| AV Ice Cream Limited | Wholesale & retail | 2026 |
| Avacardo Gifts Ltd | Wholesale & retail | 2012 |
| Avail Limited | Wholesale & retail | 2021 |
| Avante-Garde Developments Limited | Real estate | 2015 |
| Avanti Telecoms Ltd | Construction | 2019 |
| Avatar Promotions Limited | Professional & scientific | 2025 |
| Avco Audio Visual Limited | Manufacturing | 2009 |
| Avecare Limited | Health & social care | 2017 |
| Avexa IT Solutions Ltd. | Information & communication | 2015 |
| Avian Technology Group Limited | Construction | 2006 |
| Avidity Partners Limited | Professional & scientific | 2019 |
| Avis Consultancy Ltd | Professional & scientific | 2024 |
| Avnoor Singh Ltd | Real estate | 2025 |
| Avoca AV Ltd | Construction | 2026 |
| Avon Court Limited | Households | 2006 |
| Avondale House (Southport) Management Company Limited | Households | 2023 |
| AVT Healthcare Services Ltd | Health & social care | 2024 |
| AW Legal Limited | Professional & scientific | 2025 |
| AW Psychology Ltd | Education | 2023 |
| AW Retailing Direct Limited | Wholesale & retail | 2022 |
| Aw&En Properties Limited | Real estate | 2025 |
| Awall Productions Ltd | Administrative & support | 2016 |
| AX Composites Ltd | Manufacturing | 2025 |
| Axalt Limited | Administrative & support | 2012 |
| Axion Gate Ltd | Hospitality | 2026 |
| Axis Controls (NW) Limited | Manufacturing | 2008 |
| Aynsleyj Limited | Real estate | 2024 |
| Aztec Data Solutions Ltd | Information & communication | 2025 |
| Aztec Media Ltd | Information & communication | 2004 |
| B & B Construction (Formby) Limited | Construction | 2006 |
| B & B Electrical Services Ltd | Construction | 2016 |
| B & P Calton Limited | Real estate | 2006 |
| B Beside the Sea Ltd | Information & communication | 2026 |
| B D R Electrical Design Ltd | Construction | 2011 |
| B F Bell Ltd | Real estate | 2026 |
| B H Consulting Ltd | Information & communication | 2008 |
| B Holman Ltd | Manufacturing | 2024 |
| B R Logistics Ltd | Administrative & support | 2017 |
| B T Local Store Limited | Wholesale & retail | 2017 |
| B&G Flex Ltd | Wholesale & retail | 2022 |
| B. R. & L. Investments Limited | Construction | 1983 |
| B.A.M Property Group Ltd | Real estate | 2024 |
| B.M. Aston & Co. Limited | | 1977 |
| B.M.A. Management Limited | Administrative & support | 2007 |
| B.M.Residence Limited | Real estate | 2021 |
| B1 Real Estate Limited | Real estate | 2017 |
| B1K Sports Limited | Arts & recreation | 2016 |
| Bacchus-Uk Ltd | Wholesale & retail | 2024 |
| Badside Ltd | Wholesale & retail | 2022 |
| Bailey Autumn Developments Ltd | Real estate | 2023 |
| Bailey Cottages Limited | Hospitality | 2014 |
| Bainbridge Steel Ltd | Wholesale & retail | 2020 |
| Bakhu Limited | Wholesale & retail | 2008 |
| Baking Media Ltd | Real estate | 2013 |
| Balanced Property Management Ltd | Real estate | 2025 |
| Ballantyne Services (North West) Limited | Wholesale & retail | 2012 |
| Ballson Services Limited | Construction | 2015 |
| Balmoral Estates Limited | Real estate | 1995 |
| Balmoral Wealth Management Limited | Administrative & support | 2011 |
| Balshaw-Davies Enterprises Ltd | Real estate | 2025 |
| Baltic Supermarket Limited | Wholesale & retail | 2025 |
| Bamcon Ltd | Construction | 2018 |
| Banatyne Managements Ltd | Households | 2025 |
| Banfa Ltd | Health & social care | 2024 |
| Bangladeshi Family Welfare and Advice Centre | Health & social care | 1984 |
| Banks Community and Leisure Centre C.I.C. | Hospitality | 2020 |
| Banner Fire and Security Ltd | Other services | 2012 |
| Bar Humbug (UK) Ltd | Hospitality | 2007 |
| Bar N'Ista Boutique Limited | Hospitality | 2019 |
| Barace Limited | Hospitality | 1987 |
| Barbecue Land Ltd | Hospitality | 2025 |
| Barber Equipment Ltd | Wholesale & retail | 2022 |
| Barford Lion Ltd | Hospitality | 2019 |
| Barkath Foods (U.K.) Limited | Extraterritorial | 1973 |
| Barkdale Limited | Other services | 2009 |
| Barlow Dodd Financial Consultants Ltd | Financial services | 2010 |
| Barnabas Property Management Ltd | Real estate | 2024 |
| Barrel and Vine Ltd | Hospitality | 2025 |
| Barrie's Plaice Fish Chips Ltd | Hospitality | 2024 |
| Barron Financial Solutions Ltd | Financial services | 2001 |
| Barron Fletcher Consulting Limited | Professional & scientific | 2023 |
| Barrons Management Limited | Real estate | 2022 |
| Barset Catering Limited | Professional & scientific | 2026 |
| Barton Engineering Services Ltd | Professional & scientific | 2026 |
| Bath ST Developments Ltd | Hospitality | 2026 |
| Batuu Investments Limited | Administrative & support | 2021 |
| Bavazon Ltd | Transport & logistics | 2025 |
| Bavenham Ltd | Wholesale & retail | 2005 |
| Baxter Baird (Shipping & Transport) Limited | Transport & logistics | 2014 |
| Baxters Contractors Limited | Administrative & support | 1983 |
| Bayints Ltd | Administrative & support | 2020 |
| BBB PFC Ltd | Hospitality | 2018 |
| BBS Company Accountants Limited | Professional & scientific | 2001 |
| BBS Investments Limited | Real estate | 2006 |
| BBS4TAX Ltd | Professional & scientific | 2006 |
| BCL Cost and Construction Consultants Limited | Professional & scientific | 2009 |
| BDP (Southport) Limited | Construction | 2002 |
| Beach MAD Ltd | Construction | 2017 |
| Beach Mews Management Company Limited | Households | 1987 |
| Beach Priory Property Services Ltd | Households | 2025 |