| Florita Ltd | Real estate | 2025 |
| Flowfinity Ltd | Water & waste | 2021 |
| FLR Property Investments Ltd | Real estate | 2025 |
| Fmuk Logistics Ltd | Transport & logistics | 2026 |
| Foam Solutions Limited | Water & waste | 2001 |
| Focus on Motors Limited | Wholesale & retail | 2019 |
| FOR Everhungry Ltd | Hospitality | 2024 |
| Force Utilities Limited | Construction | 2017 |
| Ford Studios Ltd | Professional & scientific | 2015 |
| Forge Build (Yorkshire) Ltd | Construction | 2018 |
| Forge by Hollie Limited | Professional & scientific | 2024 |
| Forge Group Ltd | Real estate | 2021 |
| Formula Detailing Limited | Wholesale & retail | 2026 |
| Foundation Sports LAB Ltd | Wholesale & retail | 2020 |
| Four Social Marketing & Web Design Ltd | Professional & scientific | 2025 |
| Fourth Wall Projects Ltd | Construction | 2024 |
| Fowle Property Developments Limited | Real estate | 2026 |
| Fowler Property Management Ltd | Real estate | 2022 |
| Fowler Search Ltd | Administrative & support | 2024 |
| FOX Building Solutions Ltd | Construction | 2024 |
| Fract. Limited | Hospitality | 2025 |
| Framecourt Limited | Real estate | 1972 |
| Frealex FX Limited | Wholesale & retail | 2014 |
| Freebird Print Management Limited | Professional & scientific | 2014 |
| Freelancebloke Limited | Administrative & support | 2005 |
| Freemans House Ltd | Real estate | 2014 |
| Freerover UK Ltd | Manufacturing | 2018 |
| Freight & Asset Management Ltd | Hospitality | 2024 |
| Freight TRS Ltd | Transport & logistics | 2023 |
| Fresh Shop 69 Ltd | Wholesale & retail | 2024 |
| Freyalouise Ltd | Information & communication | 2025 |
| Friar Tucks (Yorkshire) Limited | Wholesale & retail | 2013 |
| Fridge Engineer Ltd | Construction | 2020 |
| Frontline Safety Consultancy Ltd | Professional & scientific | 2024 |
| Fructus Group Ltd | Financial services | 2025 |
| Fryer Groundwork Ltd | Construction | 2019 |
| FTR Electrician Ltd | Construction | 2026 |
| FULL3SIXTY Limited | Education | 2018 |
| Funeral Care Direct Ltd | Other services | 2017 |
| Funny Cards Ltd | Wholesale & retail | 2026 |
| Future Stars Development Limited | Education | 2017 |
| Fwcg Limited | Wholesale & retail | 2023 |
| G & S Welding Services Ltd | Manufacturing | 2020 |
| G a Capital Ltd | Real estate | 2023 |
| G C Scaffolding Ltd | Construction | 2010 |
| G&S Conversions Ltd | Manufacturing | 2023 |
| G.H Plastering Services Ltd | Construction | 2016 |
| Gadji Cleaning Services Limited | Administrative & support | 2026 |
| Gaia Earth Elements Ltd | Wholesale & retail | 2021 |
| Galactic Scents Ltd | Wholesale & retail | 2026 |
| Gant Innovations Limited | Administrative & support | 2009 |
| Garbutt Psychological Services Ltd | Health & social care | 2015 |
| Gardiner Property Solutions Ltd | Real estate | 2025 |
| Garforth Electrical Ltd | Construction | 2020 |
| Gary Swift Studios Limited | Arts & recreation | 2007 |
| GAS Mangham Plumbing and Heating Ltd | Wholesale & retail | 2025 |
| Gascure Total Maintenance Limited | Construction | 2008 |
| Gaskin Geotechnical Services Ltd | Construction | 2026 |
| Gavin Barnaby Inspection Limited | Professional & scientific | 2014 |
| GAZ Tyres Ltd | Wholesale & retail | 2025 |
| GB Gyms Limited | Arts & recreation | 2015 |
| GC Motors (Yorkshire) Ltd | Wholesale & retail | 2018 |
| Geejay Properties Ltd | Real estate | 2026 |
| Geekanoid Ltd | Information & communication | 2012 |
| Gekco Ltd | Manufacturing | 2020 |
| Gelosia Anglia Limited | Transport & logistics | 2020 |
| Generix Properties Ltd | Real estate | 2023 |
| Genesis 121 Therapy Ltd | Health & social care | 2026 |
| Genuinestyle Limited | Extraterritorial | 1999 |
| GEO Electrical Ltd | Construction | 2025 |
| Geofit Limited | Professional & scientific | 2015 |
| George Elliott & Associates Limited | Professional & scientific | 2002 |
| George Palmer Limited | Wholesale & retail | 2005 |
| Geraghty Consulting Ltd | Construction | 2012 |
| Gerovital Steel Limited | Construction | 2024 |
| GFM UK Services Ltd | Other services | 2021 |
| GH Renovations Ltd | Construction | 2024 |
| Gillsom Limited | Financial services | 2025 |
| Gingingers Ltd | Manufacturing | 2021 |
| Girnhill Express Limited | Wholesale & retail | 2024 |
| Gizzmo Ltd | Wholesale & retail | 2021 |
| GL (GLS) Services Ltd | Information & communication | 2018 |
| Glamorous Tresses Ltd | Other services | 2025 |
| Glass Caves Limited | Arts & recreation | 2025 |
| Glazing Brothers Limited | Construction | 2026 |
| Glen Rise Aesthetics Limited | Health & social care | 2025 |
| Glew Taverns Ltd | Hospitality | 2026 |
| Glew Transport Ltd | Transport & logistics | 2022 |
| Glimmer of Hope Care Services Ltd | Health & social care | 2023 |
| Global Print Finishing Equipment Limited | Wholesale & retail | 2015 |
| GMC Fabrication Services Limited | Manufacturing | 2010 |
| Go for IT (Europe) Limited | Construction | 2004 |
| Golding Engineering Limited | Construction | 2007 |
| Golide Group Limited | Health & social care | 2022 |
| Gorilla Access Ltd | Construction | 2023 |
| Gorilla Graphics Ltd | Manufacturing | 2021 |
| GPS Fabrications Ltd | Manufacturing | 2009 |
| Grace Dieu (Family Investments) Limited | Professional & scientific | 2022 |
| Grace Fire and Security Ltd | Construction | 2022 |
| Grace HR Ltd | Administrative & support | 2026 |