| Flex FD Limited | Professional & scientific | 2004 |
| Flintlow Limited | Wholesale & retail | 1992 |
| Floormaster Carpets Limited | Wholesale & retail | 1977 |
| Floris Books Trust Limited | Information & communication | 1989 |
| Flow Design & Build Limited | Construction | 2021 |
| Flynt Limited | Administrative & support | 1996 |
| Foleshill Warehouse Limited | Wholesale & retail | 2002 |
| Folk Trade Ltd | Wholesale & retail | 2024 |
| Folkes & Campbell Accountancy Services Limited | Professional & scientific | 1996 |
| Footie Limited | Wholesale & retail | 2026 |
| Forge Glass Limited | Professional & scientific | 1996 |
| Fortnocks Limited | Arts & recreation | 1995 |
| Forward Group Limited | Professional & scientific | 2001 |
| Forward Technology Fund Limited | Extraterritorial | 1998 |
| Forward Venture Management Limited | Professional & scientific | 1998 |
| Fossdale Limited | Professional & scientific | 1991 |
| Fountain House Flats Limited | Real estate | 2006 |
| Four Oaks Computer Centre Limited | Manufacturing | 2001 |
| Four Seasons Air Conditioning Supplies Limited | Energy | 1984 |
| Four Seasons Garden Design Limited | Administrative & support | 2000 |
| Francis Finance Limited | Professional & scientific | 1987 |
| Frank Baines Saddlery Limited | Manufacturing | 2002 |
| Fred Corbett's Garages Limited | Real estate | 1945 |
| Fred E Gittus Motorhomes Ltd | Wholesale & retail | 2004 |
| Fred Smith & Sons (Motor Bodies) Limited | Manufacturing | 1964 |
| Frederickson Williams & Co Limited | Professional & scientific | 2002 |
| French Ludlam & Co Limited | Professional & scientific | 2003 |
| Fresh Bakes Limited | Transport & logistics | 2006 |
| Fresh Delicacies Ltd T/A Eggless Cake Shop Ltd | Hospitality | 2021 |
| Fresh Hair Salon Limited | Other services | 2004 |
| Friends Corporation Limited | Financial services | 2004 |
| From Dimension X Limited | Administrative & support | 2002 |
| Frontline Tools Limited | Wholesale & retail | 2006 |
| Fudio Trade Ltd | Wholesale & retail | 2024 |
| Full Circle Design Consultants Limited | Professional & scientific | 2004 |
| Full Throttle Raceway Limited | Arts & recreation | 2005 |
| FUN for Kids Limited | Administrative & support | 1995 |
| Function Scope Limited | Information & communication | 2020 |
| Future Concepts Household Articles Limited | Wholesale & retail | 2023 |
| G & D Supplies Limited | Wholesale & retail | 2005 |
| G & M Hale Limited | Wholesale & retail | 2002 |
| G & S Haulage (Midlands) Ltd | Transport & logistics | 2024 |
| G B Textiles Limited | Administrative & support | 2003 |
| G M C Autos Ltd | Wholesale & retail | 2003 |
| G S Engineering Services Limited | Manufacturing | 2001 |
| G-Seq Homes Limited | Construction | 2006 |
| G. & F. Perry (Cash and Carry) Limited | Transport & logistics | 1946 |
| G. COX (Oldbury) Limited | Administrative & support | 1972 |
| G. Simmons & Sons Ltd. | Manufacturing | 2002 |
| G.P. Properties Limited | Construction | 1992 |
| G17 Accounting Services Ltd | Professional & scientific | 2007 |
| Gabrielli Lighting Limited | Extraterritorial | 2007 |
| Gabrielli Limited | Extraterritorial | 2007 |
| Gadgets & Gizmos Limited | Wholesale & retail | 1999 |
| Galaxy Innovations and Tech Co., Ltd. | Information & communication | 2023 |
| Galvanised Bolts and Nuts Limited | Administrative & support | 1964 |
| GAP-33 Limited | Hospitality | 2017 |
| Garina Design Limited | Professional & scientific | 1995 |
| Garnett IT Services Limited | Information & communication | 2002 |
| Garnstone Limited | Manufacturing | 1987 |
| Gartac Limited | Information & communication | 2003 |
| Gary Williams Civil Engineers Limited | Construction | 1997 |
| Gatefor Technology Co., Limited | Manufacturing | 2023 |
| GB Electrics (UK) Limited | Wholesale & retail | 2003 |
| GC Taxation Services Limited | Financial services | 2007 |
| GDA Consultancy Limited | Information & communication | 2004 |
| Gemini Partners Limited | Wholesale & retail | 2008 |
| Gemstone Electrical Limited | Transport & logistics | 2001 |
| Geneevision Limited | Education | 2006 |
| Generation Access Limited | Extraterritorial | 2004 |
| Generation Hire and Sales Limited | Extraterritorial | 2004 |
| Genesis Project International Limited | Administrative & support | 2004 |
| GEO. Johnson (Metals) Limited | Wholesale & retail | 2003 |
| Geodigm Limited | Information & communication | 1999 |
| George Green LLP | | 2007 |
| George Mann Associates Limited | Information & communication | 1997 |
| Geotechnical Limited | Construction | 2004 |
| Germany Vigro Chemical Group Co., Ltd | Mining & quarrying | 2023 |
| Gezenti Ltd | Wholesale & retail | 2025 |
| GHA Services LLP | | 2006 |
| Gibbs MEW Limited | Extraterritorial | 1898 |
| Gibtec Limited | Administrative & support | 1987 |
| Gilca Limited | Manufacturing | 1987 |
| Giles Lovell Limited | Administrative & support | 1989 |
| Gilies International Trade Co., Limited | Wholesale & retail | 2023 |
| Gilmore Building Supplies Limited | Wholesale & retail | 2006 |
| GIS It-Beratung Romagno Limited | Administrative & support | 2004 |
| Glass Replacements Limited | Construction | 2000 |
| Glassworks Equipment Limited | Manufacturing | 1964 |
| Glassworks Hounsell Limited | Manufacturing | 1941 |
| Glenpark (Midlands) Limited | Construction | 2003 |
| Global Control System Limited | Administrative & support | 2004 |
| Global Link Finance Limited | Real estate | 2000 |
| Global Star UK Solution Ltd | Wholesale & retail | 2023 |
| Globe Furniture Limited | | 2000 |
| Glory Zenith (UK) Commercial Company Limited | Wholesale & retail | 2024 |
| Gmtime Ltd | Wholesale & retail | 2023 |
| Go Ahead Service Limited | Administrative & support | 2004 |
| Go-Smart SBS Ltd | Other services | 2020 |
| Godiva Publishing Services Limited | Manufacturing | 2004 |