| DD Trans Spedition Ltd | Transport & logistics | 2025 |
| DDC Financial Solutions Limited | Financial services | 2011 |
| Ddhe Services Ltd | Construction | 2021 |
| Ddht Limited | Health & social care | 2015 |
| DDM Flooring Limited | Construction | 2006 |
| Ddmmss Properties Ltd | Real estate | 2016 |
| Ddms Construction Limited Limited | Construction | 2026 |
| DDO Logistics Group Limited | Transport & logistics | 2024 |
| DDP Properties (SW) Ltd | Real estate | 2021 |
| DDP Renovations & Maintenance Ltd | Construction | 2018 |
| DDR Properties Ltd | Real estate | 2019 |
| DDV Medical Limited | Health & social care | 2019 |
| DDW Studios Ltd | Wholesale & retail | 2025 |
| DDW Ventures Ltd | Education | 2019 |
| DE Construction & Carpentry Limited | Construction | 2014 |
| DE Landscape and Heritage Ltd | Professional & scientific | 2015 |
| DE Nuit Ltd | Extraterritorial | 2025 |
| DE Planning Ltd | Professional & scientific | 2021 |
| DE Sutton Court Residents Company Limited | Households | 1989 |
| DE Tough Limited | Construction | 2009 |
| DE Transform Ltd | Professional & scientific | 2022 |
| DE Verose Accounting Ltd | Professional & scientific | 2021 |
| DE Veys FC 1923 Ltd | Arts & recreation | 2026 |
| DE Vlin Jewellery Limited | Wholesale & retail | 2020 |
| De-Base INT Ltd | Wholesale & retail | 2018 |
| De-Composed Music Limited | Information & communication | 2014 |
| DEA Bar Ltd | Hospitality | 2023 |
| DEA Latex Limited | Wholesale & retail | 2019 |
| Dead Clean Mobile Valeting Ltd | Administrative & support | 2025 |
| Dead Dog Films Ltd | Information & communication | 2010 |
| Dead Savvy Limited | Administrative & support | 2011 |
| Dead Soda Ltd | Hospitality | 2020 |
| Dead-On Productions Limited | Information & communication | 2015 |
| Deaf Events UK Ltd | Arts & recreation | 2017 |
| Deaker Holdings Limited | Construction | 2019 |
| Dealflowx Ltd | Extraterritorial | 2022 |
| Dealink Ltd | Information & communication | 2025 |
| Dealslink Ltd | Administrative & support | 2025 |
| Dean Butcher Carpentry Services Limited | Construction | 2005 |
| Dean Cooke Rare Books Ltd | Wholesale & retail | 2018 |
| Dean Developments Bristol Ltd | Construction | 2025 |
| Dean Giles Electrical Limited | Construction | 2010 |
| Dean Kissun Ltd | Health & social care | 2023 |
| Dean Scott Ltd | Professional & scientific | 2024 |
| Dean Williams Tiling Ltd | Construction | 2019 |
| Deana Ashby Limited | Professional & scientific | 2017 |
| Deane Properties Limited | Professional & scientific | 2000 |
| Deane Veterinary Centre Limited | Extraterritorial | 2003 |
| Deanery Road (Bristol) Management Limited | Households | 2001 |
| Deanscroft Property Ltd | Real estate | 2026 |
| Dearborn Estates Limited | Professional & scientific | 2016 |
| Dearden Assessment Limited | Administrative & support | 1999 |
| Deazy Limited | Information & communication | 2016 |
| DEB Williams Travel Ltd | Administrative & support | 2023 |
| Debden Schools Services Limited | Real estate | 2000 |
| Debeaufort Construction Ltd | Extraterritorial | 2011 |
| Deborah Lingerie Limited | Wholesale & retail | 2015 |
| Debt Collection Service (DCS) Ltd | Professional & scientific | 2015 |
| Debt Collection Service Limited | Professional & scientific | 2005 |
| Debtec Limited | Information & communication | 2006 |
| Debugg Ltd | Manufacturing | 2024 |
| Decadent Ltd | Wholesale & retail | 2009 |
| Decagonsystems Ltd | Professional & scientific | 2021 |
| Decarbovation Ltd | Professional & scientific | 2023 |
| Decascents Limited | Manufacturing | 2010 |
| Decatur Properties Bristol Limited Ltd | Real estate | 2022 |
| Decatur Properties Limited | Real estate | 2020 |
| Deccado Ltd | Other services | 2016 |
| Dececio Media Ltd | Arts & recreation | 2021 |
| Decent Scissor CUT Ltd | Other services | 2024 |
| Decentralised TV Ltd | Information & communication | 2026 |
| Decentralyfe Ltd | Information & communication | 2025 |
| Decerto Management Ltd | Real estate | 2017 |
| Decimal Place Studios Ltd | Information & communication | 2025 |
| Deciphera Pharmaceuticals (UK) Limited | Administrative & support | 2020 |
| Decision Horizon Ltd | Professional & scientific | 2025 |
| Decisionlayer Ltd | Information & communication | 2025 |
| Decius Limited | Other services | 2012 |
| Deco Studio Limited | Administrative & support | 2014 |
| Decor (Bristol) Limited | Construction | 2003 |
| Decorating Services South West Ltd | Construction | 2023 |
| Decordova Properties Limited | Real estate | 2018 |
| Decorko Limited | Construction | 2015 |
| Decorlamps Ltd | Extraterritorial | 2015 |
| Dedomainia Ltd | Financial services | 2016 |
| Dedomena Limited | Administrative & support | 2014 |
| Deduardo Limited | Construction | 2025 |
| Deduction Ltd | Professional & scientific | 2021 |
| DEE Health Enterprise Ltd | Health & social care | 2023 |
| DEE Plumbing Limited | Construction | 2014 |
| DEE WAI Tamu PVT Ltd | Hospitality | 2020 |
| Dee-Em Ltd | Information & communication | 2020 |
| Deehall Limited | Hospitality | 2007 |
| Deeks Holdings Ltd | Financial services | 2025 |
| Deeley Freed (Assett) Limited | Construction | 2007 |
| Deeley Freed (Penhalt) Limited | Real estate | 2004 |
| Deeley Freed Developments Limited | Real estate | 2014 |
| Deeley Freed Estates Limited | Construction | 2003 |
| Deeley Freed Office Fund LP | | 2004 |
| Deeneed Limited | Administrative & support | 2025 |