| Domestic Tech Limited | Other services | 2025 |
| Dominic Green Audio Ltd | Information & communication | 2020 |
| Domo Arigato Ltd | Health & social care | 2023 |
| Doms Hastings Ltd | Hospitality | 2023 |
| DON Baro Ltd | Transport & logistics | 2024 |
| Donald & Co. Trading Ltd | Wholesale & retail | 2025 |
| Donut's Phone Ltd | Information & communication | 2026 |
| DOR-2-DOR (RH) Ltd | Professional & scientific | 2018 |
| Dorking Properties Limited | Real estate | 1971 |
| Dorking Sports Limited | Wholesale & retail | 2008 |
| Dornworth Management Limited | Financial services | 1989 |
| DOT NET Webs Limited | Information & communication | 2000 |
| Double H Consultants Limited | Professional & scientific | 2020 |
| Double Take Creative Limited | Information & communication | 2017 |
| Douglas Allen Limited | Administrative & support | 2005 |
| Douglas George Ltd | Administrative & support | 2024 |
| Dousters Limited | Construction | 2024 |
| Dove Nursery Ltd | Education | 2006 |
| Dow-Jones IT Ltd | Information & communication | 2015 |
| DP Technical Design Ltd | Professional & scientific | 2026 |
| DPA Automation Ltd | Professional & scientific | 2018 |
| DPG Information Design Limited | Professional & scientific | 2014 |
| DR Chapman and Associates Ltd | Professional & scientific | 2022 |
| DR K.Baillie Mrcog Ltd | Health & social care | 2025 |
| DR Kevin Boyd Limited | Health & social care | 2017 |
| DR R K Leigh Ltd | Health & social care | 2010 |
| DR S Khorami Ltd | Health & social care | 2007 |
| DR Tony Cash & Associates Ltd | Professional & scientific | 2021 |
| Draft Pick Brewing Company Ltd | Hospitality | 2025 |
| Dragon & Phoenix Enterprises Ltd | Real estate | 2024 |
| Dragon and Phoenix Infinity Ltd | Real estate | 2024 |
| Dragon Run Limited | Information & communication | 2023 |
| Dragonfly People Ltd | Professional & scientific | 2020 |
| Dragons Estate Pubs Limited | Hospitality | 2024 |
| Dragons Livery Ltd | Agriculture & fishing | 2021 |
| Dragons Sport Horses Ltd | Agriculture & fishing | 2022 |
| Dragonswood Productions Ltd | Arts & recreation | 2013 |
| Drainflow Solutions Southern Ltd | Extraterritorial | 2026 |
| Dramacademy Limited | Arts & recreation | 2012 |
| Dress for Dinner Limited | Wholesale & retail | 2022 |
| Drift Golf Club Limited | Arts & recreation | 1970 |
| Drive Alive Limited | Arts & recreation | 1992 |
| Drive Direct (National) Ltd | Real estate | 1998 |
| Drive Ferris Ltd | Transport & logistics | 2018 |
| Drive Flow Solutions Ltd | Transport & logistics | 2024 |
| Drive-Clean Limited | Wholesale & retail | 2026 |
| Driver Medicals Network Ltd | Health & social care | 2025 |
| Drivesport Limited | Arts & recreation | 1995 |
| Drivestyle Limited | Arts & recreation | 1996 |
| DRL Prestige Construction Limited | Construction | 2025 |
| Dronehawk Ltd | Information & communication | 2014 |
| Drossel Limited | Real estate | 2018 |
| Drum Advisory Limited | Professional & scientific | 2019 |
| Drum Platform Limited | Professional & scientific | 2019 |
| Drum Risk Limited | Professional & scientific | 2015 |
| Druschke UK Ltd. | Manufacturing | 2017 |
| DS Air Limited | Information & communication | 2000 |
| DSE (Sussex) Limited | Construction | 2015 |
| Dsit Ltd | Information & communication | 2024 |
| DSK Footcare Ltd | Health & social care | 2019 |
| DSL Care Ltd | Health & social care | 2019 |
| Dsluxury Ltd | Wholesale & retail | 2022 |
| DSP Associates Ltd | Administrative & support | 2026 |
| Dsplus Limited | Information & communication | 2010 |
| DST Design Solutions Ltd | Construction | 2013 |
| DTM Software Ltd | Professional & scientific | 2019 |
| Dtqes Limited | Professional & scientific | 2013 |
| Dtvu Ltd | Other services | 2023 |
| DU Gray Consulting Limited | Professional & scientific | 2013 |
| DU Mater Limited | Real estate | 2019 |
| Dual Climate Limited | Construction | 2021 |
| Dual Strength and Fitness Limited | Arts & recreation | 2014 |
| Dualis Group Limited | Financial services | 2020 |
| Duang Deon Ltd | Information & communication | 2025 |
| Duckworth Naturopathic Practice Ltd. | Wholesale & retail | 2011 |
| Dudu's Services Ltd | Transport & logistics | 2021 |
| Duffy Phoenix Limited | Real estate | 2026 |
| Dunbar Brown Limited | Arts & recreation | 2025 |
| Durkan Equestrian Limited | Agriculture & fishing | 2014 |
| Dustop Limited | Wholesale & retail | 1995 |
| Dutton Amber Limited | Professional & scientific | 2007 |
| DW Outdoor Living Limited | Administrative & support | 2013 |
| Dylaan International Ltd | Wholesale & retail | 2018 |
| Dynamic Climate Ltd | Administrative & support | 2020 |
| E & L Group Ltd | Other services | 2024 |
| E & S Developments Ltd | Real estate | 2019 |
| E Brooke Ltd | Information & communication | 2019 |
| E Properties Ltd | Real estate | 2020 |
| E-Fishency Consultancy Ltd | Information & communication | 2012 |
| E-Marketing Musicians Limited | Information & communication | 2024 |
| E. R. Fisher & Co. Limited | Real estate | 1948 |
| E.G.G. Accountancy Ltd | Professional & scientific | 2023 |
| E4 Management Consulting Ltd | Professional & scientific | 2018 |
| EA Property Hub Limited | Real estate | 2025 |
| Eagle Highways Holdings Limited | Manufacturing | 2026 |
| Early First AID Ltd | Education | 2016 |
| Earth and Silver Limited | Manufacturing | 2022 |
| Earthy Timber Limited | Manufacturing | 2015 |
| East Allenheads Estate Ltd | Agriculture & fishing | 2005 |
| East Barn Interiors Ltd | Professional & scientific | 2003 |