| Discount Cards ( Burnley ) Limited | Wholesale & retail | 2018 |
| Discount Cards (Bolton) Limited | Wholesale & retail | 2006 |
| Discover Aesthetic Doctors Limited | Public administration | 2021 |
| Discover Dermatology Limited | Health & social care | 2015 |
| Discover Laser Group Limited | Professional & scientific | 2015 |
| Discover Laser Hair Removal Ltd | Health & social care | 2019 |
| Discover Laser Limited | Health & social care | 2007 |
| Discovery Lane Limited | Extraterritorial | 2017 |
| Dixon Street Properties Ltd | Real estate | 2020 |
| DIY Retail Shop Limited | Other services | 2026 |
| Dizy International Ltd | Wholesale & retail | 2022 |
| DJ Travels Ltd | Administrative & support | 2025 |
| DJA Eco Ltd | Administrative & support | 2012 |
| DJP Construction (Burnley) Limited | Construction | 1983 |
| Djvh Enterprises Limited | Information & communication | 2025 |
| DK GAS Services (Burnley) Ltd | Construction | 2022 |
| DLC Transport and Recovery Ltd | Wholesale & retail | 2025 |
| DLH Professional Services Limited | Administrative & support | 2016 |
| DLM Properties (Lancs) Ltd | Real estate | 2024 |
| DLR (Lytham) Limited | Financial services | 2024 |
| DLW Building Services Ltd | Construction | 2025 |
| DMA Newsmarket Limited | Information & communication | 2005 |
| DNL6 UK Limited | Wholesale & retail | 2021 |
| Dobe Construction Ltd | Construction | 2025 |
| DOC Redeye Productions Ltd | Other services | 2025 |
| Dockers Inn Limited | Hospitality | 2019 |
| Doctor Diesel Ltd | Manufacturing | 2024 |
| Docu Anonymous Limited | Professional & scientific | 2025 |
| Dolce Vita Pizza & Pizza Limited | Hospitality | 2022 |
| Dollar East Money Transfer Limited | Financial services | 2008 |
| Domicilium Ltd | Construction | 2008 |
| Donald Race & Newton Solicitors Limited | Professional & scientific | 2013 |
| Donna Marie Andrews Limited | Extraterritorial | 2022 |
| Donnachaidh Investment Company Ltd | Financial services | 2024 |
| Donnelly Estates Ltd | Real estate | 2024 |
| Door Art Ltd | Real estate | 2021 |
| DOOR4 Limited | Information & communication | 2003 |
| Doortec Lift Services Limited | Manufacturing | 2012 |
| Dore Staffing Solutions Limited | Hospitality | 2019 |
| Dosa Health Ltd | Health & social care | 2023 |
| Dotcom Partnership Limited | Financial services | 1998 |
| Double MM Property Ltd | Real estate | 2026 |
| Doublemmpropertyltd Ltd | Real estate | 2026 |
| Doughball Pizza Ltd | Manufacturing | 2012 |
| Douglas Battery Storage Ltd | Real estate | 2023 |
| Douglas Hall Kennels Ltd | Wholesale & retail | 2013 |
| Down at the Social Limited | Professional & scientific | 2011 |
| DP Building Ltd | Construction | 2017 |
| DP Holdings Midlands Limited | Financial services | 2025 |
| DPH Investments Ltd | Financial services | 2023 |
| DQL (2007) Limited | Financial services | 2007 |
| DR Al-Amin Ltd | Health & social care | 2010 |
| DR Faisal Medical Services Ltd | Health & social care | 2026 |
| DR Hinna Kausar Limited | Health & social care | 2024 |
| DR. I Akbar Ltd | Health & social care | 2025 |
| DR. Q.M. Jehangir General Medical Practice Ltd | Health & social care | 2011 |
| Drago Restaurants Ltd | Hospitality | 2020 |
| Dragon Group Services Ltd | Construction | 2023 |
| Dragon Management Solutions Limited | Professional & scientific | 2013 |
| Dragon SIP Tech Ltd | Manufacturing | 2025 |
| Drake Group Consulting Ltd | Professional & scientific | 2010 |
| Drakewood Holdings Ltd | Real estate | 2024 |
| Draw Ledger Ltd | Professional & scientific | 2012 |
| Draw Support Ltd | Administrative & support | 2013 |
| Dream Logistics Limited | Transport & logistics | 2025 |
| Dream Sphere Ltd | Wholesale & retail | 2025 |
| Dreambase Limited | Professional & scientific | 2009 |
| Drink Express Ltd | Wholesale & retail | 2015 |
| Drink Express Padiham Ltd | Wholesale & retail | 2025 |
| Drippers Limited | Hospitality | 2022 |
| Dripuniqueuk Ltd | Wholesale & retail | 2023 |
| Drivers Building & Roofing Ltd | Construction | 2026 |
| DRN Financial Management LLP | | 2010 |
| Drop Consultancy Ltd | Information & communication | 2008 |
| Drop the Beat Limited | Administrative & support | 2017 |
| DRT Investments Ltd | Real estate | 2017 |
| DRV Electrical Ltd | Construction | 2019 |
| DRY Clough Farm (Management) Limited | Real estate | 2004 |
| DS Risk Management Ltd | Information & communication | 2014 |
| DSB General Construction Ltd | Construction | 2023 |
| DSC Construction & Sons Ltd | Construction | 2019 |
| Dspv Distribution Limited | Wholesale & retail | 2025 |
| DT Rail Services Limited | Construction | 2014 |
| Dtec Group Ltd | Wholesale & retail | 2022 |
| DTW Welding, Fabrication and Engineering Services Ltd | Professional & scientific | 2026 |
| DUA Travels and Tours Limited | Administrative & support | 2024 |
| Dubliner Farm Ltd | Agriculture & fishing | 2020 |
| Dugdale Aviation Services Ltd | Professional & scientific | 2025 |
| Dugdale Davies Pet Treats Limited | Wholesale & retail | 2005 |
| Dukaan Ltd | Information & communication | 2010 |
| Duncan Bell-Paris Portfolio Ltd | Real estate | 2018 |
| Dunnokshaw Commercials Ltd | Wholesale & retail | 2026 |
| Durani Foods Ltd | Hospitality | 2014 |
| Durkin Premier Landscapes Ltd | Administrative & support | 2013 |
| DW Mcclymont Limited | Professional & scientific | 2005 |
| Dxcomm Limited | Information & communication | 2022 |
| Dynamic Auto Hub Ltd | Wholesale & retail | 2022 |
| Dynamic Ph&C Ltd | Construction | 2025 |
| Dynamic Pulse Limited | Wholesale & retail | 2024 |
| E & M Property Solutions Ltd | Real estate | 2017 |