Company lists · Data refreshed October 2026

Top 25 Defense contractor compliance firms based in the United Kingdom

RevenueBase identified 94 company matches for defense contractor compliance firms associated with the United Kingdom as of October 2026 and tracks 1,187 professional contacts across them, including 461 with verified work emails. London is the largest hub.

This list covers company matches for defense contractor compliance 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 October 11, 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 Oct 11, 2026 How this list was built
94Companies
1,187Contacts tracked
461Verified emails
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The 25 largest defense contractor compliance firms based in the United Kingdom

Ranked by team size
Top 25 of 94 company matches for defense contractor compliance firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 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 matchCardiff, United KingdomHQ recorded Oct 11, 20261,001-5,000304 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
2Exact matchWest Malling, United KingdomHQ recorded Oct 11, 2026201-500148 contacts →

Exact match

“Amtivo Group provides expert certification services for ISO standards, as well as training and related services.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
3Exact matchMorden, United KingdomHQ recorded Oct 11, 202651-200106 contacts →

Exact match

“Veriforce CHAS is the UK’s leading provider of supply chain compliance and risk management solutions.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
4Exact matchBasingstoke, United KingdomHQ recorded Oct 11, 202611-5087 contacts →

Exact match

“Amethyst Risk Management is a leading cybersecurity consultancy supplying expert services and support to the UK Government, Defence, Operators of Essential Services, and the…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
5Exact matchGlasgow, United KingdomHQ recorded Oct 11, 202651-20054 contacts →

Exact match

“International Associates (IA) is a leading provider of assessment, audit, verification, certification and training services.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
6Exact matchBasingstoke, United KingdomHQ recorded Oct 11, 202611-5022 contacts →

Exact match

“We help organisations achieve business-focused cybersecurity compliance across various industry and regulatory frameworks with successful stakeholder management, particularly in…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7Exact matchHalesowen, United KingdomHQ recorded Oct 11, 202611-5018 contacts →

Exact match

“Advent IM is the UK’s leading independent GRC information and physical security consultancy and training provider.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
8Exact matchSouthwark, United KingdomHQ recorded Oct 11, 202611-5018 contacts →

Exact match

“AvISO Consultancy helps organisations build management systems that genuinely work in practice.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Oct 11, 202611-5017 contacts →

Exact match

“We at CF assist enterprises manage IT risks better.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Oct 11, 202611-5017 contacts →

Exact match

“Glocert International is an emerging leader in the Testing, Inspection and Certification (TIC) industry.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Oct 11, 202651-20015 contacts →

Exact match

“We provide a wide range of auditing, certification and gap analysis services on; AI, DORA, NIS2, Information Security, Business Continuity, International IT Service, GDPR and…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12Exact matchWinchester, United KingdomHQ recorded Oct 11, 202611-5013 contacts →

Exact match

“Security Consultants at Infosec Partners are formally trained to a high degree, having at least one of the following Security Management certifications: CESG CLAS, CISSP, CISM…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13Exact matchHarrow-on-the-hill, United KingdomHQ recorded Oct 11, 20261-107 contacts →

Exact match

“ERS Consultancy is an Information Security services firm offering a diverse portfolio of services including security training & certification, penetration testing, computer…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14Exact matchMilton Keynes, United KingdomHQ recorded Oct 11, 20261-106 contacts →

Exact match

“We help our clients with: health and safety, sustainability, quality management, cyber & information security and much more.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15Exact matchTewkesbury, United KingdomHQ recorded Oct 11, 20261-105 contacts →

Exact match

“Information security and compliance can be a challenging process across many areas and for many organisations.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16Exact matchNewquay, United KingdomHQ recorded Oct 11, 20261-105 contacts →

Exact match

“Companies don’t struggle with compliance because it’s impossible.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Oct 11, 20261-105 contacts →

Exact match

“As a distinguished UK National Cyber Security Center (NCSC) Assured Services Provider and an authorised certification body for esteemed credentials such as Cyber Essentials, Cyber…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18Exact matchIbstock, United KingdomHQ recorded Oct 11, 20261-105 contacts →

Exact match

“We are a boutique agency of specialist ISO 27001 consultants helping customers to manage their Information Security Management Systems.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19Exact matchPerth, United KingdomHQ recorded Oct 11, 20261-105 contacts →

Exact match

“Glen Abbot is a leading independent Business Continuity and Information Security consultancy firm with clients from Coventry to Calgary, Perth to Plymouth and Stavanger to…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
20Exact matchHull, United KingdomHQ recorded Oct 11, 20261-105 contacts →

Exact match

“Pera Prometheus Consulting Ltd is a veteran-owned UK-based information security consultancy delivering tailored, high-impact security and compliance solutions.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
21Exact matchNottingham, United KingdomHQ recorded Oct 11, 20261-104 contacts →

Exact match

“The Swift team come from a variety of business backgrounds.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22Exact matchLeeds, United KingdomHQ recorded Oct 11, 20261-104 contacts →

Exact match

“Security standards like ISO27001 can help.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23Exact matchBroxburn, United KingdomHQ recorded Oct 11, 20261-104 contacts →

Exact match

“Empowering Fire & Security and Facilities Management Companies with Tailored Training and Auditing Solutions At Ember Compliance, we take pride in delivering training that not…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24Exact matchChatham, United KingdomHQ recorded Oct 11, 202611-504 contacts →

Exact match

“Intex IT is an Information Security Consultancy We provide Consultancy in the following areas: ISO 27001 –Information Security Management System (ISMS) ISO 27005 – Risk Management…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25Exact matchCrawley, United KingdomHQ recorded Oct 11, 202611-503 contacts →

Exact match

“Established in 2016 and based in West Sussex.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase

Showing 25 of 94 defense contractor compliance firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 461 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Defense contractor compliance firms based in the United Kingdom at a glance

As of Oct 11, 2026
38.8%Verified-email coverage
12.6Average contacts per company
1-10Median size (employees)
20.2%Largest-city concentration · London
Oct 11, 2026Page data refreshed

Companies by employee count

1-10
68
11-50
17
51-200
6
201-500
1
1,001-5,000
2

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 94 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 “defense contractor compliance 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 461 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 October 11, 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 “defense contractor compliance firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many defense contractor compliance firms are there based in the United Kingdom?

RevenueBase identified 94 company matches for defense contractor compliance firms associated with the United Kingdom as of October 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?

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

Which city has the most defense contractor compliance firms?

London leads with 19 company records, followed by Leeds (5) and Birmingham (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 461 professional contacts with verified work emails tracked across these 94 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 October 11, 2026.

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About this data

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