| D B Building Restoration Ltd | Construction | 2014 |
| D B L Transport Ltd | Transport & logistics | 2026 |
| D Beez Consulting Ltd | Professional & scientific | 2023 |
| D Broddell Joinery Limited | Construction | 2010 |
| D C Anderson Limited | Information & communication | 2012 |
| D C Curtis Building Contractors Limited | Construction | 2005 |
| D C Installations Systems Ltd | Administrative & support | 2011 |
| D C S Development & Management Limited | Real estate | 2008 |
| D Camm Holdings Limited | Other services | 2023 |
| D Chapman Joinery Limited | Construction | 2025 |
| D Clifford & Sons Limited | Agriculture & fishing | 2017 |
| D Cole Solutions Limited | Professional & scientific | 2011 |
| D D & W Groundworks Limited | Construction | 2003 |
| D Fardell Building Services Ltd | Construction | 2017 |
| D Ferris Limited | Administrative & support | 2013 |
| D G Heating Limited | Construction | 2003 |
| D G Private Hire Holdings Limited | Professional & scientific | 2001 |
| D H Development Properties Ltd | Real estate | 2020 |
| D H Squire Consulting Engineers LLP | | 2017 |
| D Harrison and Sons Ltd | Water & waste | 2020 |
| D Hogg International Limited | Transport & logistics | 2009 |
| D Hotels Limited | Hospitality | 2011 |
| D House Nottingham Ltd | Real estate | 2026 |
| D J B Solutions Limited | Administrative & support | 2004 |
| D J Estate Management Limited | Real estate | 2020 |
| D J Hill Electrician Ltd | Manufacturing | 2010 |
| D J Hill Surveys Ltd | Professional & scientific | 2015 |
| D J Orme Plumbing and Heating Repairs Ltd | Construction | 2026 |
| D J Properties (Midlands) Limited | Real estate | 2013 |
| D J Richmond Ltd | Construction | 2014 |
| D J'S Passenger Transport Limited | Transport & logistics | 2016 |
| D Jackson Security Limited | Construction | 2004 |
| D Johnson Electrical Limited | Construction | 2015 |
| D K and C Holdings Limited | Real estate | 2020 |
| D K B Builders Ltd | Construction | 2024 |
| D K Estates Limited | Real estate | 2006 |
| D K Landscaping Limited | Administrative & support | 2026 |
| D K Marble & Granite Limited | Manufacturing | 2005 |
| D K Patrick Ltd | Construction | 2003 |
| D K Quality Solutions Ltd | Professional & scientific | 2018 |
| D Kyritsi Ltd | Health & social care | 2026 |
| D L Chapman Limited | Construction | 2003 |
| D L Construction Consultants Ltd | Professional & scientific | 2002 |
| D L Express Ltd | Transport & logistics | 2019 |
| D L Fabrications Nottm Ltd | Manufacturing | 2020 |
| D L Lighting Maintenance Ltd | Construction | 2006 |
| D L Mechanical Nottm Ltd | Construction | 2005 |
| D M Gittins Ltd | Professional & scientific | 2025 |
| D P Compliance Ltd | Professional & scientific | 2018 |
| D Phillips Building Services Ltd | Construction | 2024 |
| D Powercons Ltd | Construction | 2025 |
| D R Engineering Solutions Ltd | Professional & scientific | 2025 |
| D R J Franklin (2022) Limited | Professional & scientific | 2022 |
| D R Palmer Electrical Limited | Extraterritorial | 2019 |
| D Retka Transport Ltd | Transport & logistics | 2023 |
| D S P Holdings 2011 Limited | Financial services | 2011 |
| D Star Music Ltd | Administrative & support | 2025 |
| D T Health Care Ltd | Health & social care | 2013 |
| D W Ball Project Management & Construction Ltd | Construction | 2003 |
| D Walker Estates Limited | Real estate | 2011 |
| D&A Property Care Ltd | Administrative & support | 2012 |
| D&B Building Soultions Ltd | Construction | 2025 |
| D&B Deliveries Ltd | Transport & logistics | 2022 |
| D&B Landscapes Ltd | Administrative & support | 2019 |
| D&D Capital Partners Limited | Financial services | 2025 |
| D&D Construction & Building Services Ltd | Construction | 2023 |
| D&D Cycles Limited | Wholesale & retail | 2016 |
| D&D Properties (East Midlands) Ltd | Real estate | 2022 |
| D&D&A Property Service Ltd | Construction | 2025 |
| D&G Bakery Equipment Limited | Hospitality | 2025 |
| D&G Management Solutions Limited | Real estate | 2023 |
| D&G PVT Limited | Wholesale & retail | 2025 |
| D&H Best Choice Delivery Ltd | Transport & logistics | 2023 |
| D&H Kitchen Ltd | Hospitality | 2025 |
| D&J Simply Property Ltd | Real estate | 2018 |
| D&K Garden Services Ltd | Construction | 2020 |
| D&K Logistics Ltd | Construction | 2017 |
| D&K Nottingham Builders Limited | Construction | 2020 |
| D&K Property Investments Ltd | Real estate | 2021 |
| D&M Building and Maintenance Services Ltd | Construction | 2019 |
| D&M Courier Transport Ltd | Transport & logistics | 2020 |
| D&M Masons Limited | Manufacturing | 2024 |
| D&M Property Group Holdings Ltd | Financial services | 2025 |
| D&M Residential Holdings LLP | | 2016 |
| D&M Residential Properties Limited | Real estate | 2018 |
| D&M Shopfitting Ltd | Construction | 2009 |
| D&O 888 Limited | Hospitality | 2026 |
| D&Q Investment Ltd | Real estate | 2025 |
| D&R Affordable Living Community Interest Company | Hospitality | 2015 |
| D&R Dwellings Limited | Real estate | 2025 |
| D&S Developments (Nottingham) Ltd | Construction | 2019 |
| D&S Letting Services Limited | Real estate | 2014 |
| D&S Plumbing Solutions Ltd | Construction | 2023 |
| D&S Services (London) Ltd | Hospitality | 2015 |
| D&U Financial Consultants Ltd | Professional & scientific | 2024 |
| D&Y Building Ltd | Construction | 2024 |
| D'Artiste Ltd | Wholesale & retail | 2024 |
| D'N'A Painting & Decorating Ltd | Construction | 2018 |
| D'S Delicatessen Ltd | Hospitality | 2016 |
| D-Cyberhero Limited | Information & communication | 2026 |