Company lists · Data refreshed September 2026

Top 25 Aircraft maintenance and overhaul based in the United Kingdom

Name: Aircraft maintenance and overhaul based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 188 companies tracked

RevenueBase identified 188 aircraft maintenance and overhaul headquartered in the United Kingdom as of September 2026 and tracks 6,472 professional contacts across them, including 2,480 with verified work emails. London is the largest hub.

This list covers aircraft maintenance and overhaul 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

188Companies

6,472Contacts tracked

2,480Verified emails

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The 25 largest aircraft maintenance and overhaul based in the United Kingdom

Ranked by team size

Top 25 of 188 aircraft maintenance and overhaul based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to aircraft maintenance and overhaul: 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	STS Aviation Services	Strong evidence	Birmingham, United KingdomHQ checked Sep 19, 2026	501-1,000	802 contacts →
	Strong evidence “Globally, STS Aviation Services operates four state-of-the-art aircraft hangars, two interior modification facilities and more than 43 line maintenance stations both state-side…” Source: RevenueBase Database · checked Sep 19, 2026
2	AJW Group	Indirect evidence	Slinfold, United KingdomHQ checked Sep 19, 2026	501-1,000	594 contacts →
	Indirect evidence “AJW Group is a world-leading independent component parts, repair and supply-chain solutions provider, transforming efficiency in commercial, business, and defence aviation.” Source: RevenueBase Database · checked Sep 19, 2026
3	JMC Aviation	Indirect evidence	Exeter, United KingdomHQ checked Sep 19, 2026	51-200	333 contacts →
	Indirect evidence “JMC Aviation is a global recruitment, engineering services and training provider.” Source: RevenueBase Database · checked Sep 19, 2026
4	Storm Aviation	Strong evidence	Stansted, United KingdomHQ checked Sep 19, 2026	51-200	300 contacts →
	Strong evidence “Storm Aviation is a trusted independent MRO partner delivering integrated aircraft maintenance solutions to airlines, operators, and lessors across Europe and beyond.” Source: RevenueBase Database · checked Sep 19, 2026
5	Aerfin	Indirect evidence	Bedwas, United KingdomHQ checked Sep 19, 2026	51-200	199 contacts →
	Indirect evidence “AerFin is breathing new life into aviation.” Source: RevenueBase Database · checked Sep 19, 2026
6	Bostonair	Indirect evidence	Yorkshire, United KingdomHQ checked Sep 19, 2026	201-500	193 contacts →
	Indirect evidence “Bostonair’s global services to the aviation industry span a number of key areas- Recruitment and temporary labour services – Bostonair Group Ltd and Bostonair GmbH - EASA Part 145…” Source: RevenueBase Database · checked Sep 19, 2026
7	Monarch Aircraft Engineering	Strong evidence	Luton, United KingdomHQ checked Sep 19, 2026	501-1,000	190 contacts →
	Strong evidence “Monarch Aircraft Engineering Limited (MAEL) is a leading Maintenance Repair & Overhaul (MRO) focusing on cost-efficient service delivery.” Source: RevenueBase Database · checked Sep 19, 2026
8	Caerdav	Partial evidence	St Athan, United KingdomHQ checked Sep 19, 2026	51-200	161 contacts →
	Partial evidence “Founded in 2012, we are one of the only independent UK-based MROs, specialising in the Boeing 737 and Airbus A320 families of aircraft.” Source: RevenueBase Database · checked Sep 19, 2026
9	Lufthansa Technik Landing Gear Services UK	Partial evidence	London, United KingdomHQ checked Sep 19, 2026	201-500	149 contacts →
	Partial evidence “Lufthansa Technik's Landing Gear Services UK, a 100% subsidiary of Lufthansa Technik AG, provides vast in-house Landing Gear repair and overhaul capabilities at its London based…” Source: RevenueBase Database · checked Sep 19, 2026
10	H S Aviation LTD	Partial evidence	Portsmouth, United KingdomHQ checked Sep 19, 2026	201-500	145 contacts →
	Partial evidence “H+S Aviation, a StandardAero company, provides OEM authorised independent overhaul and repair services for small gas turbine engines, APUs and engine accessories, offers component…” Source: RevenueBase Database · checked Sep 19, 2026
11	2excel Engineering	Strong evidence	Lasham, United KingdomHQ checked Sep 19, 2026	201-500	125 contacts →
	Strong evidence “2Excel Engineering is a Maintenance and Repair Organisation (MRO) for Boeing and Airbus narrow-bodied aircraft, serving the growing maintenance needs of the commercial airline…” Source: RevenueBase Database · checked Sep 19, 2026
12	Affinity Flying Training Services Limited	Indirect evidence	Lincolnshire, United KingdomHQ checked Sep 19, 2026	201-500	98 contacts →
	Indirect evidence “We specialise in delivering tailored aviation services through our long-term strategic relationships with both industry and military partners.” Source: RevenueBase Database · checked Sep 19, 2026
13	Exeter Aerospace	Strong evidence	Exeter, United KingdomHQ checked Sep 19, 2026	51-200	91 contacts →
	Strong evidence “Aircraft Overhaul Facility based in Exeter Airport specialising in Overhaul and Maintenance of Embraer E-Jets (EMB170/175/190/195), ATR 42 and ATR 72, Bombardier DH8/Q400” Source: RevenueBase Database · checked Sep 19, 2026
14	Chevron Technical Services & Aircraft Maintenance Trading AS Storm Aviation	Strong evidence	Manchester, United KingdomHQ checked Sep 19, 2026	201-500	90 contacts →
	Strong evidence “Chevron Technical Services & Aircraft Maintenance are now trading as Storm Aviation, who are a family member of Avia Solutions Group, a leading global aerospace services group…” Source: RevenueBase Database · checked Sep 19, 2026
15	BCT Aviation Maintenance	Partial evidence	Derby, United KingdomHQ checked Sep 19, 2026	51-200	67 contacts →
	Partial evidence “BCT Aviation Maintenance has been established for over 20 years at its headquarters in East Midlands Airport (EMA) and is led today by the original founding member, Robert Brown.” Source: RevenueBase Database · checked Sep 19, 2026
16	Airinmar	Strong evidence	Finchampstead, United KingdomHQ checked Sep 19, 2026	51-200	64 contacts →
	Strong evidence “Airinmar specialises in the management of aircraft component repairs for airlines, airframe manufacturers and Maintenance Repair & Overhaul organisations, throughout the world.” Source: RevenueBase Database · checked Sep 19, 2026
17	Aeroservices	Indirect evidence	Leeds, United KingdomHQ checked Sep 19, 2026	51-200	57 contacts →
	Indirect evidence “Aeroservices is a tech-driven global player in the aviation industry offering single-point technical inventory management services.” Source: RevenueBase Database · checked Sep 19, 2026
18	Luftavia	Partial evidence	Staines-upon-thames, United KingdomHQ checked Sep 19, 2026	51-200	53 contacts →
	Partial evidence “At Luftavia, we provide efficient, cost-effective maintenance solutions with EASA-approved innovative products that streamline traditional line maintenance.” Source: RevenueBase Database · checked Sep 19, 2026
19	Oakenhurst Aircraft Services LTD	Indirect evidence	Rayleigh, United KingdomHQ checked Sep 19, 2026	51-200	51 contacts →
	Indirect evidence “Established in 1987, Oakenhurst has grown into an award-winning Component MRO, providing Repair, Component Management and Purchasing Support on a global scale.” Source: RevenueBase Database · checked Sep 19, 2026
20	AAG Defence Services	Partial evidence	Oxfordshire, United KingdomHQ checked Sep 19, 2026	51-200	51 contacts →
	Partial evidence “AAG Defence Services is a MAA Part 145 Approved Maintenance Organisation (AMO) based in Brize Norton, UK.” Source: RevenueBase Database · checked Sep 19, 2026
21	SK Aerosafety Group	Indirect evidence	Wokingham, United KingdomHQ checked Sep 19, 2026	501-1,000	45 contacts →
	Indirect evidence “Global Safety and Survival Component MRO.” Source: RevenueBase Database · checked Sep 19, 2026
22	Aerocare Aviation Services LTD	Partial evidence	Chester, United KingdomHQ checked Sep 19, 2026	11-50	44 contacts →
	Partial evidence “Aerocare Aviation Services Ltd, part of the Complete Aircraft Group, is an established MRO provider with facilities based in Chester, UK.” Source: RevenueBase Database · checked Sep 19, 2026
23	Avalon Aero LTD	Partial evidence	Bedford, United KingdomHQ checked Sep 19, 2026	51-200	42 contacts →
	Partial evidence “UK based Avalon Aero are an UK CAA, FAA, TCCA and MAA approved Maintenance Repair Organisation, specialising in line / base maintenance of Bae146 / Avro RJ and other Special…” Source: RevenueBase Database · checked Sep 19, 2026
24	BOSA	Strong evidence	Wilmslow, United KingdomHQ checked Sep 19, 2026	51-200	39 contacts →
	Strong evidence “BOSA provides Aircraft Line Maintenance and AOG services specialising in and supporting the worlds’ most popular commercial aircraft types.” Source: RevenueBase Database · checked Sep 19, 2026
25	IMT Aviation LTD	Indirect evidence	Wendens Ambo, United KingdomHQ checked Sep 19, 2026	11-50	39 contacts →
	Indirect evidence “Composite and structural MRO in commercial aviation.” Source: RevenueBase Database · checked Sep 19, 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: aircraft maintenance and overhaul. 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 aircraft maintenance and overhaul.
Partial evidence: Its own public description names part of aircraft maintenance and overhaul, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name aircraft maintenance and overhaul. 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 188 aircraft maintenance and overhaul based in the United Kingdom

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Aircraft maintenance and overhaul based in the United Kingdom at a glance

As of Sep 19, 2026

38.3%Verified-email coverage

34.4Average contacts per company

11-50Median size (employees)

10.1%Largest-city concentration · London

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 188 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 aircraft maintenance and overhaul, 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 “aircraft maintenance and overhaul”. 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 aircraft maintenance and overhaul), 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 aircraft maintenance and overhaul, 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, 2,480 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 aircraft maintenance and overhaul, 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 aircraft maintenance and overhaul are there based in the United Kingdom?

RevenueBase identified 188 aircraft maintenance and overhaul 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?

STS Aviation Services, headquartered in Birmingham, tops this list with the largest team on record.

Which city has the most aircraft maintenance and overhaul?

London leads with 19 headquartered companies, followed by Crawley (5) 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 2,480 verified decision-maker contacts tracked across these 188 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.