| BVD Investments Limited | Financial services | 2021 |
| BVD Properties Limited | Real estate | 2023 |
| Bvmremoval Limited | Transport & logistics | 2025 |
| BW Autohaus Ltd | Wholesale & retail | 2025 |
| BW Commerce Ltd | Wholesale & retail | 2025 |
| BW Green Energy Research Ltd | Professional & scientific | 2010 |
| BWA Health & Care Services Ltd | Health & social care | 2006 |
| BWA Lettings Ltd | Real estate | 2026 |
| BWH IT Consulting Limited | Information & communication | 2016 |
| Bwkc Limited | Real estate | 2019 |
| BWR Properties Ltd | Real estate | 2026 |
| BXI6 Limited | Extraterritorial | 2012 |
| BXN Electrical Ltd | Construction | 2021 |
| BY EM Ltd | Wholesale & retail | 2025 |
| BY Jessica Morris Ltd | Other services | 2025 |
| BY ME Ltd | Transport & logistics | 2019 |
| BY Milly Co. Ltd | Wholesale & retail | 2020 |
| BY the Grace Care Limited | Health & social care | 2013 |
| Bybellsfitnessstudios Ltd | Arts & recreation | 2026 |
| Bybros Trading Limited | Wholesale & retail | 2025 |
| Bygate Manufacturing & Quality Solutions Ltd | Professional & scientific | 2014 |
| Byjosh Ltd | Wholesale & retail | 2026 |
| Byluxe Ltd | Wholesale & retail | 2023 |
| Bym-Digival Limited | Professional & scientific | 2014 |
| Byrne Consulting Services Ltd | Professional & scientific | 2025 |
| Byrne Family Property Investments Limited | Real estate | 2023 |
| Byron Homes (Developments) Ltd | Professional & scientific | 2006 |
| Byron Sentral Investments Limited | Real estate | 2020 |
| Bytespark Solutions Ltd | Information & communication | 2023 |
| BZ Astra Holdings Limited | Financial services | 2018 |
| BZ Midlands Limited | Hospitality | 2025 |
| C & B Holdings Ltd | Financial services | 2025 |
| C & B Property Solutions Ltd | Real estate | 2020 |
| C & C Couriers Ltd | Other services | 2017 |
| C & C Inventories Limited | Real estate | 2020 |
| C & C Stays Ltd | Real estate | 2022 |
| C & D Hydraulics Limited | Manufacturing | 2002 |
| C & H Laundry Services Limited | Other services | 2004 |
| C & J Holiday Lets Ltd | Hospitality | 2020 |
| C & J Vineyards Ltd | Hospitality | 2023 |
| C & M Property Limited | Real estate | 2007 |
| C & N Lewis Holdings UK Ltd | Real estate | 2017 |
| C & N Lewis Properties Ltd | Real estate | 2017 |
| C & N Property Limited | Real estate | 1998 |
| C & P Medical Trading Limited | Wholesale & retail | 1998 |
| C & T Restaurants Limited | Hospitality | 2000 |
| C a Littlejohn Limited | Administrative & support | 2003 |
| C a Properties Derbyshire Ltd | Real estate | 2014 |
| C and E Property Group Ltd | Real estate | 2025 |
| C and H Travel Limited | Professional & scientific | 2006 |
| C B Electrical (Derby) Limited | Construction | 2017 |
| C D S Supplies Limited | Transport & logistics | 1992 |
| C D Timms Imaging Ltd | Real estate | 2024 |
| C Drake Consultancy Services Limited | Professional & scientific | 2018 |
| C E Barker Travel Limited | Administrative & support | 2021 |
| C G H Transport Ltd | Transport & logistics | 2017 |
| C G K Medical Services Limited | Health & social care | 2011 |
| C Greatorex Building Services Limited | Construction | 2010 |
| C I M Associates UK Limited | Professional & scientific | 2009 |
| C J Challoner Cleaning Ltd | Administrative & support | 2021 |
| C J Goodwin Limited | Construction | 2004 |
| C J Harrison Ventures Limited | Real estate | 2015 |
| C J Tomkins Ltd | Construction | 2023 |
| C K Groundworks & Drainage Ltd | Construction | 2011 |
| C M B Ashton Limited | Financial services | 2004 |
| C Macro Consultancy Ltd | Professional & scientific | 2023 |
| C Miller & Sons Limited | Construction | 2005 |
| C N L Property Limited | Real estate | 2021 |
| C R T Carers Uttoxeter Limited | Health & social care | 2023 |
| C Rose Media Ltd | Professional & scientific | 2025 |
| C S J Construction Ltd | Construction | 2009 |
| C S Regulatory Ltd | Professional & scientific | 2008 |
| C S Vehicle Services Ltd | Wholesale & retail | 2019 |
| C Stand Ltd | Wholesale & retail | 2023 |
| C T Structural Consultants Limited | Construction | 2014 |
| C the Lite Limited | Construction | 2008 |
| C the Lite Property Limited | Extraterritorial | 2016 |
| C W Coffee Ltd | Hospitality | 2021 |
| C Wilton Ltd | Construction | 2025 |
| C&A Decorators Ltd | Construction | 2016 |
| C&C Magazines Limited | Information & communication | 2008 |
| C&D Electrical Services Ltd | Construction | 2020 |
| C&F E Plant and Civils Ltd | Administrative & support | 2023 |
| C&P Medical Holdings Limited | Financial services | 2025 |
| C&P Motorbike Garage Ltd | Wholesale & retail | 2025 |
| C&S Decorators Limited | Construction | 2018 |
| C&S Wilson Holdings Ltd | Real estate | 2023 |
| C-Mac Utilities Limited | Construction | 2025 |
| C-Suite Chauffeurs Ltd | Transport & logistics | 2025 |
| C. Smith (Derby) Ltd | Other services | 2013 |
| C.A.N Site Services Ltd | Construction | 2017 |
| C.A.S.T. Trust | Information & communication | 2000 |
| C.D. Curtain Contracts Ltd | Wholesale & retail | 1986 |
| C.D. Floor Coverings Limited | Wholesale & retail | 2009 |
| C.D. Northern Limited | Wholesale & retail | 1976 |
| C.E. Technologies Limited | Professional & scientific | 2003 |
| C.H.B Conveyancer Limited | Professional & scientific | 2023 |
| C.Howitt Ltd | Manufacturing | 2023 |
| C.J. Masi Joinery Ltd | Construction | 2013 |
| C.Okoye Limited | Administrative & support | 2025 |