| Fulbourn Lodge Bar Services Limited | Administrative & support | 2018 |
| Fule International Trading Co., Ltd | Wholesale & retail | 2024 |
| Fulfilment Services Limited | Wholesale & retail | 2024 |
| Full Circle Fitness Ltd | Arts & recreation | 2005 |
| Full FUN Art and Craft Limited | Extraterritorial | 2015 |
| Full House Property (Developments) Limited | Construction | 2021 |
| Full Intensity Training Limited | Manufacturing | 2009 |
| Full Matrix Ltd | Professional & scientific | 2020 |
| Full Range Furniture Group Limited | Wholesale & retail | 2018 |
| Full Range Furniture Limited | Wholesale & retail | 2015 |
| Full Spectrum Accountancy and Tax Limited | Professional & scientific | 2009 |
| Fullfaith Resources Limited | Extraterritorial | 2019 |
| Fullsharp Diamondtools Co., Ltd | Mining & quarrying | 2025 |
| Fullsize Thinking Ltd | Administrative & support | 2022 |
| Fullstack Webapps Limited | Information & communication | 2023 |
| FULOP2014 Composites Ltd | Manufacturing | 2023 |
| Fultsco Ltd | Wholesale & retail | 2023 |
| Fumiya Iida Limited | Professional & scientific | 2022 |
| Fumuni Limited | Wholesale & retail | 2024 |
| Function 5 CIC | Manufacturing | 2024 |
| Function Factory Limited | Information & communication | 2013 |
| Function RX Limited | Professional & scientific | 2023 |
| Functionomic Ltd | Professional & scientific | 2019 |
| Funistrada Ltd | Information & communication | 2009 |
| Funkretch Design and Print Specialist Ltd | Other services | 2020 |
| Funky Scrubs (Cambridge) Ltd | Manufacturing | 2025 |
| FUR & Feather Limited | Wholesale & retail | 2000 |
| Furniture & Wood Association | Wholesale & retail | 2024 |
| Furniture File Limited | Wholesale & retail | 1991 |
| Furrat Amen Limited | Health & social care | 2016 |
| Furry Leaves Design Ltd | Arts & recreation | 2013 |
| Furrybun Ltd | Wholesale & retail | 2025 |
| Furtado Veterinary Imaging Consultants Ltd | Professional & scientific | 2025 |
| Furuee Trade Ltd | Wholesale & retail | 2025 |
| Furze and Manor Limited | Wholesale & retail | 2025 |
| Fuse Point Electrical Ltd | Construction | 2025 |
| Fusedframes Technologies Ltd | Information & communication | 2026 |
| Fuseohm Limited | Extraterritorial | 2018 |
| Fusion (Knights Park) Management Company Limited | Households | 2023 |
| Fusion Chiropractic Limited | Health & social care | 2018 |
| Fusion Luxury Design Limited | Manufacturing | 2014 |
| Future Build Brickwork Ltd | Construction | 2023 |
| Future Business Centre Ltd | Real estate | 2010 |
| Future City BEE Ltd | Professional & scientific | 2019 |
| Future Community Care Solutions Ltd | Health & social care | 2011 |
| Future Flex Tech. Co., Ltd. | Manufacturing | 2023 |
| Future Generation Property Investments Ltd | Real estate | 2025 |
| Future Plus Solutions Limited | Wholesale & retail | 2019 |
| Future Semiconductor International Limited | Manufacturing | 2024 |
| Futureplay Studios Limited | Wholesale & retail | 2024 |
| Futuresolv Ltd | Professional & scientific | 2003 |
| Futuro Solutions Ltd | Manufacturing | 2022 |
| Futurum Group Limited | Other services | 2019 |
| Fuwanna Ltd | Hospitality | 2022 |
| Fuxiang Network Technology Co., Ltd | Wholesale & retail | 2025 |
| Fuzhen UK Limited | Health & social care | 2017 |
| FVC IOT Solution Ltd | Manufacturing | 2024 |
| FXP Festival | Education | 2020 |
| Fylde Micro Limited | Manufacturing | 2003 |
| Fyne Horticulture Limited | Wholesale & retail | 2023 |
| FYP Logistics Ltd | Transport & logistics | 2022 |
| FYP Realty Ltd | Real estate | 2024 |
| FYP Refurb Ltd | Construction | 2023 |
| Fyug Ltd | Professional & scientific | 2008 |
| G & D Small Works Ltd. | Administrative & support | 2018 |
| G & H Scaffolding Ltd | Construction | 2002 |
| G a DOT Ltd | Wholesale & retail | 2018 |
| G a Renold Limited | Wholesale & retail | 2008 |
| G B Heating and Plumbing Services Ltd | Construction | 2018 |
| G Buta Ltd | Transport & logistics | 2021 |
| G Bygrave Limited | Professional & scientific | 2015 |
| G Carson Electrical Ltd | Construction | 2013 |
| G D Dixon & SON Ltd | Agriculture & fishing | 2003 |
| G Hughes Associates Ltd | Transport & logistics | 2021 |
| G M Pake & SON Limited | Construction | 2008 |
| G Nest Properties Ltd | Real estate | 2021 |
| G O Safety Solutions Ltd | Professional & scientific | 2017 |
| G R Build Ltd | Construction | 2025 |
| G Roberts Property Ltd | Real estate | 2024 |
| G Saunders Consultancy Ltd | Information & communication | 2021 |
| G Scarr Carpentry and Joinery Limited | Construction | 2006 |
| G Soft Developmnet Ltd | Information & communication | 2026 |
| G T Composites Ltd | Manufacturing | 2019 |
| G&C Global Sourcing Co., Limited | Extraterritorial | 2017 |
| G&G Astroapps Ltd | Information & communication | 2015 |
| G&G Astroeducation Ltd | Education | 2015 |
| G&G Innovation Ltd | Information & communication | 2025 |
| G&R8 Limited | Hospitality | 2024 |
| G&Z International Trade Limited | Other services | 2017 |
| G-Core Limited | Construction | 2014 |
| G-Fegn Group Ltd | Other services | 2020 |
| G-Spark Electrical Services Ltd. | Construction | 2006 |
| G. & M.A. Wedd Limited | Agriculture & fishing | 1947 |
| G. Webb Aggregates Limited | Extraterritorial | 1984 |
| G. Webb Haulage Limited | Wholesale & retail | 1964 |
| G. Webb Holdings Limited | Financial services | 2024 |
| G. Webb Services Limited | Professional & scientific | 1982 |
| G.A.D. Composite Ltd | Manufacturing | 2022 |
| G.B. Geotechnics Limited | Professional & scientific | 1987 |
| G.C. Lacey & SON Limited | Professional & scientific | 1979 |