| G3M Solutions Limited | Information & communication | 2005 |
| G4SEE Limited | Professional & scientific | 2022 |
| Gable END (Aldershot) Limited | Real estate | 2012 |
| Gables (Fleet) Limited | Households | 1959 |
| Gaea Resources Limited | Wholesale & retail | 2019 |
| Gaffney, Cline & Associates Limited | Professional & scientific | 1973 |
| Galaxies Showcase Media Ltd | Information & communication | 2024 |
| Galvanised Media Limited | Information & communication | 2013 |
| Games IT Ltd | Information & communication | 2017 |
| Gandy Services Limited | Administrative & support | 2008 |
| Gard'Ner Memorial Limited(The) | Education | 1953 |
| Gardens Limited | Professional & scientific | 2003 |
| Gardens LLP | | 2006 |
| Garlic Plant Products Ltd | Manufacturing | 2009 |
| GAS Mark Plumbing and Heating Ltd | Construction | 2022 |
| GAS Plumbing & Heating Services Ltd | Construction | 2015 |
| Gateway RSE Ltd | Administrative & support | 2022 |
| Gatteca Holdings Ltd | Other services | 2024 |
| GB Music Productions Limited | Information & communication | 2017 |
| GCA International Limited | Professional & scientific | 1966 |
| Gctf Ltd | Construction | 2013 |
| GD Gardens and Property Limited | Extraterritorial | 2018 |
| Gdpr Privacy by Design Ltd | Professional & scientific | 2019 |
| Gecko Pharma Analysis Limited | Professional & scientific | 2017 |
| GEE SKI Ltd | Administrative & support | 2016 |
| Gems a V Ltd | Construction | 2018 |
| Gems and Diamonds Limited | Wholesale & retail | 2015 |
| Genaray Limited | Administrative & support | 2004 |
| Genesis Craft Ales Limited | Manufacturing | 2016 |
| Genesis House Management Company Limited | Households | 2011 |
| George House (Holdings) Limited | Financial services | 1972 |
| Georgia Boston Ltd | Professional & scientific | 2022 |
| Georgia E-Commerce Ltd | Wholesale & retail | 2022 |
| Georgina Lord Ltd | Professional & scientific | 2025 |
| Georgina Standage Ltd | Arts & recreation | 2019 |
| Gerardes Lodge Residents Limited | Households | 2003 |
| Getappy Limited | Wholesale & retail | 2016 |
| Getxpert Ltd | Information & communication | 2020 |
| GH Medical Limited | Health & social care | 2020 |
| Gibbs Music Services Ltd | Information & communication | 2010 |
| Gifts for the Senses Limited | Wholesale & retail | 2015 |
| Giles Angel Photography Limited | Professional & scientific | 2010 |
| Gillard James Consulting Limited | Administrative & support | 2026 |
| Ginger Consultancy Limited | Arts & recreation | 2022 |
| Ginger GM Ltd | Information & communication | 2018 |
| Gjpd 2 Limited | Construction | 2020 |
| Gjpd 3 Ltd | Real estate | 2020 |
| Gjpd Limited | Construction | 2020 |
| GK Tradexpert Ltd | Wholesale & retail | 2025 |
| Glade Estate Limited | Agriculture & fishing | 2012 |
| Gladefern Limited | Wholesale & retail | 1992 |
| Gladman Process Consulting Limited | Professional & scientific | 2024 |
| Gleave Limited | Professional & scientific | 2002 |
| Glebe Management Limited | Households | 1998 |
| Glenway Group Limited | Construction | 2026 |
| Glewstone Investments Limited | Financial services | 2016 |
| Glidex Driving Academy Ltd | Education | 2025 |
| Global Edtech Tutoring Limited | Education | 2010 |
| Global Greenergy Group Limited | Professional & scientific | 2021 |
| Global Guardian Limited | Information & communication | 2019 |
| Global Infrastructure Anti-Corruption Centre-Uk Limited | Professional & scientific | 2024 |
| Global Positioning Systems Europe Limited | Wholesale & retail | 1994 |
| Global Rehab Online Ltd | Other services | 2020 |
| Globefox Limited | Information & communication | 1999 |
| GLV Holdings Ltd | Real estate | 2021 |
| GM Advisory Limited | Information & communication | 2024 |
| GM Management Consulting Ltd | Administrative & support | 2017 |
| GMB Food Ltd | Hospitality | 2025 |
| GNF Properties Ltd | Real estate | 2014 |
| Go Direct (Europe) Limited | Transport & logistics | 2007 |
| Go Direct (International) Limited | Professional & scientific | 2018 |
| Go for Green Ltd | Wholesale & retail | 2018 |
| Go Karting for FUN (Crawley) Limited | Arts & recreation | 2001 |
| Go Sports Internet Ltd | Professional & scientific | 2010 |
| Goals Limited | Other services | 1981 |
| Godalming Property Developments Ltd | Construction | 2012 |
| Goddard's Landscapes & Construction Limited | Construction | 2020 |
| Golborne Events Limited | Administrative & support | 2012 |
| Gold Air Limited | Transport & logistics | 2020 |
| Gold HR Consulting Ltd | Professional & scientific | 2012 |
| Gold Investments (London) Limited | Professional & scientific | 1981 |
| Gold Investments Limited | Wholesale & retail | 1981 |
| Golden Hammer Roofing Ltd | Construction | 2023 |
| Goldhills Consultants Ltd | Professional & scientific | 2022 |
| Goldsmiths Choral Union | Arts & recreation | 1995 |
| Goldsworth Investments Limited | Real estate | 2024 |
| Golfpodco Limited | Arts & recreation | 2024 |
| Good Accountancy Services Limited | Professional & scientific | 2003 |
| Good and Useful Ltd | Information & communication | 2014 |
| Good and Useful Trading Ltd | Manufacturing | 2021 |
| Good Books (Farnham) Limited | Extraterritorial | 2012 |
| Good Food & Wine Ltd | Wholesale & retail | 2025 |
| Goodprop Limited | Real estate | 2020 |
| Goodwin Business Limited | Real estate | 2019 |
| Goodwin Cars Limited | Extraterritorial | 2022 |
| Gordon and Dean Holdings Limited | Financial services | 2024 |
| Gordon Dean Property Limited | Real estate | 2024 |
| Gordon Place (Aldershot) Management Co. Ltd | Households | 2015 |
| Gordon Road Management Limited | Households | 1987 |
| Goring Developments Ltd | Construction | 2021 |