| Florence Property Developments Ltd | Construction | 2023 |
| Flossie's Corner Ltd | Wholesale & retail | 2025 |
| Flowrescent Ltd | Professional & scientific | 2024 |
| Flowtech Innovations Ltd | Construction | 2024 |
| Flynn Family Partnership LLP | | 2022 |
| Ford & Ford Laser Limited | Other services | 2018 |
| Fortitude Cost Management Limited | Professional & scientific | 2012 |
| Fortress Real Estate Limited | Real estate | 2021 |
| Frankie Rigging Limited | Manufacturing | 2023 |
| Fratelli Sealants Limited | Construction | 2007 |
| Free Grants Insulation Ltd | Construction | 2025 |
| Frontier FSK Limited | Other services | 2012 |
| Frontier Property Holdings Ltd | Real estate | 2017 |
| Frontier Property Partnership LLP | | 2022 |
| Frydays NE Ltd | Hospitality | 2024 |
| Fuelled by Ltd | Professional & scientific | 2024 |
| Fujifilm Diosynth Biotechnologies Pension Trustees Limited | Professional & scientific | 1999 |
| Fujifilm Diosynth Biotechnologies UK Limited | Manufacturing | 2006 |
| Fulcher-Baker Holdings Ltd | Real estate | 2018 |
| Fulcher-Baker Partnership LLP | | 2019 |
| Funeral Videos UK Limited | Information & communication | 2021 |
| FUR the Love of Pets Limited | Professional & scientific | 2023 |
| Fusion Developments NE Ltd | Real estate | 2023 |
| Fusion Facilities Electrical Contractors Ltd | Construction | 2016 |
| Future Coffee Shops Ltd | Wholesale & retail | 2021 |
| Future Investments & Developments Limited | Construction | 2016 |
| Future World Technology Limited | Information & communication | 2021 |
| G & M Wholesale Ltd | Wholesale & retail | 2025 |
| G and G Jackson Investments Ltd | Real estate | 2025 |
| G Hancock WP Ltd | Administrative & support | 2024 |
| G Mckenna Building Services Limited | Construction | 2015 |
| G&C Lander WP Ltd | Administrative & support | 2024 |
| G.B. Belting Ltd | Manufacturing | 1996 |
| G3 Fleet Services Limited | Transport & logistics | 2019 |
| GAC Systems Limited | Administrative & support | 2016 |
| Gads Holdings LLP | | 2022 |
| Gads Maintenance Ltd | Wholesale & retail | 2018 |
| Gads Properties Ltd | Real estate | 2016 |
| Gain Spvkl Ltd | Construction | 2019 |
| Galia Digital Ltd | Information & communication | 2012 |
| Galloway Holdings Ltd | Real estate | 2021 |
| Gannon Family Partnership LLP | | 2022 |
| Garbutt Electrical Services Ltd | Construction | 2014 |
| Garden Room Solutions NE Ltd | Construction | 2025 |
| Gardiner Consulting Limited | Professional & scientific | 2019 |
| Gaston Property Development Limited | Real estate | 2020 |
| GC Orthopaedics Limited | Health & social care | 2026 |
| GC Property Management LLP | | 2008 |
| GCA Domestic Limited | Transport & logistics | 1976 |
| GD Foster Logistics Ltd | Transport & logistics | 2025 |
| GD Technical Services Limited | Professional & scientific | 2025 |
| Geen Services Limited | Professional & scientific | 2021 |
| Geeta Patel Properties Ltd | Real estate | 2025 |
| GEM Care Partnership LLP | | 2021 |
| GEM Supplies International Limited | Wholesale & retail | 2015 |
| Generate Payroll Ltd | Administrative & support | 2019 |
| Geneva Brasswind Limited | Manufacturing | 2016 |
| Geneva Foundation CIC | Education | 2025 |
| Geneva Instruments Limited | Wholesale & retail | 2022 |
| Geoffrey Robinson Limited | Construction | 1972 |
| GET More Breaks Limited | Real estate | 2021 |
| Getz Construction Ltd | Construction | 2022 |
| Getz Felling Ltd | Construction | 2022 |
| Getz Ltd | Professional & scientific | 2021 |
| Getz Robin Hood Ltd | Construction | 2022 |
| GGB IT Solutions Limited | Information & communication | 2019 |
| Ghada BAD Ltd | Health & social care | 2022 |
| Ghatahora Holdings Ltd | Real estate | 2023 |
| Ghatahora Partnership LLP | | 2023 |
| Ghost Kitchen Foods Ltd | Manufacturing | 2021 |
| Gidar House (Freehold) Ltd | Real estate | 2024 |
| Gidar House (Rentals) Ltd | Real estate | 2023 |
| Giles & Alison Church LLP | | 2023 |
| Gilkinson LLP | | 2021 |
| GKR Partners Ltd. | Administrative & support | 2016 |
| GKS Building Services Ltd | Construction | 2016 |
| Gleneagles Estates & Lettings Limited | Real estate | 2025 |
| Global Consulting Services Limited | Professional & scientific | 2025 |
| Global Diving Magnets Ltd | Manufacturing | 2023 |
| Global Generator Services Limited | Manufacturing | 2024 |
| Global Mart 360 Limited | Wholesale & retail | 2026 |
| Global Transport & Return Services Ltd Ltd | Wholesale & retail | 2026 |
| Gloria’S Anaesthetics Care Ltd | Health & social care | 2023 |
| Glrc Rigging Ltd | Construction | 2019 |
| GMG Boost Ltd | Real estate | 2024 |
| Golf Gazebo Limited | Hospitality | 2020 |
| Goodchild Mechanical Ltd | Manufacturing | 2017 |
| Goodhind Family Partnership LLP | | 2022 |
| Gopinath Limited | Health & social care | 2010 |
| Gordon Laboratory (Middle East) Limited | Health & social care | 2004 |
| Gostone Limited | Manufacturing | 2017 |
| GPS Decorators Limited | Construction | 2015 |
| Grace & Maman Limited | Hospitality | 2017 |
| Gracevilleheritage Ltd | Manufacturing | 2025 |
| Grad Family Holdings Ltd | Real estate | 2022 |
| Grad Family Partnership LLP | | 2022 |
| Grade Line (UK) Limited | Other services | 2000 |
| Graeme Storm Golf Academy Ltd | Wholesale & retail | 2020 |
| Graham Anderson Family Holdings Ltd | Real estate | 2021 |
| Graham Anderson Family Partnership LLP | | 2021 |