| Gembutaite Earthworks Ltd | Construction | 2025 |
| Geme Property Solutions Ltd | Real estate | 2021 |
| Gemini Blue Ltd | Information & communication | 2018 |
| Gemini Computing Consultants Limited | Information & communication | 1997 |
| Geminiz Ltd | Wholesale & retail | 2017 |
| Gemkat Limited | Manufacturing | 2007 |
| Gemma MAY Alteration Service Ltd | Other services | 2022 |
| Gemmara Services Ltd | Information & communication | 2017 |
| Gemshine Ltd | Wholesale & retail | 2024 |
| Gemweld Fabrications & Engineering Co. Limited | Manufacturing | 1973 |
| GEN V Limited | Manufacturing | 2018 |
| GEN4 Drainage Ltd | Water & waste | 2024 |
| Genell Limited | Health & social care | 2022 |
| General & Medical Finance Limited | Administrative & support | 1989 |
| General & Medical International Limited | Professional & scientific | 2001 |
| General & Medical Ltd | Professional & scientific | 2000 |
| General & Medical Middle East Limited | Professional & scientific | 2001 |
| General & Medical Solutions Ltd | Administrative & support | 2001 |
| General & Medical Trustees Ltd | Administrative & support | 2010 |
| General Construction Equipment Hire Fleet Limited | Construction | 1985 |
| General Import Limited | Wholesale & retail | 2024 |
| General Pipework & Machinery Services Ltd | Construction | 2017 |
| Generation Phoenix Limited | Manufacturing | 1995 |
| Genesis Technology Services Limited | Information & communication | 2000 |
| Geneva Bar 25 Ltd | Hospitality | 2025 |
| Geneva House Freehold Limited | Households | 2020 |
| Geneva Properties Ltd | Real estate | 2021 |
| Geni Chiks Limited | Health & social care | 2021 |
| Genotypica Ltd | Professional & scientific | 2019 |
| Gent Beecham Limited | Professional & scientific | 2015 |
| Gentoo Designs Limited | Professional & scientific | 2025 |
| Genus Advisory and Investments Limited | Real estate | 2016 |
| Genwaveai Ltd | Information & communication | 2025 |
| Genzgoods Ltd | Wholesale & retail | 2023 |
| GEO & Alex Ltd | Wholesale & retail | 2024 |
| GEO Deliveries Ltd | Transport & logistics | 2020 |
| GEO World Unveiled Ltd | Wholesale & retail | 2025 |
| Geo-Sounding Information Resources Limited | Professional & scientific | 2023 |
| Geo-Speedy Ltd | Transport & logistics | 2022 |
| Geofix Solutions Limited | Professional & scientific | 2005 |
| Geoporisk Intelligence Ltd | Information & communication | 2025 |
| George Heys Farming Limited | Financial services | 2015 |
| George PUB2025 Ltd | Hospitality | 2025 |
| George. W. Lack & Sons Limited | Extraterritorial | 2013 |
| Georgejstone Limited | Information & communication | 2025 |
| Georgex Consultants Limited | Professional & scientific | 2022 |
| Georgia Georgiou Ltd | Professional & scientific | 2023 |
| Gepa Logistics Ltd | Transport & logistics | 2020 |
| Germany Motors Limited | Wholesale & retail | 2024 |
| Gessmann UK Limited | Manufacturing | 2023 |
| Gest Saulius Ltd | Transport & logistics | 2014 |
| GET a Builder Ltd | Construction | 2018 |
| GET ALL Done Limited | Wholesale & retail | 2023 |
| GET My Bathrooms Limited | Wholesale & retail | 2015 |
| GET Safe Training Limited | Education | 2010 |
| GET Strip'D Ltd | Hospitality | 2025 |
| GET UPP and Go Properties Ltd | Real estate | 2017 |
| Getjot Ltd | Information & communication | 2026 |
| Getnash Consultancy Limited | Health & social care | 2013 |
| Getwapp Private Limited | Other services | 2020 |
| Getwell HC Ltd | Health & social care | 2022 |
| GFA World | Other services | 1997 |
| GFC (UK) Ltd | Manufacturing | 2010 |
| GFD Electrical Ltd | Construction | 2023 |
| GFE (UK) Fire Limited | Wholesale & retail | 2020 |
| Gfive Affordable Cars - Gadgets Limited | Wholesale & retail | 2024 |
| Gforgabi Ltd | Education | 2022 |
| GG-732-535 Limited | Real estate | 2022 |
| GG2UK Limited | Real estate | 2021 |
| Ggean Limited | Financial services | 2017 |
| GGL Homes Ltd | Real estate | 2024 |
| GGM Accountancy Ltd | Professional & scientific | 2013 |
| Ghazali Hamza Services Ltd | Transport & logistics | 2023 |
| Ghazi Misr Group Ltd | Wholesale & retail | 2024 |
| Ghefcy Properties Ltd | Real estate | 2022 |
| GHL Network Services Ltd | Financial services | 2008 |
| Ghost Transp Ltd | Transport & logistics | 2018 |
| Ghousia Foods Ltd | Wholesale & retail | 2011 |
| Ghousia Foodstore Limited | Wholesale & retail | 2023 |
| GI Perterborough Limited | Hospitality | 2023 |
| GI Vision Limited | Health & social care | 2024 |
| Gi&En Ltd | Transport & logistics | 2022 |
| Gi-Height Limited | Transport & logistics | 2024 |
| GIA Drivers Ltd | Transport & logistics | 2017 |
| Giaan Properties Limited | Real estate | 2021 |
| Giandy Trans Ltd | Transport & logistics | 2023 |
| Giann Twin Trans Ltd | Transport & logistics | 2016 |
| Giannasi Ltd | Real estate | 2010 |
| Giant Homes Ltd | Construction | 2020 |
| Gibbons (Holdings) Limited | Agriculture & fishing | 1996 |
| Gibbons Nominee Limited | Extraterritorial | 2015 |
| Gibson Presents Ltd | Information & communication | 2020 |
| Gibsons Car Sales Limited | Wholesale & retail | 2022 |
| Gibsons Construction Ltd | Construction | 2026 |
| Gibsons Estates Limited | Construction | 2019 |
| Gidi Workforce Limited | Construction | 2020 |
| Gidihills Limited | Wholesale & retail | 2025 |
| Gieto Group Ltd | Wholesale & retail | 2019 |
| GIF Transport Ltd | Transport & logistics | 2026 |
| Gift Delivery Limited | Wholesale & retail | 2021 |