| Elysium Golf Limited | Hospitality | 2011 |
| Elysium Services Ltd | Administrative & support | 2024 |
| Emerald Precision Limited | Professional & scientific | 2009 |
| Eminent Elec Ltd | Construction | 2025 |
| Emmanoodle Ltd | Professional & scientific | 2022 |
| EN8 Kitchens Limited | Construction | 2015 |
| ENA Limited | Other services | 2008 |
| Enarxis Limited | Professional & scientific | 2021 |
| Entarkam Ltd | Hospitality | 2025 |
| Epmv Limited | Health & social care | 2021 |
| Esports KIT Ltd | Wholesale & retail | 2021 |
| Estetik Group Ltd. | Administrative & support | 2013 |
| ETH Invest Ltd | Real estate | 2017 |
| Everlea Homes Limited | Real estate | 2017 |
| Everyone Cooks Ltd | Hospitality | 2024 |
| EW Performance LAB Ltd | Education | 2025 |
| EWC Recycling Ltd | Water & waste | 2020 |
| Exquisite Oral Care Limited | Health & social care | 2023 |
| F&T Investment Ltd | Real estate | 2021 |
| Farm Diversification UK Ltd | Professional & scientific | 2023 |
| Fascination Technology Ltd | Information & communication | 2017 |
| Ferney Associates Ltd | Professional & scientific | 2004 |
| Fertility-Fit Ltd | Education | 2024 |
| FFE Herts Ltd | Other services | 2023 |
| Fireduct Limited | Construction | 2023 |
| First Equity Accountants Limited | Professional & scientific | 2011 |
| First Equity Investments Limited | Information & communication | 2007 |
| First Line London Ltd | Wholesale & retail | 2020 |
| First Sight Graphics Limited | Professional & scientific | 2011 |
| Five Carpentry & Locksmiths Ltd | Construction | 2022 |
| Fiveandsix Ltd | Education | 2024 |
| FIX IT Mate Ltd | Information & communication | 2025 |
| Fletcher & Marsh Developments Limited | Real estate | 2017 |
| Flybridge 1959 Limited | Professional & scientific | 1996 |
| Foley Rentals Limited | Real estate | 2001 |
| Folia Property Ltd | Real estate | 2022 |
| Forbes Tree Care Ltd | Agriculture & fishing | 2014 |
| Forever Lavish Limited | Manufacturing | 2019 |
| Forget ME NOT Care Services Ltd | Health & social care | 2025 |
| Fortrem Consulting and Advisory Ltd | Information & communication | 2025 |
| Fosse Digital Limited | Information & communication | 2026 |
| Fostra Consulting Ltd. | Professional & scientific | 2017 |
| Frank & Haddy's Property Ltd | Real estate | 2024 |
| Frank Chase Services Ltd | Health & social care | 2014 |
| Freck Files Limited | Professional & scientific | 2026 |
| Freya Killin Limited | Other services | 2019 |
| Frontier Holdings Ltd | Real estate | 2022 |
| FSW Tanking Limited | Water & waste | 2025 |
| Funbel Ventures Limited | Wholesale & retail | 2006 |
| Function & Form Limited | Information & communication | 2016 |
| Furneux Pelham Properties Limited | Construction | 2005 |
| Fusion Cheerleaders Ltd | Education | 2023 |
| Fusion Cheerleading CIC | Education | 2026 |
| Futura Studio Limited | Information & communication | 2026 |
| G D Pipeworks Ltd | Construction | 2024 |
| G Zdunek Body Coach Service Ltd | Wholesale & retail | 2026 |
| G. Trading Limited | Financial services | 2005 |
| Gabriel Bridal London Limited | Wholesale & retail | 2023 |
| Gabrielle Chase Media Company Limited | Information & communication | 2023 |
| Galex Consulting Limited | Information & communication | 2020 |
| Gallery 196 Limited | Wholesale & retail | 2012 |
| Gambinimotors Ltd | Wholesale & retail | 2019 |
| GAP Property Holdings Ltd | Real estate | 2025 |
| Garnier Jewellers Limited | Wholesale & retail | 1962 |
| Gas-Link Heating Services Ltd | Construction | 2020 |
| GB Design & Build London Ltd | Construction | 2026 |
| GB Homes and Development Ltd | Construction | 2024 |
| GBX2 Ltd | Financial services | 2019 |
| GC Transport Services Limited | Transport & logistics | 2007 |
| GCL Tech Limited | Information & communication | 2020 |
| Gearandgo Limited | Wholesale & retail | 2019 |
| Gemini Solutions Consulting Ltd | Information & communication | 2025 |
| Genesis Commercial Consultants Ltd | Administrative & support | 2020 |
| GET Found LAB Ltd | Professional & scientific | 2019 |
| Ggg's Ltd | Health & social care | 2019 |
| Gilmore Consulting Ltd | Information & communication | 2022 |
| Givingback Films Ltd | Information & communication | 2020 |
| GL Associates Limited | Professional & scientific | 2019 |
| Glan Consultancy Ltd | Professional & scientific | 2020 |
| Glenwood Investment Solutions Limited | Information & communication | 2012 |
| GLM Qualifications Group Limited | Education | 2021 |
| Global Bags Limited | Wholesale & retail | 2020 |
| Global REC Solutions Ltd | Administrative & support | 2023 |
| Global Shopfitting London Ltd | Construction | 2023 |
| GN Khela Limited | Hospitality | 2007 |
| Gold Street Integrated Services Ltd | Real estate | 2022 |
| Golden Giggles Limited | Health & social care | 2010 |
| Goldern Consult Limited | Administrative & support | 2022 |
| Golf Trolley Repairs - Hertfordshire Ltd | Professional & scientific | 2026 |
| Golfstars Ltd | Education | 2026 |
| Goodger Brothers Limited | Administrative & support | 2019 |
| GP Golf Limited | Wholesale & retail | 2017 |
| GP Racing Products Ltd | Wholesale & retail | 2022 |
| Grazo Ltd | Transport & logistics | 2023 |
| Green + Lean Limited | Hospitality | 2016 |
| Green Dragon Cheshunt Limited | Real estate | 2018 |
| Groupe EOM Limited | Wholesale & retail | 2021 |
| GV Heating & Plumbing Ltd | Construction | 2017 |
| Gwecology Limited | Professional & scientific | 2023 |
| H & H Wholesale Trading Ltd | Wholesale & retail | 2014 |