| Alliance Plumbing Ltd | Construction | 2025 |
| Alliance Property Services (NW) Ltd | Real estate | 2014 |
| Alliance Snooker Limited | Manufacturing | 1986 |
| Alliance Training Centre Limited | Wholesale & retail | 2016 |
| Alliance Utilities Limited | Construction | 2022 |
| Allied Home Care Ltd | Health & social care | 2022 |
| Allied Management Services Ltd | Professional & scientific | 2019 |
| Allied Rescue Training Ltd | Education | 2023 |
| Allied Security Solutions Limited | Administrative & support | 2010 |
| Allied Sports Nutrition Ltd | Wholesale & retail | 2009 |
| Allied Wallet Ltd | Information & communication | 2006 |
| Allison Groceries Ltd | Wholesale & retail | 2025 |
| Allnutt Consulting Limited | Information & communication | 2016 |
| Alloy Wheels North West Ltd | Wholesale & retail | 2021 |
| Allports Food Limited | Other services | 2018 |
| Allready Homes Ltd | Real estate | 2020 |
| Allsorts CHEAPER4U Ltd | Wholesale & retail | 2023 |
| Allsorts Counselling & Coaching CIC | Health & social care | 2025 |
| Allstars Casting Ltd | Administrative & support | 2025 |
| Allstone Property Developments Ltd | Real estate | 2023 |
| Alltami Heath Management Company Limited | Real estate | 2021 |
| Alltherightmoves Limited | Professional & scientific | 2019 |
| Alluinstall Limited | Construction | 2022 |
| Allurea Ltd | Wholesale & retail | 2024 |
| Allvintage Limited | Wholesale & retail | 2025 |
| Allwood Pallets Ltd | Manufacturing | 2007 |
| Allwyn&Aksah Limited | Health & social care | 2025 |
| Ally Engineering Limited | Construction | 2021 |
| Ally Psychotherapy Services CIC | Other services | 2024 |
| Alma & Sama Ltd | Real estate | 2020 |
| Alma 1 Ltd | Hospitality | 2025 |
| Alma Care Assistant Ltd | Administrative & support | 2019 |
| Alma Liverpool Ltd | Hospitality | 2022 |
| Alma Property (Liverpool) Ltd | Real estate | 2025 |
| Alma Restaurant L8 Ltd | Hospitality | 2025 |
| Alma Supplies Limited | Financial services | 2019 |
| Almarica Properties Limited | Real estate | 2019 |
| Almaxx Motorcycle Training Ltd | Education | 1999 |
| Almex Builds Ltd | Construction | 2025 |
| Almog Limited | Hospitality | 2025 |
| Almond Green Fuel Services Ltd | Wholesale & retail | 2024 |
| Almond Property Consultants Limited | Other services | 2011 |
| Almond Valley Ltd | Construction | 2020 |
| Almond's Catering Supplies Limited | Wholesale & retail | 2007 |
| Almonds Catering Supplies Holdings Limited | Financial services | 2025 |
| Almonds Green Development Limited | Construction | 2018 |
| Almoner Care Group Limited | Health & social care | 2021 |
| Alms Project Services Ltd | Professional & scientific | 2024 |
| Alms Property Services Ltd | Real estate | 2025 |
| Alnor Estates Limited | Real estate | 1966 |
| Aloe Vera Hotel Limited | Hospitality | 2019 |
| Alomedspa Ltd | Other services | 2023 |
| Aloo Desserts Ltd | Hospitality | 2025 |
| Alopay Management Limited | Real estate | 2024 |
| Aloura Entertainment Ltd | Arts & recreation | 2025 |
| Aloush Ltd | Real estate | 2026 |
| Aloysius Productions Ltd | Information & communication | 2024 |
| ALP Agency Limited | Information & communication | 2026 |
| ALP Bold Street Limited | Real estate | 2022 |
| Alpas Media Ltd | Administrative & support | 2020 |
| Alpas Northwest Limited | Real estate | 2026 |
| Alpat Properties Limited | Construction | 2021 |
| Alpcommerce Limited | Wholesale & retail | 2025 |
| Alpeda Properties Limited | Real estate | 2020 |
| Alpha Builders NW Ltd | Construction | 2019 |
| Alpha Cars (Liverpool) Ltd | Transport & logistics | 2005 |
| Alpha Cladding Ltd | Construction | 2015 |
| Alpha Consultancy Services Limited | Information & communication | 2025 |
| Alpha Developments Merseyside Limited | Construction | 2022 |
| Alpha Drivers Ltd | Transport & logistics | 2026 |
| Alpha Energy Solutions Ltd | Construction | 2025 |
| Alpha Fire Protection Ltd | Construction | 2019 |
| Alpha Fortress Security Services Ltd | Administrative & support | 2026 |
| Alpha Haulage Services (NW) Ltd | Transport & logistics | 2025 |
| Alpha Holdings Liverpool Limited | Financial services | 2019 |
| Alpha Holdings North West Limited | Hospitality | 2023 |
| Alpha Investment Liverpool Limited | Real estate | 2024 |
| Alpha Lima Law Ltd | Professional & scientific | 2024 |
| Alpha Ludus Holding Limited | Other services | 2018 |
| Alpha NU Developments Ltd | Construction | 2018 |
| Alpha Polymers Limited | Manufacturing | 1981 |
| Alpha Properties Merseyside Limited | Real estate | 2017 |
| Alpha Properties NW Limited | Real estate | 2026 |
| Alpha RAD Ltd | Health & social care | 2019 |
| Alpha Removal Service Ltd | Transport & logistics | 2021 |
| Alpha Services BR Ltd | Administrative & support | 2025 |
| Alpha Supplements Ltd | Health & social care | 2019 |
| Alpha Taxi Rentals Ltd | Administrative & support | 2009 |
| Alpha Transport Solutions Ltd | Wholesale & retail | 2015 |
| Alpha VET International Ltd | Education | 2003 |
| Alphabet Care Limited | Health & social care | 2025 |
| Alphabet Construction Limited | Construction | 2024 |
| Alphabet Homes Limited | Real estate | 2012 |
| Alphabeta Holdings Limited | Financial services | 2025 |
| Alphagate Assets Ltd | Real estate | 2018 |
| Alphatec 2000 Group Ltd | Manufacturing | 2022 |
| Alphora Ltd | Construction | 2024 |
| Alpine Gardeners Group Ltd | Administrative & support | 2009 |
| Alpine Joinery & Construction Limited | Construction | 2025 |
| Alpine Macro UK Ltd. | Administrative & support | 2018 |