| Dickinson-Flower Ltd | Professional & scientific | 2003 |
| Dicksons Estate Prime Ltd | Real estate | 2025 |
| Digi-Era Information Technologies Limited | Information & communication | 2015 |
| Digicast AV Limited | Manufacturing | 2014 |
| Digital Factory Limited | Manufacturing | 1998 |
| Digital Opinion Limited | Professional & scientific | 2001 |
| Digital Video Systems Limited | Information & communication | 1997 |
| Dijo Delicatessen Limited | Wholesale & retail | 2018 |
| Dilan Barbers Ltd | Other services | 2024 |
| Dimov Construction Ltd | Construction | 2023 |
| Dimples Healthcare Services Limited | Health & social care | 2013 |
| Dimpz N Lawz Ltd | Information & communication | 2022 |
| Dinkum Dog Limited | | 1985 |
| Dintech Ltd | Manufacturing | 2007 |
| Dipco Plumbing, Heating & Electrical Limited | Other services | 2014 |
| Direct CAB Line Limited | Extraterritorial | 2004 |
| Direct Car Line Limited | Professional & scientific | 2006 |
| Direct Chauffeur Line Limited | Financial services | 1999 |
| Direct Chauffeur Line.Com Limited | Extraterritorial | 2004 |
| Direct Coach Line Limited | Extraterritorial | 2006 |
| Direct Roofing & Guttering Ltd | Construction | 2019 |
| Directeuro 2002 Limited | Other services | 2002 |
| Discentia Capital I LP | | 2021 |
| Discount Car Trading Limited | Wholesale & retail | 2020 |
| Dive in Swim School LLP | | 2016 |
| Diversify UK Limited | Real estate | 2005 |
| Dix-Huit Limited | Transport & logistics | 2005 |
| DJ Manz Limited | Information & communication | 2023 |
| Djemal Property Management Limited | Real estate | 2004 |
| DMA Decorating Contractors Ltd | Construction | 1998 |
| Dmcc Limited | Wholesale & retail | 2002 |
| DMZ Limited | Information & communication | 1996 |
| Dockland Carriage Company Limited | | 1987 |
| Dollar Mina Limited | Hospitality | 1998 |
| Dolphin Mobility Ltd. | Manufacturing | 1995 |
| Domel & Lake House Residents Association Limited | Extraterritorial | 2003 |
| Domestic Tax Ltd | Professional & scientific | 2001 |
| Donna's Bookkeeping Services Ltd | Professional & scientific | 2002 |
| Donovan Marrison Limited | Administrative & support | 1976 |
| Dootch Services Limited | Information & communication | 2025 |
| Dorking Lawn Tennis and Squash Club Limited | Arts & recreation | 1953 |
| Dorking Service Centre Limited | Wholesale & retail | 2003 |
| Double Barrelled Ltd | Professional & scientific | 2006 |
| Dove Care Homes Limited | Extraterritorial | 1986 |
| Down to Earth Developments Limited | Water & waste | 2014 |
| Down to the Bone Limited | Arts & recreation | 2001 |
| Downing (Barwell) Limited | Extraterritorial | 1999 |
| Downs Court Residents' Association Limited | Households | 2006 |
| Downs Solicitors LLP | | 2006 |
| DPA Home Renovations Ltd | Construction | 2019 |
| DPC Conversions Limited | Construction | 2007 |
| DPM Property Solutions Limited | Real estate | 2007 |
| DR C G Barratt Limited | Health & social care | 2006 |
| DR John Briffa Limited | Health & social care | 2004 |
| DR Properties (London) Ltd | Construction | 2022 |
| DR ROB Hicks Limited | Administrative & support | 2006 |
| Draco Associates Ltd | Professional & scientific | 1999 |
| Dragonfish Limited | Hospitality | 2024 |
| Drain Scan (London) Limited | Other services | 1997 |
| Drain Services Limited | Water & waste | 1996 |
| Draper Accountants Limited | Professional & scientific | 2002 |
| Drawing and Talking Limited | Education | 2006 |
| Drayminster Limited | | 1986 |
| Dream Building Ltd | Construction | 2020 |
| Dreamaster Limited | | 1985 |
| Dreambuild Limited | Construction | 2005 |
| Dreamscan Limited | Real estate | 1997 |
| Dreamworks Capital Limited | Real estate | 2022 |
| Drellden Computer Services Ltd | Information & communication | 1988 |
| Drews DRY Cleaning Services Ltd | Real estate | 2003 |
| Drill Service (Horley) Limited | Wholesale & retail | 1961 |
| Drilling and Prospecting International Limited | Wholesale & retail | 1960 |
| Drinko Slush Ltd | Wholesale & retail | 2019 |
| Drinks Galore Ltd | Hospitality | 2013 |
| Drive Inc. Limited | Professional & scientific | 1997 |
| Driving Instructors Accountants Limited | Extraterritorial | 2004 |
| Drivo UK Ltd | Transport & logistics | 2025 |
| Dromore Construction Limited | Administrative & support | 2006 |
| Druicca Limited | Professional & scientific | 2005 |
| Drummond Road (Number 1) Ltd | Extraterritorial | 2002 |
| Dryflyfishing Limited | Arts & recreation | 2006 |
| DSA Golf LP | | 2015 |
| Dscs Logistics Limited | Transport & logistics | 2019 |
| Dscs Services Limited | Transport & logistics | 2019 |
| DSGN83 Ltd | Professional & scientific | 2015 |
| DSN Financial Limited | Financial services | 2015 |
| DST Chinese Medical Ltd | Health & social care | 2012 |
| DTG Electrical Services Ltd | Construction | 2015 |
| DTO Group Limited | Professional & scientific | 2016 |
| DU Terroir a LA Table Limited | Wholesale & retail | 2005 |
| Ductwork Clean Ltd | Administrative & support | 2020 |
| Dumont Investment Limited | Financial services | 1995 |
| Dunbar Trading Limited | Professional & scientific | 1994 |
| Dungates Farms Limited | Agriculture & fishing | 1978 |
| Dunstable Road Limited | Households | 2000 |
| Duppas Hill Management Limited | Households | 1985 |
| Durst Image Technology UK Limited | Manufacturing | 2006 |
| Dust Busters Cleaning Services (Epsom) Limited | Administrative & support | 1999 |
| Dutybasic Services Limited | Construction | 1994 |
| Dwcommerce.Com | | 2000 |