| Elevated Trade Services Ltd | Construction | 2026 |
| Elite School of Hairdressing Ltd | Other services | 2018 |
| Elsenham (24 Hour) Cabs Limited | Administrative & support | 2012 |
| Empire Delivery Ltd | Transport & logistics | 2021 |
| Envirocar Hire Limited | Administrative & support | 2009 |
| Envirolink Recycling Ltd | Professional & scientific | 2003 |
| Epping Industrial Coatings Limited | Manufacturing | 2009 |
| Essex Autospray Limited | Wholesale & retail | 2025 |
| Essex Courier Service Limited | | 1982 |
| ETH Safety Limited | Construction | 2018 |
| Eurotext Ltd | Professional & scientific | 2014 |
| Evans Aviation (UK) Limited | Transport & logistics | 1984 |
| Evolve Accessories Limited | Manufacturing | 2021 |
| Evslifestyle Limited | Administrative & support | 2024 |
| Excellence Aviation Limited | Transport & logistics | 2016 |
| Excellence Aviation Services Limited | Manufacturing | 2000 |
| Execair Limited | Extraterritorial | 1996 |
| Exemplar Logistics Ltd | Professional & scientific | 2022 |
| Expert CRM Services Limited | Information & communication | 2001 |
| F P F a Limited | Professional & scientific | 2005 |
| F.A.S.T. Advisor Strategy Team Limited | Professional & scientific | 2020 |
| Falco Consultancy Ltd | Information & communication | 2013 |
| Faree's Kitchen Limited | Hospitality | 2026 |
| Farringdon Energy Limited | Energy | 2014 |
| Fielden Way Management Limited | Households | 2017 |
| FIG ROW Properties Ltd | Real estate | 2018 |
| Financial Catalysts Limited | Extraterritorial | 2016 |
| Flame Publicity Limited | Other services | 2019 |
| Flavour Works Group Ltd | Information & communication | 2024 |
| Florissante Investments Ltd | Administrative & support | 2017 |
| Football FUN Factory (Community 044) Ltd | Arts & recreation | 2021 |
| Foots Farm Limited | Agriculture & fishing | 2010 |
| Forel UK & Ireland Ltd | Manufacturing | 2021 |
| Freehouse London Ltd | Arts & recreation | 2024 |
| Fresh Perspectives Incorporated Limited | Professional & scientific | 2014 |
| FSM Building Limited | Construction | 2013 |
| G E S and Sons Limited | Wholesale & retail | 2009 |
| Gage Build Limited | Construction | 2021 |
| Gamit Limited | Other services | 1990 |
| Garma Ltd | Administrative & support | 2012 |
| Garretts Garage Services Limited | Wholesale & retail | 2006 |
| GB Event Services Ltd | Hospitality | 2016 |
| Gemmill Bros Ltd | Agriculture & fishing | 2014 |
| Geopolitical Risk & Strategic Advisory Limited | Professional & scientific | 2013 |
| Gianni's Pizzeria Italiana Limited | Hospitality | 2012 |
| GJE Enterprises Limited | Hospitality | 2012 |
| GKM Heating & Plumbing Ltd | Construction | 2016 |
| Golds Ventures Ltd | Administrative & support | 2022 |
| Good Champion Homes 2 Ltd | Construction | 2024 |
| GP Communications Ltd | Information & communication | 2011 |
| Grange Contracting Limited | Professional & scientific | 2018 |
| Green Services Ltd | Wholesale & retail | 2022 |
| Green Sprouts Limited | Wholesale & retail | 2012 |
| Griffin Industrial Services Limited | Other services | 2012 |
| Gritting Works Ltd | Administrative & support | 2019 |
| Ground Transport Ltd | Transport & logistics | 2011 |
| GSM Resourcing Ltd | Administrative & support | 2005 |
| GUY Auto Electrics Ltd | Wholesale & retail | 2023 |
| H & E Glazing Ltd | Construction | 2025 |
| H and E Board UPS Ltd | Construction | 2025 |
| Hagondale Limited | Financial services | 1991 |
| Hallwood Property Ltd | Real estate | 2024 |
| Hanley Smith Limited | Manufacturing | 1983 |
| Hardcraft Landscaping Ltd | Administrative & support | 2025 |
| Hargrave Mews Management Company Limited | Administrative & support | 2012 |
| Harley Thomas Ltd | Hospitality | 2013 |
| Harlow Garden Services Limited | Administrative & support | 2007 |
| Harpers Heating & Plumbing Ltd | Construction | 2007 |
| Harris Global Marketing Limited | Professional & scientific | 2025 |
| Harwich Farms Limited | Agriculture & fishing | 2020 |
| Harwood Group Ltd | Administrative & support | 2023 |
| Hawkins & Co Accountants & Bookkeepers Ltd | Professional & scientific | 2021 |
| HCB27 Ltd | Other services | 2024 |
| Headway Resources Consultancy Ltd | Administrative & support | 2019 |
| Healthcare Copilot Limited | Information & communication | 2023 |
| Healthcare Digital Twin Limited | Information & communication | 2024 |
| Heirloom Consulting Limited | Professional & scientific | 2017 |
| Heirloom Media Ventures Limited | Professional & scientific | 2022 |
| Heirloom Property Limited | Real estate | 2024 |
| Herts and Essex Window Doctor Limited | Extraterritorial | 2017 |
| Hewitt Innovations Ltd | Information & communication | 2023 |
| Hewitt Partnerships Ltd | Information & communication | 2022 |
| Higginson Securities Limited | Professional & scientific | 2001 |
| Hill House Associates Limited | Households | 2003 |
| HJA Group Ltd | Wholesale & retail | 2021 |
| HJA Imports Global Ltd | Wholesale & retail | 2011 |
| HJA Investment Group Ltd | Real estate | 2023 |
| Hoddell Stotesbury Morgan Limited | Professional & scientific | 2014 |
| Holt CX Consultancy Limited | Information & communication | 2023 |
| Homes and Floors Ltd | Wholesale & retail | 2019 |
| Homes for ALL South East Ltd | Construction | 2021 |
| Hummingbird Homes Limited | Construction | 2017 |
| Hundy Club Ltd | Wholesale & retail | 2020 |
| Hutchings Lewis Holdings Ltd | Financial services | 2026 |
| IDR Consultancy Limited | Information & communication | 2018 |
| IDR Property Limited | Real estate | 2019 |
| Impress Event Production Ltd | Information & communication | 2015 |
| Imzo Construction Ltd | Construction | 2024 |
| Inflite Limited | Professional & scientific | 1993 |
| Inflite MRO Services Limited | Manufacturing | 2002 |