| Digitalsofts Ltd | Wholesale & retail | 2008 |
| Digitalsom Ltd | Information & communication | 2019 |
| Digitease Business Solutions Ltd | Administrative & support | 2023 |
| Digitise Dental Solutions Limited | Manufacturing | 2016 |
| Digitizing Limited | Manufacturing | 2019 |
| Digitope Ltd | Other services | 2025 |
| Digitreturn Limited | Wholesale & retail | 2025 |
| Digiua Ltd | Information & communication | 2025 |
| Digivest Ltd | Education | 2021 |
| Digixsel Ltd | Other services | 2025 |
| Diglis Wharf Management Company Limited | Households | 2007 |
| Dignified Care Wellness Services Ltd | Other services | 2026 |
| Dignity Memorials Ltd | Manufacturing | 2026 |
| Dignus Group Limited | Health & social care | 2016 |
| Dignus Healthcare Limited | Health & social care | 2006 |
| Dignus Limited | Extraterritorial | 2018 |
| Dignus Specialist Care Limited | Extraterritorial | 2022 |
| Dignus Support Limited | Administrative & support | 2007 |
| Digriv UK Limited | Other services | 2022 |
| Digsuk Ltd | Hospitality | 2019 |
| Diina Housins Ltd | Real estate | 2025 |
| Diiv Limited | Information & communication | 2021 |
| Dija Cleaning Service Ltd | Administrative & support | 2026 |
| Dikov Limited | Manufacturing | 2023 |
| DIL Khan Property Group Ltd | Real estate | 2018 |
| Dilay 1949 Ltd | Wholesale & retail | 2026 |
| Diler Consultancy Ltd | Professional & scientific | 2023 |
| Dili Ltd | Information & communication | 2025 |
| Diligence Healthcare Services Ltd | Public administration | 2023 |
| Diligens System Monitoring Limited | Professional & scientific | 2011 |
| Diligent Housing Ltd | Real estate | 2025 |
| Diligent Mortgage Services Ltd | Financial services | 2019 |
| Diligent Property Care Ltd | Administrative & support | 2026 |
| Diligentia Care Homes Ltd | Health & social care | 2022 |
| Dilkash Limited | Hospitality | 2023 |
| Dilkhush Stirchley Limited | Hospitality | 2022 |
| Dill the Builder Limited | Construction | 2018 |
| Dillon Commercials Limited | Wholesale & retail | 2010 |
| Dillon Transformit Ltd | Other services | 2021 |
| Dilon Car Wash Ltd | Administrative & support | 2025 |
| Dilraaj Restaurant Limited | Hospitality | 2010 |
| Dilshad Masala Co. Ltd | Manufacturing | 2025 |
| Dilshad Tandoori Limited | Hospitality | 2016 |
| Dil’S House Limited | Real estate | 2022 |
| DIM Cleaning Services Ltd | Manufacturing | 2023 |
| Dimancescu Cleaning Ltd | Administrative & support | 2024 |
| Dimcho Duhnev Ltd | Transport & logistics | 2018 |
| Dime Support Services Ltd | Administrative & support | 2024 |
| Dimension Groundworks and Driveways Limited | Construction | 2013 |
| Dimension Roofing Ltd | Construction | 2021 |
| Dimitris Maos Limited | Health & social care | 2004 |
| Dimo Computing Ltd | Real estate | 1999 |
| Dimocarpus Limited | Real estate | 2017 |
| Dimpys Distribution Ltd | Wholesale & retail | 2019 |
| Dimves Ltd | Construction | 2023 |
| DIN Beuty Tools Limited | Other services | 2023 |
| DIN Building Ltd | Construction | 2025 |
| Dinah Market Limited | Wholesale & retail | 2025 |
| Dinal Xpress Ltd | Transport & logistics | 2019 |
| Dinamic Holdings Ltd | Administrative & support | 2018 |
| Dinamic Solutions Ltd | Administrative & support | 2018 |
| Dinamo Link Limited | Administrative & support | 2025 |
| Dinbin Paradise Food Limited | Hospitality | 2023 |
| Dinduice Ltd | Manufacturing | 2025 |
| Dine Bearwood Ltd | Hospitality | 2014 |
| Dine Contract Catering Limited | Hospitality | 2010 |
| Dine With Burhan Ltd | Hospitality | 2021 |
| Dine With Samantha Ltd | Hospitality | 2021 |
| Dineford Ltd | Hospitality | 2026 |
| Dinero Apparel Limited | Wholesale & retail | 2020 |
| Dinerodreams Ltd | Wholesale & retail | 2025 |
| Ding YI Zhong TAI Limited | Hospitality | 2019 |
| Dingdong Home Ltd | Information & communication | 2023 |
| Dingling Bell Limited | Wholesale & retail | 2025 |
| Dingyboo Ltd | Wholesale & retail | 2025 |
| Dinh Properties Ltd | Administrative & support | 2025 |
| DINHO2022 Limited | Health & social care | 2022 |
| Dinigs Limited | Hospitality | 2023 |
| DINKO05 Ltd | Transport & logistics | 2026 |
| Dinkydoo Ltd | Information & communication | 2021 |
| Dinner and Friend Limited | Wholesale & retail | 2018 |
| Dinnerpay Ltd | Information & communication | 2014 |
| Dinosaur Fitness Ltd | Arts & recreation | 2023 |
| Dinu & Sons Solutions Ltd | Transport & logistics | 2020 |
| DIO Properties Ltd | Construction | 2021 |
| Diode Solutions Globel Limited | Professional & scientific | 2024 |
| Dionne Markland Ltd | Extraterritorial | 2024 |
| Diop Marketing Limited | Wholesale & retail | 2025 |
| Diop’S Seller Ltd | Wholesale & retail | 2025 |
| Diorite Consultancy Limited | Information & communication | 2022 |
| Diorite Technology Limited | Information & communication | 2012 |
| Diplomatic Express Ltd | Wholesale & retail | 2020 |
| Dipped-Uk Ltd | Hospitality | 2025 |
| Dipper Bridge Limited | Wholesale & retail | 2020 |
| Dipyum Ltd | Wholesale & retail | 2020 |
| DIR Store Ltd | Wholesale & retail | 2023 |
| Direct 2 Management Company Limited | Real estate | 2000 |
| Direct 2 Public Ltd | Wholesale & retail | 2025 |
| Direct 2 Store Ltd | Information & communication | 2023 |
| Direct Accident Care Limited | Administrative & support | 2009 |