| Alijarah UK Holdings Ltd | Manchester | 2025 |
| Alikraft Holdings Limited | Andover | 2022 |
| Alimas Property Limited | Magherafelt | 2026 |
| Alimede Consulting Ltd | London | 2025 |
| Alimenta Bidco Limited | London | 2025 |
| Alimenta Midco 1 Limited | London | 2025 |
| Alimenta Midco 2 Limited | London | 2025 |
| Alimentary Solutions Holdings Limited | Chorley | 2022 |
| Alimil Ltd | Chelmsford | 2022 |
| Alimina Ltd | Gateshead | 2024 |
| Alimita 2 Limited | Walsall | 2025 |
| Alimita 3 Limited | Walsall | 2025 |
| Alimita 4 Limited | Walsall | 2025 |
| Alimita Limited | Walsall | 2025 |
| Alimog Enterprise Limited | Staines Upon Thames | 2024 |
| Aline Shareholders Limited | St. Leonards-On-Sea | 2014 |
| Aline Vehicle Delivery Limited | Bury | 2021 |
| Alinea Capital Limited | Hornchurch | 2018 |
| Alinea Holdings Limited | Bristol | 2022 |
| Alington Ruthin Stockbrokers and Investment Management Limited | Denbighshire | 2003 |
| Aliom Holdings Limited | Maidstone | 2014 |
| Alione Mortgages Services Limited | Hornchurch | 2016 |
| Aliotta Holdings Limited | Aylesbury | 2003 |
| Alipen Limited | Poole | 2019 |
| Alirhebern Property Limited | London | 2025 |
| Aliro Investments Limited | London | 2021 |
| Alirom Ltd | Stoke-On-Trent | 2018 |
| Alis E3 Ltd | London | 2025 |
| Alis Global Holdings Ltd | Colchester | 2023 |
| Alisa Investments Limited | Manchester | 1956 |
| Alisa Trades Ltd | Ruislip | 2026 |
| Alisan Holdings Limited | Birmingham | 2026 |
| Alisend Ltd | London | 2025 |
| Aliseni Holding Ltd | Wokingham | 2026 |
| Alishaan Holdings Limited | Bristol | 2016 |
| Alison Clark Mortgage Services Ltd | Leicester | 2014 |
| Alison Gregory Wealth Management Limited | Ashbourne | 2014 |
| Alison Hardy Limited | Chesterfield | 2019 |
| Alison Howie Financial Services Limited | Alderholt | 2015 |
| Alison Learner Mortgages Limited | St. Albans | 2023 |
| Alison Meechan Mortgage & Protection Adviser Ltd | Falkirk | 2023 |
| Alison Moullaali Limited | Middlesbrough | 2016 |
| Alison Patton Ltd | Bridge Of Weir | 2026 |
| Alison Rigg Limited | Cheadle | 2004 |
| Alison Ross Financial Planning Limited | Nottingham | 2014 |
| Alison Yelland Consulting Limited | Ashby-De-La-Zouch | 2022 |
| Alisons Investments Limited | London | 2026 |
| Alissa Healthcare Holdings Limited | Fareham | 2017 |
| Alistair Craig Financial Services Ltd | Glasgow | 2019 |
| Alistair Electrical Holdings Ltd | Hamilton | 2019 |
| Alistair Redhouse Mortgage Services Ltd | Oxford | 2026 |
| Alistair Waugh Mortgage Services Limited | Worksop | 2018 |
| Alistair Young Financial Ltd | 3 Semple Street | 2020 |
| Alister Haria Holdings Ltd | Birmingham | 2021 |
| Aliter Capital General Partner Limited | London | 2016 |
| Alitex Group Limited | Petersfield | 2019 |
| Alitheo Ventures Ltd | Thames Ditton | 2022 |
| Alithis Holdings Ltd | Bath | 2015 |
| Alitis Limited | London | 2015 |
| Alito Investment Group Ltd | Hove | 2026 |
| Alitoria Holdings Limited | London | 2025 |
| Alitra Holdings Ltd | London | 2025 |
| Alitus 2 Limited | London | 2024 |
| Alitus Intermediaries Limited | London | 2019 |
| Alium Consultancy Ltd | London | 2019 |
| Alium Global Holdings Limited | Crawley | 2023 |
| Aliunde Limited | Kent | 2005 |
| Aliur Limited | London | 2024 |
| Alive Comms Group Limited | Camberley | 2018 |
| Alive Construction Holdings Ltd | Doncaster | 2020 |
| Alive HR Holdings Limited | Yeovil | 2025 |
| Aliveko Mortgages & Protection Ltd | Bishop'S Stortford | 2023 |
| Alivira Animal Health UK Ltd | Birmingham | 2020 |
| Alixer Limited | Glasgow | 2025 |
| Aliza Holding Ltd | Huddersfield | 2025 |
| Alizan Mortgages Ltd | Bradford | 2021 |
| Alize Marine Holdings Ltd | Hoddesdon | 2016 |
| Alizurum Limited | Borehamwood | 2024 |
| Aliénor Ltd | London | 2025 |
| ALJ Capital Holdings Ltd | Bishop Auckland | 2026 |
| Alja Holdings Limited | Caldicot | 2026 |
| Aljan Group Ltd | Barnet | 2020 |
| Aljaradat Ltd | London | 2023 |
| Aljubarrota Limited | London | 2018 |
| ALK Capital Limited | Leeds | 2020 |
| ALK Holdings Ltd | London | 2020 |
| ALK Independent Financial Advisers Limited | Kidderminster | 2005 |
| Alka Capital Group Ltd | London | 2022 |
| Alka Financial Services Limited | Wembley | 2004 |
| Alka Holdco Limited | Cardiff | 2025 |
| Alka Meekhil Patel Mortgages Ltd | Chelmsford | 2023 |
| Alkai Ventures Limited | Telford | 2020 |
| Alkaios Limited | London | 2010 |
| Alkan Holding Ltd | Winchester | 2023 |
| Alkane Investments Ltd | Wilmslow | 2019 |
| Alkar Holdings Limited | London | 2022 |
| Alkasiri Properties Ltd | Slough | 2025 |
| Alkebulan Investments Ltd | London | 2025 |
| Alkebulan Ltd | London | 2013 |
| Alkebulan Wealth Limited | London | 2025 |