Company lists · Data refreshed September 2026

Top 25 Aircraft maintenance contractors based in the United Kingdom

Name: Aircraft maintenance contractors 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 137 companies tracked

RevenueBase identified 137 aircraft maintenance contractors headquartered in the United Kingdom as of September 2026 and tracks 5,107 professional contacts across them, including 2,099 with verified work emails. London is the largest hub.

This list covers aircraft maintenance contractors 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

137Companies

5,107Contacts tracked

2,099Verified emails

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The 25 largest aircraft maintenance contractors based in the United Kingdom

Ranked by team size

Top 25 of 137 aircraft maintenance contractors 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 aircraft maintenance contractors: 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 16, 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 16, 2026
2	AJW Group	Indirect evidence	Slinfold, United KingdomHQ checked Sep 16, 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 16, 2026
3	Storm Aviation	Strong evidence	Stansted, United KingdomHQ checked Sep 16, 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 16, 2026
4	Aerfin	Indirect evidence	Bedwas, United KingdomHQ checked Sep 16, 2026	51-200	199 contacts →
	Indirect evidence “AerFin is breathing new life into aviation.” Source: RevenueBase Database · checked Sep 16, 2026
5	Monarch Aircraft Engineering	Strong evidence	Luton, United KingdomHQ checked Sep 16, 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 16, 2026
6	Caerdav	Partial evidence	St Athan, United KingdomHQ checked Sep 16, 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 16, 2026
7	Lufthansa Technik Landing Gear Services UK	Indirect evidence	London, United KingdomHQ checked Sep 16, 2026	201-500	149 contacts →
	Indirect 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 16, 2026
8	2excel Engineering	Strong evidence	Lasham, United KingdomHQ checked Sep 16, 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 16, 2026
9	UP & Away Aviation Services	Indirect evidence	Oxford Airport, United KingdomHQ checked Sep 16, 2026	501-1,000	92 contacts →
	Indirect evidence “Welcome to Up & Away Aviation Services.” Source: RevenueBase Database · checked Sep 16, 2026
10	Exeter Aerospace	Strong evidence	Exeter, United KingdomHQ checked Sep 16, 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 16, 2026
11	Chevron Technical Services & Aircraft Maintenance Trading AS Storm Aviation	Strong evidence	Manchester, United KingdomHQ checked Sep 16, 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 16, 2026
12	BCT Aviation Maintenance	Partial evidence	Derby, United KingdomHQ checked Sep 16, 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 16, 2026
13	Airinmar	Strong evidence	Finchampstead, United KingdomHQ checked Sep 16, 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 16, 2026
14	Aeroservices	Indirect evidence	Leeds, United KingdomHQ checked Sep 16, 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 16, 2026
15	Luftavia	Partial evidence	Staines-upon-thames, United KingdomHQ checked Sep 16, 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 16, 2026
16	Oakenhurst Aircraft Services LTD	Indirect evidence	Rayleigh, United KingdomHQ checked Sep 16, 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 16, 2026
17	Aerocare Aviation Services LTD	Partial evidence	Chester, United KingdomHQ checked Sep 16, 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 16, 2026
18	BOSA	Strong evidence	Wilmslow, United KingdomHQ checked Sep 16, 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 16, 2026
19	IMT Aviation LTD	Indirect evidence	Wendens Ambo, United KingdomHQ checked Sep 16, 2026	11-50	39 contacts →
	Indirect evidence “Composite and structural MRO in commercial aviation.” Source: RevenueBase Database · checked Sep 16, 2026
20	GAMIT	Partial evidence	Stansted, United KingdomHQ checked Sep 16, 2026	11-50	38 contacts →
	Partial evidence “GAMIT was founded in 1990 at London Stansted Airport with the specific aim of supplying professional and technical support to maintenance companies, airlines and corporate…” Source: RevenueBase Database · checked Sep 16, 2026
21	Aeroco Group International	Strong evidence	Stockport, United KingdomHQ checked Sep 16, 2026	51-200	33 contacts →
	Strong evidence “Through hard work and dedication, Aeroco Group offers total confidence in aircraft maintenance, design, and manufacturing.” Source: RevenueBase Database · checked Sep 16, 2026
22	Proptech Aero LTD	Strong evidence	Lee-on-the-solent, United KingdomHQ checked Sep 16, 2026	11-50	28 contacts →
	Strong evidence “Proptech Aero Ltd is one of the world's leading aircraft propeller maintenance, repair and overhaul facilities, holding OEM approvals and rights to distribute from Hartzell…” Source: RevenueBase Database · checked Sep 16, 2026
23	GCAM	Partial evidence	Cirencester, United KingdomHQ checked Sep 16, 2026	1-10	26 contacts →
	Partial evidence “GCAM is an EASA / CAA / Cayman Islands / Guernsey (2-REG) Approved Aircraft 145 MRO based at Cotswold Airport, UK that provides a high level of service to aircraft operators…” Source: RevenueBase Database · checked Sep 16, 2026
24	PBES	Strong evidence	Farnborough, United KingdomHQ checked Sep 16, 2026	11-50	25 contacts →
	Strong evidence “As leading experts in Bombardier Business Aircraft, PBES provides world-class aircraft maintenance, airworthiness, and technical management support for business and charter…” Source: RevenueBase Database · checked Sep 16, 2026
25	ASL Aerospace	Partial evidence	Ashford, United KingdomHQ checked Sep 16, 2026	11-50	24 contacts →
	Partial evidence “ASL Aerospace are a leading independent supplier of commercial aircraft parts and related services to Airlines, MROs and Leasing Companies across the globe.” 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: aircraft maintenance contractors. 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 contractors.
Partial evidence: Its own public description names part of aircraft maintenance contractors, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name aircraft maintenance contractors. 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 137 aircraft maintenance contractors based in the United Kingdom

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Aircraft maintenance contractors based in the United Kingdom at a glance

As of Sep 16, 2026

41.1%Verified-email coverage

37.3Average contacts per company

11-50Median size (employees)

7.3%Largest-city concentration · London

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 137 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 contractors, 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 contractors”. 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 contractors), 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 contractors, 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, 2,099 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 aircraft maintenance contractors, 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 contractors are there based in the United Kingdom?

RevenueBase identified 137 aircraft maintenance contractors 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 contractors?

London leads with 10 headquartered companies, followed by Crawley (4) and Manchester (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 2,099 verified decision-maker contacts tracked across these 137 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.