| Dafdafjungle Limited | Manufacturing | 2019 |
| Daffodil IT Limited | Information & communication | 2013 |
| Daft Springer Ltd | Information & communication | 2019 |
| Daftech Automotive Ltd | Wholesale & retail | 2026 |
| Dagwin Ltd | Wholesale & retail | 2026 |
| Dahadacademy Ltd | Education | 2023 |
| Daily Potions Ltd | Manufacturing | 2025 |
| Dailyfamous Holdings Ltd | Financial services | 2025 |
| Dailyfamous Limited | Construction | 1987 |
| Daintree Homes Limited | Real estate | 2021 |
| Dairy House Properties Limited | Real estate | 2026 |
| Daisy Barber Ltd | Other services | 2025 |
| Daisy Chains Pre-School (Thurlstone & Millhouse) C.I.C. | Education | 2007 |
| Daisy Spring Investments Limited | Real estate | 2016 |
| Daisy's Beauty Limited | Other services | 2025 |
| Daisycourt Properties Estate Management Company Limited | Real estate | 2014 |
| Daisydoo Ltd | Administrative & support | 2022 |
| Dak-Sol T.S.T Number 6 Limited | Construction | 1987 |
| Dake International Limited | Professional & scientific | 2009 |
| Dakota Communications Limited | Administrative & support | 2019 |
| Dakota Developments Ltd | Construction | 2025 |
| DAL Electrical Offshore Services Limited | Construction | 2013 |
| Dale & Company (Ancoats) Limited | Manufacturing | 1958 |
| Dale and Thompson Construction Ltd | Construction | 2026 |
| Dale and Thompson Ltd | Construction | 2023 |
| Dale Group (Holdings) Ltd | Professional & scientific | 2019 |
| Dale Hancock Ltd | Construction | 2016 |
| Dale Innovation Design Ltd | Construction | 2025 |
| Dale Photographic Limited | Wholesale & retail | 2002 |
| Dale Sports Limited | Hospitality | 2024 |
| Dale White Stunts Ltd | Arts & recreation | 2024 |
| Dalecourt Limited | Information & communication | 1990 |
| Daleel Travel Ltd | Administrative & support | 2014 |
| Daleside Estates Limited | Households | 2012 |
| Daleside Owners' Association Limited | Households | 1983 |
| Daleside Scaffolding Limited | Administrative & support | 2025 |
| Daley Projects Limited | Administrative & support | 2015 |
| Dall Building & Civil Engineering Ltd | Construction | 2019 |
| Dallmar Building Services Ltd | Real estate | 2007 |
| Dally Henderson Landscape Architects Limited | Administrative & support | 2012 |
| Dalman Properties Limited | Wholesale & retail | 1998 |
| Dalton Property Investments Ltd | Construction | 2021 |
| DAM House (Sheffield) Limited | Hospitality | 2012 |
| DAM Pubs Ltd | Hospitality | 2022 |
| Damascus Palace Limited | Hospitality | 2026 |
| Damase Ltd | Manufacturing | 2015 |
| Damflask Consulting Limited | Professional & scientific | 2018 |
| Damflask Properties Ltd | Real estate | 2019 |
| Damgeo Trading Ltd | Wholesale & retail | 2025 |
| Damian Gawlik Limited | Real estate | 2024 |
| Damill Ltd | Financial services | 2020 |
| Damilola Jewellery Ltd | Wholesale & retail | 2023 |
| Damo's Scaffolding Ltd | Construction | 2023 |
| Damoev Ltd | Professional & scientific | 2020 |
| Damoor Limited | Construction | 2014 |
| Damosel Investments Ltd | Real estate | 2024 |
| Dams Watersports Limited | Arts & recreation | 2016 |
| DAN Eats Ltd | Hospitality | 2025 |
| DAN Herrick Construction Limited | Construction | 2001 |
| DAN Lancaster Productions Limited | Other services | 2013 |
| DAN Saunders Limited | Professional & scientific | 2014 |
| DAN Shine Fitness Ltd | Education | 2022 |
| DAN Shine Online Coaching Limited | Arts & recreation | 2023 |
| DAN the Plumber Limited | Construction | 2015 |
| DAN Zanelli Healthcare Ltd | Health & social care | 2024 |
| Dana Services Ltd | Construction | 2024 |
| Dana's Market Limited | Wholesale & retail | 2023 |
| Danar Palace Limited | Wholesale & retail | 2025 |
| Danby Skin Barrier Consulting Ltd | Professional & scientific | 2025 |
| Dance Dynamique Academy Limited | Arts & recreation | 2016 |
| Dance Inc Academy Limited | Arts & recreation | 2020 |
| Dancecareer Limited | Professional & scientific | 1961 |
| Dancer IT Consulting Ltd | Information & communication | 2019 |
| Dancham Properties Limited | Real estate | 2024 |
| Dancing Dandelion Events Ltd | Administrative & support | 2025 |
| Dancing Detective Productions Ltd | Professional & scientific | 2022 |
| Dancing for Health CIC | Other services | 2020 |
| Dand LT Ltd | Information & communication | 2024 |
| Dandel Plant Ltd | Construction | 2016 |
| Dandelion Activations Limited | Administrative & support | 2023 |
| Dandy Handwork Limited | Construction | 2025 |
| Dandy Poultry Ltd | Wholesale & retail | 2010 |
| Dane Weller Holdings Limited | Extraterritorial | 1996 |
| Daneshill Management Ltd | Households | 2013 |
| Danforth Care & Support Ltd | Health & social care | 2022 |
| Dani Services Limited | Construction | 2018 |
| Daniel Amrich Ltd | Administrative & support | 2026 |
| Daniel Driving School Ltd | Education | 2026 |
| Daniel Family Limited | Real estate | 2026 |
| Daniel Fearn Estates Ltd | Real estate | 2024 |
| Daniel James Basketball Ltd | Education | 2023 |
| Daniel Lambert Limited | Real estate | 2012 |
| Daniel R Taylor Hairdressing Ltd | Other services | 2016 |
| Daniel Riches Interiors Limited | Construction | 2026 |
| Daniel's Motors Limited | Wholesale & retail | 2023 |
| Daniella Jackson T/As the Dream Lounge Limited | Other services | 2022 |
| Danilenx Limited | Administrative & support | 2013 |
| Danish Estates Ltd | Construction | 2025 |
| Danish Property Management Ltd | Real estate | 2025 |
| Danjay Holdings Limited | Financial services | 2023 |