Company lists · Data refreshed September 2026

Top 25 Defense electronics manufacturers based in the United Kingdom

Name: Defense electronics manufacturers based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 168 companies tracked

RevenueBase identified 168 defense electronics manufacturers headquartered in the United Kingdom as of September 2026 and tracks 7,209 professional contacts across them, including 2,261 with verified work emails. London is the largest hub.

This list covers defense electronics manufacturers 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 16, 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 16, 2026 86% judged on-target in blind review

168Companies

7,209Contacts tracked

2,261Verified emails

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The 25 largest defense electronics manufacturers based in the United Kingdom

Ranked by team size

Top 25 of 168 defense electronics manufacturers based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to defense electronics manufacturers: 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	TT Electronics PLC	Strong evidence	London, United KingdomHQ checked Sep 16, 2026	1,001-5,000	2,629 contacts →
	Strong evidence “At TT Electronics - we engineer and manufacture electronics that enable a safer, healthier and more sustainable world.” Source: RevenueBase Database · checked Sep 16, 2026
2	Smiths Interconnect	Partial evidence	London, United KingdomHQ checked Sep 16, 2026	10001+	809 contacts →
	Partial evidence “Smiths Interconnect, a Molex company, is a leading provider of high reliability connectivity products and solutions serving segments of aerospace and defense, medical…” Source: RevenueBase Database · checked Sep 16, 2026
3	Chelton	Partial evidence	Marlow, United KingdomHQ checked Sep 16, 2026	201-500	276 contacts →
	Partial evidence “Chelton is the trusted name in aerospace and defence - where innovation meets reliability.” Source: RevenueBase Database · checked Sep 16, 2026
4	Chess Dynamics	Partial evidence	Horsham, United KingdomHQ checked Sep 16, 2026	201-500	176 contacts →
	Partial evidence “Defence Leaders around the world work with Chess for market-leading, reliable defence systems.” Source: RevenueBase Database · checked Sep 16, 2026
5	Radio Design	Partial evidence	Shipley, United KingdomHQ checked Sep 16, 2026	201-500	176 contacts →
	Partial evidence “Radio Design is a global leader in delivering cutting-edge RF solutions to the Mobile Networks, Defence, and Aerospace markets.” Source: RevenueBase Database · checked Sep 16, 2026
6	Meggitt	Indirect evidence	London, United KingdomHQ checked Sep 16, 2026	n/a	150 contacts →
	Indirect evidence “Aero aftermarket consultancy” Source: RevenueBase Database · checked Sep 16, 2026
7	Flight Refuelling LTD	Indirect evidence	Dorset, United KingdomHQ checked Sep 16, 2026	10001+	148 contacts →
	Indirect evidence “Key Facts We have a deep understanding of how our equipment will be used and never lose sight of what’s important to our customers.” Source: RevenueBase Database · checked Sep 16, 2026
8	Elbit Systems UK	Indirect evidence	United KingdomHQ checked Sep 16, 2026	501-1,000	130 contacts →
	Indirect evidence “ESUK is a trusted partner to the UK Armed Forces, delivering advanced technology and innovation that strengthen national security and operational advantage.” Source: RevenueBase Database · checked Sep 16, 2026
9	STS Defence	Strong evidence	Gosport, United KingdomHQ checked Sep 16, 2026	51-200	120 contacts →
	Strong evidence “STS Defence, a part of the Cicor Group, is a UK-based engineering and technology company specialising in mission-critical, secure communications & networks, electronic warfare &…” Source: RevenueBase Database · checked Sep 16, 2026
10	Steatite Limited	Indirect evidence	Redditch, United KingdomHQ checked Sep 16, 2026	51-200	113 contacts →
	Indirect evidence “Steatite Ltd is a market leader in the design, production, test and supply of rugged industrial computers, MANET radio systems, advanced wideband antennas, and imaging…” Source: RevenueBase Database · checked Sep 16, 2026
11	Drumgrange LTD	Strong evidence	Chertsey, United KingdomHQ checked Sep 16, 2026	51-200	105 contacts →
	Strong evidence “Drumgrange is an independent British engineering company, specialising in the design, development, manufacture and through-life support of electronics and communications systems.” Source: RevenueBase Database · checked Sep 16, 2026
12	CRFS	Indirect evidence	Cambridge, United KingdomHQ checked Sep 16, 2026	51-200	104 contacts →
	Indirect evidence “CRFS was acquired by Motorola Solutions in 2025.” Source: RevenueBase Database · checked Sep 16, 2026
13	Chemring	Indirect evidence	Romsey, United KingdomHQ checked Sep 16, 2026	1,001-5,000	96 contacts →
	Indirect evidence “Chemring is a world-leading technology business designing, manufacturing, supplying and supporting high-technology sensors, information, countermeasures and energetic solutions.” Source: RevenueBase Database · checked Sep 16, 2026
14	Navtech Radar	Partial evidence	Oxfordshire, United KingdomHQ checked Sep 16, 2026	51-200	88 contacts →
	Partial evidence “Navtech Radar is a world-leading innovator, award-winning designer and manufacturer of commercially deployed radar solutions.” Source: RevenueBase Database · checked Sep 16, 2026
15	Kelvin Hughes A Hensoldt Company	Indirect evidence	Enfield, United KingdomHQ checked Sep 16, 2026	201-500	84 contacts →
	Indirect evidence “Kelvin Hughes (A Hensoldt Company) is a global radar system solution provider meeting the surveillance, security and safety needs of the world’s critical civil infrastructure…” Source: RevenueBase Database · checked Sep 16, 2026
16	Active-Pcb Solutions LTD	Partial evidence	Reading, United KingdomHQ checked Sep 16, 2026	51-200	82 contacts →
	Partial evidence “Active-PCB Solutions is a focused, responsive and dependable Electronic Manufacturing Services provider (EMS) specialising in small to medium batch production for high-complexity…” Source: RevenueBase Database · checked Sep 16, 2026
17	Hensoldt UK	Indirect evidence	Enfield, United KingdomHQ checked Sep 16, 2026	201-500	79 contacts →
	Indirect evidence “HENSOLDT UK is a world leader in manufacturing and supplying maritime navigation and surveillance radar systems.” Source: RevenueBase Database · checked Sep 16, 2026
18	AQ Wiring Systems Rockford	Strong evidence	Rendlesham, United KingdomHQ checked Sep 16, 2026	51-200	74 contacts →
	Strong evidence “AQ Wiring Systems Rockford designs and manufactures high-reliability electrical systems, cable assemblies, and electro-mechanical solutions for defence, aerospace, and advanced…” Source: RevenueBase Database · checked Sep 16, 2026
19	Plextek	Indirect evidence	Great Chesterford, United KingdomHQ checked Sep 16, 2026	51-200	72 contacts →
	Indirect evidence “We support organisations to bring highly technical products and services to market.” Source: RevenueBase Database · checked Sep 16, 2026
20	Aish Technologies LTD	Partial evidence	Poole, United KingdomHQ checked Sep 16, 2026	51-200	68 contacts →
	Partial evidence “Aish Technologies is a systems design and manufacturing company that specialises in the protection of electronic equipment in harsh environments.” Source: RevenueBase Database · checked Sep 16, 2026
21	MPG Europe BSC	Indirect evidence	Clifton Moor, United KingdomHQ checked Sep 16, 2026	51-200	68 contacts →
	Indirect evidence “MPG Europe delivers radio frequency (RF) spectrum-centric solutions at the speed of technology.” Source: RevenueBase Database · checked Sep 16, 2026
22	Nemco Limited	Strong evidence	Stevenage, United KingdomHQ checked Sep 16, 2026	51-200	64 contacts →
	Strong evidence “Nemco is a leading Contract Electronics Manufacturer providing a complete product manufacturing, logistics and repair service to our customers.” Source: RevenueBase Database · checked Sep 16, 2026
23	Kirintec	Indirect evidence	Ross-on-wye, United KingdomHQ checked Sep 16, 2026	11-50	56 contacts →
	Indirect evidence “Kirintec specialise in the design and production of Innovative technology solutions for CEMA (Cyber and Electromagnetic Activities), Counter-IED and Counter-UAS.” Source: RevenueBase Database · checked Sep 16, 2026
24	Enterprise Control Systems LTD	Indirect evidence	Northamptonshire, United KingdomHQ checked Sep 16, 2026	11-50	51 contacts →
	Indirect evidence “Enterprise Control Systems Ltd (ECS) is a specialist RF systems company that has for over 30 years continued to supply UK and international customers with innovative, leading…” Source: RevenueBase Database · checked Sep 16, 2026
25	Elite Electronic Systems LTD	Partial evidence	Enniskillen, United KingdomHQ checked Sep 16, 2026	201-500	45 contacts →
	Partial evidence “Established in 1986, Elite Electronic Systems is a trusted provider of Electronic Manufacturing Services (EMS), supporting innovative and successful customers across the UK…” Source: RevenueBase Database · checked Sep 16, 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 electronics manufacturers. 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 electronics manufacturers.
Partial evidence: Its own public description names part of defense electronics manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name defense electronics manufacturers. 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 168 defense electronics manufacturers based in the United Kingdom

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Defense electronics manufacturers based in the United Kingdom at a glance

As of Sep 16, 2026

31.4%Verified-email coverage

42.9Average contacts per company

11-50Median size (employees)

8.3%Largest-city concentration · London

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

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 168 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 electronics manufacturers, 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 electronics manufacturers”. 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 electronics manufacturers), 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 electronics manufacturers, 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, 2,261 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 16, 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.

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 electronics manufacturers, 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 electronics manufacturers are there based in the United Kingdom?

RevenueBase identified 168 defense electronics manufacturers 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?

TT Electronics PLC, headquartered in London, tops this list with the largest team on record.

Which city has the most defense electronics manufacturers?

London leads with 14 headquartered companies, followed by Shipley (5) and Bristol (4).

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 2,261 verified decision-maker contacts tracked across these 168 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 16, 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.