| Cutiepro Ltd | Manufacturing | 2021 |
| CVW Distribution Limited | Wholesale & retail | 2012 |
| Cyberhead Advisors Ltd | Information & communication | 2023 |
| D D Marine Ltd | Manufacturing | 2020 |
| D R Hall Limited | Administrative & support | 2012 |
| D.R. Walker (Developments) Limited | Construction | 1983 |
| Danny Mears Transport Limited | Transport & logistics | 2010 |
| Danny's Interiors Limited | Construction | 2020 |
| Darién Consulting Limited | Professional & scientific | 2017 |
| Dark Thoughts Ltd | Wholesale & retail | 2021 |
| Daron Motors Holdings Limited | Administrative & support | 2003 |
| David Allen Agencies Limited | Wholesale & retail | 2021 |
| David John Poppleston-Mead Limited | Extraterritorial | 2024 |
| Dawesconsulting Limited | Information & communication | 2016 |
| DAY2DAY Consulting Limited | Information & communication | 2026 |
| DD Marine Training Ltd | Education | 2022 |
| Dean Design Architectural Services Limited | Professional & scientific | 1997 |
| Delightful Dynasty Limited | Hospitality | 2020 |
| Design Deliver Construct Ltd | Professional & scientific | 2013 |
| Diesel Hospitality Limited | Hospitality | 2024 |
| Digby Nalu Ltd | Professional & scientific | 2022 |
| Dpjackson Builders Ltd | Construction | 2016 |
| DR Karen Breen Ltd | Health & social care | 2015 |
| Dream Cuts Ltd | Other services | 2025 |
| Dreamtime Hayling Limited | Construction | 2023 |
| Driscolls Accountants Limited | Professional & scientific | 1998 |
| DRIVEN2WIN Competitions Ltd | Wholesale & retail | 2025 |
| DSL Managment Limited | Professional & scientific | 2019 |
| Dstar Limited | Administrative & support | 2021 |
| DT Enterprises (UK) Ltd | Professional & scientific | 2008 |
| Dunprop Ltd | Construction | 2014 |
| Dyslexia Workplace Solutions Limited | Administrative & support | 2022 |
| E Fitout Carpentry Limited | Construction | 2018 |
| E.B.K. Consultancy Limited | Professional & scientific | 2009 |
| EBK Piping and Instrumentation Limited | Manufacturing | 2013 |
| Edana Indian Dining Limited | Hospitality | 2025 |
| Ede's Building Limited | Construction | 2021 |
| Elise Maynard and Associates LLP | | 2014 |
| Elite Solar and Electrical Limited | Construction | 2015 |
| Elizabeth Care Consulting Ltd | Information & communication | 2026 |
| ELM Masala Limited | Hospitality | 2026 |
| Emco Education Limited | Education | 1996 |
| Emco Industrial Limited | Manufacturing | 2011 |
| EMS Valley Care Ltd | Health & social care | 2014 |
| Emsworth Guptas Limited | Real estate | 2016 |
| ENL Acoustics Limited | Extraterritorial | 2021 |
| Ensign Domestic Heating, Cooling & Electrical Ltd | Construction | 2024 |
| Entry Clearance Services Ltd | Other services | 2006 |
| Escape the Monkey Ltd | Wholesale & retail | 2022 |
| Euro Lettings Ltd | Real estate | 2010 |
| European Survey Consultants Limited | Extraterritorial | 1989 |
| Everest Design & Consulting Limited | Manufacturing | 2013 |
| Everyone Needs a Dave Ltd | Construction | 2018 |
| Excellent Electrical Ltd | Construction | 2022 |
| F J Black Limited | Professional & scientific | 2011 |
| F.Daines Limited | Water & waste | 1945 |
| Fall Arrest (International) Limited | Manufacturing | 2016 |
| Fall Arrest (UK) Limited | Manufacturing | 2016 |
| Fall Arrest Limited | Manufacturing | 2016 |
| FD Carpentry Ltd | Manufacturing | 2022 |
| Fenton Developments (Central) Ltd | Construction | 2025 |
| Fenton Developments (South) Ltd | Construction | 2025 |
| Fenton Solar Developments Ltd | Construction | 2025 |
| FH Health Ltd | Health & social care | 2019 |
| Fieldfare UK Limited | Real estate | 2003 |
| Finchwood Equine Ltd | Agriculture & fishing | 2016 |
| Finchwood Farm Industrial Ltd | Real estate | 2023 |
| Finchwood Farm Limited | Real estate | 2002 |
| Finchwood Storage Ltd | Administrative & support | 2019 |
| Fire Retardant Painting Specialists Limited | Construction | 2018 |
| First Search Limited | Information & communication | 1989 |
| FIX Fit Test Electrical Ltd | Construction | 2021 |
| Focus Commercial Cleaning Ltd | Administrative & support | 2019 |
| Four Shores Investments Ltd | Construction | 2025 |
| Foxhill Holdings Limited | Professional & scientific | 2008 |
| FPJ Carpentry Limited | Construction | 2013 |
| Full HDP Limited | Professional & scientific | 2017 |
| Furniss Autos Ltd | Wholesale & retail | 2017 |
| Fuse Foundation | Education | 2013 |
| Future Fire Solutions Holdings Limited | Financial services | 2024 |
| G D Engineering (Ilford) Limited | Construction | 1978 |
| G Dragon Limited | Hospitality | 2012 |
| G.F.F.D. Supplies Limited | Administrative & support | 2013 |
| G.R.E Plant Hire Limited | Construction | 2023 |
| Gable Roofing & Cladding Limited | Professional & scientific | 2012 |
| Gabr-Ryn Ltd | Professional & scientific | 2021 |
| Gandhi Hayling Ltd | Hospitality | 2021 |
| GAS Aware Limited | Construction | 2020 |
| Gastech Design Limited | Construction | 2024 |
| Gatekeepers Group Ltd | Administrative & support | 2018 |
| GB Gymnastics Ltd | Other services | 2021 |
| GD Plates Ltd | Wholesale & retail | 2022 |
| GDH Property & Letting Services Ltd. | Real estate | 2014 |
| Geoff Foot Letting Agents Limited | Real estate | 2016 |
| Geomoll Ltd | Financial services | 2015 |
| George Court Residents Company Limited | Households | 2013 |
| Geosop Ltd | Information & communication | 2018 |
| Gilbert Mead Residents Company Limited | Households | 1991 |
| Giselle Theatre Company Limited | Arts & recreation | 2011 |
| Glenn Cairns Plastering Contractors Ltd | Construction | 2015 |