| Dollies Developments Ltd | Construction | 2021 |
| Domcare Group Ltd | Health & social care | 2021 |
| Domcare Limited | Health & social care | 2005 |
| Dome Collective Ltd | Construction | 2025 |
| Domestic Boiler Spares Ltd | Wholesale & retail | 2022 |
| Domesticare Ltd | Health & social care | 2026 |
| Dominic Murphy & Co. Real Estate Limited | Real estate | 2013 |
| Donaldson Interlink Properties LLP | | 2019 |
| Donaldson Property Management Limited | Real estate | 2020 |
| Donaldson-Perrott Commerce Ltd | Professional & scientific | 2001 |
| Done OR Dusted Limited | Administrative & support | 2010 |
| Doobys Nails Limited | Wholesale & retail | 2018 |
| Doodles PRE School Limited | Health & social care | 2021 |
| Doran Group Limited | Financial services | 2025 |
| Dorchester Gate Management Company Limited | Households | 2014 |
| Doricionic Properties Limited | Real estate | 2017 |
| Dormer Place Management Company Limited | Administrative & support | 2012 |
| Dorn Enterprisers Limited | Wholesale & retail | 2014 |
| Dorridge 938 Limited | Hospitality | 2024 |
| Dorridge Auto Limited | Wholesale & retail | 1986 |
| Dorridge Cricket Club | Arts & recreation | 2026 |
| Dorridge Decorators Limited | Construction | 2014 |
| Dorridge Developments Limited | Real estate | 2023 |
| Dorridge Estates Limited | Real estate | 1936 |
| Dorstan Holdings Limited | Professional & scientific | 2024 |
| Dorstan Limited | Construction | 2017 |
| DOT Surveying Ltd | Construction | 2020 |
| Dots Digital Ltd | Information & communication | 2021 |
| Dots Technical Solutions Ltd | Professional & scientific | 2019 |
| Double Apex Limited | Professional & scientific | 2006 |
| Double B Courier Ltd | Transport & logistics | 2023 |
| Double BAG Ltd | Wholesale & retail | 2021 |
| Double Five Management Limited | Professional & scientific | 2025 |
| Double Vision Enterprises Limited | Wholesale & retail | 2025 |
| Douche Property Solutions Ltd | Real estate | 2026 |
| Dougalearth Ltd | Professional & scientific | 2011 |
| Douglas (2004) Limited | Real estate | 2016 |
| Dove Home Care Agency Limited | Health & social care | 2005 |
| Dove House Homes Ltd | Real estate | 2025 |
| Dove House Residential Home Limited | Health & social care | 2004 |
| Dove Nationwide Care Limited | Health & social care | 2024 |
| Dove Property Investments Ltd | Real estate | 2018 |
| Dovehouse Court Limited | Households | 1996 |
| Dovehouse Greetings Limited | Wholesale & retail | 2019 |
| Dovehouse Limited | Health & social care | 2022 |
| Dovehouse Practice Limited | Health & social care | 2022 |
| Dovehouse Psychology Services Limited | Health & social care | 2019 |
| Dovehouse Solutions Ltd | Information & communication | 2020 |
| Dowen Estates Ltd | Real estate | 2024 |
| Dowen Limited | Professional & scientific | 2016 |
| Down Field Surveying Ltd | Professional & scientific | 2016 |
| Down to Earth Electrics (Solihull) Ltd | Manufacturing | 2013 |
| Downing Dental Limited | Health & social care | 2020 |
| Downing Evesham Ltd | Health & social care | 2026 |
| Downs Road (Witney) Management Company Limited | Households | 2018 |
| Downton Shabby Ltd | Arts & recreation | 2024 |
| Dowtk Limited | Financial services | 2023 |
| Doxa Catering Ltd | Hospitality | 2019 |
| Doycon Limited | Information & communication | 2013 |
| Doyle International Ltd | Professional & scientific | 2020 |
| DP Quality Contractors Ltd | Professional & scientific | 2018 |
| Dpcs Ltd | Information & communication | 2004 |
| DPD Aerospace Ltd | Professional & scientific | 2019 |
| Dper Property Solutions Ltd | Real estate | 2026 |
| DR 7DAYS Limited | Wholesale & retail | 2025 |
| DR a Karim Limited | Health & social care | 2012 |
| DR AMY Wilbraham Consultant Radiologist Ltd | Health & social care | 2021 |
| DR ASH & Co Ltd | Health & social care | 2025 |
| DR DEV Smiles Ltd | Health & social care | 2023 |
| DR Haseena I Ltd | Health & social care | 2016 |
| DR J Adamson & Co Ltd | Health & social care | 2024 |
| DR Khan Rheumatology Services Ltd | Health & social care | 2017 |
| DR Laura Bolger Ltd | Professional & scientific | 2022 |
| DR Liya Jacob Ltd | Health & social care | 2021 |
| DR Nunkoo Ltd | Health & social care | 2025 |
| DR R.Gul Locum Ltd | Health & social care | 2014 |
| DR Razan Company Ltd | Health & social care | 2021 |
| DR S&D Ltd | Health & social care | 2026 |
| DR Shahed Yousaf Services Limited | Health & social care | 2012 |
| DR US Hassan Ltd | Health & social care | 2007 |
| DR YAU Healthcare Limited | Health & social care | 2026 |
| DR YAU Medical Ltd | Health & social care | 2017 |
| DR Zeus Live Entertainment Limited | Arts & recreation | 2023 |
| DR Zeus Worldwide Limited | Information & communication | 2014 |
| DR ZM Dent Ltd | Health & social care | 2024 |
| DR. Mary MGM Ltd. | Wholesale & retail | 2019 |
| DR. YS Consulting Ltd | Professional & scientific | 2024 |
| Dragon Phoenix Enterprises Limited | Real estate | 2024 |
| Dragon Phoenix Living Limited | Real estate | 2026 |
| Dragon Retail 529 Limited | Wholesale & retail | 2025 |
| Dragonsrail Limited | Professional & scientific | 2012 |
| Draintech Services (Midlands) Limited | Administrative & support | 2007 |
| Drayton Meadows Management Company Limited | Households | 2017 |
| Drdr Advisory Limited | Professional & scientific | 2018 |
| Dream Academy Global Ltd | Arts & recreation | 2023 |
| Dream Bitez Limited | Wholesale & retail | 2023 |
| Dream Makers Fund Raising Services Ltd | Other services | 2007 |
| Dreamcoat Decorators Ltd | Construction | 2022 |
| Dreams of Tomorrow Limited | Professional & scientific | 2022 |
| Dreamy Candles by Cathy and Sheila LLP | | 2026 |