| Alpha Voice Communications Ltd | Billingham | 2010 |
| Alpha Wash Ltd | Glasgow | 2021 |
| Alpha Zulu Services Limited | Bradford | 2017 |
| Alpha-B Group Ltd | Potters Bar | 2014 |
| Alpha-Lets (UK) Limited | London | 1995 |
| Alphab Nottingham Limited | Nottingham | 2013 |
| Alphabeauty Limited | Andover | 2023 |
| Alphabet Dog Walking Agency Ltd | London | 2019 |
| Alphabet Signs (South West) Limited | Plymouth | 2008 |
| Alphabet Street Limited | London | 2003 |
| Alphabet Training Group Ltd. | Blackburn | 2012 |
| Alphablue Limited | Woodford Green | 2017 |
| Alphabolic Ltd | London | 2026 |
| Alphabuy Limited | Leeds | 2021 |
| Alphacom Solutions Ltd | Southampton | 2025 |
| Alphacrete International Limited | London | 1977 |
| Alphacroft Limited | Boston | 2022 |
| Alphadeal Limited | Bury St. Edmunds | 2017 |
| Alphadizenab Limited | Luton | 2017 |
| Alphador Claims UK Ltd | Manchester | 2018 |
| Alphafoodie Limited | Oxford | 2017 |
| Alphagate Investment Group Ltd | Ipswich | 2023 |
| Alphagrp Limited | Colchester | 2016 |
| Alphah UK Ltd | Ellon | 2010 |
| Alphahaus Ltd | Bicester | 2026 |
| Alphaleisure Retail Limited | Glasgow | 2014 |
| Alphaline Services Ltd. | South Ockendon | 2020 |
| Alphalinen Limited | Bicester | 2025 |
| Alphalynx Limited | London | 2026 |
| Alphamalegrooming Limited | Newcastle Upon Tyne | 2009 |
| Alphamenscircle Ltd | Cheshire | 2023 |
| Alphanotes (UK) Limited | London | 2020 |
| Alpharize Limited | Northwood | 2023 |
| Alphas Canine Care Limited | London | 2021 |
| Alphaside Limited | Barnet | 2025 |
| Alphasol Limited | Manchester | 2010 |
| Alphastone Equities Limited | London | 2017 |
| Alphasys Limited | Manchester | 2024 |
| Alphatec AV Ltd | Oldham | 2023 |
| Alphatrack Ltd | Helensburgh | 2015 |
| Alphaveata Ltd | Winchester | 2024 |
| Alphaveta Group Limited | London | 2020 |
| Alphawave Trading Ltd | London | 2025 |
| Alpheta Design Limited | Castleford | 2018 |
| Alphin Property Ltd | Mansfield | 2015 |
| Alphington Road Limited | Exeter | 2013 |
| Alphonse Dineen Hair Studio Limited | Solihull | 2002 |
| Alphonsus Care | Great Barr | 2006 |
| Alphonsus Services (Dudley) Limited | Birmingham | 2005 |
| Alphonsus Services Limited | Birmingham | 1992 |
| Alphoria Shop Ltd | London | 2025 |
| Alpic Energy Limited | Shrewsbury | 2020 |
| Alpii Barbers Limited | Gosport | 2026 |
| Alpin PMK Limited | London | 2014 |
| Alpin Restaurant Ltd | Oxford | 2024 |
| Alpin UK Limited | Mansfield | 2005 |
| Alpine Access Services Ltd | Hove | 2022 |
| Alpine Car Parks Limited | Manchester | 2019 |
| Alpine Clinics Limited | Ilford | 2022 |
| Alpine Contractors (Southern) Ltd | Poole | 2003 |
| Alpine Course Setters Limited | Hinckley | 2023 |
| Alpine Development Partners Limited | Exeter | 2009 |
| Alpine HC Limited | Hull | 2007 |
| Alpine Interactive UK Ltd | Cockfosters | 2001 |
| Alpine Planning Ltd | Chelmsford | 2016 |
| Alpine Plumbers Ltd | London | 2009 |
| Alpine Recovery and Sales Ltd | Motherwell | 2024 |
| Alpine Rescue and Recovery Services Limited | Oldham | 1992 |
| Alpine Retreat Ltd | Wokingham | 2018 |
| Alpinex Ltd | Altrincham | 2018 |
| Alpinium Limited | Clacton-On-Sea | 2020 |
| Alpis Beauty Solutions Limited | Liverpool | 2019 |
| Alppads Ltd | Rickmansworth | 2022 |
| Alpro Bidco 1 Ltd | Tyne And Wear | 2025 |
| Alps Sourcing Ltd | Heywood | 2019 |
| Alqadsya Car Sales Ltd | Cardiff | 2023 |
| Alqaesar Ltd | Edinburgh | 2024 |
| Alqasar Limited | Colchester | 2022 |
| Alqst for Human Rights Ltd | London | 2014 |
| ALR Engineering Ltd | Leeds | 2021 |
| ALR Entertainment Ltd | Teddington | 2023 |
| ALR Hair Studio Limited | Andover | 2025 |
| ALR Media Limited | London | 2024 |
| Alrafidain Centre Limited | London | 2015 |
| Alrajo Barbers Ltd | Dudley | 2022 |
| Alrashed Enterprise Ltd | Manchester | 2024 |
| Alrashed Ltd | London | 2020 |
| Alrasheed Barber Ltd | Cardiff | 2018 |
| Alremal Ltd | London | 2003 |
| Alresford & District Agricultural Society Limited | Alton | 1988 |
| Alrewas Hayes Events Limited | Burton On Trent | 2008 |
| Alrizq Solutions Ltd | Blackpool | 2013 |
| Alrodwan CIC | Edinburgh | 2025 |
| Alromi Ltd | London | 2021 |
| Alrope Limited | Hornchurch | 2025 |
| Alrose Salon & Training Ltd | Tiptree | 2022 |
| Alrum Limited | Edinburgh | 2020 |
| Alruqya Limited | London | 2018 |
| ALS Consulting Ltd | Mansfield | 2023 |
| ALS Moving Chef Ltd | London | 2018 |