| Claytonautomation Ltd | Manufacturing | 2021 |
| Clean & Gleam (Midlands) Ltd | Administrative & support | 2014 |
| Clean Easy London Limited | Administrative & support | 2025 |
| Cliftway Property Investment Limited | Real estate | 2023 |
| Cloudee Ltd | Information & communication | 2017 |
| Co-Host Success Ltd | Real estate | 2023 |
| Coastal Retreats North Ltd | Real estate | 2023 |
| Cognoisette Limited | Extraterritorial | 2002 |
| Complete Finish Property Services Limited | Construction | 2023 |
| Complete Packaging (Midlands) Ltd | Manufacturing | 2015 |
| Concrete Preservation Technologies Ltd | Manufacturing | 2005 |
| Constructionlines Holdings Limited | Financial services | 2014 |
| Cornerstone Fitness Ltd | Arts & recreation | 2026 |
| Cornwall Therapy Centre Ltd | Health & social care | 2021 |
| Counter Rivet Limited | Wholesale & retail | 2018 |
| Crazyforest Limited | Other services | 2015 |
| CRJ (2025) Holdings Limited | Financial services | 2025 |
| Crusader Products Limited | Wholesale & retail | 1987 |
| Cryomagnetic Systems Limited | Extraterritorial | 1968 |
| Cudos Accounting Ltd | Professional & scientific | 2021 |
| Cutting Edge IT Solutions Limited | Information & communication | 2014 |
| Cyceco Limited | Real estate | 2021 |
| Cynflex Limited | Manufacturing | 1966 |
| D&M Property Group Ltd | Extraterritorial | 2025 |
| D. Swift Ltd | Manufacturing | 2021 |
| D2 Living Limited | Real estate | 2017 |
| D2 Property Developments Ltd | Real estate | 2025 |
| Dartmouth Residential Ltd | Real estate | 2015 |
| Dash Freight Services Ltd | Transport & logistics | 2025 |
| DCH Property Group Limited | Real estate | 2019 |
| DCH Solanki Limited | Real estate | 2024 |
| Deakin & White (Toton) Limited | Other services | 2016 |
| Dean CBT Services Ltd | Education | 2025 |
| Decerno Solutions Limited | Administrative & support | 2022 |
| Definitive Audio Ltd | Wholesale & retail | 2003 |
| Delightful Dwellings Ltd | Real estate | 2019 |
| Dennita Property Solutions Ltd | Real estate | 2024 |
| Derb Ltd | Real estate | 2026 |
| Dermavival Clinic Limited | Health & social care | 2021 |
| Dermavival Limited | Water & waste | 2020 |
| Derventio Consultancy UK Limited | Professional & scientific | 2023 |
| Dessert Haven Long Eaton Limited | Hospitality | 2022 |
| DG Squared Properties Ltd | Real estate | 2019 |
| Dgtl Media Limited | Information & communication | 2014 |
| Diamond Motors Renault Specialists Limited | Wholesale & retail | 2013 |
| Different Property Services Ltd | Real estate | 2015 |
| DOB Surfacing (Long Eaton) Ltd | Construction | 2019 |
| Dorothy Thompson Grasmere Limited | Real estate | 2021 |
| Doveridge Ltd | Extraterritorial | 2019 |
| DPH Building Consultancy Ltd | Professional & scientific | 2023 |
| Dsh-Family Ltd | Hospitality | 2023 |
| Dundore Limited | Manufacturing | 2001 |
| Durose Construction Ltd | Construction | 2019 |
| E-Chem Technologies Ltd | Professional & scientific | 2004 |
| Eagle Extra Car Sales Limited | Wholesale & retail | 2025 |
| Eagle Logistics Nottm Limited | Transport & logistics | 2022 |
| Easevent Limited | Other services | 2015 |
| East Midland SAW and Tool Company Limited | Manufacturing | 1982 |
| East Midlands Mini BUS Company Limited | Transport & logistics | 2026 |
| Easy Retreats Ltd | Extraterritorial | 2022 |
| Edison & Austin Developments Ltd | Construction | 2025 |
| EDM Garage Holdings Limited | Financial services | 2026 |
| Edwards Design Solutions Limited | Professional & scientific | 2006 |
| EJA Marine Ltd | Manufacturing | 2022 |
| Electronic Assembly Services Limited | Manufacturing | 1998 |
| Elijah Bruise Ltd | Information & communication | 2020 |
| Elite Property Management (Cumbria) Limited | Real estate | 2016 |
| Elite Property Solutions (Cumbria) Limited | Real estate | 2016 |
| Elite Stays London Ltd | Hospitality | 2025 |
| Ellmea Ltd | Construction | 2018 |
| Elmdale Property Services Limited | Real estate | 2017 |
| Emerald Serviced Management Ltd | Real estate | 2025 |
| Emmar Services Limited | Health & social care | 2018 |
| Empire Investors Ltd | Real estate | 2016 |
| Emtel Limited | Information & communication | 2003 |
| EN4 Property Limited | Real estate | 2016 |
| Epsom Dental Centre Ltd | Health & social care | 2015 |
| Erewash Eco Homes Limited | Real estate | 2016 |
| Erewash Indoor Bowling Club Limited | Arts & recreation | 1982 |
| Erewash Indoor Bowls Centre | Arts & recreation | 2015 |
| Etalon Research Ltd | Manufacturing | 2008 |
| ETB Holdings Limited | Financial services | 2024 |
| Exceptional Property Ltd | Real estate | 2020 |
| Exporter Services Limited | Professional & scientific | 2007 |
| F.E.Shaw Limited | Water & waste | 1956 |
| Fastrack Electrical Ltd | Construction | 2017 |
| FD2I Limited | Professional & scientific | 2019 |
| Febro Developments Ltd | Construction | 2024 |
| Fern & Crest Property Ltd | Real estate | 2024 |
| Fern Living LLP | | 2021 |
| Figtree Products Limited | Wholesale & retail | 2016 |
| Firecheck Fire and Security Limited | Professional & scientific | 2017 |
| FIRST4VENUES Limited | Administrative & support | 2008 |
| Five Thirds Developments Limited | Real estate | 2023 |
| Fizi Phonez Limited | Wholesale & retail | 2022 |
| Flex, Plugs & Rock 'N' Roll Ltd. | Manufacturing | 1996 |
| Freddies Long Eaton Ltd | Hospitality | 2020 |
| Fritwell Properties Limited | Real estate | 1978 |
| Fullers MOT & Repair Center Ltd | Wholesale & retail | 2021 |
| G-Force Scaffolding Limited | Construction | 2019 |