| AL Naseeb Ltd | Hospitality | 2020 |
| AL Noora Limited | Real estate | 2020 |
| AL PU Limited | Real estate | 2021 |
| AL Saani Trading Limited | Other services | 2023 |
| AL Tamworth Management Company Ltd | Real estate | 2021 |
| AL Wahab Traders Ltd | Wholesale & retail | 2025 |
| AL Wali Trader Ltd | Wholesale & retail | 2025 |
| AL Yousef Medical Limited | Administrative & support | 2010 |
| Al-Ameen Tours & Travel Limited | Administrative & support | 2010 |
| Al-Aqsa Foods Ltd | Wholesale & retail | 2025 |
| Al-Buraq Healthcare Services Ltd | Wholesale & retail | 2021 |
| Al-Jawadservices Ltd | Transport & logistics | 2024 |
| Al-Khadeja International Ltd | Real estate | 2026 |
| ALA Estates Limited | Real estate | 2025 |
| Alacris Health Care Ltd | Health & social care | 2016 |
| Aladdin Care Ltd | Health & social care | 2019 |
| Aladdin's Bikes Limited | Wholesale & retail | 2012 |
| Aladin Orthopaedic Solutions Limited | Health & social care | 2019 |
| Alakeshwara Limited | Wholesale & retail | 2025 |
| Alam & Co Properties Limited | Real estate | 2018 |
| Alam Traders 52 Ltd | Wholesale & retail | 2012 |
| Alambra Enterprises Ltd | Real estate | 2017 |
| Alamcinematics Ltd | Professional & scientific | 2025 |
| Alamir Oriental Food Ltd | Manufacturing | 2023 |
| Alan Barber Ltd | Other services | 2025 |
| Alan Bexton Limited | Manufacturing | 2012 |
| Alan Bexton Motorcycles Limited | Wholesale & retail | 2016 |
| Alan Brown Roofing Limited | Construction | 2003 |
| Alan Buck Enterprises Ltd | Real estate | 2019 |
| Alan Buck Sourcing Ltd | Real estate | 2019 |
| Alan Cross Limited | Manufacturing | 1983 |
| Alan Gaskell Associates Limited | Professional & scientific | 1995 |
| Alan Mason Garden Design Limited | Other services | 1988 |
| Alan Mcgowan Architects Limited | Professional & scientific | 2004 |
| Alan Morris Contract Services Ltd | Construction | 2025 |
| Alan Penn Limited | Health & social care | 2014 |
| Alan Richard Close Ltd | Real estate | 2017 |
| Alana Management Ltd | Education | 2022 |
| Alanna Charles Properties Limited | Real estate | 2020 |
| Alarp Engineering Services Limited | Professional & scientific | 2014 |
| Alas Investments Limited | Financial services | 2024 |
| Alaskan Ice Franchise Group Limited | Hospitality | 2019 |
| Alaskan Ice Ltd | Hospitality | 2018 |
| Alassala Limited | Manufacturing | 2010 |
| Alavi RAD Solutions Ltd | Health & social care | 2024 |
| Alaxas Constructions Ltd | Construction | 2025 |
| Alayah's Store Ltd | Wholesale & retail | 2020 |
| Alaz Food Ltd | Hospitality | 2025 |
| ALB Black Country Properties Limited | Construction | 2016 |
| ALB Blackpool Prudential Limited | Real estate | 2026 |
| ALB Bridgemill Limited | Real estate | 2021 |
| ALB Bridlesmith NO.1 Ltd | Administrative & support | 2021 |
| ALB Burton Limited | Construction | 2021 |
| ALB Chesterfield Limited | Construction | 2024 |
| ALB Chilwell Limited | Real estate | 2022 |
| ALB Commercial Properties Limited | Real estate | 2014 |
| ALB Derby Limited | Construction | 2021 |
| ALB Estates Limited | Real estate | 2012 |
| ALB Garden Supplies Ltd | Wholesale & retail | 2020 |
| ALB Group (Commercial) Limited | Construction | 2020 |
| ALB Group (Residential) Limited | Real estate | 2020 |
| ALB Horticulture Ltd | Wholesale & retail | 2026 |
| ALB Kirklees Limited | Construction | 2022 |
| ALB Lettings Limited | Hospitality | 2012 |
| ALB North Limited | Real estate | 2016 |
| ALB Norwich Limited | Real estate | 2026 |
| ALB Ollerton Limited | Real estate | 2023 |
| ALB Orange Beeston Ltd | Real estate | 2022 |
| ALB Osmaston Limited | Real estate | 2021 |
| ALB Retirement Management Limited | Households | 2021 |
| ALB Retirement Village Limited | Administrative & support | 2021 |
| ALB Riverleen Limited | Construction | 2019 |
| ALB Wolverhampton Limited | Construction | 2025 |
| Albany Care Limited | Health & social care | 2005 |
| Albany Energy Limited | Real estate | 2011 |
| Albany Inc Limited | Real estate | 2012 |
| Albany Removals Ltd | Transport & logistics | 2005 |
| Albanyway Limited | Real estate | 1978 |
| Albatross Chauffeurs Ltd | Transport & logistics | 2019 |
| Albemarle and Company Limited | Professional & scientific | 2014 |
| Albemarle Court (Nottingham) Limited | Health & social care | 2012 |
| Albemarle Financial Consulting Limited | Financial services | 2016 |
| Albemarle Hall Limited | Health & social care | 2011 |
| Albert Bird Estates Limited | Households | 2024 |
| Albert Looms (Holdings) Limited | Professional & scientific | 2015 |
| Albert Looms Limited | Water & waste | 2015 |
| Albertina's Pizzeria Limited | Hospitality | 2025 |
| Albi Consulting Ltd | Professional & scientific | 2024 |
| Albinomosquito Productions Limited | Information & communication | 2021 |
| Albion Cars Limited | Wholesale & retail | 2025 |
| Albion Health Limited | Administrative & support | 2011 |
| Albion Mortgages Limited | Financial services | 2024 |
| Albo-Star Limited | Administrative & support | 2018 |
| Alborz Constructions Ltd | Construction | 2021 |
| Albostan Restaurant Limited | Hospitality | 2019 |
| Albstar Development Ltd | Construction | 2019 |
| Alby Associates Ltd | Information & communication | 2012 |
| ALC Joinery Limited | Manufacturing | 2024 |
| ALC Security Systems Limited | Manufacturing | 2006 |
| Alca Ecology Ltd | Professional & scientific | 2024 |