| Frohlich Limited | Information & communication | 2010 |
| FSD Electrical Services Limited | Construction | 2009 |
| FSD Employee Services Limited | Administrative & support | 2017 |
| FSD Group Limited | Financial services | 2020 |
| FSD Mech Limited | Manufacturing | 2012 |
| Fsru Solutions Ltd | Professional & scientific | 2020 |
| FST Equestrian, Agricultural & Estate Management Limited | Real estate | 2019 |
| FTA Extinguishers Limited | Public administration | 2024 |
| FTS Holdings Ltd | Other services | 2024 |
| Fuel Fitness Gym Limited | Arts & recreation | 2014 |
| Fueld Learning Ltd | Administrative & support | 2023 |
| Fulcrum Data Forensics Limited | Information & communication | 2007 |
| Full Service Ltd | Professional & scientific | 2023 |
| Fully Alive Limited | Health & social care | 2017 |
| FUN Flippers Limited | Manufacturing | 2024 |
| Furback & Langtry Limited | Professional & scientific | 2006 |
| Furlong Ground Stabilisation Limited | Construction | 2026 |
| Furniture Contracts Limited | Manufacturing | 1991 |
| Furnival Group Holdings Limited | Financial services | 2024 |
| Furze Hollow Management Company Limited | Households | 2008 |
| Furzefield Homes Limited | Construction | 2021 |
| Fusion Films Ltd | Information & communication | 2023 |
| Futsal Fever Ltd | Arts & recreation | 2015 |
| Future Care Health Ltd | Health & social care | 2024 |
| Future Focus Mediation Ltd | Other services | 2023 |
| Fyvr Consulting Limited | Professional & scientific | 2015 |
| G & N Cleaning and Maintenance Ltd | Administrative & support | 2017 |
| G Routleff Construction Limited | Construction | 2016 |
| G.B. Elias Antiques Limited | Wholesale & retail | 2003 |
| G.O.A.T Nail Ltd | Other services | 2024 |
| Gabriella Consulting Limited | Professional & scientific | 2018 |
| Gadeselli Consulting Limited | Professional & scientific | 2016 |
| Gadget Grotto Limited | Wholesale & retail | 2006 |
| Gaicka Limited | Information & communication | 1994 |
| Gainsborough Court Residents Company Limited | Households | 2004 |
| Gallery Products Engineering Limited | Extraterritorial | 1999 |
| Galore Central Ltd | Wholesale & retail | 2022 |
| Galore East Limited | Wholesale & retail | 2022 |
| Galore London Limited | Wholesale & retail | 2022 |
| Galore MID Limited | Wholesale & retail | 2022 |
| Galore NE Limited | Wholesale & retail | 2022 |
| Galore North Limited | Wholesale & retail | 2022 |
| Galore Region a Ltd | Wholesale & retail | 2023 |
| Galore Region B Ltd | Wholesale & retail | 2023 |
| Galore Region C Ltd | Wholesale & retail | 2023 |
| Galore South Ltd | Wholesale & retail | 2022 |
| Galore Southe Ltd | Wholesale & retail | 2022 |
| Galore SW Limited | Wholesale & retail | 2022 |
| Galore West Limited | Wholesale & retail | 2022 |
| Gameloom AI Ltd | Information & communication | 2025 |
| Garden Hill Management Limited | Real estate | 2019 |
| Garlyn Import Export Ltd | Wholesale & retail | 2024 |
| Gartenhaus Ltd | Manufacturing | 2020 |
| Garth Mews Management Limited | Real estate | 1982 |
| Gartrac Limited | Manufacturing | 1973 |
| Gatton Park Management Limited | Households | 2020 |
| Gatwick Audiology Ltd | Health & social care | 2009 |
| Gatwick Belmont Limited | Hospitality | 2001 |
| Gatwick Golf Limited | Wholesale & retail | 2025 |
| Gauze House Ltd | Information & communication | 2025 |
| Gbestb Limited | Administrative & support | 2021 |
| GC Consultants Limited | Administrative & support | 2001 |
| Gccg Media Ltd | Professional & scientific | 2022 |
| Gcld Limited | Arts & recreation | 2005 |
| GCP Electrical Limited | Construction | 2006 |
| Geek Creative Limited | Other services | 2005 |
| Geko Agencies Limited | Transport & logistics | 1997 |
| Gemmalmx Ltd | Professional & scientific | 2019 |
| GEN2 Broking Holdings Limited | Financial services | 2017 |
| GEN2 Broking Ltd | Financial services | 1997 |
| GEN2 Group Limited | Financial services | 2017 |
| General Software Investments Ltd | Financial services | 2022 |
| General Solutions & Services Ltd | Households | 2018 |
| Generation CFO Ltd | Information & communication | 2019 |
| Genesis Marine Limited | Other services | 2017 |
| Geniscode Ltd | Information & communication | 2025 |
| George Brownz Ltd | Professional & scientific | 2019 |
| GET UP Entertainment Ltd | Arts & recreation | 2025 |
| Geuma Limited | Administrative & support | 2021 |
| Gifford Grant Limited | Construction | 1995 |
| Gift Universe (Wholesale) Limited | Wholesale & retail | 2013 |
| Gift Universe Dormant Limited | Other services | 2011 |
| Gift Universe Group Limited | Administrative & support | 2009 |
| Gift Universe Limited | Administrative & support | 2009 |
| Gigwizard.Com Limited | Professional & scientific | 2001 |
| Gill's Consulting Ltd | Professional & scientific | 2026 |
| Ginza Properties Limited | Real estate | 2017 |
| Girard Services Limited | Administrative & support | 2018 |
| GJB Estates Limited | Real estate | 2014 |
| GJD Joinery & Cabinetry Ltd | Manufacturing | 2026 |
| GJM Property Holdings One Limited | Real estate | 2023 |
| GJM Property Holdings Two Limited | Construction | 2024 |
| GJM Residential One Limited | Real estate | 2025 |
| GJM Residential Two Limited | Real estate | 2026 |
| GL Consultancy Services Limited | Professional & scientific | 2025 |
| GL Energy Limited | Construction | 2021 |
| GL Healthcare Consultancy Ltd | Health & social care | 2023 |
| Glenside Management Limited | Households | 1997 |
| GLM Automotive Limited | Wholesale & retail | 2023 |
| Gloaming Productions Ltd | Information & communication | 2025 |