| Georgi Logistics Limited | Transport & logistics | 2016 |
| Gertski Wealth Management Limited | Financial services | 2011 |
| GET Ready Comics Ltd | Extraterritorial | 2019 |
| GETTOWORK247 Ltd | Wholesale & retail | 2022 |
| GF New Building Style Ltd | Construction | 2018 |
| Gfgm Construction Ltd | Administrative & support | 2017 |
| Ghana Trade House UK Ltd | Wholesale & retail | 2025 |
| Ghgestion Ltd | Professional & scientific | 2024 |
| GHS Training & Storage Limited | Construction | 2023 |
| Ghuraba Limited | Wholesale & retail | 2023 |
| Gibbon Pictorial Ltd | Information & communication | 2014 |
| Giles Holdings Limited | Financial services | 2026 |
| Gillcrest (Stour Phase 2) Limited | Real estate | 2013 |
| Gillcrest (the Paper Mill Phase 1) Limited | Real estate | 2011 |
| Gillcrest (the Paper Mill Phase 2) Limited | Real estate | 2017 |
| Gillcrest Assets the Paper Mill Limited | Extraterritorial | 2013 |
| Gillcrest Group Limited | Real estate | 2011 |
| Gillcrest Holdings Limited | Real estate | 2006 |
| Gillcrest Homes (Kent) Limited | Real estate | 2006 |
| Gillcrest Homes London Ltd | Real estate | 2010 |
| Gillcrest Investments Limited | Real estate | 2012 |
| Gillcrest Property Group Limited | Real estate | 1996 |
| Gillcrest the Paper Mill Estate Limited | Extraterritorial | 2013 |
| Gillespie Properties Ltd | Real estate | 2017 |
| Gillham Properties Ltd | Real estate | 2024 |
| Gillingham Gymnasium Association Ltd | Education | 2015 |
| Gimgim Brothers Ltd | Other services | 2019 |
| Ginger Beard Builds Ltd | Manufacturing | 2024 |
| Ginger Lily Florists Ltd | Wholesale & retail | 2026 |
| Ginstable Botanicals Limited | Manufacturing | 2024 |
| Girl GET Your Coinss Ltd | Administrative & support | 2019 |
| GK MFA Rose Limited | Real estate | 2024 |
| Gkyab Ltd | Administrative & support | 2019 |
| GL Landscapes Limited | Construction | 2017 |
| Gladwyn Enterprise Limited | Real estate | 2016 |
| Gladys Group Limited | Financial services | 2024 |
| Glas-Weld Holdings Limited | Financial services | 2008 |
| Glasweld Trustees Limited | Administrative & support | 2020 |
| Glazecraft Ltd | Construction | 2020 |
| Glazehouse Ltd | Construction | 2021 |
| Glimpse Vision Ltd | Information & communication | 2024 |
| Glistening Glide Productions Ltd | Arts & recreation | 2025 |
| GLO Skin Clinc Kent Ltd | Other services | 2018 |
| Global Bethel Limited | Information & communication | 2015 |
| Global Corrosion Solutions Ltd | Wholesale & retail | 2009 |
| Global Health & Wellness Ltd | Wholesale & retail | 2020 |
| Global Heritage Inc Ltd | Professional & scientific | 2013 |
| Global Mechanical and Renewable Services Ltd | Energy | 2018 |
| Global Shine Enterprises Ltd | Construction | 2025 |
| Global Translators UK Ltd | Information & communication | 2006 |
| Globeklin Ltd | Health & social care | 2024 |
| Glosstek Ltd | Wholesale & retail | 2025 |
| Glow ERA Ltd | Other services | 2025 |
| Glow Lounge HOO Ltd | Other services | 2025 |
| GLS Building Services Ltd | Construction | 2020 |
| Glyphcg Ltd | Information & communication | 2009 |
| GM Property Care Ltd | Administrative & support | 2025 |
| GM Transporter Limited | Transport & logistics | 2024 |
| Gmansell Home Improvements Ltd | Construction | 2022 |
| GMK Mech Services Limited | Construction | 2017 |
| GN Comms Ltd | Information & communication | 2016 |
| Go Goatham's Limited | Administrative & support | 2018 |
| Go to Lawyer Limited | Professional & scientific | 2016 |
| Go Train Limited | Administrative & support | 2007 |
| Godblessed Limited | Professional & scientific | 2025 |
| Godlife Ltd | Wholesale & retail | 2013 |
| Godwin Construction Ltd | Construction | 2026 |
| Goffers House Limited | Households | 1990 |
| Gold Coast Trading Ltd | Wholesale & retail | 2024 |
| Goldboat Ltd | Health & social care | 2012 |
| Golde Consulting Limited | Professional & scientific | 2016 |
| Golden Maintenance Ltd | Administrative & support | 2023 |
| Golden Partners Co., Ltd | Wholesale & retail | 2004 |
| Golden Torch Services Ltd | Real estate | 2018 |
| Goldenblack Ltd | Health & social care | 2023 |
| Goldfish Bricks Ltd | Construction | 2022 |
| Goldtexx Ltd | Manufacturing | 2021 |
| Gomez Valiant Performance - Personal Training Epsom - ALL Round Athlete Limited | Arts & recreation | 2025 |
| Good Deals Online Limited | Wholesale & retail | 2015 |
| Good Luck Takeaway Ltd | Hospitality | 2017 |
| Good-Lookers (London) Limited | Manufacturing | 2000 |
| Gooden Afro Caribbean Care Representatives Limited | Administrative & support | 2024 |
| Gooden Holdings Ltd | Administrative & support | 2025 |
| Gopher Marketing Ltd | Professional & scientific | 2026 |
| Gordon Miller Property Consultants Ltd | Real estate | 2017 |
| Gore Property Holdings Limited | Real estate | 2026 |
| Gorj Bluewater Ltd | Other services | 2023 |
| Gorj Strood Ltd | Other services | 2018 |
| Gould Landscapes Limited | Administrative & support | 2003 |
| GP Choices Ltd | Administrative & support | 2022 |
| GPD Maintenance Ltd | Construction | 2020 |
| GPD Services Ltd | Construction | 2019 |
| Gpmed Ltd | Health & social care | 2025 |
| GPS Groundworks and Civils Limited | Construction | 2016 |
| GPS Macs Fabrications Ltd | Manufacturing | 2024 |
| GPS Macs Holdings Ltd | Professional & scientific | 2022 |
| GPS Marine and Civil Services Ltd | Construction | 2020 |
| GPS Marine Contractors Limited | Transport & logistics | 2000 |
| GPS Marine Equipment Limited | Administrative & support | 2015 |
| GPS Marine Facilities Ltd | Administrative & support | 2018 |