| Asjm Holdings Ltd | Halifax | 2023 |
| ASK (Telford) Ltd | Telford | 2016 |
| ASK 4 Leasing Limited | Cardiff | 2015 |
| ASK About Mortgages Limited | Romsey | 2013 |
| ASK ARA Group Limited | Haslemere | 2023 |
| ASK Assets Ltd | Wetherby | 2022 |
| ASK C Consultancy Limited | Limavady | 2012 |
| ASK Capital Holding Limited | London | 2023 |
| ASK Capital Ltd | London | 2025 |
| ASK Direct Hire Limited | Halifax | 2008 |
| ASK Elliott Ltd | Plymouth | 2020 |
| ASK Financial Services Ltd | Staines-Upon-Thames | 2018 |
| ASK Financial Solutions Ltd | Romford | 2025 |
| ASK Fire Safety Ltd | Hull | 2024 |
| ASK Gola Holdings Limited | Barnet | 2022 |
| ASK Inclusive Finance Group Holding Limited | London | 2014 |
| ASK Inclusive Finance Services Limited | London | 2019 |
| ASK Insurance Services Limited | Lancaster | 2014 |
| ASK Investment Holdings Limited | Derby | 2025 |
| ASK Investments Holdings Ltd | London | 2024 |
| ASK Ladder Limited | Saffron Walden | 2016 |
| ASK Media Ltd | Cambridge | 2025 |
| ASK Medical Limited | Wetherby | 2011 |
| ASK Mortgages Limited | Arnold Nottingham | 2003 |
| ASK Outlets (Holdings) Limited | Pinner | 2022 |
| ASK Property Investment Group Ltd | Horsham | 2021 |
| ASK Renewables Holdings Ltd | Barnsley | 2022 |
| ASK SAM Mortgages Ltd | Sleaford | 2025 |
| ASK the Mortgage Experts Ltd | Wolverhampton | 2019 |
| ASK Underwriting Limited | Grantham | 2009 |
| ASK08 Holdings Ltd | Hitchin | 2022 |
| ASK19 Holdings Limited | Sidcup | 2020 |
| ASK2 Company Ltd | Oxford | 2023 |
| Aska Consultancy Ltd | Edinburgh | 2022 |
| Aska Windfarm Holdings Limited | Edinburgh | 2021 |
| Askah Holding Limited | Manchester | 2025 |
| Askaig Newington Limited | Barnet | 2019 |
| Askam Conti Holdings Limited | Lincoln | 2018 |
| Askanee Group Ltd | Warrington | 2025 |
| Askar Security Services Ltd | Liverpool | 2025 |
| Askari & Co. Limited | Glasgow | 2005 |
| Askary and Co Limited | Newcastle Upon Tyne | 2018 |
| Askas Solutions Ltd | London | 2018 |
| Askd Holdings Limited | Barnsley | 2024 |
| Askell Wenn Ltd | London | 2025 |
| Asker Holdings Limited | Hertford | 2023 |
| Askesa Holdings Limited | Leamington Spa | 2026 |
| Askews Risk Management Limited | Coventry | 2013 |
| Askey & Sutcliffe Associates Limited | Stoke-On-Trent | 2004 |
| Askey Douglas Ltd | Wembley | 2022 |
| Askey Limited | Walsall | 2012 |
| Askgg Limited | Kidderminster | 2022 |
| Askham Bryan Investments Limited | York | 2022 |
| Aski-Green Holdings Limited | Hatfield | 2022 |
| Askk Holdings Limited | Hornchurch | 2016 |
| Asklet Limited | London | 2015 |
| Asko Holdings Ltd | Barking | 2026 |
| Askoldas Limited | North Finchley | 2010 |
| Askr Holdings Limited | East Grinstead | 2025 |
| Askun Global Business & Services Ltd. | London | 2022 |
| ASL Group Holdings Ltd | Boston | 2023 |
| ASL Group Sussex Limited | Hastings | 2024 |
| ASL Investment II (USD) Limited | London | 2023 |
| ASL Investment II Limited | London | 2023 |
| ASL Mortgages and Protection Ltd | Manchester | 2019 |
| ASL Ventures Ltd | Kidderminster | 2022 |
| Aslan Financial Services Ltd | London | 2001 |
| Aslan Group Ltd | Liverpool | 2024 |
| Aslan Investments Limited | Walton On Thames | 1990 |
| Aslan Mortgage Solutions Ltd | London | 2025 |
| Asletts Development Ltd | Eastbourne | 2025 |
| Asley Holdings Limited | Slough | 2024 |
| Asll Properties Ltd | London | 2017 |
| Aslp Property Solutions UK Ltd | Neath | 2021 |
| Aslr Holdings Ltd | Stone | 2023 |
| Aslz Limited | London | 2021 |
| ASM Contact Holdings Ltd | Norwich | 2023 |
| ASM Family Investments Limited | Guildford | 2026 |
| ASM Investment Group Ltd | Basildon | 2026 |
| ASM London Market Risk Limited | London | 2023 |
| ASM Marlow Limited | Marlow | 2021 |
| ASM Opportunities Ltd | London | 2023 |
| ASM Recovery Limited | Port Of Monteith | 2008 |
| ASM Special Opportunities Ltd | London | 2023 |
| ASM Specialty Risk Ltd | Stalybridge | 2022 |
| ASM Ventures Limited | Bradford | 2025 |
| ASM Wealth Management Ltd | London | 2017 |
| Asma Associates Ltd | Edgware | 2016 |
| Asma Investments Limited | Potters Bar | 2018 |
| Asmark Ltd | Hemel Hempstead | 2023 |
| Asme Group Ltd | Harrow | 2025 |
| Asme Holdings Limited | Bournemouth | 2020 |
| Asmec Group Limited | Orpington | 2026 |
| Asmet Group Limited | Sheffield | 2019 |
| Asmet Limited | Dronfield | 2009 |
| Asmey Trading Limited | London | 2023 |
| Asmh Investments Ltd | Bolton | 2021 |
| Asmodey Corporation Limited | London | 2015 |
| Asmpt UK Holding Limited | Weymouth | 2010 |
| Asms Holdings Limited | Ilford | 2026 |