| Ainscough Evlow Ltd | Wigan | 2025 |
| Ainscough Logistics Group Limited | Wigan | 2026 |
| Ainsdale Transport Ltd | Leicester | 2014 |
| Ainslie Aviation Limited | Weymouth | 2018 |
| Ainslie Delivery Service Limited | Bradford | 2025 |
| Ainss Ltd | Coventry | 2026 |
| Ainstable Ltd | Mansfield | 2022 |
| Ainsworth Contractor Limited | Preston | 2025 |
| Aintin Ltd | Kidderminster | 2019 |
| Aintree Coaches (International) Limited | Ellesmere Port | 1997 |
| AIO Deliveries Ltd | London | 2021 |
| AIO Shopping Ltd | London | 2021 |
| Aioc Limited | Wolverhampton | 2023 |
| Aion Spedition Ltd | Maidstone | 2025 |
| Aionios Group Logistics Ltd | Manchester | 2024 |
| AIP Enterprises Limited | Harrow | 2002 |
| Aipbuild Ltd | Crewe | 2024 |
| Air & Sea Logistics Ltd | Hayes | 2024 |
| Air ADS Limited | Wilmslow | 1999 |
| Air Advantage Limited | Blairgowrie | 2011 |
| Air Alderney Limited | Westerham | 2020 |
| Air Ally Limited | Stanmore | 2010 |
| Air Ambulance Aviation Ltd | Chatham | 2026 |
| Air and Cargo Services (Holdings) Limited | West Sussex | 2004 |
| Air and Cargo Services Limited | 1 Oxford St | 1945 |
| Air Anglia Limited | London | 2026 |
| Air Berlin Holding Limited | Newport | 2007 |
| Air Berlin PLC | London | 2005 |
| Air Brake Connections Limited | Northfleet | 1992 |
| Air Business Limited | Hatfield | 1986 |
| Air Caernarfon Limited | Dinas Dinlle | 1985 |
| Air Cargo Express (South West) Limited | | 2005 |
| Air Cargo Finesse Ltd | London | 2026 |
| Air Cargo Global Kenya Ltd | Harrow | 2018 |
| Air Cargo LHR Ltd | Slough | 2023 |
| Air Cargo Movements Ltd | Yeovil | 2025 |
| Air Cargo Prime Logistics Ltd | Edgware | 2022 |
| Air Cargo Trader Limited | Horsham | 1986 |
| Air Castle Travel Ltd | London | 2021 |
| Air Charter & Travel Limited | Blackpool | 1992 |
| Air Charter Aviation Limited | Gatwick | 2009 |
| Air Charter Executive Ltd | Darlington | 2014 |
| Air Charter Miner Ltd. | Tunbridge Wells | 2015 |
| Air Charter Scotland Group Limited | Glasgow | 2020 |
| Air Charter Scotland Limited | Glasgow | 2006 |
| Air Charter Service Leasing Limited | Surbiton | 2024 |
| Air Charter Service Limited | Surbiton | 1990 |
| Air Charter Solutions Ltd | Swaffham | 2012 |
| Air Charter Travel Limited | Gatwick | 1996 |
| Air Charter Travel Trustee Limited | Gatwick | 2024 |
| Air China Cargo Co. Ltd | Prestwick | 2026 |
| Air Consultancy Ltd | Altrincham | 2016 |
| Air Contractors (UK) Limited | London | 1972 |
| Air Courier Service Ltd | Surbiton | 2009 |
| Air Courier Worldwide Express Limited | Ashford | 2002 |
| Air Customs Clearance UK Ltd Limited | London | 2024 |
| Air Dispatch Solutions Ltd | Darlington | 2023 |
| Air DM Ltd | Cheltenham | 2022 |
| Air Elite Aviation Ltd | London | 2023 |
| Air Exec Limited | Essex | 1994 |
| Air Executive Ltd | Kington | 2012 |
| Air Express Cars Limited | Southall | 2016 |
| Air Falcon Limited | Southend-On-Sea | 2008 |
| Air Fayre Limited | London | 1998 |
| Air FLO Aviation Ltd | Wirral | 2025 |
| Air Freight Cargo ZIM Limited | Coventry | 2019 |
| Air Freight Solutions Ltd | Castleford | 2019 |
| Air Freight Transport Limited | Harefield | 2003 |
| Air Global Holdings Limited | Ramsgate | 2016 |
| Air Harrods Limited | London | 1996 |
| Air Haulage Ltd | Doncaster | 2023 |
| Air Hub Limited | Stourbridge | 2025 |
| Air Kashmir Limited | Kilmarnock | 2019 |
| Air Kathmandu Ltd | Hounslow | 2010 |
| Air Kilroe Limited | Leeds | 1995 |
| Air Liaison (U.K.) Limited | East Midlands Airport | 1993 |
| Air Liaison Limited | East Midlands Airport | 1991 |
| Air Logistics Limited | Castle Donington | 1991 |
| Air Logistics Networks Limited | Castle Donington | 1978 |
| Air Marine Limited | Hounslow | 1993 |
| Air MED Transport Limited | Handsworth | 2010 |
| Air Midlands Limited | Cwmbran | 2024 |
| Air Motive Limited | Warwick | 2020 |
| Air Navigation Solutions Limited | Crawley | 2014 |
| Air One Aviation Limited | Kingston-Upon-Thames | 2009 |
| Air One International Holdings Ltd | Kingston Upon Thames | 2012 |
| Air One Skydive Limited | Torquay | 2013 |
| Air Parcel Services Ltd | Leicester | 2019 |
| Air Park Parking Ltd | Reading | 2026 |
| Air Partner Limited | Gatwick | 1970 |
| Air Passenger Duty Direct Ltd | Woking | 2024 |
| Air Power Europe Limited | Witney | 2025 |
| Air Premier Cars Berkshire Ltd | Newbury | 2018 |
| Air Privé Limited | London | 2024 |
| Air Profile 2000 Limited | Bridge Of Weir | 1991 |
| Air Projects Consulting Ltd | London | 2024 |
| Air Reach Global Ltd | London | 2025 |
| Air Rescue UK Ltd | Telford | 2015 |
| Air Road Transport Ltd | Northampton | 2024 |
| Air Saffar Ltd | Ruislip, | 2026 |