| Foreman's PUB Limited | Hospitality | 2021 |
| Foremans Fishery Ltd | Agriculture & fishing | 2023 |
| Forest Moon Cat Hotel Ltd | Other services | 2025 |
| Forgedash Ltd | Information & communication | 2026 |
| Formed Fabrication Limited | Wholesale & retail | 2016 |
| Fortior Group Ltd | Professional & scientific | 2026 |
| Fortior Holdings Limited | Financial services | 2021 |
| Foster Build Limited | Construction | 2017 |
| Foster Building Services Limited | Construction | 2011 |
| Foster Holdings (Fenland) Ltd | Construction | 2013 |
| Foster Property & Building Group Limited | Construction | 2017 |
| Foster Property Developments (Fenland) Ltd | Construction | 2015 |
| Foster Property Developments Limited | Construction | 2005 |
| Foster Residential Lettings Ltd | Real estate | 2015 |
| Foto-Digital Ltd | Extraterritorial | 2023 |
| Fountain Construction (Anglia) Limited | Construction | 2013 |
| Fountain Food Machinery Limited | Professional & scientific | 2015 |
| Fountain Foods Limited | Manufacturing | 1996 |
| Fountain Fresh Imports Limited | Agriculture & fishing | 2014 |
| Fountain Investments (East Anglia) Limited | Real estate | 2005 |
| Four Point Zero Property Management Ltd | Real estate | 2016 |
| Fowler Build Ltd | Construction | 2018 |
| FR Trasport Limited | Administrative & support | 2019 |
| Fractal Collective Limited | Professional & scientific | 2024 |
| Frankham & Sons Holdings Ltd | Financial services | 2025 |
| Franklin Industrial Supplies Limited | Wholesale & retail | 2009 |
| Franz Fischer Logistics Solutions UK Ltd | Transport & logistics | 2015 |
| Fraser Dawbarns Wealth Management Limited | Real estate | 2009 |
| Fred Hartley (Estates) Limited | Agriculture & fishing | 1947 |
| Free to BE CIC | Education | 2026 |
| Fresh Table Ltd | Hospitality | 2020 |
| Friars 820 Limited | Financial services | 2021 |
| Frieden Limited | Agriculture & fishing | 2017 |
| Frose Consulting Ltd | Professional & scientific | 2025 |
| FRP Group Holdings Ltd | Professional & scientific | 2001 |
| Fruit Farm Limited | Financial services | 2014 |
| Fruitlink (Wisbech) Limited | Wholesale & retail | 1973 |
| FS Fabrication Service Limited | Manufacturing | 2023 |
| FTL Commercials Ltd | Wholesale & retail | 2013 |
| FU Dogs Limited | Other services | 2019 |
| Funky Howler (London) Ltd | Professional & scientific | 2026 |
| FURI69 Ltd | Administrative & support | 2018 |
| Fusion Stunts Limited | Information & communication | 2022 |
| Futureproof Student Consultancy Ltd | Professional & scientific | 2025 |
| G Mills Technical Limited | Health & social care | 2003 |
| G N G Scaffolding Limited | Construction | 2011 |
| G Patrick & Sons Limited | Construction | 2003 |
| G W Harrington Limited | Agriculture & fishing | 2014 |
| G&A Group Ltd | Wholesale & retail | 2024 |
| G.S. & A.J. Rider Ltd. | Construction | 1998 |
| G2L-UNITY Limited | Information & communication | 2010 |
| G3M Limited | Wholesale & retail | 2025 |
| G3R Solutions Ltd | Health & social care | 2015 |
| G8 Services UK Ltd | Construction | 2025 |
| Gadd Consultants Limited | Information & communication | 2025 |
| Gale Estates Limited | Agriculture & fishing | 1964 |
| Garden Communities Limited | Construction | 2017 |
| Garrett Construction Ltd | Manufacturing | 2023 |
| Gary Sell Plumbing and Heating Limited | Construction | 2026 |
| Gastgro Hospitality Advisors Limited | Professional & scientific | 2024 |
| Gavrilov Family Ltd | Health & social care | 2016 |
| GB Design Ltd | Extraterritorial | 2024 |
| GB72 Engineering Limited | Professional & scientific | 2025 |
| GBC Construction Limited | Construction | 2013 |
| GBL Auto Ltd | Wholesale & retail | 2019 |
| Geoff Bailey Ltd | Administrative & support | 2016 |
| Geoff Clark Limited | Professional & scientific | 2012 |
| Geometric 2020 Ltd | Construction | 2020 |
| Georgevaly Ltd | Transport & logistics | 2020 |
| GET Transfer London Ltd | Transport & logistics | 2024 |
| GFS Fresh Limited | Wholesale & retail | 2016 |
| GH Hair Design Ltd | Other services | 2025 |
| Gibb Holdings Ltd | Financial services | 2025 |
| Gigapop (East Anglia) Limited | Real estate | 2024 |
| Giles Landscapes and Management Ltd | Administrative & support | 2014 |
| Giles Landscapes Wymondham POS Limited | Administrative & support | 2016 |
| Ginley Services Ltd | Hospitality | 2023 |
| GJB Property Investments Limited | Financial services | 2004 |
| GJM Property Holdings Ltd | Construction | 2018 |
| GJS Metal Formation Limited | Manufacturing | 2013 |
| Gladwell Care Limited | Health & social care | 2023 |
| Glam Graze Limited | Hospitality | 2018 |
| Glamour Nails and Beauty Spa Ltd | Other services | 2019 |
| Glenhart Productions Limited | Information & communication | 1999 |
| Global Asset Management Partners Ltd | Wholesale & retail | 2015 |
| Global Food Services Limited | Hospitality | 2018 |
| Global Stock Hub Limited | Wholesale & retail | 2025 |
| Glover's Property Services Limited | Construction | 2024 |
| GLW Engineering + Construction Limited | Manufacturing | 2005 |
| GLW Engineering Limited | Extraterritorial | 2010 |
| GMG Civils Ltd | Construction | 2023 |
| GMG Site Services Limited | Construction | 2015 |
| GO2FLEET Solutions Limited | Wholesale & retail | 2025 |
| Gogloves Ltd | Health & social care | 2023 |
| Golden Grocery Shop Ltd | Wholesale & retail | 2026 |
| Golding Feeds & Nursery Ltd | Wholesale & retail | 2005 |
| Good Kebab Limited | Hospitality | 2026 |
| Goodales Orchards Limited | Agriculture & fishing | 1948 |
| Goodhew Demolition Ltd | Construction | 2026 |
| Goodman Bros Limited | Wholesale & retail | 2014 |