| Bishop & Partners Limited | Professional & scientific | 2002 |
| Bishopsrock Investments Limited | Real estate | 2007 |
| BJM Ltd. | Wholesale & retail | 2002 |
| Blackburn Forklifts Limited | | 1983 |
| Blackburn With Darwen Healthy Living | Health & social care | 2007 |
| Blackpool Catering Equipment Ltd | Administrative & support | 2006 |
| Blackpool Physiotherapy Centre Limited | Health & social care | 2004 |
| Blackpool Tyre and MOT Centre Ltd | Wholesale & retail | 2022 |
| Blackton Limited | Professional & scientific | 1999 |
| Blair E.M.R. Limited | Manufacturing | 1992 |
| Blink-Photo Limited | Professional & scientific | 2006 |
| Blisworth Webster Ltd | Wholesale & retail | 2025 |
| Blonde Pilot Limited | Arts & recreation | 2001 |
| Bloomingcapital Limited | Professional & scientific | 1998 |
| Blue FOX Personal & Professional Development Ltd | Other services | 2022 |
| Blue Nile Marine Ltd. | Extraterritorial | 2015 |
| Blueberry JAM Limited | Arts & recreation | 2007 |
| Blufin Limited | Manufacturing | 2004 |
| Blundell's Pharmacy Limited | Wholesale & retail | 2002 |
| BMB Plastics Machinery Ltd | Administrative & support | 2004 |
| BMS Vision Limited | Manufacturing | 1980 |
| Boardman Transport Limited | Transport & logistics | 2025 |
| Bodies in Motion (Pendle) Ltd. | Education | 2005 |
| Bolton Community and Voluntary Services | Health & social care | 1991 |
| Bolton Road Carpet & Flooring Limited | Wholesale & retail | 2003 |
| Boothman Stewart Limited | Real estate | 2002 |
| Border Aggregates Limited | Extraterritorial | 1992 |
| Boro Candlewick Textiles Limited | Manufacturing | 1962 |
| Bosh Media Marketing Ltd | Information & communication | 2024 |
| Boundary Garage (Bury) Limited | Wholesale & retail | 1982 |
| Bowker Mechanical Services Limited | Construction | 2003 |
| Bowland (Holdings) Limited | Professional & scientific | 2007 |
| Bowland Group Limited | Financial services | 2002 |
| Bowland Water Coolers Ltd | Administrative & support | 2003 |
| Boxtree Motors Limited | Wholesale & retail | 2005 |
| BPC Flooring Contractors Limited | Construction | 2003 |
| Brad Cheshire Limited | | 2008 |
| Bradford House Investments Limited | Construction | 1985 |
| Bradley Associates Leisure Limited | Other services | 2000 |
| Brakeparts Ltd | Extraterritorial | 2006 |
| Brakes International Limited | Wholesale & retail | 1990 |
| Brambles Residents Association Limited(The) | Households | 1985 |
| Bremtech Limited | Extraterritorial | 2001 |
| Brennan Propco Limited | Professional & scientific | 2017 |
| Brent Carter Limited | Agriculture & fishing | 2002 |
| Brewserve Limited | Transport & logistics | 1999 |
| Brian Booth Textiles | | 1999 |
| Brian Hulme Construction Limited | Construction | 2004 |
| Briars Hall Limited | Hospitality | 2003 |
| Bridge Air Control Systems Ltd | Manufacturing | 2005 |
| Bridge House Management Company (Lytham) Limited | Households | 1993 |
| Bridge Warehousing Limited | Financial services | 2021 |
| Bridgnorth Optical Ltd | Health & social care | 2016 |
| Brightwise Properties Limited | Real estate | 2007 |
| Briskoda Limited | Extraterritorial | 2006 |
| British HAJ Travel Limited | Transport & logistics | 2001 |
| Broadfield Care Services Ltd | Health & social care | 2006 |
| Bronz-Glow UK Ltd. | Manufacturing | 2003 |
| Brookhouse Aerospace Limited | Manufacturing | 1985 |
| Brooks Jones Roofing Limited | Construction | 2007 |
| Brooks' Gift Stores Limited | Wholesale & retail | 1957 |
| Brown COW Tanning Salon Ltd | Other services | 2006 |
| Brownthwaite Hardy Plants Limited | Wholesale & retail | 2002 |
| Brunlea Installations Limited | Construction | 2005 |
| Bryn Mccabe Limited | Construction | 2008 |
| Building Product Resources Limited | Manufacturing | 1974 |
| Bukhari & Co Solicitors Limited | Professional & scientific | 2005 |
| Buksh Property Group Ltd | Real estate | 2024 |
| Bull & Royal (Preston) Limited(The) | Hospitality | 1977 |
| Bumpers UK Limited | Wholesale & retail | 2003 |
| Burak Investments Limited | Real estate | 2021 |
| Burlington Red Ltd | Wholesale & retail | 2025 |
| Burnden Engineering Consultancy Ltd | Professional & scientific | 2007 |
| Burnham Court Residents' Association (Morecambe) Limited | Households | 1980 |
| Burning Desires Limited | Wholesale & retail | 1999 |
| Burnley Alarm Systems Limited | Administrative & support | 2002 |
| Burnley and Pendle Housing Agency Limited | Real estate | 2001 |
| Burnley Football & Athletic Company,Limited(The) | Arts & recreation | 1897 |
| Burnley Plumbing Supplies Limited | Wholesale & retail | 2006 |
| Burns Animal Foods Limited | Manufacturing | 2003 |
| Burrow Humphreys Limited | Financial services | 1997 |
| Bury Academy of Performing Arts Ltd | Arts & recreation | 2005 |
| Bury BED Centre Limited | Wholesale & retail | 2000 |
| Bury Metal Polishing Limited | Professional & scientific | 1994 |
| Bury Shopmobility | Other services | 2004 |
| Business Risk Management Limited | Professional & scientific | 1999 |
| Business Space Solutions Limited | Real estate | 2005 |
| Busy BEE (Fleetwood) Limited | Health & social care | 2006 |
| Butchers Supplies Limited | Wholesale & retail | 2000 |
| Buy - a - Bike Limited | Extraterritorial | 1995 |
| Byron Burns Ltd | Wholesale & retail | 2025 |
| Byron Leisure Limited | Arts & recreation | 2002 |
| C & F Fabrications Limited | Administrative & support | 2002 |
| C & J Commercials Limited | Wholesale & retail | 2003 |
| C & R Walne (Engravers) Limited | Manufacturing | 2003 |
| C & S Coaches (Pendle) Limited | Transport & logistics | 2003 |
| C E Consultancy Limited | Professional & scientific | 2007 |
| C H Plastering Services Ltd | Construction | 2005 |
| C I Dickinson Plastering Limited | Construction | 2003 |
| C M Hairdressing Limited | Other services | 2002 |