| Daisy Day Nurseries Limited | Sully | 2003 |
| Daisy Education Limited | Shiremoor | 2022 |
| Daisy First AID Guildford Ltd | Guildford | 2023 |
| Daisy First AID Kensington Limited | London | 2016 |
| Daisy First AID Peterborough Ltd | Peterborough | 2025 |
| Daisy Goord & Carly Brown Education Ltd | Plymouth | 2026 |
| Daisy Harrison Limited | London | 2018 |
| Daisy House Training Limited | Leeds | 2025 |
| Daisy Maisies Limited | Widnes | 2012 |
| Daisy Roots CIC | Southampton | 2025 |
| Daisy Roots Parental Solutions Ltd | Twickenham | 2016 |
| Daisy Tree Montessori Nursery Limited | Macclesfield | 2007 |
| Daisy's Day Nursery Ltd | Staplehurst | 2024 |
| Daisychain Bristol Limited | Bristol | 2009 |
| Daisychain Childminding Limited | Lytham St Annes | 2007 |
| Daisychain Pre-School Ltd | Newton Abbot | 2010 |
| Daisykins Limited | Warwickshire | 2002 |
| Dait 4 Change C.I.C. | Portland | 2022 |
| Dajco Limited | Cardiff | 2025 |
| DAK Dog Academy Ltd | Ingatestone | 2026 |
| Dakans Consultancy Ltd | York | 2015 |
| Dakusfran Limited | Edinburgh | 2022 |
| DAL Academy Guide to Sciences Ltd | London | 2025 |
| Dal's Tutoring Service Ltd | Milton Keynes | 2026 |
| Dalal Street Capital Ltd | London | 2025 |
| Dalby UK Online Limited | Rotherham | 2025 |
| Dale (Surrey) Limited | Lingfield | 2008 |
| Dale and O'Connor Ltd | Sandbach | 2026 |
| Dale Burke Ltd | Glasgow | 2023 |
| Dale Futures CIC | Rochdale | 2025 |
| Dale House School Limited | Huddersfield | 1999 |
| Daleel Prof Ltd | Walton-On-Thames | 2026 |
| Dales Academies Trust | Northallerton | 2013 |
| Daleside Music Limited | London | 2024 |
| Dalesway Yorkshire Limited | Barnard Castle | 2001 |
| Daley Soccer Training Academy Ltd | Huntingdon | 2019 |
| Daley Uplift CIC | Bradford | 2026 |
| Dalgarno Pre-School Limited | London | 2005 |
| Dallington Associates Limited | London | 2016 |
| Dallington School Limited | | 1998 |
| Dalmafiu Ltd | Great Yarmouth | 2016 |
| Dalor Consultants Limited | Coventry | 2014 |
| Dalriada School | Ballymoney | 1925 |
| Dalry 183 Ltd | Edinburgh | 2001 |
| Dalston Education Centre Limited | London | 2014 |
| Dalston Home Ltd | London | 2026 |
| Dalton Tuition Services Limited | Kingswinford | 2015 |
| Daly Pathways Ltd | Newton Abbot | 2019 |
| Daly Transport Training Limited | Benfleet | 2021 |
| Dama Studios Ltd | Crawley | 2021 |
| Damali-Beautifulvision CIC | London | 2022 |
| Damana Health Support | London | 2021 |
| Damana Services Ltd | London | 2025 |
| Damar Limited | Manchester | 1979 |
| Damas Civicas Cruceñas Londres UK CIC | London | 2026 |
| Damascus Academy for Training & Community Awareness Ltd | Manchester | 2026 |
| Damask Rose International Welcare Limited | London | 2015 |
| Damdami Taksal UK Ltd | Birmingham | 2023 |
| Dame Alice Owen's School | Potters Bar | 2011 |
| Dame Alice Owen's School Music Centre Limited | Hertfordshire | 1993 |
| Dame Allan's Schools | Newcastle Upon Tyne | 2000 |
| Dame Catherine Harpur's School Limited | Ticknall, Derby | 2000 |
| Dame Kelly Holmes Trust | Bath | 2008 |
| Dame Naila Zaffar Education Consultancy Ltd | Bradford | 2019 |
| Dame Robina Shah Foundation Ltd | Stockport | 2025 |
| Damien Massias Ltd | Milton Keynes | 2014 |
| Damien's Driving School Ltd | Wisbech | 2019 |
| Damilola Taylor Trust | London | 2001 |
| Damion Myers Initiative C.I.C. | London | 2026 |
| Dammi Instructor Ltd | Norwich | 2025 |
| Damp Detectives Education Ltd | Chudleigh | 2023 |
| Dams Rail & Construction Training Services Limited | Chatham | 2019 |
| DAN Academy of Science and Technology Ltd | Bromley | 2025 |
| DAN Beale Training and Consultancy Ltd | Southampton | 2025 |
| DAN Bizzarro Method Ltd | Chipping Norton | 2026 |
| DAN Bull SEN Mentoring & Support Ltd | Witney | 2024 |
| DAN Dans Ltd | Margate | 2016 |
| DAN Ford Coaching Ltd. | Malvern | 2017 |
| DAN Gaze Support Service Ltd | Bedford | 2022 |
| DAN Gregory Media Ltd | Maghull | 2021 |
| DAN Hemingway Coaching Ltd | Tamworth | 2018 |
| DAN Housego Cricket Coaching Limited | Wokingham | 2017 |
| DAN Hudson Ltd | Norwich | 2017 |
| DAN O'Neill Coaching Limited | Liverpool | 2022 |
| DAN Reddish Consulting Ltd | Nottingham | 2022 |
| DAN Roberts Enterprises Limited | Thames Ditton | 2012 |
| DAN Shine Fitness Ltd | Sheffield | 2022 |
| DAN Tastic Education Limited | Manchester | 2019 |
| DAN Thorpe Guitar Limited | Stourbridge | 2021 |
| DAN Yates Golf Limited | Malvern Wells | 2023 |
| Dan&Dad Driving School Ltd | Brighton | 2017 |
| Dan's Driving School Limited | Derby | 2024 |
| Dana Anderson Beauty Education Ltd | Bolton | 2025 |
| Dana's Aquatic Academy Leisure Ltd | New Milton | 2023 |
| Danad Design Foundation | Hertford | 2018 |
| Danat AL Maabilah Trading Ltd | London | 2023 |
| Danaye Ltd | London | 2013 |
| Danbury Pre-School | Chelmsford | 2005 |
| Dance & Beyond Ltd | Lancaster | 2017 |
| Dance Academy HQ Ltd | Canterbury | 2018 |