| Good Eco Finance Limited | Financial services | 2024 |
| Good Eco Group Limited | Manufacturing | 2006 |
| Good Eco Solutions Limited | Construction | 2024 |
| Good Vibes Only Agency Limited | Professional & scientific | 2026 |
| Goodwick Enterprises Limited | Real estate | 2015 |
| Gopal Saru Company Limited | Real estate | 2023 |
| Gordon Close RTM Company Limited | Households | 2017 |
| Gorgeous Cleaning Services Ltd | Administrative & support | 2021 |
| Gorgeous Coffee Ltd | Wholesale & retail | 2018 |
| Gorilla Golf Ltd | Arts & recreation | 2023 |
| Gosden House Management Company Limited | Households | 2004 |
| Gosport Ventures Ltd | Real estate | 2026 |
| Grabgrub Limited | Hospitality | 2024 |
| Grace Abjoel Ltd | Wholesale & retail | 2017 |
| Grace Healthcare Professionals and Services Ltd | Extraterritorial | 2025 |
| Grace Howat Architects Ltd | Professional & scientific | 2010 |
| Grade a Gardens Ltd | Construction | 2026 |
| Gradmnk Ltd | Professional & scientific | 2016 |
| Graham Media Group Limited | Information & communication | 2024 |
| Graham Security Services Ltd | Administrative & support | 2024 |
| Grainger Made Ltd | Construction | 2018 |
| Gramac Media Ltd | Information & communication | 2018 |
| Gramjom Limited | Arts & recreation | 2022 |
| Gramophone Records Limited | Professional & scientific | 2015 |
| Granada Nights Ltd | Information & communication | 2016 |
| Grandma Blackwater Ltd | Hospitality | 2016 |
| Granite Innovations Limited | Wholesale & retail | 2014 |
| Grant Haven Ltd | Real estate | 2022 |
| Grant Jones Tax Advisers Ltd | Extraterritorial | 2015 |
| Grant-Jones Accountancy Ltd | Professional & scientific | 2011 |
| Grantbourne Freeholders Limited | Households | 1997 |
| Grass Root Homes Ltd | Health & social care | 2024 |
| Grassroots Bakery Ltd | Manufacturing | 2016 |
| Graylings (West END) Residents Management Company Limited | Households | 2020 |
| Grays Decorating Supplies Limited | Wholesale & retail | 2009 |
| Grayswood LI Limited | Professional & scientific | 2010 |
| Great Western Synergies Ltd | Professional & scientific | 2024 |
| Green Development and Maintenance Limited | Other services | 2009 |
| Green Electrical Contractors Ltd | Construction | 2020 |
| Green Evolution Developments Ltd | Construction | 2009 |
| Green Roofing Ltd | Construction | 2011 |
| Green World Merchandise Ltd | Wholesale & retail | 2022 |
| Greencroft Freehold Management Company Limited | Households | 2007 |
| Greenloop Trading Ltd | Wholesale & retail | 2025 |
| Greenmantle Freehold Limited | Real estate | 2011 |
| Greenpath Construction Limited | Construction | 2022 |
| Greentree Property Ltd | Real estate | 2021 |
| Greenway MD Limited | Administrative & support | 2021 |
| Greenwood Manor Management (Fleet) Limited | Households | 1999 |
| Greg Brodie Limited | Arts & recreation | 2019 |
| Gregory Walk (Woking) Limited | Households | 1997 |
| Grenville Place (Camberley) Management Company Limited | Households | 2003 |
| Grewalz Limited | Wholesale & retail | 1987 |
| Grey Loans Limited | Financial services | 2020 |
| Grosvenor Court Residents Association (Guildford) Limited | Households | 1987 |
| Growing Homes Ltd | Real estate | 2025 |
| Grozev Ltd | Transport & logistics | 2018 |
| Grozev Tree Care Ltd | Agriculture & fishing | 2020 |
| GRS Property Services Limited | Real estate | 2016 |
| GS Heating & Plumbing Services Ltd | Construction | 2018 |
| GS Salon Limited | Other services | 2018 |
| GSD Electrical Services Limited | Construction | 2008 |
| GSN Builders Limited | Construction | 2019 |
| GT Bakeries Limited | Wholesale & retail | 2024 |
| Guan Properties Limited | Real estate | 2024 |
| Guildford MOT Centre Ltd | Wholesale & retail | 2026 |
| Guildford Youth Symphony Orchestra Limited | Education | 2023 |
| Guilford Dolce Ltd | Hospitality | 2026 |
| Gunn Systems Management Ltd | Information & communication | 2013 |
| Guntner-Jaeggi DC Ltd | Other services | 2025 |
| Gurdezi Orthopaedics Ltd | Health & social care | 2026 |
| Gurkamel Enterprises Ltd | Information & communication | 2014 |
| Gurkha TV and More Limited | Information & communication | 2014 |
| GUY Pears Ltd | Arts & recreation | 2025 |
| Gwvehiclesolutions Ltd | Wholesale & retail | 2025 |
| Gyalmu Hart Limited | Health & social care | 2023 |
| H&O HCW Ltd | Other services | 2019 |
| H. Cooke Builders Limited | Construction | 2012 |
| H. Ledger Limited | Construction | 2008 |
| H.A.T Solutions Limited | Transport & logistics | 2015 |
| H.D.L.Property Co.Limited | Financial services | 1955 |
| Habitas Developments Limited | Construction | 2016 |
| Habitatsense Limited | Manufacturing | 2025 |
| Hackl Analytics Ltd | Information & communication | 2024 |
| Haddad Holdings Ltd | Financial services | 2025 |
| Hadrian Trustees Limited | Financial services | 1986 |
| Hadstrong Ltd | Professional & scientific | 2014 |
| Hagemann Photographic Studios Limited | Professional & scientific | 2013 |
| Haider ALI Ltd | Professional & scientific | 2013 |
| Hailstone Sign Installations Ltd | Administrative & support | 2017 |
| Hair by Cgee Limited | Other services | 2022 |
| Hair by Lyndsey Ltd | Other services | 2022 |
| Hair by MAX Limited | Other services | 2003 |
| Hair Warehouse Ltd | Wholesale & retail | 2020 |
| Hale Place Management (Farnham) Limited | Households | 1995 |
| Halka Entertainment Ltd | Administrative & support | 2025 |
| Halstead Lanes Residents Management Company Limited | Households | 2017 |
| Halvdan Ltd | Manufacturing | 2025 |
| Hamesmoor Ltd | Administrative & support | 2018 |
| Hamilton Chess (Windsor) Limited | Real estate | 2005 |