| Big Life Coaching Limited | Professional & scientific | 2020 |
| Big Life Consulting Limited | Education | 2019 |
| Big Life Solutions Limited | Professional & scientific | 2021 |
| Big Life Training Limited | Professional & scientific | 2020 |
| Bigfoot Renovations Ltd | Construction | 2024 |
| Bigjump Limited | Information & communication | 2004 |
| Bill Goodall Ltd | Professional & scientific | 2013 |
| Billys BARBER1 Ltd | Other services | 2025 |
| Billys BARBER2 Ltd | Other services | 2026 |
| BIN Boxer Ltd | Administrative & support | 2018 |
| Bio-Systems Europe Limited | Manufacturing | 1995 |
| Bioaxxess Ltd | Professional & scientific | 2003 |
| Bioponics Ltd | Manufacturing | 2021 |
| Birchend Storage Ltd | Transport & logistics | 2025 |
| Birchwood House Management Limited | Households | 1986 |
| Bjad Ltd | Real estate | 2018 |
| BK Grove Limited | Real estate | 2021 |
| BK Heating Limited | Construction | 2011 |
| BKD Homes Limited | Real estate | 2019 |
| Black Dog Build Ltd | Construction | 2022 |
| Black Pear Communications Ltd | Professional & scientific | 2022 |
| Black Pear Energy Limited | Professional & scientific | 2016 |
| Black Pear Investments Limited | Real estate | 2017 |
| Black Pepper (Ledbury) Limited | Hospitality | 2006 |
| Blackberry Briar Limited | Agriculture & fishing | 2025 |
| Blackbird at Home Limited | Wholesale & retail | 2020 |
| Blackminster Quarry Limited | Real estate | 2014 |
| Blackmore Park Limited | Agriculture & fishing | 1998 |
| Blackthorn Mews Flats Management Limited | Households | 1985 |
| Blazin Chicken Ltd | Hospitality | 2026 |
| Bliss Cleaning Services (Ledbury) Limited | Administrative & support | 2014 |
| Blockmark Technologies Ltd | Information & communication | 2017 |
| Blooms Sandwiches Ltd | Hospitality | 2023 |
| Bloomsbury Limited | Financial services | 2005 |
| Blue FOX Holdings Limited | Public administration | 2025 |
| Blue Socks Aviation Limited | Administrative & support | 2018 |
| Blythe Property Developments Limited | Real estate | 2017 |
| Bmps Limited | Professional & scientific | 2002 |
| Boat and Safety Services Ltd | Transport & logistics | 2015 |
| Body Logical Limited | Health & social care | 2005 |
| Body Volume Index Limited | Information & communication | 2007 |
| Boffy Arts Markets Limited | Administrative & support | 2016 |
| Boilers to Bathrooms Limited | Construction | 2022 |
| Bolt on Brain Ltd | Professional & scientific | 2007 |
| Book Drive Ltd | Information & communication | 2022 |
| Booth Enterprises Limited | Information & communication | 2012 |
| Boozeroo Ltd | Transport & logistics | 2025 |
| Bosbury Lodge Management Limited | Households | 2005 |
| Bossman's Retail Malvern Ltd | Wholesale & retail | 2023 |
| Bossman's Retail Moatway Ltd | Wholesale & retail | 2023 |
| Bossmandeals Ltd | Wholesale & retail | 2025 |
| Bottle and Board Ltd | Hospitality | 2015 |
| Boundless Outdoors Ltd | Education | 2013 |
| Bourne & Bourne Ltd | Professional & scientific | 2010 |
| Bourne Advisory Ltd | Professional & scientific | 2025 |
| Bourne Edge (NO 1) Management Company Limited | Households | 1990 |
| BOW Media Limited | Information & communication | 2019 |
| Bower T1976 Limited | Professional & scientific | 2004 |
| Box Clever Seating Company Limited | Administrative & support | 2011 |
| Bracken House Malvern (RTM) Limited | Households | 2006 |
| Brain Logic Ltd | Information & communication | 2017 |
| Brandrefinery UK Limited | Professional & scientific | 2012 |
| Branz Ltd | Wholesale & retail | 2024 |
| Bravo Childrens Therapy Ltd | Health & social care | 2018 |
| Brays Building Ltd | Real estate | 2020 |
| Breatheazy Limited | Professional & scientific | 2003 |
| Bredon Court (Broadway) RTM Company Limited | Households | 2022 |
| Bredon View Consulting Limited | Professional & scientific | 2024 |
| Bridal by Limited | Other services | 2026 |
| Bridge the GAP Malvern Limited | Education | 2021 |
| Brighter Futures UK Ltd | Education | 2007 |
| Brightway Studio Ltd | Information & communication | 2025 |
| Brilliant Inks Limited | Wholesale & retail | 2010 |
| Brinwell Limited | Extraterritorial | 2001 |
| Britannia Business Centre Management Company Limited | Other services | 2006 |
| Britannia Shred Ltd | Transport & logistics | 2011 |
| British Heritage Sheep | Other services | 2020 |
| Broadlands Technology Solutions Limited | Information & communication | 2023 |
| Bromelias Associates Limited | Professional & scientific | 2016 |
| Bromyard Pride C.I.C. | Arts & recreation | 2024 |
| Brookleaze Limited | Households | 1973 |
| Brothers Brickwork Ltd | Construction | 2015 |
| Brougham House Management Limited | Real estate | 2004 |
| Brown Fisher Environmental LLP | | 2009 |
| Brpd Ltd | Professional & scientific | 2026 |
| Bruce Greetham Classic Benz Limited | Wholesale & retail | 2024 |
| Brumwell Cownley Limited | Information & communication | 2010 |
| Bryer Consulting Ltd | Administrative & support | 2005 |
| BRZ Ltd | Administrative & support | 2024 |
| BSH Holdings UK Limited | Manufacturing | 2019 |
| BTR Associates Ltd | Wholesale & retail | 2004 |
| Buckman Finance Associates Limited | Professional & scientific | 2011 |
| Bugle Property Limited | Real estate | 2014 |
| Building Stuff Limited | Wholesale & retail | 2018 |
| BUM Works Limited | Agriculture & fishing | 2024 |
| Burdett-Smith Associates Limited | Professional & scientific | 2010 |
| Burning Heart Pro Wrestling Limited | Arts & recreation | 2024 |
| Burwell Church Ltd | Real estate | 2024 |
| Butller Limited | Wholesale & retail | 2025 |
| BWH GH Ltd | Hospitality | 2024 |