| BPB Investments Overseas Limited | Professional & scientific | 2002 |
| BPB Limited | Professional & scientific | 1917 |
| Bradbury Developments (Charnwood) Ltd. | Real estate | 2003 |
| Bradgate Dental Equipment Limited | Health & social care | 2002 |
| Bradgate Mews (Ratby) Management Company Limited | Households | 2004 |
| Bradson Contracts Limited | Wholesale & retail | 1990 |
| Bramble Foods Group Limited | Professional & scientific | 2020 |
| Brand New Design and Marketing Limited | Professional & scientific | 2002 |
| Braunston House Limited | Construction | 2003 |
| Braunstone Adventure Playground | Arts & recreation | 2005 |
| Brayden Kane Limited | Real estate | 2004 |
| Brickyard Farm East Limited | Real estate | 2026 |
| Brickyard Farm West Limited | Real estate | 2026 |
| Bright Heroes Bidco Limited | Financial services | 2025 |
| Bright Heroes Holdco Limited | Financial services | 2025 |
| Bright Heroes Midco Limited | Financial services | 2025 |
| Bright Heroes Topco Limited | Financial services | 2025 |
| Brightmore & Sons (Burbage) Limited | Wholesale & retail | 1960 |
| British Gypsum Limited | Extraterritorial | 1925 |
| Broch Holdings Limited | Professional & scientific | 1995 |
| Brockhurst Davies Limited | Professional & scientific | 2004 |
| Brook (Leicester) Limited | Wholesale & retail | 2012 |
| Brookfields Management (Market Harborough) Limited | Households | 1998 |
| Bros Five Limited | Manufacturing | 2001 |
| Brown and Shaw (Builders) Limited | Construction | 1976 |
| BRP Holdings Limited | Professional & scientific | 2011 |
| Bruntingthorpe Logistics Limited | Transport & logistics | 2016 |
| Brush Electrical Engineering Company Limited | Professional & scientific | 1951 |
| Brush Group Bidco Limited | Financial services | 2025 |
| Brush Group Midco 2 Limited | Financial services | 2025 |
| Brush Group Midco 3 Limited | Financial services | 2025 |
| Brush Group Midco 4 Limited | Financial services | 2025 |
| Brush Power Networks Limited | Financial services | 2022 |
| Brush Switchgear Limited | Professional & scientific | 1935 |
| BSN Nursery Management Limited | Health & social care | 2001 |
| Build Clear Limited | Construction | 2025 |
| Building & Maintenance Services Limited | Construction | 1993 |
| Buildmart Ltd | Real estate | 2003 |
| Buildscape Direct Ltd | Wholesale & retail | 2023 |
| Burbage Hire Centre Limited | Administrative & support | 2003 |
| Burgess Industrial Silencing Limited | Extraterritorial | 2004 |
| Burton Fields Farming Ltd | Agriculture & fishing | 1976 |
| Bushwell Farm Ltd | Agriculture & fishing | 2004 |
| Button & Ball Building Contractors Limited | Construction | 2007 |
| Buxton Textiles Limited | Wholesale & retail | 2007 |
| C Gascoigne Ltd | Construction | 2006 |
| C S B Properties Ltd | Real estate | 2007 |
| C. Four Ltd. | Information & communication | 1995 |
| C.D.Investments (UK) Limited | Construction | 1993 |
| C.J.S. Technology Ltd | Manufacturing | 2003 |
| C.S. Construction Limited | Construction | 1996 |
| C.S.- Image (Simplifile) Limited | Information & communication | 1994 |
| C.T.Motors Ltd | Other services | 2002 |
| C9 Ltd | Professional & scientific | 2005 |
| Cadigraph Limited | Professional & scientific | 1998 |
| Cakesmiles.Com Limited | Manufacturing | 2004 |
| Calipro Software Ltd | Information & communication | 2015 |
| Callchange Limited | Real estate | 1999 |
| Cameron Forest and Garden Limited | Agriculture & fishing | 2002 |
| Capa J Partnership | | 1994 |
| Capeling Landscape Design Ltd | Administrative & support | 2021 |
| Caprisco Ltd | Construction | 2023 |
| Capsticks Capital Investments LP | | 2012 |
| Careline Alarms Ltd | Administrative & support | 2013 |
| Carisbrooke Garden Ltd | Real estate | 2021 |
| Carpet Storrs Limited | Wholesale & retail | 2024 |
| Cartwright Consultancy Services Limited | Information & communication | 1997 |
| Castle Veterinary Centre Limited | Professional & scientific | 2003 |
| Castlestone Developments Limited | Construction | 2009 |
| Cat Copy Creative Ltd | Information & communication | 2017 |
| Catalyst Consultancy (UK) Limited | Professional & scientific | 2001 |
| Catsandboots Ltd | Administrative & support | 2021 |
| Cavalier Bathrooms Limited | Extraterritorial | 2012 |
| Cavendish Hardware Ltd | Administrative & support | 2000 |
| Cedar House (Ashbourne) Limited | Construction | 2004 |
| Cefa Control Services Limited | Construction | 1997 |
| Cellula 1 Communications Limited | Financial services | 2000 |
| Celotex Limited | Professional & scientific | 1987 |
| Central Electrical Services (Hinckley) Limited | Construction | 1998 |
| Centre for Indian Classical Dance | Arts & recreation | 1997 |
| CH by Calum Ltd | Wholesale & retail | 2018 |
| CH4 Plumbing & Heating Limited | Construction | 2007 |
| Chakrabond 786 Limited | Professional & scientific | 2019 |
| Chalkboard Projects Limited | Real estate | 2025 |
| Chambers Packaging Limited | Extraterritorial | 1948 |
| Chandler and Dickman (Farms) Limited | Agriculture & fishing | 1954 |
| Chapman & Bradshaw Industrial Supplies Limited | Wholesale & retail | 2002 |
| Charlie Brown Steel Holdings Ltd | Financial services | 2023 |
| Charlie Dewey Consulting Ltd | Financial services | 2025 |
| Charlottes Beauty Salon Limited | Other services | 2003 |
| Charnwood Car Company Limited | Professional & scientific | 1980 |
| Charnwood Cooling Systems Limited | Construction | 2000 |
| Charnwood Pharma Support Limited | Professional & scientific | 2011 |
| Charnwood Promotions Limited | Wholesale & retail | 2002 |
| Chatoo (Loughborough) Limited | Professional & scientific | 2001 |
| Chimenya Ltd | Health & social care | 2012 |
| Chris Bennett the Barber Ltd | Other services | 2006 |
| Chris Brown Limited | Construction | 2004 |
| Circular Property Limited | Real estate | 2022 |
| City Centre Mot's Limited | Wholesale & retail | 2004 |