Company lists · Data refreshed September 2026
Top 25 Flight line maintenance companies based in the United Kingdom
RevenueBase identified 70 flight line maintenance companies headquartered in the United Kingdom as of September 2026 and tracks 19,026 professional contacts across them, including 2,951 with verified work emails. London is the largest hub.
This list covers flight line maintenance 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 20, 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 flight line maintenance companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 13,836 contacts → | ||||
Indirect evidence “People.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,222 contacts → | ||||
Indirect evidence “ASIG is a global provider of ground, fuel and airport facility services to airlines, airports, oil companies and industry partners around the world and are one of the market…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 497 contacts → | ||||
Indirect evidence “With a history dating back to 60 years, TAG Aviation leads the world in providing award-winning private and business aircraft solutions.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 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 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 189 contacts → | ||||
Indirect evidence “Omniserv Limited was formed in 2004, it is the European Division of Air Serv Corporation, a company based in Atlanta USA and the aviation vertical of ABM Industries (NYSE listed)…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 161 contacts → | ||||
Indirect 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 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 118 contacts → | ||||
Partial evidence “North Air delivers safe, compliant, and efficient into-plane fuelling, provides fuel storage tank farm management and delivery, and offers specialist engineering and maintenance…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 108 contacts → | ||||
Partial evidence “Euro Jet is the leading provider of flight support services in Europe and Central Asia.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 90 contacts → | ||||
Partial 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 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 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 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 51 contacts → | ||||
Indirect evidence “Aircraft Management | FBO | Special Missions | Est.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 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 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 33 contacts → | ||||
Indirect evidence “Bradford-Swissport Limited combines the best of both worlds to form a dynamic company whose sole purpose is to help airports run great.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 30 contacts → | ||||
Indirect evidence “Weston Aviation offers FBO, Cargo handling & fuel services to airports across the UK and Ireland.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 25 contacts → | ||||
Partial evidence “A thriving hub for business, medevac and general aviation, Blackpool Airport offers aircraft handling, parking, engineering and refueling services, flight and instrument training…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 24 contacts → | ||||
Indirect evidence “Kearsley Airways was one of the many post war charter operators set up to undertake all types of passenger and freight charter work, the first initial aircraft was a New Percival…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 16 contacts → | ||||
Indirect evidence “JetWash is a professional support organisation responsible for supplying a range of Specialist, Technical and Ancillary services to the aviation industry.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 13 contacts → | ||||
Indirect evidence “At General Aviation Services (GAS OPS Africa), we specialise in delivering seamless aviation support solutions across the African continent.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 13 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 11 contacts → | ||||
Indirect evidence “Retford (Gamston) Airport (ICAO: EGNE) is a licensed general Aerodrome 2NM South of Retford, North Nottinghamshire.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 10 contacts → | ||||
Indirect evidence “Global Trek Aviation is an award winning, UK H24/7 full-service, NATA Safety 1st Clean, COVID secure, VIP FBO company.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 10 contacts → | ||||
Indirect evidence “REDHILL AERODROME LIMITED is an airlines/aviation company based out of TERMINAL BUILDING REDHILL AERODROME KINGS MILL LANE, REDHILL, United Kingdom.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 6 contacts → | ||||
Indirect evidence “London Jet Centre is a company based out of Diamond Hangar, Long Border Rd, Airport, Stansted, United Kingdom.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 5 contacts → | ||||
Partial evidence “We are an independent, service-driven aviation support company specialising in outsourced airline station management and flight supervision across the UK and Europe.” Source: RevenueBase Database · checked Sep 20, 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: flight line maintenance 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 flight line maintenance companies.
- Partial evidence
- Its own public description names part of flight line maintenance companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name flight line maintenance 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 70 flight line maintenance companies based in the United Kingdom
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Flight line maintenance companies based in the United Kingdom at a glance
As of Sep 20, 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 70 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 flight line maintenance 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 “flight line maintenance 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 flight line maintenance 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 flight line maintenance 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, 2,951 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 20, 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 flight line maintenance 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 flight line maintenance companies are there based in the United Kingdom?
RevenueBase identified 70 flight line maintenance 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?
Menzies Aviation, headquartered in London, tops this list with the largest team on record.
Which city has the most flight line maintenance companies?
London leads with 9 headquartered companies, followed by Hounslow (3) and Stansted (3).
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 2,951 verified decision-maker contacts tracked across these 70 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 20, 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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