| Freshwipes Ltd | Manufacturing | 2020 |
| Friendly Pubs Shepperton Ltd | Hospitality | 2015 |
| Fristam Pumps (U.K.) Limited | Manufacturing | 1982 |
| Fristam Pumps U.K. Limited Partnership | | 2003 |
| Frog Window Cleaning Limited | Administrative & support | 2024 |
| Frogjuggler Ltd | Information & communication | 2014 |
| Full Speed Fibre Ltd | Construction | 2022 |
| Fullers Oak Limited | Construction | 2025 |
| FUN Fusion Limited | Arts & recreation | 2024 |
| Funky Hampers Limited | Wholesale & retail | 2000 |
| Funza Ltd | Wholesale & retail | 2024 |
| Furnace Brook CIC | Professional & scientific | 2010 |
| Furnace Brook Farm Ltd | Agriculture & fishing | 2023 |
| Fusion Holiday Homes Limited | Real estate | 2022 |
| G & L Milkshakes LLP | | 2011 |
| G a Breeding Ltd | Agriculture & fishing | 2025 |
| G and R Golf Limited | Arts & recreation | 2010 |
| G C Building Limited | Extraterritorial | 2015 |
| G Creations UK Ltd | Information & communication | 2009 |
| G E Pearce Tree Service Limited | Agriculture & fishing | 2009 |
| G Nicholls Driveways Ltd | Construction | 2012 |
| G&G Professional Ltd | Administrative & support | 2019 |
| G. B. Welding Limited | Manufacturing | 2005 |
| GA Human Resources Ltd | Administrative & support | 2011 |
| Gabriel Awadzi Ltd | Health & social care | 2017 |
| Galaxy Consultancy Limited | Professional & scientific | 1992 |
| Gamma Inns Limited | Hospitality | 2021 |
| Ganesha Retreats Ltd | Real estate | 2024 |
| GAP Metal Limited | Manufacturing | 1998 |
| GAP Taverns Ltd | Hospitality | 2015 |
| Garden Clearance Outlet Ltd. | Wholesale & retail | 2016 |
| Garden House (Ninfield) Limited | Households | 2019 |
| Gardner Court Residents Association Limited | Households | 1993 |
| Garner Bridge Limited | Professional & scientific | 2025 |
| Garnffrwd Leisure LLP | | 2025 |
| Garry Jarvis Hair Studio Limited | Other services | 2002 |
| Gatefinal Property Management Limited | Real estate | 1989 |
| Gatehouse Hub Ltd. | Real estate | 2019 |
| Gateway RYE Limited | Real estate | 2023 |
| GB Project Management Solutions Ltd | Administrative & support | 2025 |
| GC Building & Preservation Limited | Construction | 2003 |
| GCD Tree Surgery Ltd | Agriculture & fishing | 2025 |
| Geapana Consulting Ltd | Professional & scientific | 2022 |
| Geapana Ltd | Wholesale & retail | 2020 |
| Gemini Ampm EOT Limited | Administrative & support | 2024 |
| Gemini Ampm Ltd | Construction | 1997 |
| Gemma Luke Psychology Services Ltd | Health & social care | 2018 |
| Gemta Limited | Professional & scientific | 2023 |
| Genius Brothers Ltd | Extraterritorial | 2023 |
| Genuine Connections Ltd | Other services | 2024 |
| Gerami Ltd | Administrative & support | 2026 |
| GET a Wiggle on Limited | Professional & scientific | 2007 |
| Gfhh Ltd | Construction | 2018 |
| GHJ 6 Limited | Administrative & support | 2024 |
| GHJ 9 Limited | Administrative & support | 2024 |
| GI Properties (Sussex) Limited | Real estate | 2021 |
| Gianni's Catering Limited | Hospitality | 2026 |
| Giffard Distribution Ltd | Wholesale & retail | 2022 |
| Gifted BUT Limited | Administrative & support | 2018 |
| Gildredge Estates UK Ltd | Extraterritorial | 2013 |
| Giles (Plumber) Limited | Construction | 2002 |
| GIM Properties Limited | Real estate | 2021 |
| Ginny Fears Ltd | Professional & scientific | 2020 |
| Giraffepad Ltd | Professional & scientific | 2017 |
| GJ Tours Limited | Administrative & support | 2025 |
| GJJ Services Ltd | Extraterritorial | 2013 |
| GK Global Trade Limited | Wholesale & retail | 2025 |
| GL Canine Security Limited | Administrative & support | 2023 |
| GL Fitness Limited | Arts & recreation | 2014 |
| Gladstone Court RTM Company Limited | Households | 2021 |
| Glen Elphick Paving Limited | Construction | 2009 |
| Glenmag Holdings Limited | Transport & logistics | 2018 |
| GLL Management Ltd | Professional & scientific | 2025 |
| Global Roots Consultancy Limited | Agriculture & fishing | 2018 |
| Global Taste Limited | Administrative & support | 2008 |
| Globerella Limited | Financial services | 2019 |
| Gloria Innovations Limited | Administrative & support | 2022 |
| Gluecifer Limited | Manufacturing | 2020 |
| Glyn Croxton Building & Surveying Ltd | Construction | 2024 |
| GM Consultancy Group Ltd | Professional & scientific | 2020 |
| GM Property & Maintenance Limited | Households | 2021 |
| GNJ Property Group Limited | Real estate | 2026 |
| GNR Enterprises Limited | Health & social care | 2024 |
| GNT Construction Ltd | Construction | 2017 |
| Go Green Renewables Ltd | Construction | 2019 |
| Goblin Automotive Limited | Wholesale & retail | 2020 |
| Godirect Hailsham Ltd | Wholesale & retail | 2017 |
| Golden Batter Ltd | Hospitality | 2025 |
| Goldsite Properties Limited | Real estate | 2003 |
| Golf Solutions (Sussex) Ltd | Arts & recreation | 2023 |
| Golfworks Ltd | Administrative & support | 2022 |
| Good Homes WIN Limited | Real estate | 2021 |
| Good Neuroradiology Limited | Health & social care | 2009 |
| Goodchild Group Ltd | Professional & scientific | 2025 |
| Goodman Family Properties Limited | Real estate | 2022 |
| Goodman Family Ventures Limited | Financial services | 2020 |
| Goose Design Limited | Professional & scientific | 2002 |
| Goose Elevating Roofs Ltd | Manufacturing | 2023 |
| Gore Farm Close Management Company Limited | Households | 2007 |
| Goulceby Investments Limited | Real estate | 2003 |