| Dexyet Group Ltd | Wholesale & retail | 2025 |
| DEY Estates UK Limited | Real estate | 2022 |
| DEY2DEY Estates Ltd | Real estate | 2020 |
| DEY2DEY Properties Limited | Real estate | 2026 |
| Deyako Ltd | Information & communication | 2018 |
| Deyfer Renovations Ltd | Construction | 2025 |
| Deysbrook Ltd | Wholesale & retail | 2022 |
| Deysbrook Village Centre | Other services | 2006 |
| Deytodey Ltd | Real estate | 2019 |
| DEZ 84 Limited | Arts & recreation | 2019 |
| Dezire Homes Ltd | Construction | 2025 |
| DF Decoration Limited | Construction | 2020 |
| DF Social Ltd | Information & communication | 2024 |
| Dfamilycrew Ltd | Wholesale & retail | 2025 |
| DFB Heating and Energy Ltd | Construction | 2025 |
| DFB Plumbing and Heating Ltd | Construction | 2018 |
| DFC Property (Liverpool) Limited | Real estate | 2017 |
| DFF Stockpile Ltd | Wholesale & retail | 2024 |
| DFJ Consulting Ltd | Professional & scientific | 2023 |
| DFJ Events Ltd | Administrative & support | 2025 |
| DFJ Services Limited | Professional & scientific | 2026 |
| DFK UK & Ireland Limited | Other services | 2005 |
| DFW Sales Limited | Wholesale & retail | 2006 |
| DG Capital Trading UK Ltd | Wholesale & retail | 2022 |
| DG GAS & Heating Ltd | Construction | 2025 |
| DG Jones Contracting Ltd | Health & social care | 2025 |
| DGD Express Transport Ltd | Transport & logistics | 2023 |
| DGH Engineering Services Limited | Professional & scientific | 2003 |
| DGI Construction Ltd | Construction | 2022 |
| Dgjcareservices Ltd | Health & social care | 2025 |
| DGK Estate Holdings Ltd | Real estate | 2019 |
| DGL86 Properties Ltd | Extraterritorial | 2024 |
| DGM Bespoke Limited | Manufacturing | 2025 |
| DGM Bespoke Liverpool Ltd | Manufacturing | 2025 |
| DGR Restaurants Limited | Hospitality | 2017 |
| DGS Data-Stream Ltd | Information & communication | 2012 |
| DGS Electrical Solutions Ltd | Construction | 2017 |
| DGS11 Ltd | Professional & scientific | 2012 |
| DH Accountants & Tax Advisors Ltd | Professional & scientific | 2009 |
| DH Heating and GAS Ltd | Construction | 2025 |
| DH Holdings (NW) Limited | Administrative & support | 2015 |
| DH MS NW Ltd | Wholesale & retail | 2025 |
| DH Residential Limited | Households | 2020 |
| DH Travel Ltd | Transport & logistics | 2025 |
| Dhala Business Group Ltd | Other services | 2023 |
| Dhala News Agents Limited | Wholesale & retail | 2015 |
| Dhalko Ltd | Wholesale & retail | 2022 |
| Dhara Heatman Limited | Professional & scientific | 2019 |
| Dhat Holdings Limited | Real estate | 2019 |
| DHC Rail Limited | Construction | 2025 |
| DHD Contracts Limited | Construction | 2026 |
| Dhdc Properties Limited | Real estate | 2026 |
| DHE Tech Limited | Professional & scientific | 2022 |
| Dhfp Ltd | Professional & scientific | 2016 |
| Dhiya's Worlds Foods Supermarket Ltd | Wholesale & retail | 2025 |
| Dhlbm Limited | Households | 2025 |
| Dhliwayo Faith 0467 Limited | Health & social care | 2014 |
| Dhmj One Trading Limited | Agriculture & fishing | 2016 |
| Dhmj Two Trading Limited | Agriculture & fishing | 2016 |
| DHP Holdings (NW) Limited | Real estate | 2019 |
| DHT 86 Limited | Hospitality | 2025 |
| DHW Architects Limited | Professional & scientific | 2014 |
| Diadem Solutions Ltd | Information & communication | 2023 |
| Diagnostic Imaging Solutions Ltd | Health & social care | 2019 |
| Dialect Solutions Ltd | Hospitality | 2020 |
| Dialogically Ltd | Information & communication | 2020 |
| Dialogue Language Services International Limited | Professional & scientific | 1998 |
| Diamond 8 Real Estate Ltd | Real estate | 2026 |
| Diamond 8 Retail Ltd | Wholesale & retail | 2024 |
| Diamond Building Contractors Ltd | Construction | 2020 |
| Diamond Catering Liverpool Ltd | Manufacturing | 2022 |
| Diamond EAR WAX Removal Ltd | Health & social care | 2025 |
| Diamond Eclipse Travel Ltd | Transport & logistics | 2026 |
| Diamond Environmental Limited | Professional & scientific | 1991 |
| Diamond Garage Ltd | Wholesale & retail | 2024 |
| Diamond General Motors Ltd | Wholesale & retail | 2024 |
| Diamond Joinery Ltd | Construction | 2002 |
| Diamond Luxury Services Ltd | Other services | 2020 |
| Diamond of the Season Ltd | Wholesale & retail | 2025 |
| Diamond Power Limited | Manufacturing | 2025 |
| Diamond Quality Home Cleaning Service Ltd | Administrative & support | 2024 |
| Diamond Shisha Ltd | Wholesale & retail | 2024 |
| Diamonds of Happiness Ltd | Wholesale & retail | 2018 |
| Diana Culey Green Ltd | Other services | 2025 |
| Diana's House Trading Limited | Professional & scientific | 2019 |
| Diane Kenny Accountancy & Taxation Services Limited | Professional & scientific | 2015 |
| Diane Rourke Ltd | Professional & scientific | 2024 |
| Dianne Marshall Hair Extensions Limited | Other services | 2005 |
| Dianne Marshall Limited | Extraterritorial | 2009 |
| Diary Master Limited | Professional & scientific | 2021 |
| Dicce Ltd | Professional & scientific | 2019 |
| Dickerson Group Limited | Financial services | 2022 |
| Dickerson Kirby Gilkes Limited | Professional & scientific | 2015 |
| Dickinson Building Services Limited | Construction | 2004 |
| Dickson O'Brien Associates Limited | Administrative & support | 2008 |
| Dics Emporium Limited | Health & social care | 2022 |
| Dida Engineering Limited | Professional & scientific | 2010 |
| Didalot Ltd | Information & communication | 2026 |
| Didoly International Limited | Wholesale & retail | 2020 |
| Diesel Power Systems NW Ltd | Professional & scientific | 2021 |