| Austin Marshall Refurbishment Limited | Construction | 2001 |
| Authentically YOU Ltd | Health & social care | 2022 |
| Auto Appraise Ltd | Information & communication | 2026 |
| Autobahn Paintworks Limited | Wholesale & retail | 2012 |
| Avenham Group Ltd | Financial services | 2021 |
| Aviannegreen.Com Limited | Wholesale & retail | 2011 |
| Award Lifting Services Ltd | Construction | 2018 |
| AWS (Corporate Trustee) Limited | Professional & scientific | 2004 |
| AWT Fleetwood Ltd | Wholesale & retail | 2013 |
| Ayne Engineers Limited | Manufacturing | 2002 |
| Ayrtone Holdings Limited | Financial services | 2019 |
| Azolla Biofuels Limited | Professional & scientific | 2022 |
| Azolla Biosystems Ltd | Professional & scientific | 2012 |
| Aztec Property Services Ltd | Real estate | 2025 |
| B E Andrew Limited | Construction | 2019 |
| Bababoo Furniture Ltd | Manufacturing | 2018 |
| Balanced Bookkeeping Limited | Professional & scientific | 2013 |
| Barnfield Manor (Management) Limited | Other services | 1993 |
| Barry Cooke Ltd | Wholesale & retail | 2023 |
| Bartondirect Ltd | Wholesale & retail | 2022 |
| Barvani Limited | Financial services | 2026 |
| Bay View Residents Management Limited | Households | 2005 |
| Bazema Limited | Information & communication | 2026 |
| Beads by Geebs Ltd | Manufacturing | 2023 |
| Beau Face Ltd | Other services | 2024 |
| Beaumont Books Ltd | Wholesale & retail | 2023 |
| Beckcurve Limited | Households | 2010 |
| Beckett Estates Limited | Construction | 2018 |
| Beckett Rawcliffe Limited | Professional & scientific | 2007 |
| Becketts Property Group Ltd | Arts & recreation | 2020 |
| Becks Business Solutions Limited | Administrative & support | 2009 |
| Beloved Property Ltd | Real estate | 2023 |
| BEN Norman Limited | Professional & scientific | 2025 |
| Benson Sign and Graphic Installations Ltd | Other services | 2026 |
| Bespokehp Ltd | Manufacturing | 2024 |
| Beswick Joinery and Building Ltd | Construction | 2026 |
| Beswick Property Group Limited | Real estate | 2026 |
| Beyond the Gate Publishing CIC | Information & communication | 2020 |
| BG Ductwork Ltd | Construction | 2025 |
| Bibby Electrical Services Limited | Construction | 2017 |
| Big Box Digital Media Ltd | Information & communication | 2007 |
| Big Field Limited | Real estate | 2022 |
| Biketreks Grizedale Ltd | Wholesale & retail | 2019 |
| Bill Whiston Carpets and Flooring Ltd | Wholesale & retail | 2017 |
| BIR Reclamation Ltd | Wholesale & retail | 2025 |
| Bispham Court Management Co. Ltd | Hospitality | 1989 |
| BIT of Background Ltd | Wholesale & retail | 2021 |
| Biviano's Ltd | Hospitality | 2019 |
| BL Huyton Ltd | Health & social care | 2016 |
| Black Star Assessments Limited | Other services | 2020 |
| Black-H Holding Limited | Real estate | 2025 |
| Blackpool Industrial (Roofing) Limited | Construction | 1973 |
| Bleuet Textiles Limited | Real estate | 2018 |
| Blossoms Care NW Ltd | Health & social care | 2015 |
| BLU Reign Limited | Professional & scientific | 2026 |
| Blue Horizon Group Ltd | Real estate | 2018 |
| Bluebird Consultants Limited | Professional & scientific | 2010 |
| Blueprint Property Solutions Limited | Real estate | 2021 |
| BN & MH Properties Ltd | Real estate | 2026 |
| Bollo Ltd | Education | 2008 |
| Bonaldo TK Ltd | Wholesale & retail | 2023 |
| Bone Club Ltd | Manufacturing | 2024 |
| Bonura Holdings Limited | Financial services | 2026 |
| Bonura Residences Limited | Real estate | 2026 |
| Borec Ltd | Wholesale & retail | 2026 |
| Borough SAS Services Ltd | Information & communication | 2012 |
| Borrelli Ltd | Health & social care | 2022 |
| Bowseshillfarm Ltd | Hospitality | 2021 |
| Boyd Construction (NW) Ltd | Construction | 2026 |
| BP25 Distributions Ltd | Wholesale & retail | 2026 |
| Bpre Limited | Real estate | 2024 |
| Bradley Recruitment Solutions Ltd | Administrative & support | 2026 |
| Bradshaws Quality Travel Ltd | Transport & logistics | 2020 |
| Brak (NW) Ltd | Hospitality | 2026 |
| Brands Scaffolding Lancashire Ltd | Construction | 2017 |
| Brands Scaffolding Ltd | Construction | 2018 |
| Bravo KAY Ltd | Real estate | 2024 |
| Brbo & Co Limited | Wholesale & retail | 2024 |
| Brickhouse Franchise Ltd | Administrative & support | 2018 |
| Bridge for Finance Limited | Financial services | 2025 |
| Brightdaily Limited | Manufacturing | 1991 |
| Broader Horizons Coaching, Mentoring and Training Ltd | Professional & scientific | 2023 |
| Bruce Properties (NW) Limited | Real estate | 2020 |
| BTD Marketing Ltd | Professional & scientific | 2024 |
| Buckley Homes Ltd | Real estate | 2021 |
| Building Spatial Intelligence Limited | Education | 2024 |
| Bujak Research International Limited | Professional & scientific | 2023 |
| Bullion Investments & Acquisitions Limited | Water & waste | 2009 |
| Burton Oceanics Ltd | Professional & scientific | 2024 |
| Business Cost Recovery Limited | Professional & scientific | 2022 |
| Business Solutions & Delivery Ltd | Information & communication | 2015 |
| C Manson Construction Ltd | Construction | 2018 |
| C S Motorcycles Ltd | Wholesale & retail | 2015 |
| C S Property Development Limited | Construction | 2025 |
| C&M Properties Blackpool Ltd | Real estate | 2025 |
| C.G.H. Contracts Limited | Professional & scientific | 2018 |
| C.T. Pedley Limited | Wholesale & retail | 1964 |
| C140 Catering Ltd | Hospitality | 2024 |
| Cadabra Enterprise Holdings Limited | Professional & scientific | 2024 |
| Cadabra Enterprise Limited | Wholesale & retail | 2024 |