| Forbes Events Limited | Hospitality | 2024 |
| Forster Associates Limited | Professional & scientific | 2000 |
| Forsyth Farriers Limited | Administrative & support | 2006 |
| Fortin Services Ltd | Administrative & support | 2006 |
| Fortis BLU Limited | Professional & scientific | 2023 |
| Fortress Capital & Recovery Limited | Administrative & support | 2018 |
| Fortuna Consultancy Services Limited | Professional & scientific | 2021 |
| Forward Link Transport Ltd | Transport & logistics | 2021 |
| Foundry Peterborough Ltd | Arts & recreation | 2026 |
| Fourth Pyramid Construction Limited | Construction | 2024 |
| FOX Paving Specialists Limited | Construction | 2018 |
| Foxred Video Limited | Information & communication | 2020 |
| FOY Import Ltd | Administrative & support | 2026 |
| FP Ltd | Extraterritorial | 2009 |
| Frankel Newmarket Limited | Administrative & support | 2022 |
| Fraser Thompson Ltd | Wholesale & retail | 2002 |
| Freehold 8 Cardigan ST Ltd | Real estate | 2007 |
| Freelance Informer Ltd | Information & communication | 2019 |
| Fresh (Care Consulting) Limited | Professional & scientific | 2007 |
| Fresh Watermelon Ltd | Wholesale & retail | 2025 |
| FU Limited | Extraterritorial | 2014 |
| Fuel Energy UK Ltd | Wholesale & retail | 2021 |
| Fuel the Drive Ltd | Information & communication | 2021 |
| Fuller Homes Ltd | Real estate | 2023 |
| Fumarre Ltd | Wholesale & retail | 2025 |
| Fumebar Limited | Administrative & support | 2022 |
| Funding Connect Group Ltd | Information & communication | 2025 |
| Furlong Building Limited | Construction | 2015 |
| Fusion Conferences & Events Limited | Financial services | 2023 |
| Fusion Conferences Ltd | Administrative & support | 2008 |
| Fussey's Removals Ltd | Transport & logistics | 2024 |
| Future Freedom Record (UK) Ltd | Manufacturing | 2021 |
| Future Today Recycling Limited | Wholesale & retail | 2023 |
| FX Ltd | Extraterritorial | 2021 |
| FYK Construction Ltd. | Construction | 2018 |
| FYK Trade Limited | Construction | 2020 |
| G & H Consultants Limited | Professional & scientific | 2016 |
| G & M Quality Fruit & Vegetables Limited | Wholesale & retail | 2025 |
| G a Autocentre Limited | Wholesale & retail | 2010 |
| G Factor Ltd | Real estate | 2016 |
| G J Properties (Cambridge) Limited | Real estate | 2018 |
| G J Property Maintenance (Cambridge) Limited | Construction | 2022 |
| G L Building and Design Services Ltd | Construction | 2013 |
| G P Plumbing & Heating Ltd | Construction | 2003 |
| G. P. P. Building Services Ltd | Construction | 2020 |
| G.G.C. Valves Ltd | Wholesale & retail | 2007 |
| GAG334 Limited | Construction | 2011 |
| GAG385 (Hunton) Limited | Construction | 2013 |
| Gainsborough Thoroughbreds Ltd | Professional & scientific | 2014 |
| Galactic Task Force Ltd | Administrative & support | 2022 |
| Gallop Club Syndicates Limited | Arts & recreation | 2025 |
| Ganmer Limited | Professional & scientific | 1998 |
| Gansera-Leveque Limited | Arts & recreation | 2017 |
| Ganz Property Ltd | Real estate | 2018 |
| Garden House Investments Limited | Financial services | 2023 |
| Garrard Education Associates Ltd | Education | 2014 |
| Garthwaite Digital Ltd | Professional & scientific | 2014 |
| Gary Powell Building Services Limited | Construction | 2003 |
| Gauntlet Properties Limited | Energy | 2006 |
| GAY Kelleway Racing Limited | Professional & scientific | 1997 |
| Gazeley Coachbuilders Ltd | Manufacturing | 2012 |
| Gazeley Group Limited | Extraterritorial | 2022 |
| GD Racing Limited | Arts & recreation | 2020 |
| Gdpr Technologies Limited | Information & communication | 2017 |
| Ge&Cfw Limited | Hospitality | 2020 |
| Gelling Family Office Limited | Real estate | 2017 |
| Gemma Hussey Marketing Limited | Professional & scientific | 2019 |
| Genesis Green Stud Limited | Agriculture & fishing | 1993 |
| Genesis Surveying Ltd | Professional & scientific | 2025 |
| Genus VS Limited | Financial services | 2004 |
| Geo:Connexion Limited | Information & communication | 2001 |
| Geoff Hayward Consulting Limited | Education | 2022 |
| Geoff Yeoman Limited | Real estate | 1996 |
| George Boughey Racing Ltd | Arts & recreation | 2021 |
| George Margarson Racing Limited | Administrative & support | 2007 |
| George Wickham Partners Limited | Extraterritorial | 1972 |
| Georgia House Newmarket Limited | Agriculture & fishing | 2025 |
| Gett Roofing Ltd | Construction | 2019 |
| GG Bloodstock and Racing Ltd | Arts & recreation | 2018 |
| GGH Hospitality Ltd | Hospitality | 2024 |
| GH Manufacturing Consultants Limited | Manufacturing | 2009 |
| Ghandruk Limited | Financial services | 2021 |
| GI Taxis Suffolk Ltd | Transport & logistics | 2020 |
| Gibson Saddlers Limited | Manufacturing | 1954 |
| Giffords Hall Farm Partnership LLP | | 2011 |
| Gilligan Fencing Limited | Manufacturing | 2001 |
| Gills Inns Ltd | Hospitality | 2024 |
| Giltoption Limited | Professional & scientific | 1987 |
| GIN in a TIN Limited | Manufacturing | 2026 |
| GJ Ltd | Extraterritorial | 2023 |
| Gjmw Limited | Financial services | 2023 |
| GJT Associates Limited | Professional & scientific | 2003 |
| GKD Groundworks Limited | Construction | 2002 |
| GL Investment Properties Ltd | Real estate | 2019 |
| Glamour Newmarket Limited | Other services | 2019 |
| Glamping Hideaways Limited | Extraterritorial | 2019 |
| Glance Cleaning Services Ltd | Administrative & support | 2017 |
| Glebe Stud Limited | Other services | 2012 |
| Glenborrodale Investments Limited | Agriculture & fishing | 2023 |
| Glenn RIX Plumbing & Heating Limited | Construction | 2008 |