| Fignon Ltd | Information & communication | 2015 |
| Fill Your Boots Ltd | Arts & recreation | 2018 |
| Film Tech Worxs Ltd | Information & communication | 2022 |
| Financial & Management Consultants Limited | Professional & scientific | 2013 |
| Fireaway Worcester Limited | Hospitality | 2023 |
| Fireclover Limited | Information & communication | 2015 |
| First Black Frame Limited | Arts & recreation | 2012 |
| First Rented Housing Group Limited | Real estate | 1988 |
| Fitzrovia Personal Homecare Ltd | Health & social care | 2015 |
| Five Star Caring Ltd | Other services | 2023 |
| Flexewebs Ltd | Professional & scientific | 2005 |
| Flexi Access Ltd | Financial services | 2014 |
| Flipncollect Ltd | Wholesale & retail | 2025 |
| Floofall Limited | Information & communication | 2025 |
| Flooferino Ltd | Wholesale & retail | 2020 |
| Florence & Nell Ltd | Wholesale & retail | 2024 |
| Foodway Holdings Limited | Financial services | 2023 |
| Foodway Limited | Real estate | 1978 |
| Footprint Heating & Plumbing Ltd | Construction | 2015 |
| FOR Dogs' Sake Limited | Other services | 2017 |
| Foremost Services Ltd | Professional & scientific | 2020 |
| Forest Care Services Limited | Health & social care | 2001 |
| Fougito Franchise Ltd | Information & communication | 2025 |
| Four Eight Four Management Company Limited | Households | 2021 |
| Fragranced With Love Limited | Manufacturing | 2024 |
| Fresh CUT Films Ltd | Information & communication | 2021 |
| Fresh Fades Barbers Ltd | Other services | 2021 |
| Fresh Property Services Ltd | Real estate | 2026 |
| Friarscroft Solutions Ltd | Information & communication | 2020 |
| Funi Care Services Limited | Health & social care | 2021 |
| G Kamza Company Limited | Administrative & support | 2012 |
| G&K Homes Limited | Real estate | 2016 |
| G&S Bromley Limited | Wholesale & retail | 2025 |
| G&S Kent Limited | Wholesale & retail | 2024 |
| G&S Westfield Limited | Wholesale & retail | 2023 |
| G. Noble Motor Services Limited | Wholesale & retail | 2013 |
| G. Siwiec Building Services Limited | Construction | 2012 |
| G2L Technologies Ltd | Information & communication | 2003 |
| G3NERATION Properties Ltd | Real estate | 2025 |
| GA Excel Services Limited | Professional & scientific | 2014 |
| Ga-On Ltd | Real estate | 2021 |
| Galaxy Marketing Services Ltd | Professional & scientific | 2023 |
| Gallen Tree Consulting Limited | Professional & scientific | 2019 |
| Gamma Family Property Investment Limited | Real estate | 2022 |
| Ganached Ltd | Manufacturing | 2023 |
| Garter Star Property Management Limited | Households | 2006 |
| Gartree Galleries Limited | Wholesale & retail | 2022 |
| Gary Rands Ltd | Construction | 2015 |
| Gate Rayan Ltd | Hospitality | 2026 |
| Gayton Hill Ltd | Other services | 2019 |
| GDM Properties (Surrey) Ltd | Construction | 2026 |
| Generous G Ltd | Professional & scientific | 2019 |
| Genesis Children’S Centre Ltd | Education | 2024 |
| Geniecloud Ltd | Information & communication | 2013 |
| Genuine Care Homecare Services Limited | Professional & scientific | 2009 |
| Georgiz Ltd | Construction | 2009 |
| GET Gospel Ltd | Arts & recreation | 2017 |
| Geusi Kitchen Ltd | Hospitality | 2025 |
| GGJ Electrical Ltd | Construction | 2024 |
| GGJ Engineers Ltd | Construction | 2023 |
| GGK Construction Ltd | Construction | 2025 |
| GGM Building Ltd | Construction | 2021 |
| Ghalley Infotech Ltd | Information & communication | 2023 |
| GK Lifts Ltd | Construction | 2023 |
| Glen Road Property (Management) Ltd | Real estate | 2006 |
| Glenmount SNS Limited | Real estate | 2025 |
| Glenmount View Management Company Limited | Households | 2026 |
| Glitz N Glam Beauty Limited | Other services | 2016 |
| Global Pharmaceuticals (UK) Limited | Wholesale & retail | 1989 |
| Global Pharmaceuticals Ltd | Wholesale & retail | 1967 |
| Globalmed Services Ltd | Administrative & support | 2024 |
| Glow-Bell Ltd | Construction | 2014 |
| GLV Property Ltd | Real estate | 2022 |
| GM Embalming Service Ltd | Other services | 2024 |
| Gmcauley Limited | Education | 2026 |
| Gmgt Limited | Real estate | 2024 |
| Gnarly Bear Studios Ltd | Information & communication | 2023 |
| Goldie Construction Ltd | Construction | 2010 |
| Good Earth Nuggets Ltd | Information & communication | 2024 |
| Gowra Exports Ltd | Wholesale & retail | 2025 |
| Gowri & Meera Company Limited | Health & social care | 2016 |
| Gpst Courses Limited | Education | 2017 |
| Graby Ltd | Information & communication | 2026 |
| Grace Phone Repair Ltd | Wholesale & retail | 2025 |
| Graceland Enterprises Limited | Administrative & support | 2025 |
| Graduspro Ltd | Construction | 2025 |
| Grafton Van Sales Ltd | Wholesale & retail | 2025 |
| Graham Birch Design Ltd | Professional & scientific | 2016 |
| Granny Food Limited | Manufacturing | 2017 |
| Great Moving Ltd | Transport & logistics | 2023 |
| Green Double Glazing Limited | Construction | 2024 |
| Gregory's Gardens Limited | Administrative & support | 2022 |
| Growbridge Prop Trading Ltd | Financial services | 2026 |
| Growth Stride Marketing Ltd | Administrative & support | 2026 |
| Guidance Football Ltd | Arts & recreation | 2020 |
| Gure Etxea Ltd | Hospitality | 2019 |
| GVS IT Services Limited | Administrative & support | 2013 |
| Gwen Rule Design Limited | Professional & scientific | 2020 |
| Gyninlondon Ltd | Health & social care | 2026 |
| H & a Buildsmart Limited | Construction | 2025 |