked across these 110 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 2026.

Ready to reach these companies? Verified emails and direct dials for all 110 border security services based in the United Kingdom. Start with a free account, no credit card.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.