| Edward Fournere Ltd | Real estate | 2024 |
| EG Finance Consulting Ltd | Professional & scientific | 2019 |
| EL Hart Ltd | Information & communication | 2024 |
| Elsey Properties and Renovations Ltd | Construction | 2025 |
| Elysium North Film & Media Ltd | Information & communication | 2025 |
| Emerald OOH Investments Ltd | Professional & scientific | 2023 |
| Emerald Outdoor Ltd | Professional & scientific | 2019 |
| Energy and System Technical Limited | Construction | 2009 |
| Enova Supplies Ltd | Wholesale & retail | 2022 |
| Envonomical Ltd | Professional & scientific | 2019 |
| EOC Services (Holdings) Limited | Financial services | 2020 |
| EOC Services Limited | Construction | 1995 |
| EP Managed Services Limited | Real estate | 2025 |
| Ever WIN Prizes UK Ltd | Arts & recreation | 2026 |
| Everill Investments Ltd | Financial services | 2022 |
| Everything Precious Laundry Limited | Hospitality | 2025 |
| Everything Precious Ltd | Administrative & support | 2020 |
| EVO Group Ltd | Financial services | 2025 |
| Evolution Contract Management Ltd | Construction | 2018 |
| Evolution Doors Limited | Manufacturing | 2021 |
| Evolution Servicing Ltd | Real estate | 2025 |
| Fairfield Recycling Limited | Water & waste | 2017 |
| Faith Community Healthcare Ltd | Health & social care | 2020 |
| Farm Seeds Limited | Agriculture & fishing | 2010 |
| Farzone Sourcing Limited | Wholesale & retail | 2012 |
| Fawcett & Lloyd Automotive Works Ltd | Wholesale & retail | 2026 |
| FC Construction (March) Limited | Construction | 2022 |
| Feet First Chiropody Clinic (Downham Market) Limited | Health & social care | 2014 |
| FEN ZEN CIC | Education | 2020 |
| Fencraft Limited | Hospitality | 2002 |
| Fenland Financial Planning Ltd | Financial services | 2024 |
| Fenland Garage Doors Limited | Construction | 2003 |
| Fenton House (Swaffham) Limited | Households | 2002 |
| Finesse Motorsport Ltd | Arts & recreation | 2021 |
| Finesse Paving and Civil Engineering Limited | Construction | 2003 |
| Fire Management Solutions Limited | Administrative & support | 2003 |
| Firewolf Studios Ltd | Professional & scientific | 2024 |
| First Choice Windows and Doors Limited | Construction | 2024 |
| Flipkr Ltd. | Wholesale & retail | 2022 |
| FLO Performing Arts Ltd | Arts & recreation | 2025 |
| Football FUN Factory (Community 078) Limited | Arts & recreation | 2022 |
| Fordhams Vehicle Logistics Ltd | Transport & logistics | 2025 |
| FSR Haase Ltd | Wholesale & retail | 2024 |
| Furniture Futures Limited | Extraterritorial | 2008 |
| G G Light Commercials Limited | Wholesale & retail | 2020 |
| G2ALPHA Limited | Professional & scientific | 2025 |
| Garicel Limited | Administrative & support | 2007 |
| GB Electrical & Mechanical Services Ltd | Construction | 2018 |
| GB Holdings (2021) Limited | Financial services | 2020 |
| GB Marketing (UK) Limited | Wholesale & retail | 2013 |
| Geon Motors Limited | Wholesale & retail | 1970 |
| GES Industrial Enterprises Limited | Construction | 2002 |
| Getley (Norfolk) Limited | Construction | 2016 |
| Giardini DI Naxos Limited | Hospitality | 2018 |
| Global Media London Ltd | Professional & scientific | 2020 |
| Global Oilfield Supplies Limited | Mining & quarrying | 2003 |
| Go Leisure (East Anglia) Limited | Hospitality | 2016 |
| Goatshead Limited | Construction | 2024 |
| Goodings Yard Riverside Stowbridge (Management Company ) Limited | Real estate | 2007 |
| GPT Fire and Security Ltd | Administrative & support | 2012 |
| Grahame Gillis Auto Repairs Limited | Wholesale & retail | 2015 |
| Granby Street Freehold Limited | Households | 2019 |
| Great British Cake Company Limited | Wholesale & retail | 2009 |
| Great Oak (London) Limited | Construction | 2019 |
| Greens Garden & Home Services Ltd | Administrative & support | 2025 |
| Grod Agri Ltd | Agriculture & fishing | 2025 |
| Grosvenor Homes Limited | Construction | 2000 |
| Grove & Co Developments Limited | Construction | 2026 |
| Grove Farm Barns (Stradsett) Management Limited | Extraterritorial | 2005 |
| Growing Wild Holdings Limited | Financial services | 2015 |
| Growing Wild Limited | Agriculture & fishing | 2008 |
| Gtrc Limited | Administrative & support | 2006 |
| H & H Cosmetic Medicine Limited | Other services | 2007 |
| H Engineering Limited | Wholesale & retail | 2018 |
| H.G Groundwork’S & Fencing Ltd | Construction | 2026 |
| H2V Limited | Other services | 2009 |
| Hallie Homes Anglia Limited | Construction | 2025 |
| Halls Groundworks Limited | Construction | 2016 |
| Hardiman Fake Farming Limited | Agriculture & fishing | 2019 |
| Harlow Billposting Services Ltd | Extraterritorial | 2019 |
| Harlow BP Systems Ltd | Professional & scientific | 2023 |
| Harper Pigs Limited Liability Partnership | | 2003 |
| Harrison Jewellers Limited | Manufacturing | 2025 |
| Hart Farms Holdings Limited | Financial services | 2020 |
| Hart Farms Land Limited | Real estate | 2020 |
| Hartson Construction Limited | Construction | 2013 |
| Haslop (168 Thoday Street) Ltd | Real estate | 2025 |
| Haslop (19 QC) Ltd | Real estate | 2025 |
| Haslop Ltd | Financial services | 2019 |
| Hasroom Ltd | Real estate | 2017 |
| Hermitage Close (Wisbech) Management Company Limited | Households | 2012 |
| Highbury Developments Ltd | Real estate | 2003 |
| Hollies GP Services Limited | Health & social care | 2026 |
| Holman Developments Ltd | Construction | 2017 |
| Holtwell Ltd | Professional & scientific | 2026 |
| Honey Harrison Interiors Limited | Manufacturing | 2025 |
| IK Furniture Ltd | Manufacturing | 2019 |
| IN Lucem Consulting Limited | Administrative & support | 2022 |
| Infra Risk Management Limited | Construction | 2025 |
| Ingles Court Management (ST. Neots) Limited | Households | 1984 |