| Foxy Sewage Ltd | Water & waste | 2026 |
| Fraclabs Ltd | Information & communication | 2022 |
| Franchise Accounting Secretaries Ltd | Professional & scientific | 2005 |
| Franchise Accounting Services Group Ltd | Professional & scientific | 2023 |
| Franchise Accounting Services HR Ltd | Professional & scientific | 2023 |
| Franchise Accounting Services Limited | Professional & scientific | 1996 |
| Franchise Accounting Services Merstham Ltd | Professional & scientific | 2023 |
| Franchise Accounting Services Redhill Ltd | Professional & scientific | 2023 |
| Francis Kyle Collection Limited | Wholesale & retail | 2015 |
| Frank Developments Limited | Real estate | 2016 |
| Frank Freeholds Ltd | Households | 2018 |
| Frank Smith Building Solutions Ltd | Professional & scientific | 2015 |
| Franklin Music CIC | Education | 2024 |
| Fraser Designed Limited | Professional & scientific | 1999 |
| Fraudops Limited | Information & communication | 2025 |
| Freelove Investments Ltd | Households | 2021 |
| Fremen Limited | Administrative & support | 2012 |
| Frenchfrost Media Limited | Professional & scientific | 2019 |
| Frenzy Clothing Ltd | Wholesale & retail | 2025 |
| Fresh Mindset Ltd | Administrative & support | 2009 |
| Frewer & Co. Engineers Limited | Professional & scientific | 2003 |
| Frewer Engineering Group Limited | Financial services | 2019 |
| Friars Wood Management Limited | Households | 1969 |
| Friends of the Garibaldi Community Interest Company | Wholesale & retail | 2017 |
| Friller UK Limited | Wholesale & retail | 2014 |
| From the Ashes Film Limited | Information & communication | 2015 |
| Front Room Songs Ltd | Arts & recreation | 2018 |
| Fuhr Logistics Ltd | Transport & logistics | 2018 |
| Fulcrum Commercial Kitchens Limited | Wholesale & retail | 2010 |
| Fulger Construction Ltd | Manufacturing | 2024 |
| Full Works Bathroom Installations Limited | Wholesale & retail | 2006 |
| FUN Cushions LLP | | 2014 |
| Functional Ltd | Information & communication | 2018 |
| Furnistore in East Surrey Limited | Wholesale & retail | 2006 |
| Furze Place (Redhill) Residents Limited | Households | 2002 |
| Future Fit Knees Limited | Health & social care | 2024 |
| Future Routes CIC | Education | 2026 |
| Fuzzy Logic Ltd | Wholesale & retail | 2025 |
| G & B Ingredients Limited | Wholesale & retail | 2016 |
| G Print Limited | Manufacturing | 2002 |
| G.M Fraternity Ltd | Professional & scientific | 2019 |
| G.S.Head Limited | Manufacturing | 1972 |
| G3J Limited | Professional & scientific | 2010 |
| GA Engineering Services Limited | Professional & scientific | 2022 |
| Gaea Educational Systems Ltd | Education | 1996 |
| Galla Trading Limited | Wholesale & retail | 2013 |
| Gallagher Rush Ltd | Wholesale & retail | 2022 |
| Game Ready Global UK Ltd | Administrative & support | 2007 |
| Gardenscapes Design & Build Ltd | Administrative & support | 2022 |
| Garland House Ltd. | Real estate | 1999 |
| Garland Lift Services Limited | Manufacturing | 2015 |
| Garland Properties Limited | Real estate | 2000 |
| Garlands Freehold Ltd | Households | 2025 |
| Garnier & Company Limited | Extraterritorial | 2000 |
| GAS 4 Air Conditioning Limited | Other services | 2010 |
| GAS Ryan Limited | Construction | 2017 |
| Gasp! Theatre Company Ltd | Arts & recreation | 2023 |
| Gath & Chaves Limited | Professional & scientific | 1912 |
| Gather NO Moss Limited | Professional & scientific | 2002 |
| Gatwick Airport Transfers Ltd | Transport & logistics | 2026 |
| Gatwick Fast CAB Ltd | Transport & logistics | 2018 |
| Gatwick Gate Cars Limited | Transport & logistics | 2025 |
| Gatwick Recruitment and Training Limited | Administrative & support | 2009 |
| Gatwick Residential Properties Limited | Real estate | 1988 |
| Gatwick Scaffolding Limited | Construction | 1989 |
| Gayton Court (Reigate) Limited | Households | 1966 |
| Gazail Mental Health Services Ltd | Health & social care | 2011 |
| GBJ Financial Limited | Professional & scientific | 2004 |
| GBJ Group Ltd | Financial services | 2020 |
| GBJ Holdings Ltd | Financial services | 2022 |
| GBJ Limited Liability Partnership | | 2003 |
| GD Tax and Law LLP | | 2021 |
| General and Central News Limited | Administrative & support | 2009 |
| General Auctions Limited | Other services | 1960 |
| General Property Partnerships Limited | Administrative & support | 1995 |
| General Surgery Solutions Kent Ltd | Health & social care | 2024 |
| Genesis Consultancy 116 Limited | Professional & scientific | 2015 |
| Genistar Holdings Limited | Financial services | 2022 |
| Gents Spot Barbers Limited | Other services | 2025 |
| GEO Builds Ltd | Construction | 2022 |
| GEO Transport Services Ltd | Transport & logistics | 2024 |
| Geoffreys Lodge Residents Company Limited | Households | 2006 |
| George Goose Developments Limited | Construction | 2016 |
| George’S Gardens Group Ltd | Professional & scientific | 2026 |
| Georgiades Investments Limited | Financial services | 2022 |
| Get-Home Ltd | Manufacturing | 2012 |
| GFR Holdings Limited | Professional & scientific | 2016 |
| GFR Racing Limited | Wholesale & retail | 2016 |
| Ggingo Investmnets Ltd | Health & social care | 2022 |
| GH Property Services Limited | Construction | 2017 |
| Gians Medical Services Ltd | Health & social care | 2015 |
| Giant Sound Limited | Information & communication | 2019 |
| Gigi Constructer Ltd | Construction | 2025 |
| Gilbert Cooling Services Limited | Construction | 2026 |
| Gilbert Group (South East) Limited | Construction | 2023 |
| Gillespie Group Limited | Real estate | 2025 |
| GLASS4CARS Ltd | Wholesale & retail | 2015 |
| Glebe Cottage Cattery Ltd | Agriculture & fishing | 2024 |
| Glebe Place RTM Company Limited | Households | 2020 |
| Glen Williamson Consulting Ltd | Other services | 2012 |