| Audio Codecs Limited | Belfast | 2022 |
| Audio Commune Ltd. | London | 2013 |
| Audio Connect Limited | Bridgend | 2025 |
| Audio Copyright Limited | West Molesey | 2025 |
| Audio Creative Design Ltd | Sandy | 2017 |
| Audio Design Inspiration Limited | Richmond | 2013 |
| Audio Dude Ltd | Plymouth | 2020 |
| Audio Dumpling Ltd | Edinburgh | 2025 |
| Audio Elements Ltd | Londom | 2023 |
| Audio Empire Ltd | Abingdon | 2023 |
| Audio Factory Productions Ltd | Blackpool | 2021 |
| Audio Farm Studios Ltd | Gloucester | 2023 |
| Audio Fiction Ltd | Porthcawl | 2021 |
| Audio Flow AI Ltd | Leeds | 2025 |
| Audio Fusion Ltd | London | 2011 |
| Audio Genius Ltd | Dunmow | 2026 |
| Audio Horizons Ltd | Liphook | 2025 |
| Audio Illusion Ltd | Teddington | 2015 |
| Audio Industries Ltd | Leicester | 2019 |
| Audio Inertia Ltd | Leighton Buzzard | 2025 |
| Audio Jack Ltd | Southport | 2023 |
| Audio Junk Food Ltd | Gloucester | 2024 |
| Audio Kandi Limited | Maidenhead | 2006 |
| Audio Masala Limited | London | 2019 |
| Audio Mechanixx Ltd | Salford | 2019 |
| Audio Media Group Limited | Hyde | 2019 |
| Audio Media International Ltd | Thames Ditton | 2020 |
| Audio Morphology Limited | Maldon | 1994 |
| Audio Network Administration Limited | London | 2014 |
| Audio Network Finance Limited | London | 2022 |
| Audio Network Limited | London | 2001 |
| Audio Network Music Rights Ltd | London | 2014 |
| Audio Network Rights Limited | London | 2022 |
| Audio Nutrition Ltd | Blackpool | 2026 |
| Audio OIL Ltd | Camberley | 2022 |
| Audio One Post Production Ltd | Gerrards Cross | 2022 |
| Audio Outsider Ltd | Belvedere | 2025 |
| Audio Peak Recordings Ltd | Swansea | 2025 |
| Audio Producers Events Ltd | London | 2008 |
| Audio Production & Supply Ltd | Guildford | 2012 |
| Audio Productions Limited | Wirral | 2002 |
| Audio QOS Limited | London | 2025 |
| Audio Reflective Ltd | South Croydon | 2015 |
| Audio Rehab Group Limited | Leigh-On-Sea | 2025 |
| Audio Rituals Ltd | London | 2025 |
| Audio Scout Ltd | Burnham-On-Crouch | 2026 |
| Audio Skills Ltd | Warrington | 2019 |
| Audio Sphere Limited | Mitcham | 2023 |
| Audio Stew Ltd | Huddersfield | 2023 |
| Audio Swann Ltd. | Bristol | 2014 |
| Audio Systems Limited | Middlesex | 1965 |
| Audio Take Limited | Bournemouth | 2012 |
| Audio Tweet Ltd | Plymouth | 2011 |
| Audio Underground Limited | Colchester | 2015 |
| Audio Uproar Limited | Bristol | 2009 |
| Audio Video Forensics Limited | Stockport | 2008 |
| Audio Video Limited | Luton | 2016 |
| Audio Vids Limited | Marlborough | 2013 |
| Audio Visceral Limited | Hastings | 2021 |
| Audio Visual Architecture Limited | Burgess Hill | 2008 |
| Audio Visual Excellence Limited | Hungerford | 2011 |
| Audio Visual Freelance Collective Limited | Macclesfield | 2022 |
| Audio Visual Hire UK Ltd | Rossendale | 2025 |
| Audio Visual Integrators Ltd | Leatherhead | 2020 |
| Audio Visual Interactive Technology Limited | Stockport | 2016 |
| Audio Visual London Ltd | Northolt | 2014 |
| Audio Visual Media Ltd | Stockport | 2019 |
| Audio Visual Programming Consultancy Limited | Bromley | 2009 |
| Audio VOX Limited | London | 2013 |
| Audio Wallpaper Limited | Margate | 2018 |
| AUDIO4VISUAL Limited | Newcastle Upon Tyne | 2008 |
| Audioactive Limited | London | 1996 |
| Audioalice Ltd | London | 2024 |
| Audioaudioaudio Ltd | Leeds | 2023 |
| Audiobeat Touring 2026 Ltd | London | 2026 |
| Audiobeat Touring Ltd | Oldham | 2022 |
| Audiobob Ltd | Gloucester | 2019 |
| Audiobook Productions Ltd | London | 2018 |
| Audiobook Radio (Holdings) Limited | London | 2011 |
| Audioboom Limited | London | 2009 |
| Audioclassroom Ltd | Swansea | 2025 |
| Audiocodes Europe Ltd | London | 2003 |
| Audiocomp Ltd | Watford | 2011 |
| Audiocube Limited | South Shields | 2016 |
| Audiodaddy Ltd | London | 2025 |
| Audiodsp Limited | Manchester | 2019 |
| Audioegg Limited | Brighton | 2018 |
| Audioexp Ltd | Walton-On-Thames | 2023 |
| Audiofilm.Com Limited | Hailsham | 2015 |
| Audioflix Ltd | Leicester | 2025 |
| Audiofy Limited | Rickmansworth | 2025 |
| Audiogem Ltd | London | 2026 |
| Audiogen Limited | London | 2023 |
| Audiogenic Software Limited | Essex | 1984 |
| Audiogo Limited | Liverpool | 1977 |
| Audiogradeuk Limited | Epsom | 2021 |
| Audiografix Limited | London | 1998 |
| Audiohaus Ltd | London | 2021 |
| Audiohustler Limited | Orpington | 2013 |
| Audioinsight Ltd | London | 2012 |