| Dagipizza Ltd | Hospitality | 2022 |
| Dagnall Accounting Services Limited | Professional & scientific | 2008 |
| Dahati Limited | Other services | 2018 |
| Daily Doorstep Deals Ltd | Wholesale & retail | 2020 |
| Daily Living & Wellbeing CIC | Information & communication | 2025 |
| Dailydrop-Uk Ltd | Information & communication | 2026 |
| Daim Trans Ltd | Transport & logistics | 2017 |
| Dainty Holdings 2026 Ltd | Financial services | 2026 |
| Dainty Proudlove Building Control Ltd | Construction | 2026 |
| Dainty Treats Limited | Manufacturing | 2022 |
| Dairo Empire Limited | Other services | 2026 |
| Dairy House Investments LLP | | 2024 |
| Dairylicious Ltd | Wholesale & retail | 2024 |
| Dais International Limited | Information & communication | 2026 |
| Daisy Chains Bolton Limited | Health & social care | 2020 |
| Daisy Hill Barber Ltd | Other services | 2023 |
| Daisy Hill Electrical Services Limited | Manufacturing | 2021 |
| Daisy Hill Practice Ltd | Professional & scientific | 2014 |
| Daisy Shine 24/7 Cleaning Services Ltd | Administrative & support | 2025 |
| Daisybud Limited | Wholesale & retail | 2011 |
| Daisyhill Premier Ltd | Wholesale & retail | 2017 |
| Daiyaz Care Limited | Health & social care | 2023 |
| Daky International Ltd | Manufacturing | 2015 |
| Dala Solutions Ltd | Wholesale & retail | 2018 |
| Dalal Warren Mini LOP Lines Limited | Extraterritorial | 2025 |
| Dalchini Bolton Ltd | Hospitality | 2019 |
| Dale Clark Services Limited | Transport & logistics | 2021 |
| Dale Industrial Complex Limited | Construction | 1979 |
| Dale Jones Kitchens Limited | Manufacturing | 2015 |
| Dale Jones Properties Limited | Real estate | 2022 |
| Dalerocking Group of Companies Ltd | Professional & scientific | 2016 |
| Dales Farm Property Investments Ltd | Real estate | 2023 |
| Dalewood Furniture Frames Limited | Manufacturing | 2002 |
| Dalfat UK Limited | Real estate | 2023 |
| Dallas Bolton Ltd | Construction | 2020 |
| Daloroma Ltd | Professional & scientific | 2024 |
| Dalton Rose Leisure Ltd | Hospitality | 2024 |
| Dalveen Enterprises Limited | Construction | 2000 |
| Daly Plastics Limited | Water & waste | 2010 |
| Daly School & Contract Office Supplies Limited | Wholesale & retail | 2016 |
| Damar Court Management Company Limited | Households | 2019 |
| Dambyke Ventures Ltd | Wholesale & retail | 2024 |
| Damillonegg Ltd | Wholesale & retail | 2015 |
| Damir Solutions Ltd | Wholesale & retail | 2018 |
| Damna Ltd | Real estate | 2025 |
| Damon Gibson Ltd | Construction | 2011 |
| Damsco Pizza Ltd | Hospitality | 2024 |
| Damsy & Akins Ltd | Transport & logistics | 2022 |
| Damulark Care Division Ltd | Other services | 2022 |
| DAN and the Bees Limited | Agriculture & fishing | 2026 |
| DAN Hardy Ipre Limited | Real estate | 2024 |
| DAN the MAN With a TAN Ltd | Wholesale & retail | 2024 |
| Dana Anderson Beauty Education Ltd | Education | 2025 |
| Dana Group Ltd | Construction | 2024 |
| Danaent Limited | Wholesale & retail | 2006 |
| Danbury Homes Limited | Construction | 2017 |
| Dance Nation Academy Ltd | Other services | 2020 |
| Dandrull Ltd | Wholesale & retail | 2019 |
| Daneen Khan Limited | Health & social care | 2021 |
| Danegibson Ltd | Transport & logistics | 2025 |
| Danesh. AF Limited | Wholesale & retail | 2025 |
| Daniel Barbers Bolton Ltd | Other services | 2024 |
| Daniel Corser Ltd | Health & social care | 2025 |
| Daniel Fasan Ltd | Health & social care | 2023 |
| Daniel Fisher Architectural Visualisation Limited | Professional & scientific | 2019 |
| Daniel James Tax Ltd | Professional & scientific | 2019 |
| Daniel John Digital Publishing & Accessibility Services Ltd | Information & communication | 2024 |
| Daniel Kazmi Limited | Professional & scientific | 2026 |
| Daniel Paul Joinery Limited | Manufacturing | 2021 |
| Daniel Peter Salmon Financial Planning Limited | Financial services | 2015 |
| Daniel SAM Limited | Professional & scientific | 1990 |
| Danielle Amos Hairdressing Ltd | Other services | 2015 |
| Daniels Construction NW Ltd | Construction | 2026 |
| Danis Windscreen Ltd | Wholesale & retail | 2025 |
| Danix Retail Ltd | Wholesale & retail | 2024 |
| Daniyal's Textiles Ltd | Wholesale & retail | 2025 |
| Danmarque Estates Ltd | Real estate | 2021 |
| Danmarque Ltd | Construction | 2010 |
| Danmatic Automatic Gearbox Repairs Ltd | Wholesale & retail | 2018 |
| Dannick Hill Limited | Wholesale & retail | 2009 |
| Danny Ledger Electrical Contractor Ltd | Construction | 2025 |
| Dannyasfrancas Limited | Hospitality | 2023 |
| Dannys Takeaway Ltd | Hospitality | 2025 |
| Danp Groundwork Ltd | Construction | 2025 |
| Danross Engineering Ltd | Manufacturing | 2009 |
| Dansha Healthcare Ltd | Health & social care | 2025 |
| Dansy Healthcare Limited | Administrative & support | 2021 |
| Dante Technical Solutions Ltd | Professional & scientific | 2024 |
| Dantech Consulting Services Limited | Information & communication | 2025 |
| Danube Traders Ltd | Wholesale & retail | 2021 |
| Danzo PUB Co Ltd | Hospitality | 2025 |
| Danzora Pixels Ltd | Manufacturing | 2025 |
| DAR EL TEB Ltd | Health & social care | 2019 |
| DAR Optical Limited | Health & social care | 2019 |
| DAR Sa'D Al-Din Ltd | Wholesale & retail | 2025 |
| Dara Cakes and Desserts Ltd | Hospitality | 2021 |
| Dara Consulting Legal Ltd | Administrative & support | 2024 |
| Darajatachieve Ltd | Education | 2025 |
| Darakht Properties Limited | Real estate | 2025 |
| Darby Street Limited | Professional & scientific | 2023 |