| Genesis Hair Studio Limited | Other services | 2002 |
| Genty Praxis Limited | Health & social care | 1999 |
| Geoff Carey Engineering Services Limited | Construction | 2011 |
| George C Barnard Ltd | Health & social care | 2011 |
| Georgina Gibbs Therapy Ltd | Health & social care | 2025 |
| Geosolutions Limited | Professional & scientific | 1997 |
| Geospiza Services Ltd | Mining & quarrying | 2024 |
| Geremia Consultancy Limited | Real estate | 2019 |
| Gertrude and Friends Limited | Education | 2025 |
| GET in Motion Limited | Wholesale & retail | 2010 |
| GET OUT There and Paddle Ltd | Education | 2020 |
| GET Print Online LLP | | 2012 |
| Getaz Process Services Limited | Professional & scientific | 2011 |
| GF HR Consulting Ltd | Professional & scientific | 2018 |
| GG-088-659 Limited | Real estate | 2021 |
| GG-133-492 Limited | Real estate | 2020 |
| GG-189-590 Limited | Real estate | 2021 |
| GG-236-660 Limited | Real estate | 2020 |
| GG-329-825 Limited | Real estate | 2020 |
| GG-357-033 Limited | Real estate | 2021 |
| GG-488-478 Limited | Real estate | 2020 |
| GG-508-126 Limited | Real estate | 2020 |
| GG-512-975 Limited | Real estate | 2020 |
| GG-669-310 Limited | Real estate | 2021 |
| GGS Global GEO Services (UK) Limited | Information & communication | 2016 |
| GH Campers Limited | Hospitality | 2022 |
| GHC Property Ltd | Real estate | 2021 |
| Ghera Maintenance Ltd | Construction | 2022 |
| Ghlex Associates Limited | Professional & scientific | 2009 |
| GI Cancer Imaging Limited | Health & social care | 2013 |
| Giant Investments Ltd | Real estate | 2021 |
| Gibsons Joiners and Builders Limited | Construction | 2002 |
| Gigau Electrical Ltd. | Construction | 2013 |
| Gigglepin 4X4 Limited | Extraterritorial | 2008 |
| Gigglepin Winches Ltd | Manufacturing | 2017 |
| GIL Advisory Limited | Professional & scientific | 2024 |
| Gilbert & Stamper Limited | Construction | 1950 |
| Gill Jenner Limited | Financial services | 2024 |
| Gilray Plant Limited | Real estate | 1973 |
| Gimbal Trading Limited | Hospitality | 1998 |
| Gimhani Holdings Ltd | Construction | 2024 |
| Gioma Consulting UK Limited | Professional & scientific | 2015 |
| Gir@Ffe Digital Ltd | Arts & recreation | 2025 |
| GIVE2GET Europe Limited | Professional & scientific | 2018 |
| GJ Power Consulting Limited | Professional & scientific | 2017 |
| GJ2S Co | Financial services | 2020 |
| Gjjc Ltd | Professional & scientific | 2020 |
| GKO Management Limited | Professional & scientific | 2023 |
| Glada Limited | Professional & scientific | 2016 |
| Glade Joinery Ltd | Manufacturing | 2013 |
| Gladiator Media Limited | Other services | 2018 |
| Gladtech Solutions Ltd | Information & communication | 2017 |
| Glanic Integrated Services Ltd | Other services | 2016 |
| Gleason Consulting Ltd | Information & communication | 2017 |
| Glebe (Penshurst) Residents Association Limited (the) | Households | 1968 |
| Glebe Woodlands Limited | Agriculture & fishing | 1983 |
| Glenville Right to Manage Company Limited | Households | 2017 |
| GLN Property Ltd | Construction | 2024 |
| Global 360 Hire Ltd | Administrative & support | 2022 |
| Global Building Services Ltd | Construction | 2002 |
| Global Capital Funding LLP | | 2022 |
| Global Capital Market Traders Limited | Financial services | 2007 |
| Global Marine Transfer Services Ltd | Manufacturing | 2026 |
| Global Osteoporosis Foundation | Health & social care | 2016 |
| Global Transparency Market Limited | Information & communication | 2010 |
| Globdo Limited | Wholesale & retail | 2019 |
| Globe ALL Travel Company Ltd | Administrative & support | 2025 |
| Glockner Limited | Wholesale & retail | 2021 |
| Glory Global Limited | Administrative & support | 2011 |
| Glow DRY Cleaners Limited | Other services | 2017 |
| Glush Ltd | Information & communication | 2023 |
| GMA Utilities Ltd | Construction | 2022 |
| GMT Systems Limited | Information & communication | 1997 |
| Go Dermatology Ltd | Health & social care | 2023 |
| Go for Productions Limited | Arts & recreation | 2013 |
| Go Trucking Solutions Limited | Transport & logistics | 2023 |
| Gocx Limited | Information & communication | 2024 |
| Goddard Hanna Medical Ltd | Health & social care | 2018 |
| Godfrey-Phillips Investments Ltd | Administrative & support | 2013 |
| Godmin Limited | Real estate | 2016 |
| Gold Optical ( Tenterden) Ltd | Wholesale & retail | 2022 |
| Gold Optical (MSD) Ltd | Manufacturing | 2018 |
| Golden Gear Limited | Wholesale & retail | 2025 |
| Golden Kitchen Catering Ltd | Hospitality | 2025 |
| Golden Toks Ltd | Information & communication | 2025 |
| Golden Treats by EDI Ltd | Hospitality | 2026 |
| Goldfish Properties Ltd | Real estate | 2023 |
| Goldhill Mill Associates LLP | | 2017 |
| Golf Fit Solutions Limited | Arts & recreation | 2010 |
| Goliath Computing Ltd | Wholesale & retail | 2001 |
| Good Faith Technology Ltd | Manufacturing | 2023 |
| Good Vibes Wellness World Ltd | Agriculture & fishing | 2024 |
| Goodtune UK Limited | Professional & scientific | 2022 |
| Gorgeous Networks Ltd | Other services | 2001 |
| Gots Fertility Ltd | Health & social care | 2018 |
| Goudhurst Road Limited | Households | 2006 |
| Gourmet Goat Ltd. | Wholesale & retail | 2011 |
| Governance Solutions Ltd | Professional & scientific | 2013 |
| Govindarajan Limited | Information & communication | 2011 |
| GP Spray Solutions Ltd | Construction | 2024 |