Company lists · Data verified August 2026

Top 25 Avionics software companies based in the United Kingdom

Name: Avionics software companies 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 62 companies tracked

There are 62 avionics software companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 1,980 professional contacts across them, including 756 with verified work emails and 366 with mobile numbers. London is the largest hub.

This list covers avionics software 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. Data current as of August 28, 2026.

62Companies

1,980Contacts tracked

756Verified emails

366Mobile numbers

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The 25 largest avionics software companies based in the United Kingdom

Ranked by team size

Top 25 of 62 avionics software companies 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	ONTIC	Gloucester	1,001-5,000	1,078	615
2	Baehal Software LTD	London	51-200	338	1
3	Meggitt	London	n/a	149	12
4	Bytron Aviation Systems	Kirmington	11-50	33	23
5	Brinkley Aerospace	Biggleswade	11-50	26	9
6	Aerodynamic Group	London	11-50	24	18
7	Evoke Systems Limited	Hethel	11-50	22	14
8	Livelink Aerospace LTD	Lavant	51-200	19	9
9	OASES	London	11-50	18	4
10	AZINQ	Daresbury	11-50	17	14
11	Avionicare Limited	Southend-On-Sea	11-50	13	6
12	Elms Aviation	Exeter	11-50	11	6
13	H4 Aerospace UK Limited	Hemel Hempstead	11-50	10	4
14	Photo-Sonics International LTD	Thame	1-10	8	3
15	Aviit LTD	Dunfermline	11-50	6	2
16	Frequencia LTD	Witham	1-10	5	2
17	Airmen Technical Services	London	1-10	4	1
18	Skycircuits LTD	Salisbury	11-50	3	2
19	Aerosys Engineering LTD	London	1-10	3	2
20	Pinnacle Imats	London	11-50	3	1
21	Alpha Avionics	Uk	1-10	2	2
22	Hensoldt Avionics UK	Slinfold	1-10	2	2
23	Airops Software Limited	Farnborough	11-50	2	1
24	Harmonic Software Systems	n/a	1-10	2	1
25	MSR Avionics	Four Oaks	1-10	2	1

Showing 25 of 62 avionics software companies based in the United Kingdom

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Avionics software companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 17 HQs

366Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

1,001-5,000

Avionics software companies by metro

Metro	Companies
Avionics software companies in London	17
Avionics software companies in Farnborough	2
Avionics software companies in Cambridge	2
Avionics software companies in Bristol	2
Avionics software companies in Slinfold	2
Avionics software companies in Jedburgh	1
Avionics software companies in Rodmarton	1

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 “avionics software companies”, 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; 3 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 avionics software companies are there based in the United Kingdom?

There are 62 avionics software companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

ONTIC, headquartered in Gloucester, tops this list with the largest team on record.

Which city has the most avionics software companies?

London leads with 17 headquartered companies, followed by Farnborough (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 756 verified decision-maker contacts tracked across these 62 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.