| Geofusion Analytics Limited | Information & communication | 2025 |
| Geos UK Consulting Ltd | Professional & scientific | 2025 |
| Gigi Loves Ltd | Other services | 2019 |
| Ginare Consulting Limited | Administrative & support | 2003 |
| Ginare-Medilink Limited | Health & social care | 2023 |
| GJS IT Ltd | Professional & scientific | 2024 |
| GK Holdings Ltd | Extraterritorial | 2015 |
| Glasssafe Ltd | Hospitality | 2011 |
| Glassworks Surrey Ltd | Construction | 2017 |
| Glenthorpe Residents Association Limited | Households | 1998 |
| Global Energy Consultants Limited | Agriculture & fishing | 2000 |
| Global PEX Limited | Professional & scientific | 2020 |
| Globeazy Ltd | Administrative & support | 2025 |
| Glovers House Management Limited | Hospitality | 2016 |
| Glow Works Consulting Ltd | Professional & scientific | 2024 |
| Gmcm Limited | Wholesale & retail | 2025 |
| Go East (International) Limited | Wholesale & retail | 2010 |
| Go-Montgenevre Ltd | Administrative & support | 2006 |
| Goldburn Holdings Limited | Financial services | 2021 |
| Golden Rainbow Care Ltd | Health & social care | 2025 |
| Goodcause Travel Ltd | Administrative & support | 2014 |
| Gorecats Ltd | Arts & recreation | 2022 |
| Goshen Trading Limited | Wholesale & retail | 2024 |
| Gosim Limited | Professional & scientific | 2025 |
| GPG Groundworks Ltd | Construction | 2020 |
| Graham & Kandler Ltd | Professional & scientific | 2025 |
| Grailands Close Management Company Limited | Administrative & support | 2006 |
| Grant Harris Limited | Professional & scientific | 2009 |
| Grave Matters Media Ltd | Information & communication | 2025 |
| Gravestock Limited | Construction | 2002 |
| Grayleas Limited | Real estate | 2002 |
| Grays Property Limited | Construction | 2022 |
| Grayswood Consulting Ltd | Professional & scientific | 2018 |
| Grayswood Estates Limited | Real estate | 2006 |
| Grayswood House Consultancy Limited | Professional & scientific | 2019 |
| Grease Lightning Carpet Cleaning Limited | Administrative & support | 2022 |
| Grease Lightning Oven Cleaning (Commercial) Limited | Administrative & support | 2014 |
| Grease Lightning Oven Cleaning (Domestic) Limited | Administrative & support | 2019 |
| Great HOG Holdings Ltd | Real estate | 2025 |
| Great Stoatley Limited | Households | 1977 |
| Green Dragon Hydrogen Limited | Energy | 2022 |
| Green Meadows (Developments) Ltd | Real estate | 2006 |
| Green Olive Meze and Grill Ltd | Hospitality | 2025 |
| Green PM Services Limited | Professional & scientific | 2013 |
| Greene Works Ltd | Construction | 2013 |
| Greenhill Terrace Properties Limited | Real estate | 2015 |
| Greensand Forest Adventures Limited | Education | 2012 |
| Greensand Surveyors Ltd | Professional & scientific | 2020 |
| Greensands Energy Ltd | Professional & scientific | 2018 |
| Greenstone Solutions Limited | Administrative & support | 1998 |
| Greenypeeps Limited | Hospitality | 2020 |
| Greg Glue Ltd | Professional & scientific | 2024 |
| Grey Area Consultancy Ltd | Professional & scientific | 2025 |
| Grey Panther Management Limited | Professional & scientific | 2005 |
| Griffin Catering Company Limited | Hospitality | 2025 |
| Griffin PUB Company Limited | Hospitality | 2018 |
| Grill Fusion Food Ltd | Hospitality | 2025 |
| Grip and Trim Ltd. | Professional & scientific | 2021 |
| Grosvenor Stationery Company Limited | Wholesale & retail | 2001 |
| Grotter Investments Limited | Real estate | 2024 |
| Grounded Property Holdings Ltd | Real estate | 2020 |
| Groundmech Machinery Limited | Wholesale & retail | 2012 |
| Groydon Limited | Information & communication | 2011 |
| GSE Advisory Group Ltd | Administrative & support | 2023 |
| GTB Accountancy Limited | Professional & scientific | 2021 |
| Guild of Beer Sommeliers Limited | Other services | 2024 |
| GUY Properties (Farming) Limited | Agriculture & fishing | 1956 |
| H E Foster & Cranfield Limited | Professional & scientific | 2015 |
| H F Dawson Ltd | Professional & scientific | 2023 |
| H2M Developments Limited | Real estate | 2023 |
| Hair OTT (Whiteley) Limited | Other services | 2013 |
| Hair OTT Limited | Other services | 1976 |
| Haircare Fernhurst Ltd | Other services | 2018 |
| Hairetic Ltd | Manufacturing | 2025 |
| Hale & Tempest Company Limited | Information & communication | 2007 |
| Hamble Point Yacht Charters Limited | Transport & logistics | 1989 |
| Hamilton Training Ltd | Education | 2013 |
| Hammer Building Services Limited | Construction | 2005 |
| Hammer Properties Limited | Real estate | 2018 |
| Hammonds Heritage Tree Care Ltd | Agriculture & fishing | 2024 |
| Hampstead Clinic of Chinese Medicine Ltd | Health & social care | 2003 |
| Hanawell Talent Limited | Administrative & support | 2019 |
| Hand on Heart Photography Ltd | Professional & scientific | 2026 |
| Hangar 6 Limited | Professional & scientific | 2019 |
| Happy Little Doers Ltd | Wholesale & retail | 2021 |
| Harbons Engineering Services UK Ltd | Professional & scientific | 2017 |
| Hardwick 2013 Limited | Professional & scientific | 2013 |
| Harmsworth & Co Limited | Financial services | 2015 |
| Harrier Sports Cars Ltd | Wholesale & retail | 2023 |
| Harrington Analytical Consulting Ltd | Professional & scientific | 2023 |
| Harrington Estates Ltd | Real estate | 2024 |
| Harry Hardscapes Ltd | Administrative & support | 2025 |
| Hartleigh Ltd | Real estate | 2025 |
| Harvey Road Management Limited | Households | 1973 |
| Hasle Holdings Ltd | Real estate | 2026 |
| Haslefern Ltd | Professional & scientific | 2019 |
| Haslemere Active Travel C.I.C. | Other services | 2023 |
| Haslemere Biodiversity Limited | Professional & scientific | 2024 |
| Haslemere Bookkeeping Limited | Professional & scientific | 2012 |
| Haslemere Business Centre C.I.C. | Extraterritorial | 2015 |