Company lists · Data refreshed September 2026

Top 25 Defense technology consulting firms based in the United Kingdom

Name: Defense technology consulting firms based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 221 companies tracked

RevenueBase identified 221 defense technology consulting firms headquartered in the United Kingdom as of September 2026 and tracks 4,956 professional contacts across them, including 2,615 with verified work emails. London is the largest hub.

This list covers defense technology consulting firms headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

221Companies

4,956Contacts tracked

2,615Verified emails

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The 25 largest defense technology consulting firms based in the United Kingdom

Ranked by team size

Top 25 of 221 defense technology consulting firms based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to defense technology consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Frazer-Nash Consultancy	Partial evidence	Leatherhead, United KingdomHQ checked Sep 28, 2026	1,001-5,000	1,437 contacts →
	Partial evidence “With offices in the UK and Australia, Frazer-Nash is a leading systems, engineering and technology company.” Source: RevenueBase Database · checked Sep 28, 2026
2	ROKE	Partial evidence	Romsey, United KingdomHQ checked Sep 28, 2026	1,001-5,000	679 contacts →
	Partial evidence “At Roke, we stand at the forefront of defence and security, delivering cutting-edge intelligence and engineering solutions that protect nations, troops, borders, and businesses.” Source: RevenueBase Database · checked Sep 28, 2026
3	JANES	Indirect evidence	Croydon, United KingdomHQ checked Sep 28, 2026	501-1,000	608 contacts →
	Indirect evidence “In a complex global landscape, leaders need accurate information and full context quickly.” Source: RevenueBase Database · checked Sep 28, 2026
4	Analysys Mason	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	201-500	459 contacts →
	Partial evidence “Analysys Mason is the leading specialist consultancy, creating lasting value in technology-intensive industries, including telecoms, digital infrastructure, software, IT services…” Source: RevenueBase Database · checked Sep 28, 2026
5	CDS Defence & Security	Partial evidence	Cheltenham, United KingdomHQ checked Sep 28, 2026	51-200	156 contacts →
	Partial evidence “CDS Defence & Security is a technical consultancy working to enhance operational effectiveness and bring about behavioural change in the defence sector.” Source: RevenueBase Database · checked Sep 28, 2026
6	Nova Systems International	Partial evidence	Bristol, United KingdomHQ checked Sep 28, 2026	51-200	116 contacts →
	Partial evidence “Nova Systems is a leading global engineering services and technology solutions company with more than employees working from strategically located offices around the world…” Source: RevenueBase Database · checked Sep 28, 2026
7	Amethyst Risk Management	Partial evidence	Basingstoke, United KingdomHQ checked Sep 28, 2026	11-50	85 contacts →
	Partial evidence “Amethyst Risk Management is a leading cybersecurity consultancy supplying expert services and support to the UK Government, Defence, Operators of Essential Services, and the…” Source: RevenueBase Database · checked Sep 28, 2026
8	Principle ONE	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	78 contacts →
	Partial evidence “Principle One provides Systems Engineering, Architecture and Business Consulting services within the Law Enforcement, National Security, Health and wider public sector.” Source: RevenueBase Database · checked Sep 28, 2026
9	Tessella	Indirect evidence	Abingdon, United KingdomHQ checked Sep 28, 2026	5,001-10,000	75 contacts →
	Indirect evidence “Tessella is now Capgemini Engineering.” Source: RevenueBase Database · checked Sep 28, 2026
10	Sqep LTD	Partial evidence	Bristol, United KingdomHQ checked Sep 28, 2026	51-200	75 contacts →
	Partial evidence “SQEP provides security-cleared experts across defence, aerospace and critical infrastructure.” Source: RevenueBase Database · checked Sep 28, 2026
11	Synoptix	Indirect evidence	Bristol, United KingdomHQ checked Sep 28, 2026	51-200	75 contacts →
	Indirect evidence “Synoptix was formed in 2011 to provide engineering solutions across various technical industries.” Source: RevenueBase Database · checked Sep 28, 2026
12	ABP Technologies	Partial evidence	Poole, United KingdomHQ checked Sep 28, 2026	11-50	66 contacts →
	Partial evidence “At ABP our mission is to support organisations through our high-performance precision engineering for the civilian and defence sectors.” Source: RevenueBase Database · checked Sep 28, 2026
13	Twinstream	Partial evidence	Cheltenham, United KingdomHQ checked Sep 28, 2026	51-200	66 contacts →
	Partial evidence “In 2019, our founders were working as engineers solving complex cross-domain problems in defence and security organisations.” Source: RevenueBase Database · checked Sep 28, 2026
14	Daintta	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	60 contacts →
	Indirect evidence “We provide deep expertise with technical and business specialists to help clients secure and protect the UK.” Source: RevenueBase Database · checked Sep 28, 2026
15	Damia Group	Partial evidence	Guildford, United KingdomHQ checked Sep 28, 2026	11-50	49 contacts →
	Partial evidence “Damia Group is a trusted talent solutions partner with over 30 years of experience supporting security-cleared environments, including defence, government, space, and aerospace.” Source: RevenueBase Database · checked Sep 28, 2026
16	Shephard Group	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	43 contacts →
	Partial evidence “Shephard Group delivers trusted insight and marketing solutions to support informed decisions across the global defence ecosystem.” Source: RevenueBase Database · checked Sep 28, 2026
17	X-Net Services LTD	Indirect evidence	Winfrith Newburgh, United KingdomHQ checked Sep 28, 2026	11-50	36 contacts →
	Indirect evidence “X-Net (Services) Ltd Formerly known as Kimcell Ltd, incorporating the X-Net, e-mango and Datacenta Hosting brands.” Source: RevenueBase Database · checked Sep 28, 2026
18	North Tower Consulting	Strong evidence	Cheltenham, United KingdomHQ checked Sep 28, 2026	11-50	30 contacts →
	Strong evidence “North Tower Consulting (NTC) is a specialist technology and customised software solutions consultancy based in Cheltenham, providing professional expertise in Cyber Security…” Source: RevenueBase Database · checked Sep 28, 2026
19	Universal Defence And Security Solutions	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	201-500	29 contacts →
	Partial evidence “Defence and security services consultancy.” Source: RevenueBase Database · checked Sep 28, 2026
20	Hamiltonian Dynamics	Indirect evidence	Gloucestershire, United KingdomHQ checked Sep 28, 2026	11-50	23 contacts →
	Indirect evidence “At Hamiltonian Dynamics we have a secure by design engineering mindset built into the core of our company.” Source: RevenueBase Database · checked Sep 28, 2026
21	Anotherday	Strong evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	21 contacts →
	Strong evidence “AnotherDay is a new kind of defence & security consulting firm established to bring the power of effective intelligence and strategy to the challenge of safeguarding individuals…” Source: RevenueBase Database · checked Sep 28, 2026
22	Itsus Consulting	Indirect evidence	Cardiff, United KingdomHQ checked Sep 28, 2026	11-50	20 contacts →
	Indirect evidence “Our purpose: We foster a forward-thinking, multi-disciplinary organisation that continues to attract talented people and collaborates with like-minded organisations to make a…” Source: RevenueBase Database · checked Sep 28, 2026
23	D J Goode & Associates LTD	Partial evidence	Alpheton, United KingdomHQ checked Sep 28, 2026	11-50	18 contacts →
	Partial evidence “We are a leading firm of consulting & test engineers, specialising in the provision of counter terrorism advice, security design, blast and ballistic engineering, weapons effects…” Source: RevenueBase Database · checked Sep 28, 2026
24	Exsel Group	Strong evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	18 contacts →
	Strong evidence “The Exsel Group is a leading independent defence technology solutions company – providing engineering solutions, technology systems and support services to Defence and Industry…” Source: RevenueBase Database · checked Sep 28, 2026
25	DEV Null Security	Indirect evidence	Edinburgh, United KingdomHQ checked Sep 28, 2026	11-50	17 contacts →
	Indirect evidence “We are a cyber security consultancy that specialises in security solution architecture, engineering, implementation and operational support.” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: defense technology consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names defense technology consulting firms.
Partial evidence: Its own public description names part of defense technology consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name defense technology consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 221 defense technology consulting firms based in the United Kingdom

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Defense technology consulting firms based in the United Kingdom at a glance

As of Sep 28, 2026

52.8%Verified-email coverage

22.4Average contacts per company

1-10Median size (employees)

30.8%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

149

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 221 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among defense technology consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United Kingdom whose own description of what they do matches “defense technology consulting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names defense technology consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among defense technology consulting firms, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 2,615 across the full list. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Defense technology consulting firms by metro

Defense technology consulting firms in London68

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names defense technology consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many defense technology consulting firms are there based in the United Kingdom?

RevenueBase identified 221 defense technology consulting firms headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Frazer-Nash Consultancy, headquartered in Leatherhead, tops this list with the largest team on record.

Which city has the most defense technology consulting firms?

London leads with 68 headquartered companies, followed by Bristol (12) and Cheltenham (9).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,615 verified decision-maker contacts tracked across these 221 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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 Smart Search, 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.