| Aeroprints Limited | Southampton | 2011 |
| Aeroprofessional Limited | Chandlers Ford | 2005 |
| Aeroprofessional Technics Limited | Chandlers Ford | 2022 |
| Aeroquest Ltd | London | 2024 |
| Aerorea Limited | Huntingdon | 2013 |
| Aeroscape Experiences Limited | Enfield | 2024 |
| Aeroscene Limited | Knaresborough | 2002 |
| Aeroshield Ltd | Bradford | 2024 |
| Aerosol Services Ltd | Clacton-On-Sea | 2006 |
| Aerosoul (Birmingham) Ltd | Birmingham | 2012 |
| Aerospace & Aviation Consulting Services Limited | Swansea | 2013 |
| Aerospace & Quality System Consultants Ltd | Derby | 2013 |
| Aerospace Classics Limited | Princes Risborough | 2011 |
| Aerospace Coatings Limited | Farnham | 1991 |
| Aerospace Fasteners Ltd | Maidenhead | 1984 |
| Aerospace Finance 6771 UK Limited | London | 2015 |
| Aerospace Finance 6816 UK Limited | London | 2015 |
| Aerospace Finance 6818 UK Limited | London | 2015 |
| Aerospace Investments Co. Ltd | Olney | 2005 |
| Aerospace Media Services Ltd | Sudbury | 2019 |
| Aerospace Reliance Limited | Altrincham | 2017 |
| Aerospace Resources Ltd | London | 2007 |
| Aerospace Travel Agents Ltd | London | 2009 |
| Aerospacedirect Limited | West Midlands | 2001 |
| Aerospike UK Limited | Cheltenham | 2016 |
| Aerostyle (UK) Limited | Leamington Spa | 2004 |
| Aerotail Travel and Tours Ltd | Leeds | 2022 |
| Aerotek Design Limited | Bristol | 2008 |
| Aerothermal Group Holdings Limited | Chandlers Ford | 2013 |
| Aerotrace Limited | Hemel Hempstead | 2025 |
| Aerovale Travel Ltd | Penarth | 2026 |
| Aerovantage Limited | Southampton | 2026 |
| Aerovolt Sportair Ltd | Shoreham-By-Sea | 2024 |
| Aerovolt UK Ltd | Shoreham-By-Sea | 2022 |
| Aerowash Drones Ltd | Chepstow | 2024 |
| Aerra Lines Ltd | London | 2025 |
| Aerticket UK Limited | London | 2021 |
| Aerzen Rental UK Limited | Langley Mill | 2022 |
| AES (NI) Limited | Belfast | 1992 |
| AES 123 Ltd | Birmingham | 2026 |
| AES Alarms Ltd | Nr Pulborough | 2013 |
| AES Business Solutions Ltd | Llangollen | 2019 |
| AES Consulting Services Ltd | Glasgow | 2022 |
| AES Corporation Ltd | London | 2024 |
| AES Digital Limited | Stockton On Tees | 2014 |
| AES Event Build Limited | Leeds | 2025 |
| AES Event Logistics Limited | Leeds | 2025 |
| AES Events Ltd | London | 2023 |
| AES Payroll Services Ltd | Swansea | 2014 |
| AES Signs Limited | Bristol | 2005 |
| Aesa Group Limited | Altrincham | 2025 |
| Aesacs Limited | Littlehampton | 2019 |
| Aesalon Ltd | Gerrards Cross | 2010 |
| Aesalon Projects Ltd | London | 2014 |
| Aesara Partners Limited | London | 2017 |
| Aesculapius Medico Legal Ltd | Liverpool | 2015 |
| Aesir Elite Ltd | Westbury | 2025 |
| Aesn Travels & Tours Ltd | Uxbridge | 2025 |
| Aesonics Ltd | London | 2023 |
| Aesop Ventures Limited | Norwich | 2011 |
| Aessoa Europe Ltd | Leeds | 2020 |
| Aestechtic Ltd | Farnborough | 2023 |
| Aesthedomhull Ltd | Sutton Coldfield | 2020 |
| Aesthetic & Beauty Consultants Ltd | London | 2022 |
| Aesthetic Agent Ltd | Manchester | 2026 |
| Aesthetic Appraisals Ltd | London | 2019 |
| Aesthetic Cleaning and Maintenance Services Limited | Barnsley | 2020 |
| Aesthetic Gardens and Drives Ltd | Cardiff | 2006 |
| Aesthetic GL Ltd | London | 2016 |
| Aesthetic Interior Cleaning Services Ltd | Barnsley | 2024 |
| Aesthetic Medispa Clinics Limited | London | 2019 |
| Aesthetic Occasions Ltd | Croydon | 2026 |
| Aesthetic Response Ltd | Gateshead | 2011 |
| Aesthetic Room (Norfolk) Ltd | Norwich | 2021 |
| Aesthetic Support Limited | London | 2018 |
| Aestheticology Ltd | Birmingham | 2017 |
| Aesthetics & Wellness Hub Ltd | Romford | 2026 |
| Aesthetics by Anna Ltd | Luton | 2026 |
| Aesthetics by Emily Ltd | Pontefract | 2018 |
| Aesthetics by FKA Ltd | Luton | 2021 |
| Aesthetics Edge Limited | Waterlooville | 2025 |
| Aesthetics Liverpool Ltd | Liverpool | 2015 |
| Aesthetics Mayfair Germani Ltd | London | 2019 |
| Aesthetics Medispa Ltd | Cheadle | 2025 |
| Aesthetics Wise Limited | Ware | 2022 |
| Aesthetiq Travel Beauty Ltd | London | 2024 |
| Aesthetix Property Care Ltd | Mansfield | 2023 |
| Aesthevision Ltd | London | 2019 |
| Aestian Ltd | Sunderland | 2017 |
| Aesum Limited | Chippenham | 2017 |
| AET Corporate Finance Ltd | London | 2013 |
| AET Electrical Systems Ltd | Portsmouth | 2016 |
| AET Flexible Space Holdings Ltd | East Grinstead | 1999 |
| AET Holdings Limited | Huddersfield | 2009 |
| AET INT Ltd | St. Leonards-On-Sea | 2013 |
| Aet.Gb. Limited | Romsey | 2001 |
| Aetas Limited | Shifnal | 2012 |
| Aetas Management Ltd | Worthing | 2014 |
| Aeterna Power Limited | Potters Bar | 2024 |
| Aeternum Consilium Ltd | Craigavon | 2025 |