| Dalen Designs Limited | Manufacturing | 2016 |
| Dalen Healthcare Limited | Manufacturing | 2018 |
| Dalex Group Ltd | Professional & scientific | 2026 |
| Dalexia Homecare Ltd | Public administration | 2025 |
| Dalhouse Domestic Repairs Ltd | Other services | 2024 |
| Dali's Builders Ltd | Construction | 2021 |
| Dalian Talent International Limited | Wholesale & retail | 2023 |
| Dalin Delivery Service Ltd | Administrative & support | 2026 |
| Dalkia Facilities Holdings Limited | Financial services | 2003 |
| Dalli Family Investment Company | Financial services | 2016 |
| Dallux Ltd | Wholesale & retail | 2024 |
| Dalman & Narborough Limited | Extraterritorial | 2015 |
| Dalman Holdings Limited | Real estate | 2010 |
| Dalman Merchant Broking Limited | Professional & scientific | 2013 |
| Dalmor Pure Wellness Collection Limited | Manufacturing | 2024 |
| Dalmore Trading Limited | Wholesale & retail | 2014 |
| Dalran Corporation Limited | Wholesale & retail | 2005 |
| Dalsan Foundation Limited | Administrative & support | 2020 |
| Dalsom Cleaning and Other Services Ltd | Administrative & support | 2022 |
| Dalsun Solicitors Ltd | Professional & scientific | 2016 |
| Dalton (Midlands) Limited | Construction | 2025 |
| Dalton Farrow Designs Limited | Administrative & support | 2007 |
| Dalvair Healthcare Limited | Wholesale & retail | 2003 |
| Dalyaa Ltd | Real estate | 2025 |
| DAM Good Coffee Shop Ltd | Hospitality | 2018 |
| DAM Housing Ltd | Real estate | 2017 |
| Damac Properties International Limited | Construction | 2020 |
| Damage Leisure Ltd | Real estate | 2016 |
| DAMAGE&REPAIR24 Limited | Construction | 2025 |
| Damain Ltd | Administrative & support | 2025 |
| Daman Construction Limited | Construction | 2024 |
| Damanjot Singh Traders Limited | Construction | 2023 |
| Damara Surf Ltd | Administrative & support | 2025 |
| Damas Group Westmidlands Ltd | Professional & scientific | 2017 |
| Damascena City Ltd | Hospitality | 2021 |
| Damascena Distribution Ltd | Administrative & support | 2017 |
| Damascena Eatery Ltd | Extraterritorial | 2015 |
| Damascena Edgbaston Ltd | Hospitality | 2022 |
| Damascena Harborne Ltd | Hospitality | 2017 |
| Damascena Holdings Limited | Financial services | 2020 |
| Damascena JQ Limited | Hospitality | 2019 |
| Damascena Limited | Hospitality | 2013 |
| Damascus Mashawi Ltd | Hospitality | 2025 |
| Damavand Bakery Limited | Wholesale & retail | 2026 |
| Damax Property Limited | Real estate | 2023 |
| Dambar Transport Ltd | Transport & logistics | 2019 |
| Damdami Taksal UK Ltd | Education | 2023 |
| Damer.Mallah Ltd | Professional & scientific | 2019 |
| Damesdecor Limited | Wholesale & retail | 2022 |
| Dami's Kitchen Birmingham Limited | Hospitality | 2025 |
| Dami's Kitchen Ltd | Hospitality | 2022 |
| Damian Byng Limited | Wholesale & retail | 2022 |
| Damidara Limited | Health & social care | 2017 |
| Damien Hutchison Hyde Ltd | Information & communication | 2019 |
| Dammar Investments Limited | Financial services | 2024 |
| Dammy Fash Limited | Health & social care | 2017 |
| Damo Management Limited | Wholesale & retail | 2020 |
| Damo Transport Limited | Wholesale & retail | 2022 |
| Damoa D Ltd | Wholesale & retail | 2025 |
| Damoni 82 Limited | Transport & logistics | 2026 |
| Damp Property Care Ltd | Construction | 2025 |
| Damp Zone Limited | Construction | 2016 |
| Damps Surveyors Ltd | Professional & scientific | 2021 |
| Dampsolutionsservices Ltd | Households | 2025 |
| Damptec (Midlands) Limited | Construction | 2009 |
| Damptec Property Services Limited | Construction | 2024 |
| Dampwise UK Limited | Construction | 2025 |
| Dams Venues and Bars Ltd | Hospitality | 2025 |
| Damsco Building Services Ltd | Construction | 2020 |
| Damson Construction Services Ltd | Construction | 2021 |
| Damson Developers Ltd | Construction | 2022 |
| Damson Square Properties Limited | Real estate | 2014 |
| Damson Traders Ltd | Administrative & support | 2018 |
| Damsonwood Indian Takeaway Limited | Hospitality | 2022 |
| DAN Davis Ltd | Information & communication | 2026 |
| DAN for General Services Ltd | Professional & scientific | 2026 |
| DAN M Interiors Ltd | Construction | 2018 |
| DAN Maro Golden Resources Ltd | Construction | 2023 |
| DAN Mousley Limited | Administrative & support | 2025 |
| DAN V. Interiors Ltd | Construction | 2023 |
| Dan's Cannons Limited | Professional & scientific | 2012 |
| Dan's Health Limited | Real estate | 2026 |
| DAN86 Ltd | Hospitality | 2024 |
| Dana Commercial Clean Ltd | Water & waste | 2025 |
| Dana Signature Limited | Wholesale & retail | 2025 |
| Danahretu Limited | Real estate | 2020 |
| Danam Limited | Professional & scientific | 2008 |
| Danano Holdings Ltd | Wholesale & retail | 2014 |
| Danbak Services Ltd | Real estate | 2026 |
| Dance & Enjoy Limited | Hospitality | 2020 |
| Dance Clinic Limited | Arts & recreation | 2017 |
| Dance Co-Operative Birmingham CIC | Arts & recreation | 2024 |
| Dance Consortium Limited | Arts & recreation | 2007 |
| Dance Hub Birmingham CIC | Arts & recreation | 2019 |
| Dancedad Ltd | Information & communication | 2021 |
| Dancers DEN UK Ltd | Wholesale & retail | 2025 |
| Dancing Dragon Foods Midlands Ltd | Wholesale & retail | 2025 |
| Dancing Leopard Clothing Limited | Manufacturing | 2014 |
| Dancique Limited | Wholesale & retail | 2015 |
| Dancole Services Ltd | Construction | 2025 |