| DA Champion Holdings Ltd | Real estate | 2023 |
| Dairy Court Residents Management Company Limited | Households | 2012 |
| DAL Sterling (UK) Limited | Professional & scientific | 2021 |
| Dalewind Limited | Other services | 1990 |
| Dalmoon Limited | Arts & recreation | 2010 |
| Dalsonic Limited | Administrative & support | 2005 |
| Damien Hardy Ltd | Mining & quarrying | 2026 |
| Dare Homes Limited | Real estate | 2021 |
| Dataprint Ltd. | Administrative & support | 1996 |
| Datarich Trading Limited | Professional & scientific | 1993 |
| Davenport Drinks Consulting Ltd | Professional & scientific | 2017 |
| David F. Slade Motor Vehicle Repairs Limited | Wholesale & retail | 2003 |
| David Hillyard Limited | Extraterritorial | 2010 |
| David Hillyard Yachts Limited | Extraterritorial | 2010 |
| David Lancaster LLP | | 2019 |
| DBD Building Limited | Construction | 2015 |
| DC Computing Solutions Ltd | Other services | 2023 |
| DC Demolition and Salvage Ltd | Construction | 2024 |
| DC Exclusive Ltd | Wholesale & retail | 2019 |
| DC Freshwater Fish Ltd | Agriculture & fishing | 2020 |
| Deadly Games Ltd | Arts & recreation | 2023 |
| Dean Mark Limited | Administrative & support | 1976 |
| Deansgate (T) Hairdressing Limited | Other services | 1998 |
| Dearham Investments Ltd | Financial services | 2022 |
| Debaser Limited | Information & communication | 2014 |
| Dedicated Fitness Limited | Arts & recreation | 2025 |
| Dedicated R&R Ltd | Arts & recreation | 2026 |
| DEE Mark Properties Limited | Real estate | 1979 |
| DEI Cellarium Limited | Health & social care | 2022 |
| Delay Limited | Professional & scientific | 2020 |
| Delta Court Properties Ltd | Construction | 2014 |
| Delta Industrial Holdings Ltd | Wholesale & retail | 2026 |
| Deltazzz Limited | Professional & scientific | 2012 |
| Delv Consultancy Ltd | Professional & scientific | 2024 |
| Derrydown Estates LLP | | 2016 |
| Design Plus (Holdings) Limited | Professional & scientific | 2009 |
| Design Plus Health & Beauty Limited | Manufacturing | 1999 |
| Detec Safety Health & Environmental Limited | Other services | 2001 |
| Development Research and Decision (DRD) Support Ltd | Professional & scientific | 2021 |
| Dex-Fdp Limited | Manufacturing | 2026 |
| Dexterity Services Limited | Administrative & support | 2017 |
| DG Cars Plus Ltd | Wholesale & retail | 2026 |
| Dhsr Limited | Real estate | 2015 |
| Diablo Computers Limited | Other services | 2004 |
| Dick Randall Services Ltd | Construction | 2018 |
| Didsbury (T) Hairdressing Limited | Other services | 2013 |
| Digital Delta Ltd | Information & communication | 2024 |
| Digital FOX Talent Ltd | Professional & scientific | 2022 |
| Digital Health Professionals Ltd | Information & communication | 2024 |
| Digital Matrix Futures Ltd | Professional & scientific | 2018 |
| Digitop Ltd | Arts & recreation | 1998 |
| Digitus Printing Limited | Manufacturing | 2009 |
| Dilici Ltd | Wholesale & retail | 2023 |
| Dill Cafe Ltd | Extraterritorial | 2022 |
| Dinks (USA) Limited | Wholesale & retail | 1996 |
| Direct German Kitchens Limited | Wholesale & retail | 2020 |
| Directors Advisory Service Ltd | Professional & scientific | 2023 |
| Dis.Co.Uk Limited | Administrative & support | 2001 |
| Discovery Air Ltd | Real estate | 1995 |
| Distinct Bizsolve Limited | Information & communication | 2023 |
| District & Suburban Properties Limited | Construction | 1986 |
| Divine Cleaning Services Ltd | Administrative & support | 2023 |
| DK Brands Ltd | Extraterritorial | 2022 |
| DL Sports Ltd | Education | 2025 |
| DML Commercial Assets Ltd | Real estate | 2025 |
| DMS Electrics Ltd | Construction | 2006 |
| Doctrina Schools LLP | | 2025 |
| Dominie Enterprises Limited | Professional & scientific | 2005 |
| Dominus Logistics Ltd | Wholesale & retail | 2025 |
| Doone Management Company Limited | Real estate | 2015 |
| Dorchester (T2) Hairdressing Limited | Other services | 2015 |
| Dorking Hairdressing Limited | Other services | 2012 |
| Dorking Sushi Ltd | Hospitality | 2022 |
| Dorothy Green Limited | Real estate | 2024 |
| Dorothy Pagare Enterprise Ltd | Health & social care | 2013 |
| Dose of Sanity Ltd | Wholesale & retail | 2020 |
| Dotcreative Limited | Professional & scientific | 2019 |
| Dove Associates Limited | Extraterritorial | 1985 |
| Downie & Gadban Limited | Professional & scientific | 2022 |
| Downview (Alton) Management Company Limited | Real estate | 2010 |
| DPM Leadwork Limited | Construction | 2002 |
| DR Dhilan Limited | Health & social care | 2025 |
| DR G Ubhayakar Ltd | Health & social care | 2012 |
| DR. Nick Jones Limited | Health & social care | 2010 |
| Drainfast Limited | Wholesale & retail | 2010 |
| Drishti Works Ltd | Professional & scientific | 2021 |
| Drivepointuk Ltd | Wholesale & retail | 2013 |
| Driver Link Group Ltd | Administrative & support | 2026 |
| Driver Veterinary Neurology Ltd | Professional & scientific | 2025 |
| Duallery Limited | Manufacturing | 2021 |
| Duchess Street Productions Limited | Information & communication | 2014 |
| Dunams Limited | Construction | 2007 |
| Duncan Eves Jewellers Limited | Wholesale & retail | 2005 |
| Dunlop International Pension Scheme Trustees Limited | Professional & scientific | 1996 |
| Duroe Consulting Limited | Information & communication | 2025 |
| Dutton Group Limited | Administrative & support | 2005 |
| Dynamic Post Production Ltd | Information & communication | 2005 |
| DZ Financial Ltd | Administrative & support | 2025 |
| E P Management Ltd | Real estate | 2019 |
| E Technology Limited | Professional & scientific | 1998 |