| Dalby Forest Cycle Hub CIC | Pickering | 2018 |
| DALBY7 Ltd | London | 2025 |
| Dalcross Sawmills Limited | Glasgow | 1990 |
| Dale Hardy Multimedia Ltd | Sunderland | 2020 |
| Dale Hill Hotel & Golf Limited | Wolverton Tadley | 2001 |
| Dale Howard Music Ltd | Wigan | 2015 |
| Dale James (Bookmakers) Limited | Manchester | 2000 |
| Dale Park Community Group | Barnsley | 2007 |
| Dale Road Park Sport and Community Hub Community Interest Company | Derby | 2023 |
| Dale Sound Moves Limited | London | 2024 |
| Dale Stevens Art Limited | Retford | 2022 |
| Dale Studios (Leicester) Limited | Leicester | 1989 |
| Dale White Stunts Ltd | Sheffield | 2024 |
| Daleon Fitness Limited | Merthyr Tydfil | 2014 |
| Dales Activity Centre Limited | Barnoldswick | 2014 |
| Dales Dance Ltd | Leyburn | 2004 |
| Daleside Consulting Limited | London | 2011 |
| Daley Sports Limited | Formby | 2014 |
| Daley Thompson Academies Limited | Nottingham | 2013 |
| Dalgety Bay Sailing Club Limited | Dunfermline | 2012 |
| Dalgety Visuals Ltd. | Dunblane | 2025 |
| Daljo Elgin Limited | Inverness | 2019 |
| Dalla Rosa Ltd | London | 2011 |
| Dallas Football Academy Ltd | Leeds | 2025 |
| Dallerie Records Ltd | Lochlane | 2019 |
| Dallyboy Records Limited | London | 2014 |
| Dalmaik Ltd | Banchory | 2015 |
| Dalmoon Limited | Alton | 2010 |
| Dalnaglar Limited | Blairgowrie | 2003 |
| Dalston DEN Ltd | Bedford | 2020 |
| Dalston Eastern Curve Garden Ltd | London | 2012 |
| Dalston Lane Studios Ltd. | London | 2023 |
| Dalston Leisure Swimming Pool Ltd | Gateshead | 2023 |
| Dalton 4X4 Offroad Lakes Adventures Ltd | Barrow-In-Furness | 2025 |
| Dalton Art Ltd | Antrim | 2024 |
| Dalton Events Ltd | Beverley | 2023 |
| Dalton Leisure Services Limited | Dalton In Furness | 1981 |
| Dalton Road Promotions Ltd | Armagh | 2024 |
| Dalton Wong Training Limited | Weybridge | 2025 |
| Dalwhinnie Bloodstock Ltd | High Peak | 2014 |
| Dalzell and Beresford Limited | London | 1968 |
| Dalziel & POW Design Consultants Limited | | 2000 |
| Dalziel & POW Holdings Limited | Lincoln | 2017 |
| Dalziel + Scullion Ltd | Isle Of Lewis | 2015 |
| Dalziel Sports Management Limited | Motherwell | 1994 |
| DAM Model Management Ltd | London | 2017 |
| DAM Science Ltd | London | 2025 |
| Damaged Goods Leeds Ltd | Leeds | 2022 |
| Damaged Ltd | London | 2019 |
| Damascus Road Technical Services Ltd | Spennymoor | 2009 |
| Dambusters Fitness Ltd | Weymouth | 2025 |
| Dame Margaret Cross Productions Limited | London | 1965 |
| Dame Productions Ltd | London | 2025 |
| Damfino Productions Ltd | Epping | 2020 |
| Damfit Ltd | London | 2023 |
| Dami Studios Limited | Nottingham | 2022 |
| Damian Cruden Creative Limited | Alnwick | 2011 |
| Damian Forders Cricket Academy Limited | Bristol | 2003 |
| Damian Goddard Lighting Limited | Stowmarket | 2008 |
| Damian Lees Tailored Fitness Ltd | Bury | 2022 |
| Damian Taylor Golf Limited | Accrington | 2010 |
| Damien Demolder Ltd | Colchester | 2014 |
| Damien Mcfadden Photography Limited | Northampton | 2012 |
| Damien Paul Consulting Ltd | West Kirby | 2024 |
| Damien Poole Theatre Arts Limited | York | 2016 |
| Damien Walters Film Limited | Derby | 2024 |
| Daminis Padel Ltd | London | 2021 |
| Damion Design Limited | The Drive | 2017 |
| Damisi Sports Management Ltd | Bradford | 2023 |
| Damisu Limited | Tenby | 2009 |
| Damn Cheek Productions C.I.C. | Polegate | 2016 |
| Damn Fine Monkeys Limited | Chesterfield | 2019 |
| Damn Good Creative Ltd | Milton Keynes | 2011 |
| Damn Good Exhibitions Ltd | Milton Keynes | 2011 |
| Damn Hot Ltd | Edinburgh | 2019 |
| Damo Sings Entertainment Ltd | Poole | 2025 |
| Damon Brock Limited | Worthing | 2020 |
| Damont Productions Ltd | Worthing | 2009 |
| Damp Knight Comedy Ltd | Berwick Upon Tweed | 2019 |
| Dampy Music Ltd | Kington | 2023 |
| Dams Watersports Limited | Sheffield | 2016 |
| Damsel Productions Limited | London | 2017 |
| Damselfish Productions Limited | London | 2016 |
| Damselfrau Ltd | London | 2019 |
| Damz Ltd | Manchester | 2023 |
| Damzz Ltd | Edgware | 2024 |
| DAN and Phil Productions Limited | London | 2015 |
| DAN Anthony Presentations Limited | Tenby | 2013 |
| DAN Baldwin Limited | Bexhill | 2007 |
| DAN Berridge Limited | Bristol | 2008 |
| DAN Berry Freestyle Martial Arts Academy Ltd. | Alrewas | 2013 |
| DAN Biggar Limited | Newport | 2010 |
| DAN Colman Creative Limited | London | 2014 |
| DAN Colman Limited | London | 1998 |
| DAN Community | Northwich | 2011 |
| DAN DAW Creative Projects Ltd | Hove | 2022 |
| DAN Euston Stunts Limited | London | 2013 |
| DAN Fable Ltd | Ealing | 2022 |
| DAN Fallon PT Limited | Beverley | 2014 |
| DAN Films Limited | London | 1994 |