| Daytripper Liverpool Ltd | Administrative & support | 2017 |
| Dazzl Ltd | Administrative & support | 2025 |
| DB Adhd Consultancy Ltd | Health & social care | 2021 |
| DB App Ltd | Information & communication | 2025 |
| DB Brickwork & Construction Limited | Construction | 2018 |
| DB Consultancy Liaison Ltd | Professional & scientific | 2025 |
| DB Digital Content Services Ltd | Professional & scientific | 2020 |
| DB Elec Group Ltd | Construction | 2025 |
| DB Executive Ltd | Transport & logistics | 2023 |
| DB Group (Holdings) Limited | Manufacturing | 1985 |
| DB Installations (UK) Ltd | Construction | 2005 |
| DB Pipework Ltd | Manufacturing | 2024 |
| DB Waste Management Ltd | Water & waste | 2026 |
| DBA 2 Properties Ltd | Real estate | 2025 |
| Dbcontractorz Ltd | Construction | 2025 |
| DBD Digital Limited | Information & communication | 2008 |
| Dbeacon Ltd | Wholesale & retail | 2025 |
| DBF Leasing Ltd | Administrative & support | 2025 |
| DBF Vehicle Rental Limited | Administrative & support | 2017 |
| DBH Consultancy Services Limited | Administrative & support | 2016 |
| DBJ Steel Limited | Construction | 2023 |
| DBL Construction Services Limited | Other services | 2021 |
| DBP Project Services Limited | Construction | 2015 |
| DBS Capital Limited | Professional & scientific | 2017 |
| DBS Corporate Accountants Limited | Professional & scientific | 2015 |
| DBS Corporate Auditors Limited | Professional & scientific | 2017 |
| DBS Corporate Financial Services Limited | Administrative & support | 2017 |
| DBS Corporate Payroll Services Limited | Professional & scientific | 2017 |
| DBS Financial Systems Ltd. | Information & communication | 1990 |
| DBS Group U.K Limited | Administrative & support | 2017 |
| DBS Solutions (North West) Ltd | Administrative & support | 2011 |
| Dbsco 111 Limited | Professional & scientific | 2009 |
| DC Consultantcy Services Ltd | Professional & scientific | 2024 |
| DC Damp & Construction Ltd | Construction | 2023 |
| DC DRY ROT & Condensation Ltd | Construction | 2024 |
| DC Electrical (NW) Limited | Construction | 2016 |
| DC Elite Logistics Limited | Transport & logistics | 2025 |
| DC Foods Chester Ltd | Hospitality | 2024 |
| DC FX Trading Ltd | Financial services | 2026 |
| DC Installations NW Ltd | Construction | 2025 |
| DC Integral Engineering Ltd | Professional & scientific | 2024 |
| DC Medical Group Ltd | Health & social care | 2025 |
| DC Property & Assets Ltd | Real estate | 2020 |
| DC Real Ltd | Transport & logistics | 2019 |
| DC Roofing Northwest Ltd | Construction | 2021 |
| DCA Telecommunications Ltd | Information & communication | 2018 |
| DCE Commercial Engineers Ltd | Hospitality | 2010 |
| Dceil Holdings Ltd | Financial services | 2020 |
| DCG Marketing Ltd | Professional & scientific | 2026 |
| Dch.Properties Limited | Real estate | 2024 |
| DCI 2 Limited | Financial services | 2021 |
| DCI 3 Limited | Financial services | 2021 |
| DCI 4 Limited | Financial services | 2022 |
| DCI 5 Limited | Financial services | 2022 |
| DCI 6 Limited | Financial services | 2025 |
| Dckt Consultancy Limited | Professional & scientific | 2018 |
| Dcloptics Ltd | Wholesale & retail | 2021 |
| DCM Associate Services Ltd | Professional & scientific | 2022 |
| DCM Construction & Maintenance Limited | Construction | 2017 |
| DCM Construction Ltd | Construction | 2017 |
| Dcmr Rail Ltd | Construction | 2018 |
| DCR Logistics Limited | Transport & logistics | 2018 |
| DCS Property Investors Ltd | Real estate | 2019 |
| Dcsc Events Ltd | Arts & recreation | 2023 |
| Dcskh Limited | Administrative & support | 2024 |
| Dcsn Driver Hire Ltd | Transport & logistics | 2022 |
| Dcsupplier Limited | Wholesale & retail | 2022 |
| DCW Civil Engineering Company Limited | Construction | 2007 |
| DCW Ventures Ltd | Professional & scientific | 2021 |
| DD Corner Ltd | Hospitality | 2024 |
| DD Kitchen Ltd | Hospitality | 2024 |
| DD Property Development Limited | Construction | 2014 |
| DD Wilson GAS and Heating Engineers Ltd | Construction | 2022 |
| DDC Properties NW Ltd | Real estate | 2026 |
| DDC Supported Living Services Ltd | Health & social care | 2026 |
| DDH Ventures Ltd | Hospitality | 2025 |
| Ddhc Holdings Ltd | Financial services | 2022 |
| Ddip Listed Properties Ltd | Real estate | 2022 |
| Ddivine Childcare Ltd | Education | 2025 |
| Ddivine Training Ltd | Education | 2023 |
| DDJ Property Maintenance Ltd | Construction | 2026 |
| DDK Consultancy Service Ltd | Professional & scientific | 2026 |
| DDL Limited | Administrative & support | 2009 |
| DDL Properties (NW) Limited | Other services | 2013 |
| DDL164 Limited | Administrative & support | 2012 |
| DDM Films Ltd | Information & communication | 2017 |
| Ddmg Properties Limited | Real estate | 2026 |
| Ddnt Wholesale Limited | Extraterritorial | 2024 |
| Ddrecruits Ltd | Professional & scientific | 2019 |
| Ddrf Limited | Education | 2022 |
| DDS Properties Liverpool Ltd | Real estate | 2023 |
| DDT Electrical Ltd | Construction | 2014 |
| DE Berkeley Limited | Transport & logistics | 2017 |
| DE Chelsea Limited | Health & social care | 2019 |
| DE Edge Ltd | Information & communication | 2023 |
| DE Facto 1693 Limited | Construction | 2009 |
| DE London Holdings Limited | Financial services | 2019 |
| DE Niros Takeaway Ltd | Hospitality | 2023 |
| DE Silva Medical Holdings Ltd | Health & social care | 2022 |
| DE Silva Medical Ltd | Health & social care | 2021 |