| Daycare 4 Dogs Ltd | Other services | 2007 |
| Daydreamer Jewellery Studio Ltd | Manufacturing | 2025 |
| Daydreaming Ltd | Hospitality | 2023 |
| Dayenu Ltd | Information & communication | 2025 |
| Daylauk Limited | Professional & scientific | 2026 |
| Daylecom Ltd | Information & communication | 2017 |
| Daylee Car Hire Limited | Administrative & support | 2008 |
| Daylesford Investments Ltd | Professional & scientific | 2019 |
| Daylesford Propco Ltd | Households | 2016 |
| Daylesford Trading Ltd | Wholesale & retail | 2020 |
| Daylight Grip and Textiles Limited | Manufacturing | 2004 |
| Daylight Moving Image Limited | Information & communication | 2004 |
| Daylight Solar Ltd | Construction | 2012 |
| Daylight Support Ltd | Extraterritorial | 2023 |
| Daylope Limited | Information & communication | 2022 |
| Dayne Liam Limited | Wholesale & retail | 2025 |
| Days Ahead Digital Limited | Professional & scientific | 2023 |
| Daysiarbgroup Ltd | Wholesale & retail | 2025 |
| Daythedeal Ltd | Wholesale & retail | 2026 |
| Daytime Studio Limited | Other services | 2023 |
| Daytonville Limited | Real estate | 1975 |
| Daytum Services Limited | Transport & logistics | 2008 |
| Daywalkers Combat Academy Ltd | Arts & recreation | 2022 |
| DAZ Import and Export Limited | Wholesale & retail | 2025 |
| DAZ Mech Limited | Other services | 2014 |
| Dazeign Limited | Information & communication | 2025 |
| Dazlmond Jewel Ltd | Manufacturing | 2025 |
| Dazora Ltd | Hospitality | 2024 |
| Dazzle Wear Limited | Wholesale & retail | 2025 |
| Dazzling Balloons Ltd | Wholesale & retail | 2023 |
| Dazzling Properties Ltd | Construction | 2019 |
| DB Auctions Limited | Administrative & support | 2016 |
| DB Auto Part Co., Limited | Extraterritorial | 2016 |
| DB Catalyst Limited | Professional & scientific | 2024 |
| DB Dental Therapy Services Limited | Health & social care | 2024 |
| DB Educational Consultant Ltd | Education | 2020 |
| DB Interiors Design & Build Ltd | Construction | 2019 |
| DB Interiors Pro Ltd | Construction | 2025 |
| DB Legal Training Ltd | Professional & scientific | 2021 |
| DB Property Development (NW) Limited | Construction | 2025 |
| DB Property Services (North West) Limited | Construction | 2018 |
| DB Rail Holdings Ltd | Professional & scientific | 2024 |
| DB Rail Solutions Ltd | Construction | 2024 |
| DB Realisations Limited | Transport & logistics | 2017 |
| DB Team POD Ltd | Manufacturing | 2025 |
| DB Transportation Ltd | Transport & logistics | 2024 |
| DB Vehicle Moves Ltd | Transport & logistics | 2024 |
| Db's Worldwide Ltd | Hospitality | 2026 |
| DB02 Ltd | Administrative & support | 2011 |
| DB11 Limited | Administrative & support | 2019 |
| DB11 Property Ltd | Real estate | 2022 |
| DBA Temporary Fire Detection Ltd | Construction | 2021 |
| Dbaerialapplications Ltd | Agriculture & fishing | 2025 |
| DBC Piano Services Ltd | Professional & scientific | 2019 |
| DBD Plastering Ltd | Construction | 2023 |
| DBF Associates Ltd | Administrative & support | 2012 |
| DBF Property Holdings Ltd | Real estate | 2021 |
| DBG Italia Limited | Wholesale & retail | 2017 |
| DBH Gwendolyn Ltd | Extraterritorial | 2024 |
| DBL DWN Ltd | Hospitality | 2023 |
| DBL Security Solutions Limited | Administrative & support | 2011 |
| DBM Building & Construction Ltd | Construction | 2021 |
| Dbmitchell Ltd | Real estate | 2026 |
| Dbnaudile Ltd | Administrative & support | 2017 |
| DBP Hold Limited | Real estate | 2019 |
| DBP Properties Limited | Real estate | 2019 |
| Dbpix Productions Ltd | Information & communication | 2021 |
| Dbrs Electrical Ltd | Construction | 2021 |
| DBS Europe Limited | Wholesale & retail | 2017 |
| DBS Music Holdings Limited | Education | 2012 |
| Dbst Realisations Limited | Wholesale & retail | 1981 |
| DBW Judicial Services Limited | Public administration | 2017 |
| DBY Group Ltd | Education | 2025 |
| Dbyuougg Limited | Wholesale & retail | 2026 |
| DBZ Marketplace Online Limited | Wholesale & retail | 2021 |
| DC 001 Limited | Hospitality | 2025 |
| DC 002 Limited | Hospitality | 2025 |
| DC Appointments & Consultancy Limited | Information & communication | 2008 |
| DC Bens Social Care Ltd | Health & social care | 2018 |
| DC Damp Cure Ltd | Construction | 2026 |
| DC Dean Ltd | Manufacturing | 2021 |
| DC Drylining Solutions Ltd | Construction | 2022 |
| DC Engage CIC | Arts & recreation | 2023 |
| DC Euro Limited | Other services | 2009 |
| DC Franchising Limited | Administrative & support | 2025 |
| DC Global Freight Management Limited | Transport & logistics | 2011 |
| DC Home Improvements and Renovations Ltd | Other services | 2015 |
| DC Labs Ltd | Information & communication | 2012 |
| DC Property Clearance Ltd | Water & waste | 2026 |
| DC PUB Management Ltd | Hospitality | 2025 |
| DC Recycling Limited | Water & waste | 2020 |
| DC Resin Solutions Ltd | Construction | 2022 |
| DC Response Services Limited | Health & social care | 2016 |
| DC Sakura Limited | Hospitality | 2021 |
| DC Smart Repairs Ltd | Wholesale & retail | 2025 |
| DC Welding Services Manchester Limited | Manufacturing | 2018 |
| DC003 Limited | Hospitality | 2025 |
| DC21 Earth SPV Limited | Energy | 2013 |
| DC22 Ltd | Extraterritorial | 2022 |
| Dcak Ltd | Transport & logistics | 2024 |