| George Morgan (Chandlers Ford) Ltd | Real estate | 2022 |
| George Morgan (Dorset) Ltd | Real estate | 2022 |
| George Road Properties Limited | Real estate | 1977 |
| George Scott & SON (Funeral Directors) Limited | Other services | 1959 |
| George Woollard Limited | Real estate | 2024 |
| Georgi Kotarov Properties Limited | Real estate | 2026 |
| Georgia Tegou Studio Ltd | Arts & recreation | 2022 |
| Georgia Turner Communications Ltd | Professional & scientific | 2022 |
| Georgiesgreekgrill Ltd | Hospitality | 2024 |
| Geosands Ltd | Professional & scientific | 2026 |
| Gerard Subirachs Engineering Services Limited | Professional & scientific | 2025 |
| Germanicea Limited | Wholesale & retail | 2022 |
| Germans Ltd | Transport & logistics | 2025 |
| Gervis Court (1989) Limited | Households | 1989 |
| Gervis Crescent Management Company Limited | Households | 2004 |
| GET Electric Store Ltd | Wholesale & retail | 2025 |
| GET Flux Ltd | Professional & scientific | 2019 |
| GET Stella Ltd | Professional & scientific | 2021 |
| GET YOU Going Automotive Repairs Ltd | Professional & scientific | 2024 |
| Getaway Lettings Ltd | Real estate | 2024 |
| Geton I.T. Consultants Limited | Information & communication | 2021 |
| GF Brands Ltd | Professional & scientific | 2022 |
| GF Motorcycles Ltd | Wholesale & retail | 2025 |
| GG Marketing Ltd | Information & communication | 2016 |
| GG-257-570 Limited | Real estate | 2024 |
| GH Property Investments Limited | Real estate | 2012 |
| Ghani Secret Ltd | Wholesale & retail | 2026 |
| GHL Consultancy Ltd | Administrative & support | 2026 |
| Ghostcode Limited | Information & communication | 2025 |
| GHS Cleaning Limited | Extraterritorial | 2019 |
| GHS Group Holdings Limited | Financial services | 2020 |
| GIA Property Group Limited | Real estate | 2025 |
| Giant Africa Ventures Limited | Mining & quarrying | 2024 |
| Gibbi Consulting Ltd. | Information & communication | 2013 |
| Gibbo Scaffolding Ltd | Construction | 2023 |
| Gifford Associates Ltd | Professional & scientific | 2020 |
| Gifted Hands Massage Ltd | Other services | 2019 |
| Giftstones Group Ltd | Professional & scientific | 2026 |
| Giftstones Limited | Wholesale & retail | 2003 |
| GIG Expert Ltd | Information & communication | 2025 |
| Gigabites Diner Ltd | Hospitality | 2025 |
| Gigabites Retro Diner Ltd | Hospitality | 2024 |
| Gigabrio Limited | Information & communication | 2000 |
| Giggles Coffee Limited | Hospitality | 2026 |
| Giglad Ltd | Wholesale & retail | 2025 |
| Gild House RTM Company Limited | Households | 2025 |
| Giles & Sons Property Group Ltd | Real estate | 2024 |
| Giles Estate Agents Ltd | Real estate | 2019 |
| Giles Financial Services Ltd | Financial services | 2022 |
| Giles Letting Agents Ltd | Real estate | 2022 |
| Gill Homes Limited | Real estate | 2016 |
| Gillam Groundworks Ltd | Construction | 2020 |
| Gillian Court Flats (Management) Limited | Households | 1977 |
| Gilltown Limited | Construction | 2013 |
| Ginali's Ltd | Hospitality | 2012 |
| Gingerbread Care Limited | Real estate | 2020 |
| Gingerbread Homes Limited | Real estate | 2008 |
| Gingerbread Property Limited | Real estate | 2013 |
| Gingerbread Property Management LLP | | 2020 |
| Ginjams Ltd | Hospitality | 2017 |
| GIO Design Ltd | Professional & scientific | 2020 |
| GIO Electrical Limited | Construction | 2024 |
| Gionitrans Ltd | Transport & logistics | 2019 |
| Giraffe Promotions Limited | Information & communication | 2022 |
| Girl Boss Limited | Hospitality | 2014 |
| Girones UK Ltd | Wholesale & retail | 2023 |
| Giulliano Developments Limited | Construction | 2024 |
| Give Monthly Ltd. | Information & communication | 2012 |
| GJ Freeholds LLP | | 2016 |
| GJ Network Solutions Ltd | Information & communication | 2024 |
| GJ Security Ltd | Financial services | 2018 |
| GJC Enterprises Ltd | Information & communication | 2016 |
| GJC Property Group Ltd | Real estate | 2019 |
| GJV Electrical Limited | Construction | 2018 |
| GK Doors Ltd | Construction | 2026 |
| GL Mello Limited | Hospitality | 2026 |
| Glackin Swift Advisory Ltd | Professional & scientific | 2025 |
| Gladiator Global Logistics Ltd | Transport & logistics | 2019 |
| Gladius Management Ltd | Professional & scientific | 2021 |
| Glambulance Ltd | Health & social care | 2025 |
| Glamour Nails & Spa Ltd | Other services | 2025 |
| Glamourworx Ltd | Other services | 2018 |
| Glass Onion Creative Limited | Professional & scientific | 2016 |
| GLD Consulting Ltd | Information & communication | 2025 |
| Glee Services Limited | Construction | 2018 |
| Glen Alcorn Limited | Construction | 2007 |
| Glen Manor Management Company Limited | Households | 1989 |
| Glen Norton Limited | Professional & scientific | 2025 |
| Glen Road RTM Limited | Households | 2008 |
| Glendale Court (Christchurch) Ltd | Households | 2000 |
| Glendale House Management Limited | Real estate | 1998 |
| Glendale Mansions Limited | Real estate | 2001 |
| Gleneagles Freehold Limited | Households | 2005 |
| Glenfern Hall Management Company Limited | Households | 1978 |
| Glengariffe (Bournemouth) Management Limited | Households | 2001 |
| Glengarry Residents Association 2010 Limited | Households | 2010 |
| Glenleven Flats Management Limited | Households | 1972 |
| Glenlie Limited | Real estate | 2023 |
| Glenloose Management Company Limited | Real estate | 2010 |
| Glenmore Business Park (Holton Heath) Limited | Real estate | 2005 |