| Downs School Enterprises Limited | Education | 2017 |
| Downscourt (Henleaze Road) Management Limited | Households | 1982 |
| Downside House Farm Parking Ltd | Transport & logistics | 2015 |
| Downside Tyres Limited | Wholesale & retail | 2020 |
| Downtown Secure Limited | Administrative & support | 2016 |
| Downwind Power Ltd | Manufacturing | 1990 |
| Dowry Square Garden Association CIC | Other services | 2024 |
| Dowset LP | | 2014 |
| Dowty House (Cheltenham) Management Company Limited | Households | 2023 |
| DP Bricklaying Contractors Limited | Construction | 2017 |
| DP Burke Maintenance Limited | Construction | 1993 |
| DP Energy Limited | Professional & scientific | 1996 |
| DP Global Energy Limited | Professional & scientific | 2021 |
| DP Van Ltd | Transport & logistics | 2022 |
| Dpci Ltd | Construction | 2022 |
| Dperform Limited | Professional & scientific | 2016 |
| DPF Cartech Ltd | Wholesale & retail | 2025 |
| DPF Solutions Southwest Limited | Manufacturing | 2025 |
| Dpf.Mf Ltd | Households | 2026 |
| DPG Accountancy Limited | Professional & scientific | 2024 |
| Dpge Investments Limited | Professional & scientific | 2013 |
| Dpge Rebuilds Ltd. | Manufacturing | 2002 |
| DPJ Property Management Limited | Real estate | 2025 |
| DPL Partnership (Holdings) Limited | Real estate | 2024 |
| DPL Partnership Lettings Limited | Real estate | 2019 |
| DPL Partnership Limited | Financial services | 2019 |
| DPM Aerospace Services Ltd | Manufacturing | 2017 |
| DPM Distribution Ltd | Wholesale & retail | 2022 |
| DPM Surveying Ltd | Professional & scientific | 2007 |
| Dpmn Ltd | Professional & scientific | 2023 |
| DPS - Dynamic Project Solutions Ltd | Professional & scientific | 2026 |
| DPS Trustees Limited | Professional & scientific | 2017 |
| DR 11 Limited | Wholesale & retail | 2021 |
| DR Alsaleh Ltd | Health & social care | 2018 |
| DR ASH Dent Ltd | Health & social care | 2025 |
| DR Beckley Psychological Services Ltd | Health & social care | 2026 |
| DR Bees Honey Co. Ltd | Wholesale & retail | 2023 |
| DR Beijing Limited | Health & social care | 2004 |
| DR BEN Sessa Ltd | Health & social care | 2020 |
| DR Bird Neuro Psychiatry Ltd | Health & social care | 2010 |
| DR Claire a. Fouque Ltd | Health & social care | 2012 |
| DR Clare ANN Educational Psychology Services Limited | Education | 2023 |
| DR Elizabeth Boyd Psychological Services Limited | Health & social care | 2015 |
| DR Frederico Ferreira Endodontics Limited | Professional & scientific | 2019 |
| DR Freya Ltd | Health & social care | 2025 |
| DR Georgina Conway Ltd | Education | 2026 |
| DR Helen Regan Psychological Services Ltd | Education | 2019 |
| DR Infinity Ltd | Wholesale & retail | 2026 |
| DR J C Hopkins Limited | Health & social care | 2022 |
| DR J W Butterworth Limited | Health & social care | 2025 |
| DR Jackson Ltd | Manufacturing | 2008 |
| DR Jacob LAM Limited | Health & social care | 2023 |
| DR James Barry Ltd | Health & social care | 2016 |
| DR Jasmeet Soar Limited | Health & social care | 2014 |
| DR Jazz Charitable Funds | Other services | 2005 |
| DR K Denton Limited | Health & social care | 2014 |
| DR Kamal Limited | Health & social care | 2017 |
| DR Kath Jenkins Ltd | Health & social care | 2020 |
| DR Lucy Ltd | Other services | 2023 |
| DR Makawi Limited | Health & social care | 2024 |
| DR MC Birdgirl Limited | Wholesale & retail | 2020 |
| DR Meaker Ltd | Arts & recreation | 2013 |
| DR Megan Psychology Ltd | Health & social care | 2024 |
| DR MJ Drake Limited | Health & social care | 2019 |
| DR N a Maskell Limited | Real estate | 2005 |
| DR Natalie King Dermatology Ltd | Health & social care | 2025 |
| DR Nicky Cardoe Limited | Administrative & support | 2019 |
| DR Photo and Video (UK) Ltd | Professional & scientific | 2025 |
| DR Plumbing Services Limited | Construction | 2007 |
| DR RD Thompson Limited | Health & social care | 2024 |
| DR Sameer Patel Limited | Health & social care | 2011 |
| DR SBP Ltd | Health & social care | 2021 |
| DR Stephen O'Brien Medical Services Limited | Health & social care | 2025 |
| DR Sunshine Ltd | Extraterritorial | 2023 |
| DR T Rogers Limited | Health & social care | 2014 |
| DR Touch Ltd | Health & social care | 2022 |
| DR Whippy Ltd | Administrative & support | 2025 |
| DR. Donner Ltd | Hospitality | 2026 |
| DR. James Rogers Ltd | Financial services | 2012 |
| DR. M. Lavelle Implantology Limited | Health & social care | 2024 |
| DR. UMA Healthcare Ltd | Health & social care | 2024 |
| Dr.Mix Ltd | Wholesale & retail | 2025 |
| DRA Carpentry and Build Ltd | Construction | 2021 |
| Dracula Crimson Reign Limited | Information & communication | 2025 |
| Draft Scouting Collective Limited | Information & communication | 2026 |
| Draftly Digital Ltd | Wholesale & retail | 2026 |
| Dragan’S Developments Ltd | Real estate | 2025 |
| Dragon & COD Limited | Administrative & support | 2026 |
| Dragon City Food Ltd | Hospitality | 2024 |
| Dragon Court M.C. Limited | Households | 1989 |
| Dragon Fire Protection Ltd | Construction | 2025 |
| Dragon Garage Equipment Limited | Manufacturing | 2014 |
| Dragon Grill Ltd | Hospitality | 2017 |
| Dragon Hoard Games Limited | Arts & recreation | 2023 |
| Dragon Hybrid Developments Limited | Professional & scientific | 2007 |
| Dragon I 2024 Ltd | Hospitality | 2024 |
| Dragon I Bristol (UK) Ltd | Hospitality | 2022 |
| Dragon Motors Ltd | Wholesale & retail | 2025 |
| Dragon Phoenix Catering Limited | Hospitality | 2009 |
| Dragon Rider Investment Limited | Professional & scientific | 2026 |