| D & R Property Management Limited | Real estate | 2025 |
| D & S Communications Limited | Information & communication | 2010 |
| D & S Design and Build Ltd | Construction | 2019 |
| D & T Academy Limited | Arts & recreation | 2017 |
| D & T Racing Ltd | Arts & recreation | 2022 |
| D 3 D Limited | Professional & scientific | 1999 |
| D and B Automotive Limited | Wholesale & retail | 2018 |
| D and G Property Ltd | Real estate | 2023 |
| D and J Bristol Ltd | Real estate | 2024 |
| D and M Autos Limited | Wholesale & retail | 2025 |
| D B & a Gillard Limited | Real estate | 2019 |
| D B Plant & Lifting Limited | Administrative & support | 2003 |
| D B Sports Cars Ltd | Extraterritorial | 2011 |
| D C Devon Composite Limited | Manufacturing | 2022 |
| D C G Designs Limited | Professional & scientific | 1998 |
| D C Marketing and Consultancy Services Limited | Professional & scientific | 2017 |
| D C Projects and Property Management Company Limited | Construction | 2020 |
| D C Property Services Ltd | Real estate | 2021 |
| D C Welders Limited | Manufacturing | 2019 |
| D Collin Financial Solutions Ltd | Financial services | 2015 |
| D DOT Drylining Limited | Construction | 2020 |
| D DOT Property Ltd | Real estate | 2026 |
| D E Price Plastering Limited | Construction | 2017 |
| D G C Bathroom Showrooms Limited | Construction | 2005 |
| D G Ferris Limited | | 1985 |
| D G Meats Ltd | Wholesale & retail | 2012 |
| D Gibbs Consultancy Limited | Professional & scientific | 2026 |
| D H Frames Limited | Construction | 2016 |
| D Interiors Limited | Construction | 2003 |
| D J Auto Repairs Limited | Wholesale & retail | 2014 |
| D J Brown Monumental Masons and Sculptors Limited | Other services | 2012 |
| D J Kitchen Installations Limited | Construction | 2023 |
| D J Ritchie Construction Ltd | Extraterritorial | 2024 |
| D K Properties Bristol Limited | Real estate | 2016 |
| D M Cleave Limited | Construction | 2015 |
| D Marris Trading AS Bristol Autocare Limited | Wholesale & retail | 2025 |
| D MAY Design Limited | Professional & scientific | 2023 |
| D Mccann Ltd | Wholesale & retail | 2025 |
| D Morris Consulting Ltd | Professional & scientific | 2019 |
| D Murphy Plumbing & Heating Ltd | Construction | 2017 |
| D N B Services Limited | Construction | 2026 |
| D N Cleaning Limited | Administrative & support | 2026 |
| D N Management Limited | Professional & scientific | 1996 |
| D N Plastering and Rendering Ltd | Construction | 2026 |
| D P Bristol Ltd | Other services | 2025 |
| D Partington Illustration Limited | Professional & scientific | 2019 |
| D R Bond Properties Limited | Construction | 2017 |
| D R L Developments Limited | Construction | 2003 |
| D R Properties (Holdings) Limited | Construction | 2020 |
| D R Properties Limited | Real estate | 1998 |
| D S Building Services (Bristol) Limited | Construction | 2017 |
| D Santos Transport Ltd | Transport & logistics | 2021 |
| D Sparks (SW) Limited | Construction | 2018 |
| D Style Publishing Ltd | Information & communication | 2006 |
| D Style Recordings Ltd | Information & communication | 2006 |
| D Sweeting Transport Management Ltd | Professional & scientific | 2023 |
| D T Plumbing & Heating (SW) Ltd | Construction | 2017 |
| D Unit Space Ltd | Arts & recreation | 2022 |
| D Unit Studios Ltd | Wholesale & retail | 2020 |
| D W Electrical (South West) Ltd | Construction | 2016 |
| D&B Construction & Management Ltd | Construction | 2015 |
| D&B Dwellings Ltd | Real estate | 2025 |
| D&B Kebab Ltd | Hospitality | 2023 |
| D&C Industries Ltd | Wholesale & retail | 2017 |
| D&D Executive Travel Ltd | Extraterritorial | 2019 |
| D&D Fruit and VEG Ltd | Wholesale & retail | 2025 |
| D&Drv Ltd | Administrative & support | 2025 |
| D&G Appliance Repairs Limited | Manufacturing | 2016 |
| D&G Heating & Property Maintenance Limited | Construction | 2007 |
| D&H Ventures Ltd | Households | 2026 |
| D&H Washbourne Limited | Professional & scientific | 2013 |
| D&K Grandhome Ltd | Real estate | 2025 |
| D&Kb Limited | Real estate | 2021 |
| D&L NDT Services Ltd | Professional & scientific | 2021 |
| D&R Auto Techniques Ltd | Wholesale & retail | 2009 |
| D&R Pro Detailing&Valeting Ltd | Administrative & support | 2025 |
| D&S Murgan Ltd | Transport & logistics | 2018 |
| D&S Property Bristol Ltd | Real estate | 2025 |
| D&S Property Services (UK) Ltd | Administrative & support | 2009 |
| D&S Roofing Ltd | Construction | 2024 |
| D&S South West Properties Ltd | Real estate | 2022 |
| D&V Transporting Ltd | Transport & logistics | 2016 |
| D&W Allen Ltd | Financial services | 2014 |
| D&W Estates Limited | Construction | 2023 |
| D&Y Trans Ltd | Transport & logistics | 2021 |
| D'Alessandro Building and Tiling Limited | Construction | 2016 |
| D'Ambrosio - Phillips Electrical Contractors Limited | Construction | 2022 |
| D'Arbost Collective Ltd | Professional & scientific | 2026 |
| D-Tech (UK) Limited | Manufacturing | 2005 |
| D-Three Digital Ltd | Information & communication | 2024 |
| D. and J. Electricals (Bristol) Limited | Wholesale & retail | 1988 |
| D. B. Gibbons (Contractors) Limited | Agriculture & fishing | 1999 |
| D. J. & S. C. Ltd | Hospitality | 2018 |
| D. J. Scaffold Limited | Extraterritorial | 2011 |
| D. S. Angling Limited | Arts & recreation | 2012 |
| D. Scott & Sons Tiling Limited | Construction | 2002 |
| D. Stobbs Building Developments Ltd | Construction | 2017 |
| D.A. Noble Plumbing and Heating Ltd | Extraterritorial | 2020 |
| D.A. Reid Property Surveyors Ltd | Professional & scientific | 2015 |
| D.A.W.S Transport Services Limited | Wholesale & retail | 2005 |