| Cornerwood Ltd | Construction | 2022 |
| Cottons Electrical Limited | Construction | 2007 |
| Cottons Refrigeration Limited | Construction | 2009 |
| Country House Chic Limited | Wholesale & retail | 2013 |
| Cpop Limited | Administrative & support | 2007 |
| Crosslanes Manufacturing Limited | Manufacturing | 2012 |
| Crowdbay Limited | Information & communication | 2019 |
| Csesr Holdings Limited | Financial services | 2022 |
| Csesr Limited | Professional & scientific | 2018 |
| Cuddington Management Company Limited | Real estate | 2017 |
| D Mccain Racing Ltd | Agriculture & fishing | 2014 |
| D P Builders NW Limited | Construction | 2026 |
| D P Design and Build NW Ltd | Construction | 2018 |
| D Pritchard Design and Build NW Ltd | Construction | 2017 |
| D. Wise Holdings Limited | Financial services | 2025 |
| D. Wise Limited | Manufacturing | 1982 |
| Daniel Handscomb Limited | Professional & scientific | 2017 |
| Daniel Roberts Consultancy Ltd | Professional & scientific | 2013 |
| Danielle Hansbury Interpreting Ltd | Professional & scientific | 2012 |
| Daresbury Estates Limited | Agriculture & fishing | 2013 |
| Daresbury Festivals LLP | | 2006 |
| Daring Dreams Ltd | Wholesale & retail | 2023 |
| Dawn Findley BSL Interpreting Ltd | Professional & scientific | 2025 |
| Deliver-Moo Limited | Wholesale & retail | 2020 |
| Delph Estates Limited | Real estate | 2015 |
| Dewhurst Estates Limited | Financial services | 2025 |
| DGM Services Limited | Professional & scientific | 2025 |
| DHM (Connah) Investments | Financial services | 2019 |
| Diamond Electrical Limited | Construction | 2017 |
| Diane Lofthouse Hospitality and Consultancy Limited | Professional & scientific | 2009 |
| Diverse A.T Ltd | Health & social care | 2023 |
| Dog Lane Farm Developments Limited | Real estate | 2020 |
| E & M Glass Ltd. | Manufacturing | 1996 |
| E G Corbett Vehicle Repairs Ltd | Wholesale & retail | 2014 |
| E M Mercer Limited | Real estate | 2023 |
| Early Modern Historical Interpretation Ltd | Education | 2019 |
| Edge Grange Barns Management Company Limited | Households | 2009 |
| Effituning Ltd | Manufacturing | 2025 |
| EHW Consulting Ltd | Professional & scientific | 2018 |
| Elginhill Ltd | Information & communication | 2007 |
| Eliot Ward Consulting Limited | Professional & scientific | 2011 |
| Ellejaybee Property Management Limited | Real estate | 2022 |
| Elmott Consulting Ltd | Professional & scientific | 2021 |
| Empire Mailing Ltd | Transport & logistics | 2024 |
| EN Hawke Ltd | Real estate | 2020 |
| Enplo Ltd | Construction | 2018 |
| Envirocloud Limited | Professional & scientific | 2012 |
| Environmental Land Management Associates Limited | Professional & scientific | 2019 |
| Equivalence Limited | Other services | 2024 |
| Evans Collective Ltd | Information & communication | 2025 |
| Ewson Contractors Limited | Construction | 2003 |
| EX Experience Limited | Professional & scientific | 1995 |
| EXB Limited | Information & communication | 2014 |
| Exercise With Baby Ltd | Other services | 2014 |
| Eximius Events Limited | Professional & scientific | 2007 |
| FAC Landscapes Ltd. | Construction | 2014 |
| Fairview Vineyard Ltd | Agriculture & fishing | 2017 |
| Faringdon 1976 Ltd | Financial services | 2025 |
| Farndon Foodservice Limited | Wholesale & retail | 2014 |
| Fiennes Court Residents Company Limited | Administrative & support | 2016 |
| Findzy Ltd | Wholesale & retail | 2026 |
| Firbrook Estates Ltd | Real estate | 2025 |
| Fish Consulting Limited | Administrative & support | 2012 |
| Flack PUB Company Ltd | Hospitality | 2025 |
| Fleet TM Services Ltd | Transport & logistics | 2026 |
| Forts of India (Hampton) Limited | Hospitality | 2017 |
| Four Lanes Studio Ltd | Professional & scientific | 2025 |
| Foxy and Friends Ltd | Wholesale & retail | 2024 |
| Fussylogic Limited | Professional & scientific | 2012 |
| Fwrc Ltd | Transport & logistics | 2026 |
| Gallery Flowers Ltd | Wholesale & retail | 2011 |
| GAP Personnel Foundation | Professional & scientific | 2017 |
| GAP Recycling Ltd | Water & waste | 2023 |
| Gatehouse Farm (Edge) Management Company Limited | Households | 2015 |
| GE & CM Hough Limited | Agriculture & fishing | 2003 |
| Get-A-Grip! (UK) Limited | Extraterritorial | 2008 |
| GFC Professional Services Ltd | Professional & scientific | 2023 |
| Global Supply & Fabrications (GSF) Group Limited | Manufacturing | 2012 |
| Global VM Limited | Other services | 2020 |
| GM 24 Ltd | Real estate | 2024 |
| Gordon Humphreys Limited | Real estate | 2017 |
| Gracenet Limited | Professional & scientific | 2003 |
| Grafton Farms Limited | Agriculture & fishing | 2014 |
| Green GEM Agriculture Limited | Agriculture & fishing | 2001 |
| Greenwood Design Projects Limited | Professional & scientific | 2025 |
| Greenwood Sustainability Limited | Professional & scientific | 2024 |
| Grosvenor Beds Limited | Wholesale & retail | 2011 |
| H Ahmed Interpreting Limited | Professional & scientific | 2024 |
| H.I.P. Homes Limited | Construction | 2003 |
| Hampton House Interiors Ltd | Extraterritorial | 2022 |
| Hampton Smithy Limited | Manufacturing | 2014 |
| Harry Chandler Limited | Wholesale & retail | 2026 |
| Hassall Brothers Limited | Wholesale & retail | 2015 |
| Hathago Ltd | Other services | 2023 |
| Heath Equine Veterinary Practice Ltd | Professional & scientific | 2023 |
| Hennessy Homes Ltd | Construction | 2014 |
| Henry James Fitness Ltd | Education | 2024 |
| Hevp LLP | | 2020 |
| High Performance Journey Limited | Education | 2023 |
| Hill Cross Joinery Limited | Construction | 2002 |