| First Step Solutions Ltd | Construction | 2019 |
| Firstlight Partners Ltd | Health & social care | 2025 |
| Fitzrovia Media Group Ltd | Information & communication | 2024 |
| FJ MAW Haulage Ltd | Transport & logistics | 2021 |
| Flair Creative Limited | Professional & scientific | 2010 |
| Flashy Cactus Limited | Information & communication | 2025 |
| Flashy Cactus Trading Ltd | Wholesale & retail | 2021 |
| Flexiedge Properties Ltd | Real estate | 2024 |
| Flourish Care Group Limited | Health & social care | 2025 |
| Flyboy Burger Company Ltd | Hospitality | 2024 |
| FNS Consultancy Ltd | Professional & scientific | 2025 |
| Focus Driven Ltd | Information & communication | 2013 |
| Forest Signs Ltd | Manufacturing | 2026 |
| Forge Secure Limited | Information & communication | 2023 |
| Formic Solutions Limited | Professional & scientific | 2025 |
| Fortis AI Group Ltd | Information & communication | 2025 |
| Fortune Cooking Ltd | Hospitality | 2021 |
| Foster Mann Limited | Professional & scientific | 2002 |
| Fpad Ltd | Professional & scientific | 2022 |
| Frank Wilson Limited | Construction | 1985 |
| French Consultants Limited | Financial services | 2012 |
| Frensco Limited | Wholesale & retail | 2026 |
| Fresh Wave Cleaning Ltd | Administrative & support | 2025 |
| Freshlayer Cleaning Ltd | Other services | 2025 |
| Freya’S Florist Limited | Wholesale & retail | 2025 |
| Front ROW Support Limited | Professional & scientific | 2022 |
| Frostholme Mills Ltd | Construction | 2022 |
| FSB Optics Limited | Wholesale & retail | 2026 |
| FSK Accounting Ltd | Professional & scientific | 2020 |
| Fulneck Golf Club Limited(The) | Arts & recreation | 1922 |
| FUN, Sport, Franchising Limited | Financial services | 2023 |
| Funky Chalk Ltd | Wholesale & retail | 2017 |
| Funky Chalk Properties Ltd | Real estate | 2026 |
| Furni-Tech (Northern) Ltd | Other services | 2016 |
| Fusehill Properties Limited Liability Partnership | | 2025 |
| Futurist Sound & Light Limited | Administrative & support | 2005 |
| G & H Building Services Ltd. | Construction | 1998 |
| G & H Engineering Services Limited | Manufacturing | 2014 |
| G & H Group of Companies (Holdings) Limited | Financial services | 2022 |
| G & H Group of Companies Limited | Professional & scientific | 2009 |
| G & H Maintenance Limited | Manufacturing | 2009 |
| G B Precision Limited | Professional & scientific | 2021 |
| G&H Property Group Ltd | Real estate | 2018 |
| G. Nowell Limited | Real estate | 1992 |
| G.M.G. Civil and Structural Engineers Limited | Professional & scientific | 1992 |
| G63 Traders Limited | Wholesale & retail | 2025 |
| Gacademy Limited | Wholesale & retail | 2023 |
| Gadget Home Helpline Ltd | Information & communication | 2026 |
| Garden Guards Ltd | Administrative & support | 2024 |
| GAS Care (West Yorkshire) Limited | Construction | 2017 |
| Gateway Construction Firm Ltd | Construction | 2019 |
| Gazztalk Ltd | Wholesale & retail | 2020 |
| GCS Solutions Ltd | Administrative & support | 2019 |
| GD2D Ltd | Real estate | 2025 |
| GDR Decorating Ltd | Construction | 2022 |
| Gecko Plumbing & Heating Ltd | Construction | 2023 |
| Gecko Renewables Ltd | Energy | 2019 |
| General Car Sales Limited | Wholesale & retail | 2020 |
| General Contractors (Leeds) Limited | Construction | 1955 |
| German Autocare Ltd | Wholesale & retail | 1998 |
| German Automotive Solutions Ltd | Wholesale & retail | 2015 |
| GET Promo Limited | Manufacturing | 2020 |
| GG Building & Property Maintenance Ltd | Construction | 2023 |
| GHR Trade Supplies Limited | Professional & scientific | 2025 |
| Giant Robot Limited | Professional & scientific | 2003 |
| Gideon Woods Van Works Ltd | Other services | 2022 |
| Gifti Ltd | Wholesale & retail | 2018 |
| Glass Living UK Ltd | Construction | 2011 |
| Glaves Limited | Extraterritorial | 2025 |
| Global Events (Travel) Limited | Administrative & support | 2004 |
| Global New Markets Export and Import Limited | Other services | 2024 |
| Global Plastics Recycling Ltd | Manufacturing | 2025 |
| Global Promise Limited | Other services | 2005 |
| Gmfad Group Limited | Wholesale & retail | 2026 |
| GNC Courier Services Limited | Transport & logistics | 2025 |
| Godiva Logistics Ltd | Transport & logistics | 2024 |
| Godwin Street Ltd | Construction | 2025 |
| Golden Star Beds Ltd | Manufacturing | 2026 |
| Goldmine Developments Limited | Real estate | 2022 |
| Golfing With Disabilities CIC | Arts & recreation | 2023 |
| Gordon & Co Property Developments Ltd | Real estate | 2024 |
| Gracefultouchx Limited | Other services | 2025 |
| Granahan Electrical & Building Services Limited | Construction | 2012 |
| Grannies Kitchen Limited | Hospitality | 2025 |
| Grattan Investments Inc. Limited | Professional & scientific | 2004 |
| Greaves - Kelly Investments Limited | Real estate | 2025 |
| Greaves Property Ltd | Real estate | 2022 |
| Green Burial Holdings Ltd | Other services | 2021 |
| Green Market 1 Ltd | Wholesale & retail | 2025 |
| Greenacres Vineyard Limited | Manufacturing | 2025 |
| Greenbox Designs Ltd | Information & communication | 2022 |
| Greengates Lodge Ltd | Real estate | 2023 |
| Ground Lynks Ltd | Transport & logistics | 2024 |
| Groundlink Travel Ltd | Transport & logistics | 2026 |
| Growlers Limited | Wholesale & retail | 2009 |
| GS JOL Ltd | Professional & scientific | 2025 |
| Gsssg Limited | Administrative & support | 2025 |
| H a Cars Limited | Construction | 2019 |
| H. I. S. E. Ltd | Hospitality | 2023 |
| H.S Motorhomes Ltd | Wholesale & retail | 2022 |