| First Choice Minibus Hire Ltd | Transport & logistics | 2016 |
| Fish Cave Aquatics Ltd | Wholesale & retail | 2023 |
| Fish Tank Solutions Ltd | Information & communication | 2018 |
| Fitness Empire Ltd | Arts & recreation | 2023 |
| Fitzroy Property Services Limited | Real estate | 2011 |
| FIX- IT Mobiles & Laptops Ltd | Wholesale & retail | 2026 |
| Fixes-Hub Limited | Manufacturing | 2022 |
| Flattout Towbars & Transport Ltd | Wholesale & retail | 2022 |
| Flavel Property Ltd | Real estate | 2021 |
| Flawless Jewellers Ltd | Manufacturing | 2022 |
| Fletcher Associates (Recruitment) Ltd | Administrative & support | 2025 |
| Fletcher Associates Consulting Ltd | Administrative & support | 2013 |
| Fletcher Associates Limited | Administrative & support | 2012 |
| Flexi Forklift Rental Limited | Administrative & support | 1974 |
| Flip ‘N’ FLY Bungee Fit Ltd | Arts & recreation | 2022 |
| Floataire Limited | Manufacturing | 1998 |
| Flora Co Associates Ltd | Administrative & support | 2020 |
| Flora Co Properties Ltd | Real estate | 2022 |
| Flora Partners Ltd | Administrative & support | 2026 |
| Flow Consult Limited | Professional & scientific | 2020 |
| Fltr Aesthetics and Beauty Ltd | Professional & scientific | 2024 |
| FM Support Services Ltd | Construction | 2016 |
| Food 4 Thought Blakedown Ltd | Hospitality | 2023 |
| Fordhouse Limited | Extraterritorial | 2015 |
| Fore Property Investments Ltd | Real estate | 2022 |
| Forge & Form Limited | Manufacturing | 2025 |
| Fortress Security Limited | Construction | 1998 |
| Forward Capital Limited | Construction | 2025 |
| FOUR10 Group Ltd | Professional & scientific | 2025 |
| Fourpoint Locksmith Ltd | Professional & scientific | 2010 |
| Fourways Coffee Ltd | Wholesale & retail | 2025 |
| FOX CC Ltd | Construction | 2023 |
| FOX Norton Electrical Services Ltd | Construction | 2017 |
| FOX Pedmore Limited | Construction | 2002 |
| Frameclad Group Limited | Financial services | 2022 |
| Francis Bayman Properties Limited | Real estate | 2021 |
| Frank Loverock Limited | Construction | 1957 |
| Freelance Associates Ltd | Transport & logistics | 2017 |
| Frenco International Limited | Manufacturing | 2023 |
| Fresh Meat Direct Limited | Wholesale & retail | 2014 |
| Friar Park (Wednesbury) Management Limited | Households | 2004 |
| Fridolina Rolfo Limited | Arts & recreation | 2025 |
| Frimpos Healthcare Limited | Health & social care | 2023 |
| Froggle Parties Birmingham Ltd | Arts & recreation | 2021 |
| Frontier Comms Ltd | Construction | 2025 |
| Frontier Property Services Ltd | Construction | 2021 |
| Froo.Com Limited | Information & communication | 2006 |
| Frooition Holdings Limited | Financial services | 2014 |
| FS Legal Solicitors LLP | | 2011 |
| Funktown Events Ltd | Arts & recreation | 2026 |
| Furnco Group Limited | Wholesale & retail | 2026 |
| Fusion Spice Ltd | Hospitality | 2026 |
| Future Stars Coaching South London Limited | Education | 2025 |
| G & P Investments (UK) Limited | Financial services | 2019 |
| G & T Utility Consultants Limited | Other services | 2020 |
| G a T Radiators Ltd | Wholesale & retail | 2003 |
| G Builders Ltd | Construction | 2024 |
| G Cleaning Express Ltd | Other services | 2019 |
| G Edwards Utilities Ltd | Construction | 2021 |
| G Nagra Ltd | Transport & logistics | 2024 |
| G Southall Contract Bricklaying Limited | Other services | 2009 |
| G T Jasper Holdings Limited | Financial services | 2022 |
| G&T Property Maintenance & Refurbishments Limited | Construction | 2020 |
| G-Mech Services Limited | Construction | 2022 |
| G-Units Commercial Ltd | Real estate | 2023 |
| G-Units Residential Ltd | Real estate | 2018 |
| G.A Flooring Services Limited | Construction | 2025 |
| G.J.N. Supplies Limited | Manufacturing | 1984 |
| Gables Business Finance Limited | Financial services | 2018 |
| Gadgetmypad Limited | Information & communication | 2021 |
| Gadsbys of Bridgnorth Limited | Wholesale & retail | 2014 |
| Galomunder Ltd | Transport & logistics | 2017 |
| Garratt & Co.Limited | Real estate | 1923 |
| Gaspar Assist Ltd | Real estate | 2021 |
| Gatacre Limited | Real estate | 2016 |
| Gater Developments Ltd | Construction | 2007 |
| Gaudi Group Limited | Manufacturing | 2023 |
| GB Electrical & Property Services Limited | Construction | 2021 |
| GB Tyre and Car Wash Ltd | Wholesale & retail | 2024 |
| GBW Estates Limited | Real estate | 2025 |
| GD Designs Architectural Services Ltd | Professional & scientific | 2012 |
| GE73 Properties Limited | Real estate | 2022 |
| Gearclothings Ltd | Transport & logistics | 2019 |
| GEM Capital Limited | Administrative & support | 2019 |
| Genessis Models Ltd | Education | 2026 |
| Genius Property Developments Limited | Real estate | 2020 |
| Genius Property Investments Ltd | Real estate | 2022 |
| Genwaste Limited | Water & waste | 2019 |
| GEO Genius Surveying Ltd | Construction | 2024 |
| Geo-Graffic Ltd | Transport & logistics | 2020 |
| Geo.E.Davies Limited | Wholesale & retail | 2016 |
| George Tanner Properties Ltd | Real estate | 2024 |
| Gerda Alex Limited | Wholesale & retail | 2022 |
| Gerwyn Price Limited | Arts & recreation | 2016 |
| GET Into Gaming Ltd | Other services | 2024 |
| Getsited Ltd | Information & communication | 2010 |
| Gifted Palm Limited | Wholesale & retail | 2024 |
| Ginger Moggie Properties Limited | Real estate | 2020 |
| Giulia Trans Group Ltd | Construction | 2026 |
| Givecare Limited | Professional & scientific | 1994 |