| Door Repair Services Ltd | Extraterritorial | 2011 |
| Douglas Steers & Company Holdings Ltd | Financial services | 2018 |
| Douglas Steers & Company Investments Limited | Real estate | 2017 |
| Douglas Steers & Company Limited | Financial services | 2001 |
| DR Logs (Colchester) Limited | Wholesale & retail | 2024 |
| Drawdownwise Ltd | Financial services | 2018 |
| Duramat Limited | Wholesale & retail | 2014 |
| Duramatt Limited | Wholesale & retail | 2024 |
| Dynamic Recoveries Ltd | Health & social care | 2025 |
| E J Davenport VPA Ltd | Administrative & support | 2018 |
| E.H.Cooper (LT. Bromley) Limited | Real estate | 1958 |
| E.S.P. Building Design Limited | Professional & scientific | 1991 |
| East Anglia News Service Limited | Information & communication | 2013 |
| East Anglia Optics Ltd | Wholesale & retail | 2024 |
| Eblr Ltd | Transport & logistics | 2024 |
| Edgar Arts Limited | Arts & recreation | 2021 |
| EG Financial Limited | Real estate | 2015 |
| Elec-Hicks Ltd | Construction | 2017 |
| Eleven Squared Consulting Limited | Construction | 2024 |
| Elite Yacht Covers Ltd | Manufacturing | 2019 |
| Elixir AI Limited | Information & communication | 2017 |
| Elliott Brown Limited | Professional & scientific | 2012 |
| Emergency Doctors Medical Services Limited | Health & social care | 2012 |
| Equifloor Limited | Wholesale & retail | 2023 |
| Espa-Pumps (U.K) Limited | Wholesale & retail | 1989 |
| Essex & Suffolk Windows Doors and Conservatories Ltd | Construction | 2016 |
| Essex Chapter Great Britain | Other services | 2011 |
| Essex Woodlands Limited | Administrative & support | 2004 |
| Estuary Wine Bar Ltd | Hospitality | 2018 |
| Exactimate Limited | Professional & scientific | 2025 |
| EYE 19 Limited | Administrative & support | 2016 |
| Fabiola UK Limited | Wholesale & retail | 2024 |
| Falconer Future Group Limited | Real estate | 2021 |
| Fasocial Ltd | Extraterritorial | 2024 |
| Felix Future Properties Ltd | Real estate | 2022 |
| Fibre Pultrusions Ltd | Manufacturing | 2021 |
| Field & Hawthorn Limited | Wholesale & retail | 2025 |
| Finance With Flow Limited | Professional & scientific | 2020 |
| Fine Art Restoration & Repairs Limited | Other services | 2022 |
| Finn Marine Limited | Administrative & support | 2025 |
| First Call GB Limited | Administrative & support | 2002 |
| First China Venture Capital Limited | Professional & scientific | 1984 |
| Fitness@Summers Park Ltd | Arts & recreation | 2019 |
| Forces Brands Ltd | Professional & scientific | 2025 |
| Forster Hazell Engineering Limited | Construction | 2008 |
| Fourth Wall Research Ltd | Real estate | 2023 |
| Foxash Equestrian Ltd | Arts & recreation | 2016 |
| Free Range Collective Ltd | Professional & scientific | 2025 |
| Freedom Wills Limited | Professional & scientific | 2009 |
| FREEDOM2FEEL Ltd | Health & social care | 2025 |
| Freshview Build Limited | Construction | 2010 |
| Friends of Mistley Quay CIC | Other services | 2024 |
| Fyre Comps Ltd | Arts & recreation | 2026 |
| G M T Bemrose Ltd | Construction | 2026 |
| G R M UK Ltd | Professional & scientific | 1986 |
| G.B. Webtrader Limited | Construction | 2016 |
| Garage Floor Tile Company Ltd | Wholesale & retail | 2021 |
| Garage Flooring Limited | Wholesale & retail | 2021 |
| Garage Floors Direct Limited | Wholesale & retail | 2020 |
| Garrlock Ltd | Real estate | 2023 |
| GB Connect Limited | Wholesale & retail | 2019 |
| Geofix Limited | Construction | 1997 |
| Geoiva Limited | Other services | 2022 |
| Gingerj Properties Limited | Real estate | 2023 |
| Gjoni Tyres Ltd | Other services | 2019 |
| Gjoni Valeting Supplies Ltd | Administrative & support | 2017 |
| GJV Enterprises Limited | Real estate | 2007 |
| Gldng Ltd | Information & communication | 2022 |
| Glenmoor Developments Limited | Construction | 2009 |
| Glostrup Property Limited | Real estate | 2022 |
| GMC Estates & Property Ltd | Real estate | 2026 |
| Gold Windscreens Automotive Ltd | Wholesale & retail | 2025 |
| Golden Analytical Limited | Wholesale & retail | 2018 |
| Goldstar Plumbing and Heating Limited | Construction | 2026 |
| GPG Creative Ltd | Professional & scientific | 2016 |
| Grachar Innovations Ltd | Information & communication | 2017 |
| Gradient Creative Limited | Professional & scientific | 2012 |
| Greeme Solutions Limited | Real estate | 2010 |
| Green Acres Films Limited | Arts & recreation | 2009 |
| Green Energy Service Solutions Limited | Professional & scientific | 2021 |
| Green Keep Ltd | Manufacturing | 2019 |
| Green Star Elec (Colchester) Ltd | Construction | 2020 |
| Greenwoodland Burial Services Limited | Other services | 1997 |
| H J M Catering Ltd | Hospitality | 2012 |
| H&H Brickwork East Anglia Ltd | Construction | 2021 |
| H&H Forestry Ltd | Wholesale & retail | 2023 |
| H. Monroe Properties Ltd | Real estate | 2026 |
| Hand of Hogarth.Com Ltd | Wholesale & retail | 2021 |
| Handcraft Horizon Ltd | Wholesale & retail | 2025 |
| Hansen Commercial Ltd | Wholesale & retail | 2021 |
| Harvey's Handyman Service Ltd | Construction | 2021 |
| Harwich Investments Limited | Real estate | 2007 |
| Hazel Way SE1 Limited | Real estate | 2018 |
| HC Estate Management Ltd | Households | 2021 |
| Herbal Homes Limited | Wholesale & retail | 2021 |
| Heritage House (Publishers) Limited | Information & communication | 1995 |
| Hexclean Limited | Wholesale & retail | 2025 |
| HG Studio Beauty Ltd | Other services | 2026 |
| HJC Accountancy Limited | Professional & scientific | 2025 |
| Hockton-Morris Property Co Ltd | Construction | 2020 |