| Forster & White Ltd | Real estate | 2022 |
| Forte People Limited | Professional & scientific | 2006 |
| Fourdotme Limited | Wholesale & retail | 2022 |
| Foxcote Joinery Limited | Manufacturing | 2003 |
| Foxes View (Sileby) Management Company Limited | Households | 2025 |
| Foxglove Farm Childrens Riding Holidays Limited | Other services | 2014 |
| Foxglove Farm Equestrian Centre LLP | | 2018 |
| Foxtrot Ltd | Wholesale & retail | 2022 |
| FR Car Sales Ltd | Wholesale & retail | 2021 |
| Fraise Ltd | Construction | 2022 |
| Francis Merveille Ltd | Administrative & support | 2024 |
| Franck Rouget Ltd | Real estate | 2023 |
| Fraser House Development Limited | Real estate | 2022 |
| Freight Forever Limited | Transport & logistics | 2021 |
| Friar 106 Limited | Wholesale & retail | 2009 |
| Friday Street Farm Developments Limited | Real estate | 2026 |
| Fridd Fitness Limited | Arts & recreation | 2013 |
| Friends With Nature Limited | Professional & scientific | 2014 |
| Front 9 Group Limited | Professional & scientific | 2020 |
| FS Racing Ltd | Arts & recreation | 2025 |
| Fsavu Limited | Energy | 2018 |
| Fugglestar Ltd | Hospitality | 2017 |
| Full Frame Property Limited | Real estate | 2016 |
| Full House Lettings Limited | Other services | 2016 |
| Future Farming Consultancy Ltd | Agriculture & fishing | 2023 |
| G Property Management Limited | Real estate | 2021 |
| Gabriel-Chemie U.K. Limited | Manufacturing | 1971 |
| Gardens by Dean Ltd | Administrative & support | 2026 |
| Gary Durrell Limited | Financial services | 2025 |
| Gate House Bar Kitchen Ltd | Hospitality | 2026 |
| Gateshead Regeneration LLP | | 2012 |
| Gavan Construction Ltd | Construction | 2025 |
| Gavan Homes Ltd | Construction | 2024 |
| GB Brands Ltd | Wholesale & retail | 2019 |
| Gecko Investment Advisors Ltd | Financial services | 2026 |
| GEM Care and Support Ltd | Administrative & support | 2020 |
| GEN2 Property Limited | Professional & scientific | 2015 |
| Georgi MMM Ltd | Construction | 2015 |
| Geotechnical Support Limited | Professional & scientific | 2024 |
| GET Inventory Ltd | Real estate | 2025 |
| GET IT Connected Ltd | Information & communication | 2024 |
| GET IT Repaired Ltd | Other services | 2015 |
| GET Unlocked Ltd | Administrative & support | 2026 |
| GGL Logistics Limited | Transport & logistics | 2024 |
| Ghengis Fireworks Ltd | Professional & scientific | 2008 |
| Gieva Properties Ltd | Real estate | 2025 |
| Gigg Lane Limited | Professional & scientific | 1990 |
| Gigzzee Business Finance Ltd | Financial services | 2023 |
| Gilbert Allen Limited | Extraterritorial | 2022 |
| Gilchrist Properties Ltd | Real estate | 2018 |
| Ginger & Spice Books Ltd | Information & communication | 2025 |
| Ginger Black Analytics Limited | Professional & scientific | 2017 |
| Ginger Black Holdings Limited | Financial services | 2023 |
| Ginger SPV 1 Ltd | Real estate | 2024 |
| GL Industrial Doors Ltd | Administrative & support | 2024 |
| GLA Rights Ltd | Information & communication | 2024 |
| Glen Parva JV LLP | | 2017 |
| Global Commercial Services Group Ltd | Financial services | 2018 |
| Global Executive VA Ltd | Administrative & support | 2020 |
| Global Impact Investment Holdings and Projects Ltd | Construction | 2025 |
| Global Scientific Defence Solutions Limited | Professional & scientific | 2025 |
| Global Sports Management Ltd | Extraterritorial | 2020 |
| Global Yacht Sales Ltd | Wholesale & retail | 2012 |
| Globalcity IT Resources Limited | Administrative & support | 2010 |
| Gluck Holdings Limited | Financial services | 2024 |
| Gluckli Limited | Information & communication | 1998 |
| GMS Motorsport Ltd | Administrative & support | 2015 |
| Gnwp Consultancy Ltd | Professional & scientific | 2026 |
| Gnwp Services Ltd | Financial services | 2020 |
| Godden Drive Residents Management Company Limited | Households | 2015 |
| Gogglebytes Education Ltd | Education | 2022 |
| Gold Optical Limited | Professional & scientific | 2016 |
| Goldberg Engineering Group Ltd | Financial services | 2024 |
| Golden J J S Limited | Other services | 2025 |
| Golden Mechanical Engineering Limited | Construction | 2025 |
| Goldfinch Media Ltd | Professional & scientific | 2026 |
| Gotprop Ltd | Real estate | 2019 |
| Gozzett Tree Surgery & Land Management Ltd | Administrative & support | 2022 |
| GR Restaurant Ltd | Hospitality | 2019 |
| Gracefull Dancewear Ltd | Wholesale & retail | 2025 |
| Grandeur Living Ltd | Real estate | 2020 |
| Grange Walk LLP | | 2014 |
| Graylingwell Energy Services Limited | Energy | 2010 |
| Graze on the Hill Limited | Manufacturing | 2021 |
| Green Plant Machinery Ltd | Wholesale & retail | 2009 |
| Green Team Consulting Ltd | Professional & scientific | 2016 |
| Greenacre Ground Maintenance Ltd | Administrative & support | 2017 |
| Greenfort Private Wealth Ltd | Professional & scientific | 2018 |
| Greyhound Regeneration LLP | | 2016 |
| Griffin Corporate Administrators Limited | Administrative & support | 2019 |
| Griffin Law Group Limited | Financial services | 2025 |
| Griffin Law Limited | Professional & scientific | 2011 |
| Growing Golf Retail Limited | Arts & recreation | 2019 |
| GT Construction & Electrical Ltd | Construction | 2024 |
| GTB Landscaping & Property Maintenance Limited | Construction | 2003 |
| GTO Maintenance Limited | Construction | 2020 |
| Guest Group Investments Ltd | Real estate | 2024 |
| Gurukripa Investments Ltd | Real estate | 2022 |
| GUY Phillips (Consulting) Limited | Financial services | 2018 |
| GW Growth Ltd | Professional & scientific | 2018 |