| Fellaz Limited | Other services | 2018 |
| Fellowship Ministries of Jesus Christ (Apostolic) Ltd | Other services | 2014 |
| Femson Engineering Ltd | Manufacturing | 2017 |
| Fennell’S Boiler Services Limited | Construction | 2025 |
| Find Fate Ltd | Construction | 2025 |
| Finds & Tags Ltd | Wholesale & retail | 2024 |
| Fink Environmental Controls Ltd | Professional & scientific | 2019 |
| Firbeck Construction Limited | Construction | 1989 |
| Firbeck Farmhouse Livery Limited | Agriculture & fishing | 2023 |
| Firbeck Holdings Limited | Administrative & support | 2020 |
| First AID Solutions Limited | Health & social care | 2003 |
| First Class Window Cleaners Ltd | Administrative & support | 2023 |
| First Service Khan Ltd | Information & communication | 2016 |
| First Sun Services Ltd | Information & communication | 2013 |
| Five One Two (Manchester) Limited | Transport & logistics | 2021 |
| Five One Two (Nottingham) Limited | Transport & logistics | 2022 |
| Five One Two Limited | Transport & logistics | 1988 |
| Five Star Nail S80 Ltd | Other services | 2025 |
| Fiveways Stores Limited | Wholesale & retail | 2025 |
| Fleetcroft Gribben Limited | Professional & scientific | 2017 |
| Fletcher Technical Services Ltd | Professional & scientific | 2016 |
| Flipping Great Homes Limited | Real estate | 2025 |
| Flixily Limited | Administrative & support | 2022 |
| Floor Kings Ltd | Construction | 2024 |
| Florence Contract Flooring Ltd | Construction | 2025 |
| Floyd Consultants Limited | Construction | 2021 |
| FLY Doncaster (Auxiliary Services) Ltd | Transport & logistics | 2025 |
| Flying Fridge Limited | Extraterritorial | 2024 |
| Foljambe Estates Limited | Extraterritorial | 2015 |
| Fone Xone Ltd | Wholesale & retail | 2013 |
| Foodtex Limited | Extraterritorial | 2009 |
| Footmark Training Ltd | Arts & recreation | 2011 |
| Force Consultancy Services Ltd | Professional & scientific | 2021 |
| Force Contracting Services Ltd | Construction | 2012 |
| Force Developments Ltd | Construction | 2017 |
| Force Recruit Limited | Administrative & support | 2021 |
| Force Tree & Ground Care Ltd | Agriculture & fishing | 2025 |
| Formaclub Ltd | Health & social care | 2025 |
| Forrest Camp Ltd | Administrative & support | 2019 |
| Fortitude Plastering and DRY Lining Systems Limited | Construction | 2015 |
| Forza Detailing Ltd | Manufacturing | 2018 |
| Foster's Event Hire Ltd | Hospitality | 2024 |
| Four-Titude Electrical Ltd | Construction | 2022 |
| Fourg Enterprises Ltd | Wholesale & retail | 2023 |
| Freeflow Recruitment Ltd | Administrative & support | 2026 |
| Freeman and Young Conservation Ltd | Arts & recreation | 2023 |
| Freshh Bites Ltd | Hospitality | 2023 |
| Friends of the Old Ship Inn CIC | Wholesale & retail | 2025 |
| Friends of Woodlands & Coachwood Green Ltd | Education | 2014 |
| Front Foot HR Limited | Professional & scientific | 2019 |
| Frost Lettings Ltd | Real estate | 2025 |
| Frugal IT Ltd. | Wholesale & retail | 2011 |
| Frugal Limited | Extraterritorial | 2015 |
| Fuel Check Limited | Extraterritorial | 2020 |
| Furnace Linings Company Limited | | 1936 |
| Future Education & Immigration Ltd | Education | 2020 |
| Future Trade Group Ltd | Wholesale & retail | 2024 |
| G a Payne Decorators Ltd | Construction | 2002 |
| G D Mason Welding Services Ltd. | Construction | 2015 |
| G G Broadhead Timber Ltd | Wholesale & retail | 2025 |
| G J Driving Services Limited | Administrative & support | 2016 |
| G Rigging Ltd | Information & communication | 2019 |
| G&K Property Investments Limited | Real estate | 2017 |
| G.D. Machinery Limited | Wholesale & retail | 1995 |
| G.K. & E. Holdings Limited | Professional & scientific | 1991 |
| Galax Properties Limited | Real estate | 2006 |
| Gascoigne Elliott Academy Limited | Arts & recreation | 2018 |
| Gate Cleaning and Maintenance Limited | Administrative & support | 2025 |
| Gatefield Fenton Estates Ltd | Real estate | 2023 |
| Gateford Commercials Ltd | Wholesale & retail | 2020 |
| Gateford House Ltd | Hospitality | 2021 |
| Gateford Mortgage Services Limited | Financial services | 2022 |
| Gateford Music Ltd | Education | 2023 |
| Gateford Technology Ltd | Professional & scientific | 1998 |
| Gauri Private Limited | Health & social care | 2021 |
| GB Insulation Solutions Ltd | Construction | 2024 |
| GB Solar Ltd | Other services | 2018 |
| GB Wigs Ltd | Other services | 2015 |
| GDJ Logistics Services Ltd | Transport & logistics | 2026 |
| Geeta Limited | Health & social care | 2020 |
| Gemma Baker Aesthetics Ltd | Other services | 2025 |
| Genesistorevelation Ltd | Construction | 2026 |
| Geo-Break Services Ltd | Professional & scientific | 2025 |
| Geoff Young Management Services Limited | Professional & scientific | 2024 |
| Georgina's Cleaning Services Limited | Administrative & support | 2022 |
| Geza Properties Ltd | Hospitality | 2025 |
| GHC Outdoors Ltd | Wholesale & retail | 2025 |
| Ghca Consultancy Limited | Professional & scientific | 2018 |
| Gilbert Property Management Ltd | Real estate | 2025 |
| Gilpin Street B4 Limited | Construction | 2025 |
| Gimel Business Support Services Limited | Transport & logistics | 2023 |
| Girado Roofing Limited | Construction | 2024 |
| Girlfriday Cleaners Ltd | Administrative & support | 2023 |
| GJF Strategic Advisory Limited | Professional & scientific | 2026 |
| GJG Farming Limited | Agriculture & fishing | 2018 |
| Glasby Homes Limited | Construction | 2016 |
| Glasshouse Design Studio Limited | Professional & scientific | 2023 |
| Gleamlite Services Limited | Health & social care | 2022 |
| Glimpse of Hope Ltd | Health & social care | 2023 |
| GLO Consult Limited | Information & communication | 2025 |