| D F Warehouses LtdCrawley, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1972 |
| D and M Winchester LtdElgin, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2004 |
| D e Bespoke LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2015 |
| Da Rocchio Ristorante Italiano LtdLeeds, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2007 |
| Daniel Carnio LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2018 |
| Daniel Thwaites PLCBlackburn, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1897 |
| Danliv Leisure LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2019 |
| Datatek LtdManchester, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2011 |
| David Shuttle LtdBeaconsfield, United Kingdom · UKdavidshuttle.com · checked 28 Oct 2026 | UK | 1 | – | – | – | – | 1984 |
| Davies Group LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2008 |
| Davies Turner PLCColeshill, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1890 |
| Davis Polk & Wardwell London LLPNew York, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2022 |
| Days & Years LtdWembley, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2025 |
| Dcu LtdWinchester, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2017 |
| De Montfort Fine Art LtdLichfield, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1989 |
| Deakin and Francis LimitedBirmingham, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1919 |
| Dear Productions LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2018 |
| Debonair Building Maintenance LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2014 |
| Deep Fresh Drinks LimitedLeeds, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2019 |
| Delivering Happiness LimitedWokingham, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2016 |
| Dellavita LtdNorthampton, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2025 |
| Denbies Wine Estate LimitedDorking, United Kingdom · UKdenbies.co.uk · checked 28 Oct 2026 | UK | 1 | – | – | – | – | 2015 |
| Dentsu UK LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1985 |
| Despina Foods LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2001 |
| Deviock Wine Company LtdUnited Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2007 |
| Devor Trade LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2022 |
| Deya Brewing Company LtdCheltenham, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2015 |
| Dgt Services LimitedChelmsford, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1998 |
| Dh Global Wine LtdCroydon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2007 |
| Dhl Global Forwarding LimitedStaines-upon-Thames, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2000 |
| Dimensional Fund Advisors LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1990 |
| Distil Company LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1999 |
| Divina Wines LtdLondon, United Kingdom · UKdivinawines.com · checked 28 Oct 2026 | UK | 1 | – | – | – | – | 2024 |
| Dm Trading LtdSkegness, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2012 |
| Dna Worldwide LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1998 |
| Domaine Gayda LimitedDover, United Kingdom · UKdomainegayda.com · checked 28 Oct 2026 | UK | 1 | – | – | – | – | 2024 |
| Dombey Street Productions LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2006 |
| Dopco LimitedBarnstaple, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2020 |
| Dorchester Group LimitedUnited Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1984 |
| Dot Uu LimitedNewmarket, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2022 |
| Double Six Drinks LtdLeeds, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2019 |
| Douthwaite & Co LimitedWetherby, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2009 |
| Drillwell LtdSheffield, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1991 |
| Drinkrite LimitedAntrobus, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2009 |
| Drinx.com LimitedEdinburgh, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2000 |
| Dràm Mòr Group LtdDumbarton, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2013 |
| Ds Smith Packaging LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1959 |
| Dubit LimitedLeeds, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2000 |
| Dukla LtdHatch End, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2007 |
| Dunman Fuels LtdCookstown, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2017 |