| Derby Motors Limited | Wholesale & retail | 2024 |
| Derby Mountain Rescue Team | Other services | 2001 |
| Derby Museums | Arts & recreation | 2012 |
| Derby Museums Enterprises Limited | Arts & recreation | 2012 |
| Derby Orthodontics Limited | Health & social care | 2012 |
| Derby Payroll Services Limited | Extraterritorial | 2016 |
| Derby Pest Control Service Limited | Administrative & support | 2024 |
| Derby Phones Limited | Wholesale & retail | 2020 |
| Derby Pizza Limited | Hospitality | 2024 |
| Derby Plates Limited | Manufacturing | 2025 |
| Derby Plumbing & GAS Services Limited | Construction | 2019 |
| Derby Plumbing & Heating Ltd | Construction | 2010 |
| Derby Plumbing Supplies Ltd | Wholesale & retail | 2011 |
| Derby Podiatry Practice Ltd | Health & social care | 2015 |
| Derby Poetry Festival CIC | Education | 2017 |
| Derby Prestige Cars Limited | Wholesale & retail | 2014 |
| Derby Prestige Fencing & Landscapes Ltd | Manufacturing | 2019 |
| Derby Prime Electrical Ltd | Construction | 2026 |
| Derby Printing Ltd | Manufacturing | 2020 |
| Derby Pristine Cleaning Ltd | Administrative & support | 2026 |
| Derby Properties HMO Ltd | Real estate | 2022 |
| Derby Properties Letting INT Ltd | Real estate | 2025 |
| Derby Properties Refurb Ltd | Real estate | 2022 |
| Derby Properties Services Ltd | Households | 2022 |
| Derby Property Developments Limited | Real estate | 2018 |
| Derby Property Management Ltd | Real estate | 2022 |
| Derby Property Services Ltd | Construction | 2024 |
| Derby Psychology Limited | Health & social care | 2014 |
| Derby Quad Enterprises Limited | Hospitality | 2008 |
| Derby Quad Limited | Information & communication | 2005 |
| Derby RAJ Limited | Hospitality | 2024 |
| Derby RAM Limited | Wholesale & retail | 2018 |
| Derby Rams Hire Ltd | Transport & logistics | 2025 |
| Derby Raynet | Information & communication | 2017 |
| Derby Removals & Storage Limited | Transport & logistics | 2010 |
| Derby Rentals Limited | Real estate | 2017 |
| Derby Road Projects Limited | Construction | 2018 |
| Derby Roti Curry Junction Limited | Hospitality | 2026 |
| Derby Rowing Club Ltd | Arts & recreation | 2024 |
| Derby Rugby Football Club Limited | Other services | 2010 |
| Derby S.A.M.E. Appeal | Health & social care | 1983 |
| Derby Same Day Ltd | Transport & logistics | 2025 |
| Derby School of Music Limited | Other services | 2015 |
| Derby Send Academy Ltd | Education | 2023 |
| Derby Shopmobility Ltd | Other services | 2013 |
| Derby Shutters UK Ltd | Manufacturing | 2025 |
| Derby Sign & Graphics Ltd. | Manufacturing | 2010 |
| Derby Smart Move Ltd | Real estate | 2018 |
| Derby Society of Model and Experimental Engineers Limited | Professional & scientific | 1997 |
| Derby Sound Community Radio CIC | Information & communication | 2022 |
| Derby Spice Ltd | Manufacturing | 2022 |
| Derby SS Ltd | Wholesale & retail | 2020 |
| Derby Stars Ltd | Arts & recreation | 2020 |
| Derby Stoves & Fires Limited | Other services | 2016 |
| Derby Strand Properties Limited | Real estate | 1925 |
| Derby Street Management Limited | Hospitality | 2014 |
| Derby Student Homes Ltd | Real estate | 2023 |
| Derby Supply Company Limited | Wholesale & retail | 2020 |
| Derby Tailor Shop Limited | Manufacturing | 2019 |
| Derby Tiling Company Limited | Construction | 2008 |
| Derby Timber Supplies Limited | Wholesale & retail | 2019 |
| Derby Trade Cars Limited | Wholesale & retail | 2006 |
| Derby Trade Windows Ltd | Construction | 2025 |
| Derby Transit Centre (AW) Ltd | Wholesale & retail | 2013 |
| Derby Transit Centre Limited | Wholesale & retail | 1999 |
| Derby Transport (M.A) Limited | Transport & logistics | 2021 |
| Derby Tree and Garden Services Limited | Agriculture & fishing | 2025 |
| Derby Triple Glazing Ltd | Extraterritorial | 2010 |
| Derby TV Ltd | Other services | 2026 |
| Derby TV Repair Specialists Ltd | Other services | 2026 |
| Derby Tyre & Services Limited | Other services | 2018 |
| Derby Uncovered CIC | Professional & scientific | 2023 |
| Derby Uncovered Group Limited | Professional & scientific | 2022 |
| Derby Unitex Limited | Manufacturing | 2010 |
| Derby Vehicle Sales Ltd | Wholesale & retail | 2023 |
| Derby Vehicle Solutions Ltd | Wholesale & retail | 2017 |
| Derby Waste Removal Ltd | Water & waste | 2019 |
| Derby Wholesale Holding Ltd | Financial services | 2020 |
| Derby Women's Centre | Education | 2010 |
| Derbymaxillofacial Ltd | Health & social care | 2023 |
| DERBYPROPERTY4U.COM Limited | Real estate | 2011 |
| Derbys Future Installations Limited | Construction | 2005 |
| Derbyshire Agricultural and Horticultural Society Limited | Other services | 1984 |
| Derbyshire Antiques Limited | Wholesale & retail | 2021 |
| Derbyshire Architectural Salvage Limited | Wholesale & retail | 2026 |
| Derbyshire Association of the Blind Ltd | Other services | 2000 |
| Derbyshire Audiological Services Ltd | Wholesale & retail | 2025 |
| Derbyshire Brewing Company Limited | Extraterritorial | 2017 |
| Derbyshire Care Services Ltd | Health & social care | 2011 |
| Derbyshire Cars UK Ltd | Transport & logistics | 2025 |
| Derbyshire Cleaning Ltd | Administrative & support | 2024 |
| Derbyshire Cleaning Services Limited | Administrative & support | 2007 |
| Derbyshire Commercial Properties Limited | Real estate | 2025 |
| Derbyshire Community Sports Club Ltd | Other services | 2019 |
| Derbyshire Community Supported Agriculture CIC | Agriculture & fishing | 2021 |
| Derbyshire Community Ventures CIC | Arts & recreation | 2024 |
| Derbyshire Contracting Services Ltd | Construction | 1997 |
| Derbyshire Contracting Solutions Ltd | Construction | 2022 |
| Derbyshire Contracts Limited | Construction | 2009 |
| Derbyshire Counselling Services Ltd | Extraterritorial | 2025 |