Company lists · Data verified August 2026

Top 25 Defense systems integration consultants based in the United Kingdom

Name: Defense systems integration consultants based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 288 companies tracked

There are 288 defense systems integration consultants headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 7,868 professional contacts across them, including 3,463 with verified work emails and 697 with mobile numbers. London is the largest hub.

This list covers defense systems integration consultants headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

288Companies

7,868Contacts tracked

3,463Verified emails

697Mobile numbers

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The 25 largest defense systems integration consultants based in the United Kingdom

Ranked by team size

Top 25 of 288 defense systems integration consultants based in the United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Frazer-Nash Consultancy	Bristol	1,001-5,000	1,445	868
2	Metrea	London	501-1,000	674	143
3	MASS	Lincoln	201-500	633	203
4	GTD	London	201-500	417	45
5	Trinity Fire & Security Systems	Wallsend	501-1,000	385	217
6	Kings Secure Technologies	London	501-1,000	326	173
7	Northland Controls	Letchworth Garden City	201-500	266	129
8	Aquila AIR Traffic Management Services	Whiteley	201-500	208	139
9	Evolution Electronic Security Systems LTD	Birmingham	201-500	202	150
10	Chess Dynamics	Horsham	201-500	177	119
11	CDS Defence & Security	Cheltenham	51-200	157	96
12	STS Defence	Gosport	51-200	122	60
13	CINOS	Ilkeston	51-200	117	3
14	European Electronique	Witney	51-200	116	51
15	Securecloud	Theale Reading	51-200	100	50
16	Total Integrated Solutions TIS LTD	Leeds	51-200	96	64
17	Principle ONE	London	51-200	77	44
18	Sqep LTD	Bristol	51-200	76	31
19	Synoptix	Bristol	51-200	76	11
20	Bluesmith Information Systems	Leeds	51-200	73	59
21	Forfusion LTD	Newcastle Upon Tyne	51-200	65	50
22	Daintta	London	51-200	61	18
23	Sword Ping Network Solutions	Bellshill	51-200	56	40
24	Alphatrack Systems	Harlow	201-500	56	34
25	Simkiss Control Systems LTD	Manchester	51-200	47	28

Showing 25 of 288 defense systems integration consultants based in the United Kingdom

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Defense systems integration consultants based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 68 HQs

697Contacts with mobile numbers

4Emails re-verified in last 30 days

Companies by employee count

1-10

151

11-50

51-200

201-500

501-1,000

1,001-5,000

Defense systems integration consultants by metro

Metro	Companies
Defense systems integration consultants in London	68
Defense systems integration consultants in Bristol	10
Defense systems integration consultants in Manchester	5
Defense systems integration consultants in Farnborough	4
Defense systems integration consultants in Reading	4
Defense systems integration consultants in Glasgow	4
Defense systems integration consultants in Hereford	3

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “defense systems integration consultants”, with match quality audited by blind human judging, and headquartered in the United Kingdom.
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: Contact records re-verify on a rolling cadence; 4 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many defense systems integration consultants are there based in the United Kingdom?

There are 288 defense systems integration consultants headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most defense systems integration consultants?

London leads with 68 headquartered companies, followed by Bristol (10) and Manchester (5).

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 3,463 verified decision-maker contacts tracked across these 288 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.