| Gbmx Race Suspension Ltd | Wholesale & retail | 2019 |
| GBN Procurement Ltd | Professional & scientific | 2023 |
| GCS Private Limited | Information & communication | 2014 |
| Gcsmedical and Training Ltd | Education | 2016 |
| GD Business Support Limited | Professional & scientific | 2020 |
| GD GAS & Plumbing Services Ltd | Construction | 2024 |
| GD Networks Limited | Construction | 2022 |
| GDL Group Ltd | Financial services | 2020 |
| GDM Productions Ltd | Arts & recreation | 2026 |
| GDP Construction Ltd | Construction | 2025 |
| GDS360 Ltd | Information & communication | 2015 |
| GE Aesthetics Ltd | Other services | 2025 |
| Gearmind Ltd | Wholesale & retail | 2025 |
| Geary Holdings Limited | Financial services | 2023 |
| Geary Homes Limited | Real estate | 2020 |
| GEC Power Limited | Energy | 2021 |
| GEC Safety Ltd | Public administration | 2019 |
| Gecor Plumbing & Heating Ltd | Construction | 2024 |
| Geemont Investments Ltd | Real estate | 2019 |
| Geisha Leisure Limited | Hospitality | 2023 |
| Geko Landscapes Ltd | Administrative & support | 2013 |
| GEM Lets Ltd | Real estate | 2015 |
| GEM Lite Ltd | Health & social care | 2023 |
| GEM Partnership Limited | Administrative & support | 2009 |
| GEM Training Limited | Education | 2017 |
| Gemini Aesthetics by Lucy Limited | Other services | 2024 |
| Gemini Resources (Kroussou) Limited | Financial services | 2019 |
| Gemini Works Limited | Manufacturing | 2025 |
| Gemtech Properties Ltd | Real estate | 2025 |
| General Logistics Group Ltd | Transport & logistics | 2025 |
| Generator North East Limited | Administrative & support | 1998 |
| Genericmaths Limited | Education | 2004 |
| Genesis Accountants North Limited | Professional & scientific | 2021 |
| Genesis Quality and Analytical Services Limited | Professional & scientific | 2016 |
| Genesys 360 Limited | Information & communication | 2025 |
| Genesys Environmental Ltd | Professional & scientific | 2000 |
| Genevieve Developments Ltd. | Construction | 2014 |
| Genii Professional Services Ltd | Professional & scientific | 2018 |
| Genius Computing Limited | Information & communication | 2017 |
| Gentle Hands Nanny Ltd | Administrative & support | 2025 |
| Gentle Persuasion Limited | Information & communication | 1990 |
| Gentleman Massage & Services Ltd | Health & social care | 2025 |
| Genu Consulting Limited | Health & social care | 2015 |
| Genuine Rise UK Limited | Professional & scientific | 2024 |
| GEO Developments Limited | Construction | 2018 |
| Geo-Asek Ltd | Professional & scientific | 2013 |
| Geoenvirotech Consultancy Services Ltd | Information & communication | 2025 |
| Geoff Robson Limited | Professional & scientific | 2020 |
| Geoff Steele Management Consultants Limited | Professional & scientific | 2000 |
| Geogem Services Limited | Professional & scientific | 2022 |
| Geon Training Ltd. | Administrative & support | 2017 |
| Geordie BOY Leisure Ltd | Hospitality | 2019 |
| Geordie Consulting Limited | Information & communication | 2020 |
| Geordie Games Studio Ltd | Information & communication | 2026 |
| Geordie GAS Services Ltd | Construction | 2026 |
| Geordie Generators Limited | Arts & recreation | 2025 |
| Geordie Industries Limited | Construction | 2016 |
| Geordie Intelligence Limited | Information & communication | 2020 |
| Geordie Juice Limited | Wholesale & retail | 2018 |
| Geordie Kids' Yoga Ltd | Education | 2016 |
| Geordie Limited | Professional & scientific | 2017 |
| Geordie Pizza Ltd | Hospitality | 2025 |
| Geordie Plumbing & Bathrooms Ltd | Construction | 2022 |
| Geordie Recruitment Group Limited | Administrative & support | 2019 |
| Geordie Taxis Limited | Transport & logistics | 2011 |
| Geordie Teaching Ltd | Professional & scientific | 2025 |
| Geordie Vision Ltd | Information & communication | 2024 |
| Geordies General Stores Limited | Wholesale & retail | 2013 |
| George Batey Associates Ltd | Health & social care | 2024 |
| George Blackett Limited | Professional & scientific | 1978 |
| George F. White LLP | | 2003 |
| George Hawley Ltd | Professional & scientific | 2014 |
| George Henry Properties Ltd | Construction | 2024 |
| George Ireland Livestock Limited | Agriculture & fishing | 2018 |
| George Lavery Heritage Services UK Limited | Administrative & support | 2014 |
| George Scott Hairdressers N.E. Ltd | Other services | 2014 |
| George Washington Golf and Country Club Limited | Hospitality | 2003 |
| Geoscientific Solutions Ltd | Construction | 2017 |
| Geoteric Limited | Extraterritorial | 2004 |
| Gerard Bartley Consulting Limited | Information & communication | 2020 |
| Gerard Brothers Trading Ltd | Real estate | 2017 |
| Gerisel Looks Limited | Other services | 2022 |
| Gertrude MAK Ltd | Health & social care | 2020 |
| GES FGG Ltd | Financial services | 2022 |
| GET Carter Travel Ltd | Transport & logistics | 2022 |
| GET Protected Limited | Financial services | 2026 |
| Getgutsmart Limited | Wholesale & retail | 2020 |
| Gezaya Sourcing Ltd | Wholesale & retail | 2025 |
| GF Kitchen Ltd | Manufacturing | 2024 |
| GF Online Limited | Wholesale & retail | 2022 |
| GFH Property Ltd | Real estate | 2022 |
| Gfit Coaching Ltd | Other services | 2023 |
| GFT Lettings Ltd | Real estate | 2024 |
| GG-205-398 Limited | Real estate | 2022 |
| GGL Line Ltd | Transport & logistics | 2025 |
| GGV Huddersfield Ltd | Real estate | 2026 |
| GH Heathrow Ltd. | Professional & scientific | 1993 |
| GH Manchester Ltd | Professional & scientific | 1985 |
| GH Sport Horses Ltd | Wholesale & retail | 2024 |
| GH Stansted Limited | Professional & scientific | 1986 |