| Freelands Property Ltd | Construction | 2008 |
| Freelands Property Services Limited | Construction | 2016 |
| Fresh Eric's Cake Co Limited | Manufacturing | 1998 |
| Fresh Flora Limited | Wholesale & retail | 2017 |
| Freshbydotun Global Services Ltd | Wholesale & retail | 2023 |
| Freshnet Cleaning Ltd | Administrative & support | 2025 |
| Friargreen Construction Limited | Construction | 2012 |
| Friends in Need (FIN) Ltd | Health & social care | 2015 |
| Friends of Ramus Woodland Ltd | Administrative & support | 2015 |
| Friendship Global Limited | Hospitality | 2014 |
| Friendshipuk Ltd | Wholesale & retail | 2004 |
| Frippetex Limited | Wholesale & retail | 2026 |
| From Dust Limited | Professional & scientific | 2018 |
| From the Root Studio Ltd | Manufacturing | 2020 |
| Fruit Box Camden Ltd | Wholesale & retail | 2023 |
| FSG - Full Spectrum Group - Automotive Ltd | Wholesale & retail | 2025 |
| FSG - Full Spectrum Group Ltd | Financial services | 2025 |
| FSM Performance Clinic Ltd | Health & social care | 2026 |
| FT Electrical & Maintenance Ltd | Construction | 2014 |
| Fubler Solutions Ltd | Construction | 2025 |
| Fuco Design Ltd | Arts & recreation | 2026 |
| Fulfilled and Thriving Ltd. | Education | 2020 |
| Full Bloom Beauty Limited | Administrative & support | 2017 |
| Full Range Audio Post Production Limited | Information & communication | 2013 |
| Fullycharcraig Limited | Professional & scientific | 2023 |
| Fumes B Gone Limited | Professional & scientific | 2009 |
| FUN Rooyen Enterprises Ltd | Professional & scientific | 2026 |
| Fundexpert Limited | Information & communication | 2011 |
| Funding Tribe Limited | Financial services | 2018 |
| Fung YIP Limited | Real estate | 2019 |
| Funmex Limited | Health & social care | 2018 |
| Furneaux Property Ltd | Real estate | 2021 |
| Furness Heating Services Ltd | Construction | 2025 |
| Fusionwell Limited | Wholesale & retail | 2015 |
| Future 5 Ltd | Financial services | 2021 |
| Future Cladding Facades Limited | Construction | 2017 |
| Future Edge Solutions Limited | Administrative & support | 2023 |
| Future Focus Children's Services Ltd | Health & social care | 2021 |
| Future Generation Asset Management Limited | Real estate | 2023 |
| FX Efinance Ltd | Professional & scientific | 2018 |
| FX Solutions Limited | Financial services | 2000 |
| Fyntraclo Limited | Wholesale & retail | 2026 |
| G & G Security Ltd | Administrative & support | 2025 |
| G Clarke Roofing Limited | Construction | 2008 |
| G E Read Limited | Administrative & support | 1953 |
| G J R Cook Imaging Limited | Health & social care | 2016 |
| G Millard Services Ltd | Administrative & support | 2015 |
| G Vaughan & Associates Limited | Extraterritorial | 2022 |
| G&A Construction Ltd | Construction | 2026 |
| G-Gee PR & Marketing Limited | Administrative & support | 2016 |
| G. S. Costume Limited | Professional & scientific | 2022 |
| G.A. Architects Ltd | Professional & scientific | 2013 |
| G.B Rigging ( UK ) Ltd | Manufacturing | 2015 |
| G.N.T.S Telecom Limited | Information & communication | 2017 |
| G3 Construction Ltd | Construction | 2024 |
| Gabe's Gelataria & Cafe Limited | Hospitality | 2017 |
| GAD 3 Ltd | Construction | 2022 |
| Gaia Cloud Solutions Limited | Information & communication | 2025 |
| Gaining Ground Ltd | Professional & scientific | 2022 |
| Gainthorpe Ltd | Information & communication | 2018 |
| Gaisford Professional Services Limited | Information & communication | 2023 |
| GAL Consultancy Limited | Information & communication | 2006 |
| Gallagher & Richards Developments Limited | Construction | 2000 |
| Gallop and Go Horse Transport Ltd | Administrative & support | 2023 |
| Game Consultants Limited | Professional & scientific | 2026 |
| Gamma Infinity Limited | Administrative & support | 2011 |
| Gardan Homes Limited | Construction | 2006 |
| Garden Cottages Ltd | Professional & scientific | 2019 |
| Gari London Ltd | Hospitality | 2015 |
| Garnham Lifts Ltd | Construction | 2024 |
| Garrd Limited | Construction | 2025 |
| Garrido Ltd | Hospitality | 2021 |
| Gary Levett Ltd | Professional & scientific | 2016 |
| Gary Ryan Music Ltd | Information & communication | 2020 |
| Gasbers Ltd | Construction | 2017 |
| Gastronomie Limited | Hospitality | 2026 |
| GAT Resources Co. Limited | Wholesale & retail | 2010 |
| Gatenside Investments Ltd. | Real estate | 2016 |
| Gateway Skills and Training Ltd | Education | 2023 |
| Gausden Kerswell Consulting Ltd | Information & communication | 2025 |
| Gaytradies Ltd | Information & communication | 2026 |
| GB & Associates Limited | Professional & scientific | 2019 |
| GB Mason Ltd | Information & communication | 2025 |
| GB Pallets Ltd | Manufacturing | 2020 |
| Gb-Gadgets Limited | Wholesale & retail | 2012 |
| GBM Consultancies Ltd | Information & communication | 2020 |
| Gcigcem International Technology Ltd | Manufacturing | 2015 |
| GCP Facilities Limited | Administrative & support | 2010 |
| GCP Real Estate Investments Ltd | Real estate | 2022 |
| GCS Accountancy & Finance Ltd | Professional & scientific | 2024 |
| GD Property Investment Ltd | Real estate | 2024 |
| GDH Construction Limited | Construction | 2023 |
| GDK Software Ltd | Information & communication | 2020 |
| GDL Construction (UK) Limited | Construction | 2011 |
| Gearnest Ltd | Real estate | 2025 |
| Gemini Gold Limited | Wholesale & retail | 2007 |
| Gemini Trade Solutions Ltd | Transport & logistics | 2016 |
| Gemrod Enterprises Limited | Real estate | 2026 |
| Gemstone Children Services Limited | Health & social care | 2025 |
| Genius Broker Group Ltd | Administrative & support | 2018 |