| Found Ventures Ltd | Real estate | 2025 |
| Four Pixel Limited | Information & communication | 2023 |
| Fourlans Ltd | Real estate | 2026 |
| Fourpillars Holdings and Management Ltd | Financial services | 2026 |
| Fourwalls Facilities Management Ltd | Construction | 2025 |
| Fourwalls Property Management Ltd | Construction | 2021 |
| Foxfield Consultancy Ltd | Education | 2018 |
| FPK Properties Ltd | Real estate | 2016 |
| FPK Services Limited | Information & communication | 2016 |
| France Tent Limited | Manufacturing | 2001 |
| Francisknight Ltd | Other services | 2004 |
| Frank Drylining Ltd | Construction | 2024 |
| Frankie Property Limited | Real estate | 2025 |
| Franklin.Paige.Victoria Ltd | Professional & scientific | 2011 |
| Franklins Consulting Limited | Professional & scientific | 2010 |
| Franny H and MU Ltd | Professional & scientific | 2022 |
| Fray Services Ltd | Construction | 2019 |
| Frederick's and Sons Construction Ltd | Construction | 2024 |
| Fredericks Tailoring Ltd | Wholesale & retail | 2024 |
| Freedom Park SPV Limited | Real estate | 2014 |
| Freedon Distribution Limited | Transport & logistics | 2014 |
| Freeman Logistics Limited | Wholesale & retail | 2025 |
| Freeman Property Holdings Ltd | Real estate | 2024 |
| Fremont and Eleventh Ltd | Education | 2025 |
| Freo Health Limited | Extraterritorial | 2021 |
| Freo Well-Being Limited | Health & social care | 2021 |
| Freo Wellbeing Holistic Services CIC | Health & social care | 2025 |
| Freo Wellness Centre Limited | Health & social care | 2024 |
| Fresh Start Residential Homes Limited | Health & social care | 2023 |
| Fresh Technologies Developments Limited | Manufacturing | 2008 |
| Freys Frey Limited | Administrative & support | 2022 |
| Fridays Plumbing and Heating Services Limited | Construction | 2004 |
| Friends of Aimee-Leigh CIC | Arts & recreation | 2026 |
| Frontend Game Management Ltd | Information & communication | 2024 |
| Frontier Logic Ltd | Administrative & support | 2024 |
| Frontline Associates Ltd | Administrative & support | 2012 |
| Frontline Balustrades Limited | Construction | 2018 |
| Frost Corporation Ltd | Administrative & support | 2016 |
| Frost Signs Limited | Manufacturing | 2005 |
| Frozen Ocean Imports Ltd | Wholesale & retail | 2025 |
| Fruitful Services Limited | Health & social care | 2022 |
| Frydays Fish and Chips Ltd | Hospitality | 2025 |
| Frydays Pizza Ltd | Hospitality | 2025 |
| Fryer Cleaning and Maintenance Limited | Administrative & support | 2013 |
| Fryern House Investment Limited | Real estate | 1988 |
| FS247 Limited | Financial services | 2007 |
| Fsfmed Limited | Health & social care | 2015 |
| FT & PP Entertainment Ltd | Arts & recreation | 2018 |
| FT Design Limited | Professional & scientific | 2025 |
| FTF Plumbing & Heating Ltd | Construction | 2017 |
| Full House Recruitment Ltd | Administrative & support | 2025 |
| Fumady Ltd | Health & social care | 2024 |
| Fundamental Synergy Ltd | Real estate | 2023 |
| Funding Unlocked Ltd | Professional & scientific | 2024 |
| Funk District Ltd | Hospitality | 2025 |
| Furnishly Ltd | Information & communication | 2025 |
| Furzedale Property Ltd | Real estate | 2026 |
| Fusion Property Maintenance Limited | Construction | 2019 |
| Futki Ltd | Wholesale & retail | 2019 |
| Futures Recruitment Limited | Administrative & support | 2017 |
| FYS Services Ltd | Professional & scientific | 2024 |
| G & M Mechanical & Electrical Services Limited | Construction | 1983 |
| G a Landscaping Ltd | Financial services | 2023 |
| G Greaves Consultancy Ltd | Education | 2019 |
| G J Brown Electrical Limited | Construction | 2017 |
| G Jayasinghe Orthopaedics Ltd | Health & social care | 2025 |
| G M Yorke Investments Limited | Financial services | 2021 |
| G&B Property Care Services Ltd | Construction | 2026 |
| G&Gfix Ltd | Construction | 2023 |
| G.W.Gander & SON Limited | Real estate | 1965 |
| G1 Group 2025 Ltd | Real estate | 2025 |
| G3 Services Limited | Manufacturing | 2016 |
| Gabstar Entertainment Limited | Arts & recreation | 2017 |
| GAD Facilities Limited | Professional & scientific | 2018 |
| Gainwell Futures Limited | Financial services | 2008 |
| Galata Diner & Cocktail Bar Limited | Hospitality | 2024 |
| Galaxy Hot Tubs Ltd | Wholesale & retail | 2024 |
| Galaxytrove Limited | Wholesale & retail | 2025 |
| Galaxyzone Inc Limited | Transport & logistics | 2013 |
| Galilee Care Ltd. | Health & social care | 2019 |
| Gann Data and Insights Limited | Wholesale & retail | 2020 |
| Gann Properties Limited | Real estate | 2026 |
| Gardner D C Solutions Ltd | Construction | 2011 |
| Gareth John Hughes Limited | Professional & scientific | 2023 |
| Garrard King Limited | Administrative & support | 2008 |
| GAS Train Limited | Education | 2001 |
| Gastro-Endo Health Limited | Health & social care | 2014 |
| Gates & Gables Property Ltd | Real estate | 2026 |
| Gateway Cargo Holdings Ltd | Financial services | 2025 |
| Gateway Cargo Limited | Transport & logistics | 2021 |
| GB Air Solutions Ltd | Construction | 2019 |
| GB Express Phone Accessories Limited | Wholesale & retail | 2019 |
| GB Medhomes Ltd | Wholesale & retail | 2023 |
| GB Sports Hub's Limited | Hospitality | 2026 |
| GBK Safety Limited | Information & communication | 2018 |
| GBR Building 2020 Ltd | Construction | 2020 |
| GBT Masonary Limited | Construction | 2026 |
| GCC Automotive Limited | Wholesale & retail | 2026 |
| GCL Construction Ltd | Construction | 2020 |
| GCP Construction Limited | Construction | 2024 |