| AVI Transport and Logistics Limited | Reading | 2026 |
| AVI Transport Ltd | West Bromwich | 2014 |
| AVI8 Global Ltd | Billingshurst | 2021 |
| AVI8 Limited | Greengates | 2017 |
| Avia BLU Flightline Limited | Colchester | 1986 |
| Avia Cargo Services Limited | Feltham | 2005 |
| Avia Intelligence Ltd | Bristol | 2013 |
| Avia Leas Georgia Ltd | London | 2025 |
| Aviadev Ltd | Godalming | 2018 |
| Avian Parking Limited | Bolton | 2026 |
| Avian Universal Ltd | London | 2024 |
| Aviance Aviation Limited | Littlehampton | 2025 |
| Aviance UK Limited | Newcastle Upon Tyne | 1971 |
| Aviantic Ltd | High Wycombe | 2026 |
| Aviareps UK Ltd | London | 1997 |
| Aviasill Ltd | Uckfield | 2023 |
| Aviastra Flight Charter Ltd | Bournemouth | 2009 |
| Aviat International Ltd | Chertsey | 2016 |
| Aviatec Limited | Aberdeen | 2013 |
| Aviatek Dynamics Ltd | Norwich | 2022 |
| Aviation & Marine Interiors Limited | Hook | 1985 |
| Aviation Advisors Limited | Farnham | 2000 |
| Aviation and Security Assistance (UK) Limited | London | 2024 |
| Aviation Associates Ltd | Exeter | 2017 |
| Aviation Business Continuity Limited | Harmondsworth | 2007 |
| Aviation Component Management Limited | London | 2005 |
| Aviation Editing Ltd | London | 2020 |
| Aviation Emissions Solutions Ltd | Cambridge | 2012 |
| Aviation Engineering Support Ltd | Southam | 2011 |
| Aviation Engtech Limited | Sidmouth | 2009 |
| Aviation Fuel Services Limited | Hounslow | 1964 |
| Aviation Global Services Ltd | Farnborough | 2011 |
| Aviation Ground Operations Training Services Ltd | Broadstairs | 2011 |
| Aviation Ground Support Limited | Saffron Walden | 2004 |
| Aviation Info Tech Limited | Cirencester | 2022 |
| Aviation Kings Ltd | London | 2020 |
| Aviation Logistics Group Limited | Aberdeen | 2016 |
| Aviation Logistics Limited | East Grinstead | 2001 |
| Aviation Logistics Network IP Limited | Warwickshire | 2009 |
| Aviation Logistics Network Limited | Warwickshire | 2009 |
| Aviation Management Support Limited | Slough | 1997 |
| Aviation Marine (Services) Limited | Henfield | 2004 |
| Aviation Marketing Consultants Limited | Lytham St. Annes | 1982 |
| Aviation Multi Services Limited | Grimsby | 2015 |
| Aviation Park Group Limited | Saltney Ferry Chester | 2004 |
| Aviation Professionals Ltd | Paisley | 2020 |
| Aviation Service (Iraq) Limited | London | 2014 |
| Aviation Services - North West Limited | Northwich | 2018 |
| Aviation Services EDI Limited | London | 2018 |
| Aviation Servicing Company Ltd | Runcorn | 2008 |
| Aviation SIM Training and Consulting Ltd | Chester | 2024 |
| Aviation Solutions Limited | Castle Donington | 1998 |
| Aviation Structures Ltd | Hove | 2021 |
| Aviation Support Limited | Uxbridge | 1986 |
| Aviation Technical Consultancy Limited | Nuneaton | 2007 |
| Aviation Training Academy Limited | Stamford | 2008 |
| Aviation Training Support Ltd | Marlborough | 2010 |
| Aviation Transport Consultancy Services Limited | Windsor | 2010 |
| Aviation West Limited | Glasgow | 1991 |
| Aviation, Advice and Consulting Limited | Reading | 2010 |
| Aviationnextgen Ltd | Stourport-On-Severn | 2010 |
| Aviator Express Ltd | Stoke-On-Trent | 2019 |
| Aviator Transport Ltd | Telford | 2020 |
| Aviatours FLY Without Fear Limited | Haslemere | 2011 |
| Aviaâ Ltd | Kidlington | 2016 |
| Avib Ltd | Gloucester | 2018 |
| Aviba Ltd | Bolton | 2024 |
| Avicam Aviation Ltd | Staines-Upon-Thames | 2011 |
| Avicare Limited | West Sussex | 1990 |
| Avichem Limited | West Sussex | 1998 |
| Avico UK Ltd | Crawley | 2024 |
| Avicon Consulting Ltd | London | 2025 |
| Avics MED Catering & Freight UK Ltd | Birmingham | 2018 |
| Avid Removals & Cleaning Service Ltd | Southampton | 2022 |
| Avid Ventures Ltd | London | 2026 |
| Avidus JET Management Limited | Farnborough | 2016 |
| Aviemore Taxis Limited | Kingussie | 2013 |
| Aviette Limited | Bournemouth | 2013 |
| Avijas Transport Limited | Oldbury | 2024 |
| Avijot Express Limited | Wolverhampton | 2025 |
| Avin (London) Limited | London | 1991 |
| Avin Shipbrokers (London) Limited | London | 1977 |
| Aviocharter Limited | London | 2008 |
| Avion Designs Limited | Newport | 1993 |
| Avion Electrical Ltd | Telford | 2003 |
| Avion Flight Training Centre UK Ltd | Bristol | 2019 |
| Avion Partners Ltd | Chipping Norton | 2012 |
| Avionic and Electrical Systems Limited | Saffron Walden | 2006 |
| Avionic Modification Specialist Ltd | Crewkerne | 2025 |
| Avionics Support Sales Limited | Crawley | 2015 |
| Aviosphere Ltd | Wantage | 2023 |
| Avioventura Limited | Knutsford | 1998 |
| Avir Courier Logistics Ltd | Hayes | 2025 |
| Avir Express Ltd | Luton | 2025 |
| Avis Aero Ltd. | London | 2018 |
| Avis Yvonne Ltd | Spalding | 2016 |
| Aviserv Limited | Hayes | 2002 |
| Avisu Ltd | Beauly | 2012 |
| Avit Europe Limited | Slough | 2011 |
| Avitaz Transport Ltd | Smethwick | 2022 |