Company lists · Data refreshed September 2026
Top 25 Avionics systems companies based in the United Kingdom
RevenueBase identified 93 avionics systems companies headquartered in the United Kingdom as of September 2026 and tracks 3,988 professional contacts across them, including 1,201 with verified work emails. London is the largest hub.
This list covers avionics systems companies 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 19, 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.
The 25 largest avionics systems companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 276 contacts → | ||||
Indirect evidence “Chelton is the trusted name in aerospace and defence - where innovation meets reliability.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 176 contacts → | ||||
Partial evidence “Defence Leaders around the world work with Chess for market-leading, reliable defence systems.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 150 contacts → | ||||
Indirect evidence “Aero aftermarket consultancy” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 120 contacts → | ||||
Indirect 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 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 40 contacts → | ||||
Partial evidence “CAV Systems Ltd is a global aerospace supplier of airborne ice protection systems and drag reduction technology for civilian, commercial and military aircraft.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 39 contacts → | ||||
Partial evidence “The MEL Group is an engineering and systems solutions provider, strategically positioned in the aerospace, defence, commercial and industrial sectors, with capabilities in…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 29 contacts → | ||||
Partial evidence “Aeronautical & General Instruments Limited (AGI) is an established British company, which manufactures a wide range of instruments and systems for the defence and civil markets…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 26 contacts → | ||||
Indirect evidence “Since its establishment in Brinkley Aerospace has been committed to continued reinvestment in both infrastructure and our team, in order to support our ever growing worldwide…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 24 contacts → | ||||
Indirect evidence “Source, Make and Integrate.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 23 contacts → | ||||
Partial evidence “Based in Edinburgh, Scotland and Amersfoort in the Netherlands, Trig manufactures avionics for General Aviation.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 19 contacts → | ||||
Indirect evidence “LiveLink Aerospace is a privately owned British company located just outside the historic port city of Portsmouth on the picturesque south coast of the United Kingdom.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 17 contacts → | ||||
Partial evidence “ATM Systems Integrator | Total Airport Solutions Systems Interface, a dynamic project-based organisation, is a UK based Global Air Traffic Management (ATM) systems integrator…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 15 contacts → | ||||
Indirect evidence “At Innoviz Limited, we specialize in a range of Aerospace services and solutions that address critical industry needs, offering unique differentiation in the marketplace through…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 14 contacts → | ||||
Partial evidence “Specialise in Air Traffic Control Communications and Data Management Systems” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 13 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 13 contacts → | ||||
Indirect evidence “Who We Are The Ex-El Group is one of the world’s foremost providers of quality key technologies and procurement services to the aerospace and defense industries.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 11 contacts → | ||||
Partial evidence “AVIONICS SUPPORT SALES LIMITED is an airlines/aviation company based out of UNIT 2 MAGELLAN TERRACE, CRAWLEY, United Kingdom.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 10 contacts → | ||||
Partial evidence “The company has brought together both Mechanical and Avionic/Electrical skilled design engineers, as a centre of excellence to meet the demands of its worldwide customer base and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 9 contacts → | ||||
Indirect evidence “ACI are a UK based design, certification, manufacture and repair organisation for CABIN, COCKPIT & CARGO BAY INTERIOR PROJECTS ACI maintain UK CAA Part 21J & GCAA Part 21J (DOA -…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 9 contacts → | ||||
Indirect evidence “Turner Aviation is a company based out of Spiersbridge Terrace, Glasgow, United Kingdom.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 8 contacts → | ||||
Indirect evidence “At Photo-Sonics International Ltd.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 7 contacts → | ||||
Indirect evidence “Vision Aerospace LTD is an aviation company based out of Turweston Aerodrome” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 5 contacts → | ||||
Indirect evidence “We provide executive and passenger aircraft and engines in conjunction with our EASA Part 145 engineering support company, aircraft spares support, aircraft interiors and seats.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 5 contacts → | ||||
Indirect evidence “IFPL is an award-winning global design and manufacturing company specialising in products for aircraft interiors.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
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: avionics systems companies. 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 avionics systems companies.
- Partial evidence
- Its own public description names part of avionics systems companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name avionics systems companies. 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 93 avionics systems companies based in the United Kingdom
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Avionics systems companies based in the United Kingdom at a glance
As of Sep 19, 2026Companies by employee count
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 93 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 avionics systems companies, 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 “avionics systems companies”. 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 avionics systems companies), 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 avionics systems companies, 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, 1,201 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 19, 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 avionics systems companies, 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 avionics systems companies are there based in the United Kingdom?
RevenueBase identified 93 avionics systems companies 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?
Chelton, headquartered in Marlow, tops this list with the largest team on record.
Which city has the most avionics systems companies?
London leads with 12 headquartered companies, followed by Bristol (2) and Cambridge (2).
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 1,201 verified decision-maker contacts tracked across these 93 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 19, 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.
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