| ASH Green Systems Limited | Leeds | 2023 |
| ASH Grove IT Consultancy Ltd. | Holmfirth | 2016 |
| ASH Holden Limited | London | 2026 |
| ASH Howes Limited | London | 2002 |
| ASH Information Systems Limited | Tring | 1995 |
| ASH Lake Limited | Potters Bar | 2023 |
| ASH Literary Limited | Marlow | 2023 |
| ASH Mackenzie Publishing Limited | London | 1997 |
| ASH Management Associates Ltd | Newbury | 2011 |
| ASH MAY Consulting Limited | Edinburgh | 2024 |
| ASH Meadows Studio Limited | London | 2020 |
| ASH Media Ltd | Sevenoaks | 2013 |
| ASH Moth Studio Ltd | Harrow | 2024 |
| ASH Mountain Advisory Ltd | Wirral | 2025 |
| ASH Mountain Films Limited | Iver | 2016 |
| ASH Music Ltd | London | 2024 |
| ASH Nelson Group Ltd | Ruislip, | 2022 |
| ASH Networks Limited | Sheffield | 2018 |
| ASH Parsa Limited | Brentford | 2016 |
| ASH Pictures Ltd | Surbiton | 2024 |
| ASH Production Designs Ltd | Maidenhead | 2025 |
| ASH Production Services Ltd | Sawbridgeworth | 2024 |
| ASH Productions Limited | Atherstone | 2020 |
| ASH Recruitment Consultants Ltd | London | 2014 |
| ASH RIJ Edtech Limited | Pinner | 2025 |
| ASH Riley Limited | London | 2019 |
| ASH Safety Consultants Ltd | Ross-On-Wye | 2015 |
| ASH Singh Limited | London | 2022 |
| ASH Soft Solutions Ltd | Slough | 2013 |
| ASH Stanley Studios Ltd | Derby | 2024 |
| ASH Steel Voice Over Ltd | Penryn | 2023 |
| ASH Taylor Ltd | Tring | 2018 |
| ASH Tech Partners Ltd | London | 2024 |
| ASH Technologies Ltd | Bicester | 2012 |
| ASH Telecommunications Limited | Guildford | 1998 |
| ASH Waterhouse Ltd | London | 2024 |
| ASH Watson Limited | London | 2023 |
| ASH White Consulting Ltd | London | 2008 |
| ASH Workman Limited | Ramsgate | 2016 |
| ASH World Enterprises Ltd. | Aylesbury | 2003 |
| Ash-Son Technologies (UK) Limited | Leeds | 2018 |
| ASH15 Ltd | Swanley Village | 2011 |
| ASH23 Ltd | Birmingham | 2026 |
| Asha Consultancy Limited | Manchester | 2015 |
| Asha Consultants Limited | High Wycombe | 2018 |
| Asha Consulting Services Ltd | Eastleigh | 2019 |
| Asha Devi IT Solutions Limited | Dudley | 2015 |
| Asha the Traders Ltd | Stanmore | 2022 |
| Asha-Hope Consultancy Limited | Dunstable | 2012 |
| Ashaa One Ltd. | London | 2017 |
| Ashabel Limited | Milton Keynes | 2023 |
| Ashacre Consulting Limited | Wimborne | 2016 |
| Ashanti Music Company Limited | London | 1995 |
| Ashar Tech Solutions Limited | Mildenhall | 2025 |
| Ashara Ltd | Fraserburgh | 2024 |
| Ashard Audio Ltd | Sandy | 2010 |
| Ashas Technologies Ltd | London | 2024 |
| Ashasi Ltd | Chatham | 2022 |
| Ashavi Materials and Technology Consulting Ltd | Ilford | 2026 |
| Ashazsoft Limited | Slough | 2025 |
| Ashbang Films Ltd | Redhill | 2023 |
| Ashbarn Publishing Limited | East Molesey | 2022 |
| Ashbee Consultants Limited | Bristol | 1998 |
| Ashbeian Solutions Ltd | Stratford Upon Avon | 2023 |
| Ashberry Productions Ltd | London | 2020 |
| Ashbery Associates Ltd | Chester | 2019 |
| Ashbourne 1843 Ltd | Stevenage | 2026 |
| Ashbourne Consulting Limited | Stroud | 1998 |
| Ashbourne IT Consulting Limited | Poole | 2022 |
| Ashbourne Studios Ltd | Salford | 2026 |
| Ashbridge Limited | Middlesbrough | 2020 |
| Ashbridge Music Management Limited | Montrose | 2024 |
| Ashbridge-Law Limited | Shrewsbury | 2024 |
| Ashbrook (UK) Ltd | Andover | 2014 |
| Ashbrooke Telecommunications Design Services Limited | Lytham St.Annes | 2017 |
| Ashburton Concepts Limited | Plymouth | 2017 |
| Ashburton IT Consultancy Ltd | Aylesbury | 2023 |
| Ashbury Computer Services Ltd | High Wycombe | 2019 |
| Ashbury Educational Services Limited | London | 1999 |
| Ashbury Publications Limited | Rugeley | 2017 |
| Ashbury Satcom Ltd | Reading | 2011 |
| Ashby Business Consulting Limited | Rickmansworth | 2010 |
| Ashby Consulting Services Limited | Harrogate | 2022 |
| Ashby IT Ltd | Aylesbury | 2014 |
| Ashby Ltd | Hatfield Peverel | 2006 |
| Ashby Management Consulting Limited | Berkhamsted | 2025 |
| Ashby Moody Limited | Leeds | 2014 |
| Ashby Photography Limited | London | 2025 |
| Ashby Technologies UK Ltd | London | 2026 |
| Ashbyte Ltd | Leicester | 2025 |
| Ashcloud IT Limited | Whitehills Business Park | 2022 |
| Ashcode Limited | Barnet | 2015 |
| Ashcoding Ltd | Defford | 2018 |
| Ashcom Technologies Ltd | London | 2019 |
| Ashcraft Industries Ltd | London | 2024 |
| Ashcrest Digital Ltd | Bury St. Edmunds | 2026 |
| Ashcroft Applied Research Ltd | Cheltenham | 2025 |
| Ashcroft Automations Ltd | Crawley | 2026 |
| Ashcroft IT Design Limited | Rickmansworth | 2014 |
| Ashcroft Pembroke Ltd | London | 2026 |