| 112 Ambulance Repatriation | air medical | — |
| 247 Airport Taxis | fbo ground handling | — |
| A-B Cargo Express Ltd | cargo logistics | — |
| Acc TAXIS farnborough | fbo ground handling | — |
| Acumen Design Associates | aerospace manufacturing | — |
| Aero-Buffs Ltd | aerospace manufacturing | — |
| Aerofloor | aerospace manufacturing | — |
| Aerogility | professional services | — |
| Aero Medical Ambulance Service | air medical | — |
| Affinity Aviation | private charter | — |
| AFS Aviation | fbo ground handling | — |
| AH Airport Taxi | fbo ground handling | — |
| Air Ambulance Northern Ireland | air medical | — |
| Air Ambulance UK | events media | — |
| Airbase UK Interiors | aerospace manufacturing | — |
| Air Canada Cargo | cargo logistics | — |
| Air Cargo Global Kenya | cargo logistics | — |
| Air Cargo Service | cargo logistics | — |
| Air cargo to bangladesh | cargo logistics | — |
| Air Cargo Trader Ltd | cargo logistics | — |
| Air China Cargo UK | cargo logistics | — |
| AirFinance Journal | professional services | — |
| Air Jet Line | air medical | — |
| Air Land & Sea Repatriation Services | air medical | — |
| Airmedic International Ltd | air medical | — |
| Air Partner | private charter | — |
| Airport Cars Biggin Hill | fbo ground handling | — |
| Air Repatriation & Transport Services Ltd | air medical | — |
| Allied World Insurance | professional services | — |
| Almat Flying Academy | flight training | — |
| Altitude Angel | professional services | — |
| American Air Ambulance | air medical | — |
| Amwins Global Risks | professional services | — |
| Andrew Earle’s Holidays | airlines travel | — |
| Andrewsfield Flying Club | flight training | — |
| Andrew Winch Designs | aerospace manufacturing | — |
| Anglian Flight Centres | flight training | — |
| A&O Shearman (formerly Allen & Overy) | professional services | — |
| Artisans of Leisure | airlines travel | — |
| Aspen Insurance Holdings | professional services | — |
| Aspen Re Aviation | professional services | — |
| Atrium Aviation | professional services | — |
| AV8 Chauffeur Cars | fbo ground handling | — |
| Avaero | private charter | — |
| Aviastra Flight Charter Ltd | air medical | — |
| Aviatica Group Ltd | professional services | — |
| Aviation Real Estate Advisers | professional services | — |
| Aviator Aircraft Sales | professional services | — |
| AVIC Cabin Systems UK (ACS UK) | aerospace manufacturing | — |
| AviIT | professional services | — |
| Babcock International Group | air medical | — |
| BAE Systems | aerospace manufacturing | — |
| Baggage Media | professional services | — |
| BARK Air | airlines travel | — |
| Beadlight | aerospace manufacturing | — |
| Berkeley Travel | airlines travel | — |
| Bird & Bird LLP | professional services | — |
| Black Tomato | professional services | — |
| Border Air Training - Carlilse | flight training | — |
| Brunel Air Cargo Services Ltd | cargo logistics | — |
| Burghfield Santas | professional services | — |
| Bytron Aviation Systems | professional services | — |
| CabAir | Edinburgh Airport Transfers and Taxi Services | fbo ground handling | — |
| Cambrian Aero Wales | flight training | — |
| Cambrian Flying Club | flight training | — |
| Capital Air Ambulance | air medical | — |
| Carlisle Flight Training Ltd | flight training | — |
| CAT Air Ambulance | air medical | — |
| CEGA Air Ambulance | air medical | — |
| Celtic Transfers | Edinburgh Airport Transfers And Taxi Cab Services | fbo ground handling | — |
| Central Ambulance Service | air medical | — |
| Centreline Air Charter | private charter | — |
| Chameleon Products | aerospace manufacturing | — |
| Chapman Freeborn | private charter | — |
| Chauffeur Services Group Manchester | fbo ground handling | — |
| Chelton Limited (formerly part of Cobham) | avionics systems | — |
| Children’s Air Ambulance | air medical | — |
| CJC Aviation Ltd | private charter | — |
| Clacton Aero Club | flight training | — |
| CLCA Aeromed | air medical | — |
| Cleveland Flying School | flight training | — |
| Clifford Chance LLP | professional services | — |
| CNA Hardy Aviation | professional services | — |
| Cobham Aerospace Communications | aerospace manufacturing | — |
| Commsoft (OASES) | professional services | — |
| Conduce | professional services | — |
| Cool Cargo UK | cargo logistics | — |
| Cornwall Air Ambulance | air medical | — |
| Cotswold Aero Club Limited | flight training | — |
| Cranfield Aerospace Solutions | professional services | — |
| Cubair Flight Training Ltd. | flight training | — |
| DBB Aviation | private charter | — |
| Derby Aero Club and Flying School | flight training | — |
| Detail Charter Limited | mro | — |
| Devon Air Ambulance | air medical | — |
| Devon & Somerset Flight Training | flight training | — |
| Dinez Taxis and Airport Transfers | fbo ground handling | — |
| Dorset Somerset Air Ambulance | air medical | — |
| Dunlop Aircraft Tyres | aerospace manufacturing | — |
| East Aglian Air Ambulance | air medical | — |
| Eastern Atlantic Helicopters | private charter | — |
| Edinburgh Airport Taxi | Capital Transfer Cars | fbo ground handling | — |
| Edinburgh Airport Transfers Ltd | fbo ground handling | — |
| Edinburgh Cab - Edinburgh Airport Transfer | fbo ground handling | — |
| Edinburgh Flying Club | flight training | — |
| Edinburgh Transfers and Travel | Airport Taxi and Cab Services | fbo ground handling | — |
| EFOS | professional services | — |
| Electric Executive Cars Cumbria | fbo ground handling | — |
| Elite Airport Transfer UK | fbo ground handling | — |
| Elite Executives Travel | fbo ground handling | — |
| EMS Air Ambulance & Medical Repatriation LTD. | air medical | — |
| ENGAGE Aviation | professional services | — |
| Enstone Flying Club | flight training | — |
| Essex and Herts Air Ambulance | air medical | — |
| ETC Chauffeurs | fbo ground handling | — |
| Euro Airport Taxis | fbo ground handling | — |
| Evans Aviation Software | professional services | — |
| Eversheds Sutherland LLP | professional services | — |
| Executive Transfer Scotland | fbo ground handling | — |
| Exeter Flying Club Limited | flight training | — |
| Expleo Group | professional services | — |
| Factorydesign | aerospace manufacturing | — |
| Falko Regional Aircraft | professional services | — |
| Faradair Aerospace | professional services | — |
| Farnborough Cars | fbo ground handling | — |
| Farnborough Taxi Online | fbo ground handling | — |
| Fieldfisher | professional services | — |
| Fiona Barratt Interiors | aerospace manufacturing | — |
| First Response Aircraft Maintenance & Detailing | aerospace manufacturing | — |
| Flightline Aviation Limited | private charter | — |
| Flightserve | air medical | — |
| Flyco | professional services | — |
| FLYdocs | professional services | — |
| Flying Club Conington | flight training | — |
| FLYING smart Ltd | aircraft management | — |
| Flylogix | drone services | — |
| FlyMeNow Air Ambulance | air medical | — |
| Flynqy Pliot Training | flight training | — |
| Fly Victor | private charter | — |
| Freestream Aircraft Ltd | private charter | — |
| Freshfields Bruckhaus Deringer LLP | professional services | — |
| Gen Phoenix (formerly E-Leather) | aerospace manufacturing | — |
| Get Airport Cars Ltd | fbo ground handling | — |
| GG Chauffeurs Manchester | fbo ground handling | — |
| Ginair Cargo | cargo logistics | — |
| GJM Aviation | private charter | — |
| GKN Aerospace | aerospace manufacturing | — |
| Global Risk Partners | professional services | — |
| Globe Air Cargo | cargo logistics | — |
| Gold Cars Airport Transfers Ltd in Edinburgh | Taxi Services | fbo ground handling | — |
| Great North Air Ambulance | air medical | — |
| Great Western Air Ambulance | air medical | — |
| Green Cabin Alliance | aerospace manufacturing | — |