| DKC Holdings Limited | Real estate | 2016 |
| Dkke Ltd | Information & communication | 2024 |
| DKM Premier Ltd | Wholesale & retail | 2023 |
| DKP Property Investments Ltd | Real estate | 2023 |
| DKS Corporate Consulting Limited | Financial services | 2012 |
| Dksb Properties Limited | Real estate | 2022 |
| Dksk Ltd | Real estate | 2024 |
| Dksoft Ltd | Information & communication | 2024 |
| DKT Procurement Services Limited | Wholesale & retail | 2014 |
| Dktcconsultancy Ltd | Professional & scientific | 2025 |
| DKV Leicester Limited | Wholesale & retail | 2008 |
| DL Catering Limited | Hospitality | 2022 |
| DL Contracting Ltd | Wholesale & retail | 2016 |
| DL Football Coaching Limited | Administrative & support | 2023 |
| DL Health & Wellness Ltd | Health & social care | 2023 |
| DL Property Management Ltd | Real estate | 2023 |
| DL Trading Limited | Wholesale & retail | 2020 |
| DLB Consultancy Services Ltd | Health & social care | 2025 |
| DLD Group Ltd | Health & social care | 2020 |
| Dlgmusic Ltd | Wholesale & retail | 2025 |
| DLR Realty & Investment Ltd | Real estate | 2024 |
| DLS Building Contractors Ltd | Construction | 2022 |
| DLS Clinic Limited | Other services | 2018 |
| DLS Fitted Furniture Limited | Manufacturing | 2020 |
| DLS Property Developments (Leics) Ltd | Real estate | 2025 |
| DLS Resources Limited | Construction | 2023 |
| DLT Consultancy Services Ltd | Professional & scientific | 2018 |
| DLT Haulage Ltd | Transport & logistics | 2024 |
| DLT Roofing Limited | Construction | 2018 |
| DLW Company Formation Services 0025 Limited | Extraterritorial | 2013 |
| DM Coaching Limited | Administrative & support | 2025 |
| DM Consultancy Services Ltd | Professional & scientific | 2026 |
| DM Fire and Security Ltd | Administrative & support | 2025 |
| DM Flexibles Ltd | Administrative & support | 2015 |
| DM Hair & Education Ltd | Education | 2023 |
| DM Logistics (Leicester) Limited | Transport & logistics | 2018 |
| DM Pharma Limited | Health & social care | 2010 |
| DM Professionals Ltd | Professional & scientific | 2026 |
| DM Property Maintenance Limited | Construction | 2026 |
| DM Resources Limited | Administrative & support | 2025 |
| DM Solicitors Limited | Professional & scientific | 2022 |
| DM Soni Jewellers Limited | Wholesale & retail | 2021 |
| DM Trading Midlands Ltd | Wholesale & retail | 2025 |
| DMC Diagnostic and Tuning Ltd | Wholesale & retail | 2025 |
| DMC Encore Limited | Manufacturing | 2010 |
| DMC UK Properties Ltd | Households | 2023 |
| Dmc-Brand Management Ltd | Administrative & support | 2013 |
| Dmcap Ltd | Transport & logistics | 2020 |
| Dmco Holding Limited | Professional & scientific | 1970 |
| Dmco UK Holding Limited | Professional & scientific | 1996 |
| DMD Asbestos Surveys Ltd | Professional & scientific | 2025 |
| DMD Decorating Services Ltd | Construction | 2017 |
| DMD Driver Services Ltd | Transport & logistics | 2017 |
| DMD Foods Ltd | Hospitality | 2019 |
| DMF Construction Limited | Construction | 2002 |
| DMJ Safety & Engineering Ltd | Construction | 2024 |
| Dmjp Legal Services Ltd | Professional & scientific | 2021 |
| DMM Builders Ltd | Construction | 2025 |
| DMM Pharma Ltd | Health & social care | 2025 |
| DMP Estates Limited | Real estate | 2002 |
| DMP Management Ltd | Real estate | 2010 |
| Dmpling and Co Ltd | Hospitality | 2025 |
| Dmrg Limited | Real estate | 2013 |
| Dmrk Investments Ltd | Real estate | 2022 |
| Dmrt Consulting Limited | Public administration | 2023 |
| DMS Auto Leicester Ltd | Wholesale & retail | 2025 |
| DMS Home Improvements (Leicester) Ltd | Construction | 2022 |
| DMS Properties Leicester LLP | | 2018 |
| Dmscarsaleltd Ltd | Wholesale & retail | 2024 |
| Dmvx Limited | Administrative & support | 2009 |
| Dmwsl 532 Limited | Health & social care | 2006 |
| Dmwsl 533 Limited | Health & social care | 2006 |
| Dmwsl 534 Limited | Health & social care | 2006 |
| DN Brickwork Ltd | Construction | 2015 |
| DN Construction (Leic) Ltd | Construction | 2019 |
| DN Eco Friendly Cleaners Limited | Administrative & support | 2025 |
| DN Investments Ltd | Financial services | 2014 |
| DNA Data Services Ltd | Information & communication | 2022 |
| DNA MED Limited | Professional & scientific | 2012 |
| DNA Medics Ltd | Health & social care | 2018 |
| DNA Sales & Marketing Ltd | Administrative & support | 2021 |
| DNA Training Limited | Education | 2023 |
| DNB Investment Ltd | Real estate | 2025 |
| DND Autocare Ltd | Wholesale & retail | 2026 |
| DND Consulting Ltd | Wholesale & retail | 2019 |
| DND Residences Ltd | Hospitality | 2024 |
| DND Unity Ltd | Real estate | 2025 |
| Dneuro Ltd | Professional & scientific | 2025 |
| DNI Mining Shareholders Ltd | Mining & quarrying | 2012 |
| DNK Recycle Ltd | Water & waste | 2026 |
| DNM Building Contractors Limited | Construction | 2014 |
| DNP Restaurants Ltd | Hospitality | 2005 |
| DNR Group Ltd | Wholesale & retail | 2020 |
| DNV21 Ltd | Wholesale & retail | 2024 |
| Dnwretail Ltd | Professional & scientific | 2022 |
| Dnxt Ltd | Real estate | 2018 |
| DNY Properties Limited | Real estate | 2020 |
| DO8RIGHT Ltd | Administrative & support | 2008 |
| Doable Ventures Ltd | Information & communication | 2025 |
| DOAN.NO2 Limited | Health & social care | 2022 |