| Avvisual Ltd | Professional & scientific | 2024 |
| AW Clark Contracting Ltd | Construction | 2025 |
| Awake Properties Limited | Real estate | 2019 |
| AWC Joinery Ltd | Construction | 2021 |
| AWC Lettings Ltd | Real estate | 2024 |
| Aweni’S Flavours Limited | Hospitality | 2026 |
| AWS Plumbing & Heating Ltd | Construction | 2002 |
| Awst Media Limited | Professional & scientific | 2024 |
| Axiom Utilities Ltd | Administrative & support | 2015 |
| Axion IT Pro Ltd | Information & communication | 2025 |
| Axon Tech Limited | Wholesale & retail | 2026 |
| Ayaz Yachting Limited | Extraterritorial | 2025 |
| Ayero Ltd | Information & communication | 2018 |
| Aylesbury Care Group Limited | Health & social care | 2017 |
| Ayrtone Ltd | Professional & scientific | 2002 |
| Ayurva Academy Limited | Education | 2024 |
| Azat Mard Limited | Professional & scientific | 2025 |
| Aztec Groundworks (UK) CIC | Information & communication | 2026 |
| Azura Hospitality Group Ltd | Extraterritorial | 2022 |
| Azure Heating & Plumbing Limited | Construction | 2016 |
| B & C Joinery NW Ltd | Construction | 2025 |
| B & L Squires Ltd | Arts & recreation | 2025 |
| B & R Super Store Ltd | Wholesale & retail | 2021 |
| B Beasley Electrical Limited | Construction | 2018 |
| B J Inns Ltd | Hospitality | 2015 |
| B Nuts Limited | Arts & recreation | 2018 |
| B&B Runway Guesthouse Blackpool Ltd | Hospitality | 2025 |
| B&C Joinery Ltd | Construction | 2023 |
| B&D Hospitality Ltd | Hospitality | 2025 |
| B&G Balaban Ltd | Other services | 2025 |
| B.P. Electrical N.W. Limited | Construction | 2006 |
| B1 Barber Blackpool Limited | Other services | 2025 |
| BA Pharm Limited | Professional & scientific | 2021 |
| Baba & Cati Limited | Hospitality | 2014 |
| Baba Blackpool UK Limited | Real estate | 2022 |
| Babo Blackpool Ltd | Hospitality | 2026 |
| Baby Sheep Studios Ltd | Professional & scientific | 2026 |
| Babybamba Ltd | Wholesale & retail | 2019 |
| Babylon (Northwest) Ltd | Hospitality | 2020 |
| Back Yard Bars Ltd | Hospitality | 2021 |
| Backstage Bars Ltd | Hospitality | 2022 |
| Backstage Ltd | Hospitality | 2025 |
| Backyard Bistro Bar Limited | Hospitality | 2021 |
| Backyard Burgers Takeaway Limited | Hospitality | 2021 |
| Baddracun Ltd | Transport & logistics | 2019 |
| Badenhorst Lettings Limited | Real estate | 2021 |
| Badge & BEC Ltd | Real estate | 2024 |
| Badgermike Ltd | Information & communication | 2025 |
| Badgers Grove Management Company Limited | Households | 1984 |
| BAG a Bargain Auctions Limited | Wholesale & retail | 2024 |
| Bailey Developments Limited | Construction | 2018 |
| Baileys Bar Blackpool Limited | Hospitality | 2023 |
| Bailie Estates Limited | Real estate | 2024 |
| Bailie Hotel Management Limited | Hospitality | 2024 |
| Bakery END Fornety Ltd | Manufacturing | 2025 |
| Balas and Warner Limited | Hospitality | 2024 |
| Baldock Consultancy Limited | Professional & scientific | 2007 |
| Ballam Oaks Management Co Limited | Households | 2016 |
| Ballantine Bespoke Tiling Ltd | Construction | 2024 |
| Ballers Blackpool Ltd | Arts & recreation | 2024 |
| Ballers S B Ltd | Arts & recreation | 2025 |
| Balliamo Dance School Ltd | Arts & recreation | 2025 |
| Ballinard Properties Ltd | Real estate | 2011 |
| Balmoral Boarding Kennels and Cattery Ltd | Other services | 2013 |
| Balmoral Day Care and Grooming Services Ltd | Other services | 2017 |
| Baloardja Ltd | Wholesale & retail | 2025 |
| Balthane Estates Limited | Real estate | 2017 |
| Bamber Schofield Services Ltd | Real estate | 2017 |
| Banbridge Community Regeneration Ltd | Wholesale & retail | 2025 |
| Bankfield Court Management Company Limited | Households | 1992 |
| Banner World Ltd | Professional & scientific | 2012 |
| Bannerworld.Co.Uk Ltd | Professional & scientific | 2019 |
| Bar B Q & Grill Limited | Administrative & support | 2023 |
| Bar Diagnostics & Engine Centre LLP | | 2025 |
| Barcadia Business Services Ltd | Professional & scientific | 2020 |
| Barcadia Media Limited | Information & communication | 2009 |
| Barclay Hamilton Freehold Ltd | Households | 2020 |
| Barclay Hamilton Limited | Real estate | 2013 |
| Barclay Workforce Solutions Ltd | Administrative & support | 2026 |
| Barco Amber Limited | Extraterritorial | 2019 |
| Barcs Play Limited | Other services | 2025 |
| Bargain Booze Fleetwood Limited | Wholesale & retail | 2019 |
| Barker Booth & Eastwood Limited | Professional & scientific | 2010 |
| Barker Developments Limited | Administrative & support | 2007 |
| Barkley Corporation Limited | Financial services | 2018 |
| Barkworth Actuarial Limited | Financial services | 2018 |
| Barmart Blackpool Limited | Real estate | 2016 |
| Barnard Commercial Solutions Limited | Professional & scientific | 2014 |
| Barnes (N/E) Electrical Ltd | Manufacturing | 2021 |
| Barnfield PLF Limited | Financial services | 2020 |
| Barrett Brooke Developments Ltd | Real estate | 2021 |
| Barsbank Limited | Information & communication | 2000 |
| Barton Shaw Consulting Limited | Administrative & support | 2019 |
| Barview Logistics Ltd | Wholesale & retail | 2025 |
| Basenex Limited | Information & communication | 2026 |
| Bash Parties & Events Ltd | Arts & recreation | 2019 |
| Basil Garden Ltd | Hospitality | 2024 |
| Bathrooms Direct (Yorkshire) Limited | Wholesale & retail | 1994 |
| Bathrooms Direct Goole Ltd | Wholesale & retail | 2019 |
| Battle Shop Ltd | Wholesale & retail | 2025 |