| Fortisnet Ltd | Information & communication | 2022 |
| Fortitudo Homes (the Cross Management) Limited | Households | 2020 |
| Forward Utilities Ltd | Administrative & support | 2016 |
| Foulford Farm Ltd | Agriculture & fishing | 2017 |
| Four Guys Enterprise Ltd | Wholesale & retail | 2021 |
| Fowell & Co. Ltd | Professional & scientific | 2021 |
| Foxbury Aesthetics Ltd | Other services | 2022 |
| Foxcourts Limited | Real estate | 1971 |
| Foxes Management Company Limited(The) | Hospitality | 1982 |
| Franklin’S Property Management Limited | Households | 2024 |
| Freedive Life Limited | Education | 2023 |
| Fresh Founders Holdings Ltd | Professional & scientific | 2024 |
| Front Foot Tech Ltd | Information & communication | 2018 |
| Frozenpixel Limited | Information & communication | 2015 |
| FSR UK Holdings Ltd | Extraterritorial | 2025 |
| Fsws Enterprises Limited | Hospitality | 2022 |
| Fulcrum Physiotherapy Limited | Health & social care | 2026 |
| Fulfilled by W H Rumsby Ltd | Wholesale & retail | 2020 |
| Funnybone Events Services Limited | Arts & recreation | 2006 |
| Furlong Mews (Ringwood) Management Limited | Households | 1983 |
| Fuseon Limited | Real estate | 2009 |
| Fusion Fabrics Ltd | Real estate | 2022 |
| Fusion Technical Recruitment Ltd | Information & communication | 2024 |
| Futurecom Ltd | Information & communication | 2026 |
| FW Groundworks Ltd | Construction | 2025 |
| G & M Electrical Services Ltd | Construction | 2007 |
| G a Property & Leisure Ltd | Real estate | 2012 |
| G.C. (ST. Marys) Residents Co. Limited | Households | 1977 |
| GA Concept & Build Limited | Construction | 2025 |
| Garage Cinema Ltd | Information & communication | 1999 |
| Gasago Holdings Limited | Wholesale & retail | 2018 |
| Gasago Limited | Wholesale & retail | 2017 |
| GB Golf Online Ltd | Wholesale & retail | 2024 |
| GBC (Europe) Limited | Professional & scientific | 2013 |
| GE Machinery Limited | Manufacturing | 2022 |
| Gearys Hightown Herds Limited | Real estate | 1955 |
| Gecl Ltd | Financial services | 2015 |
| GEN One Developments Pevensey Limited | Construction | 2022 |
| Generation Builders & Landscape Ltd | Construction | 2017 |
| Genii Transport Ltd | Transport & logistics | 2017 |
| George James Estates Ltd | Real estate | 2025 |
| George KAY Limited | Real estate | 1987 |
| Gestalt Enterprises UK Limited | Professional & scientific | 2019 |
| Getjuicy Limited | Information & communication | 2018 |
| Geva Partners Limited | Extraterritorial | 2023 |
| Gills Services Limited | Real estate | 1985 |
| Girlington Glass + Joinery Ltd | Manufacturing | 2008 |
| GJ Blunden Consultants Limited | Construction | 2019 |
| Glen MEX Limited | Administrative & support | 2007 |
| Gleneagles Talbot Management Company Limited | Households | 1996 |
| Glenfiddich West Limited | Energy | 2023 |
| Glennfast Consultancy Limited | Professional & scientific | 1998 |
| GLK Fencing Ltd | Construction | 2019 |
| Godrains Ltd | Other services | 2025 |
| Golbic Limited | Administrative & support | 2026 |
| Gold Hill Autos Limited | Wholesale & retail | 1979 |
| Gold Leaf Restaurant Ltd | Hospitality | 2022 |
| Goldenbridge Partners Limited | Administrative & support | 2025 |
| Golf UK Services Ltd | Administrative & support | 2025 |
| Goodall Group Inc Limited | Other services | 2024 |
| Goodmans Commercial Insurance Brokers Limited | Extraterritorial | 2007 |
| Goodmans Commercial Insurance Brokers LLP | | 2004 |
| Goodmeller Ltd | Wholesale & retail | 2024 |
| Goodship Investment Services Limited | Financial services | 2018 |
| Goodwin House Limited | Households | 2021 |
| Gorilla Time Limited | Wholesale & retail | 2022 |
| Gorley Vale Farm Limited | Professional & scientific | 2015 |
| Gourmet Classic Limited | Administrative & support | 1998 |
| Gourmet Holdings Limited | Financial services | 2025 |
| GP Centre (Ringwood) Management Company Limited | Real estate | 2016 |
| GPCI/2 Limited | Financial services | 2019 |
| GR London Limited | Hospitality | 2020 |
| Grafton House Maintenance Company (Andover) Limited | Households | 1975 |
| Grand Court 14 Management Company Limited | Households | 2009 |
| Grants of Ringwood Ltd | Real estate | 2010 |
| Gratitude Coffee Limited | Hospitality | 2023 |
| Grayling Levan Limited | Other services | 2026 |
| Graypixel Limited | Professional & scientific | 2025 |
| Great Peter Street Management Company Limited | Households | 2011 |
| Greater London Cradles Limited | Construction | 2011 |
| Green Leaf Security Services Ltd | Wholesale & retail | 2020 |
| Green Light Electrical Installations Limited | Construction | 2009 |
| Green Light Gates Ltd | Construction | 2023 |
| Green River Medical Limited | Education | 2012 |
| Green Sapiens Ltd | Professional & scientific | 2023 |
| Green Space Grants Limited | Construction | 2021 |
| Green Ways Wellbeing CIC | Education | 2026 |
| GREENGRIDPOWER3 Ltd | Energy | 2020 |
| Greenlight Audio Ltd | Information & communication | 2021 |
| Greenspace (UK) Limited | Construction | 2013 |
| Greenspace Energy Conservation Limited | Construction | 2015 |
| Greenspace UK Living Limited | Construction | 2021 |
| Gregory Adams Roofing Ltd | Construction | 2014 |
| Griffbo Ltd | Real estate | 2023 |
| Gristwood USP Properties Ltd | Real estate | 2024 |
| Ground ADA Limited | Hospitality | 2025 |
| Ground UP Services Ltd | Manufacturing | 2023 |
| Groundstone Investment Limited | Information & communication | 2016 |
| Group Tiger Limited | Information & communication | 2009 |
| Group TOO Limited | Information & communication | 2004 |