| Denmark Street Productions Ltd | Brampton | 2025 |
| Denmead Driving Range Ltd | Fareham | 2025 |
| Denning Design Limited | Truro | 2007 |
| Dennis Asare Ltd | London | 2019 |
| Dennis Brown Global Limited | London | 2022 |
| Dennis Coaching Limited | Basingstoke | 2025 |
| Dennis Lowe Theatre Company Limited | Ipswich | 2002 |
| Dennis Muirhead Company Limited | Lymington | 1982 |
| Dennis Rigby Ltd | London | 2025 |
| Dennis Taylor Limited | Accrington | 2011 |
| Deno Driz Ltd | London | 2021 |
| Deno Rowlands Racing Ltd | Gloucester | 2025 |
| Denova Media Ltd | London | 2018 |
| Denovo LED Supplies Ltd | Manchester | 2026 |
| Dens and Signals Ltd | Hastings | 2015 |
| Dens Park Dbph Limited | Dundee | 2023 |
| Dense & Pika Ltd | Amersham | 2014 |
| Dent Aeronautics Limited | Malton | 2025 |
| Dentdale Community Gym C.I.C. | Sedbergh | 2025 |
| Denton Arts Limited | Sudbury | 2009 |
| Denton Burn Community Association | Newcastle Upon Tyne | 2013 |
| Denton Golf Club,Limited(The) | Manchester | 1911 |
| Denton Hall Racing Limited | County Durham | 2002 |
| Denton Investments Limited | Margate | 1996 |
| Denton Island Indoor Bowls Club Ltd. | East Sussex | 1995 |
| Dents Events Ltd | Plymouth | 2007 |
| Deny's Gym Limited | Stockton-On-Tees | 2009 |
| Denza International Limited | | 1985 |
| Denzeemusic Ltd | London | 2020 |
| Denzel Bentley Boxing Limited | Rayleigh | 2019 |
| DEO Events Ltd | Romford | 2024 |
| Deol Leisure Holdings Ltd | Warwick | 2026 |
| Deol Leisure Ltd | Warwick | 2025 |
| Deoruns Fitness Adventures Ltd | Bromley | 2020 |
| Deosculpt Ltd | Seaford | 2018 |
| Department Two Creative Ltd | Sheffield | 2017 |
| Department X Ltd | Banstead | 2021 |
| Departure & Arrival Productions Limited | London | 2014 |
| Departure Events Limited | Leeds | 2025 |
| Depeche Mode Limited | London | 2025 |
| Dependant Limited | Sevenoaks | 2009 |
| Depika Ltd | Surbiton | 2021 |
| Deplidge International Limited | Harpenden | 2001 |
| Depo Events Group Ltd | Plymouth | 2021 |
| Deprell Limited | | 1984 |
| Deptford Boxing Gym Ltd | London | 2023 |
| Deptford People's Heritage Museum CIC | London | 2025 |
| Deptford United Football Club Ltd | London | 2021 |
| Deptford X Ltd. | London | 2000 |
| Depthggs Esports Organisation Ltd | Brighton | 2025 |
| Deputy Productions Ltd | Liverpool | 2023 |
| Deranged Events Limited | St. Andrews | 2006 |
| Derby African Union C.I.C. | Derby | 2024 |
| Derby BCB Ltd | Derby | 2025 |
| Derby BJJ Comps Ltd | Derby | 2021 |
| Derby BMX Club Limited | Derby | 2019 |
| Derby City Amateur Boxing Club Ltd | Derby | 2021 |
| Derby City Boxing Academy Community Interest Company | Derby | 2016 |
| Derby City Gymnastics Club Limited | Chesterfield | 2000 |
| Derby City Rugby League Football Club | Leicester | 1999 |
| Derby City Stunts Ltd | Nottingham | 2025 |
| Derby County (the Rams) Limited | Ashbourne | 2022 |
| Derby County Community Trust | Derby | 2008 |
| Derby Entertainments Group Ltd | London | 2025 |
| Derby Events Group Ltd | London | 2025 |
| Derby Extreme Cheer Academy CIC | Derby | 2018 |
| Derby Futsal Club Limited | Derby | 2019 |
| Derby Jazz | Belper | 2003 |
| Derby Lane Health & Fitness Centre Limited | Liverpool | 2010 |
| Derby Legends Ltd | Derby | 2023 |
| Derby Legends Snooker Academy Ltd | Derby | 2025 |
| Derby Motor Boat Club Limited(The) | Coalville | 1963 |
| Derby Museums | Derby | 2012 |
| Derby Museums Enterprises Limited | Derby | 2012 |
| Derby Rowing Club Ltd | Derby | 2024 |
| Derby Stars Ltd | Derby | 2020 |
| Derbyshire Academy of Performing Arts Limited | Alfreton | 2024 |
| Derbyshire Academy of Performing Arts Show Company Limited | Alfreton | 2026 |
| Derbyshire Archery Club | Belper | 2017 |
| Derbyshire Caving Club Limited | London | 2019 |
| Derbyshire Community Ventures CIC | Derby | 2024 |
| Derbyshire County Football Association Limited | Derby | 2000 |
| Derbyshire County Golf Limited | Derby | 2017 |
| Derbyshire Cricket Foundation Limited | Derby | 2013 |
| Derbyshire Despatch Services Limited | | 1992 |
| Derbyshire Gymnastics Academy CIC | Ripley | 2025 |
| Derbyshire Gymnastics Events Ltd | Rotherham | 2026 |
| Derbyshire Institute of Sport C.I.C. | Derby | 2017 |
| Derbyshire Land Investments Limited | Nottingham | 2009 |
| Derbyshire Padel Ltd | Hyde | 2025 |
| Derbyshire Performance Academy Ltd | Rotherham | 2026 |
| Derbyshire Sporting Club Limited | Hatton | 2024 |
| Derbyshire Tennis Limited | Derby | 2024 |
| Derbyshire Trekking Centre Limited | Mansfield | 2025 |
| Derbyshire Wedding Events Ltd | Ilkeston | 2025 |
| Derbywheel Player Limited | London | 2023 |
| Dereham Blues Festival | Dereham | 2015 |
| Dereham Day Limited | Dereham | 2024 |
| Dereiss Entertainment Ltd | Clydebank | 2025 |
| Derek Baker Sports Ltd | Bognor Regis | 2026 |