| Gear UP Service Centre Ltd | Manufacturing | 2019 |
| Gearbox Direct Limited | Manufacturing | 2016 |
| Gebay Ltd | Wholesale & retail | 2013 |
| Gecko Finance Limited | Financial services | 2012 |
| Gedom Properties Limited | Real estate | 2021 |
| Geeling Investments Limited | Real estate | 1981 |
| Geeling Limited | Wholesale & retail | 2004 |
| Gees Haulage Limited | Transport & logistics | 2008 |
| Gees Properties Limited | Real estate | 2005 |
| Geesalesuk Limited | Wholesale & retail | 2007 |
| Geeta's Private Hire Limited | Transport & logistics | 2024 |
| GEM Wealth Management Limited | Professional & scientific | 2018 |
| Gemini Skies Limited | Professional & scientific | 2025 |
| Gemini Sleep Limited | Wholesale & retail | 2023 |
| Gemzoe Motorsport Limited | Administrative & support | 2021 |
| Gemzoe Motorsport Parts Limited | Administrative & support | 2019 |
| Genera Living Limited | Real estate | 2025 |
| Genesis IT Consultancy Limited | Information & communication | 2018 |
| Genesis Nest Ltd | Real estate | 2024 |
| Genetica Group Ltd | Professional & scientific | 2021 |
| Geneva Holdings Ltd | Real estate | 2026 |
| Gents Barber Ardsley Ltd | Other services | 2022 |
| GEO Management Associates LP | | 2009 |
| GEO Richardson & Sons Dewsbury Limited | Extraterritorial | 1961 |
| Georgina Baker Fitness Ltd | Wholesale & retail | 2021 |
| Geotechnical Supplies Limited | Professional & scientific | 2025 |
| Gerbro Services Ltd | Wholesale & retail | 2022 |
| Germ Buddies Limited | Administrative & support | 2017 |
| German Autocare Wakefield Limited | Wholesale & retail | 2015 |
| German Beverage Group Ltd. | Wholesale & retail | 2008 |
| German Light Aircraft Limited | Administrative & support | 2008 |
| German Tyres and Services Ltd | Other services | 2013 |
| German Vendors VK Ltd | Wholesale & retail | 2026 |
| German-Petshop Limited | Wholesale & retail | 2006 |
| German-Remaps Ltd. | Manufacturing | 2023 |
| Germany.Com Ltd | Professional & scientific | 2007 |
| Geruestbau CH. Diller Limited | Construction | 2004 |
| Gestia Management Services Ltd | Information & communication | 2025 |
| GET Consultancy Ltd | Information & communication | 2024 |
| GET INK Limited | Information & communication | 2023 |
| GET Your Media Ltd | Information & communication | 2018 |
| Getti Haulage Services Limited | Transport & logistics | 2025 |
| Getting Personal Limited | Wholesale & retail | 2004 |
| GF Plumbing Solutions Ltd | Construction | 2025 |
| Gfgp Ltd | Professional & scientific | 2013 |
| GGA Holdings Ltd | Real estate | 2026 |
| GGC Zebra Ltd | Health & social care | 2024 |
| GGM Consultancy Limited | Professional & scientific | 2025 |
| GGS Devco Limited | Real estate | 2020 |
| GGS NO. 2 Limited | Real estate | 2022 |
| GHA Environmental Ltd | Construction | 2018 |
| Ghost Communications Limited | Manufacturing | 2009 |
| Ghulam Sarwar Ltd | Wholesale & retail | 2023 |
| Giant Leap Productions Limited | Information & communication | 2005 |
| Gibsons of Kendal Limited | Wholesale & retail | 2021 |
| Gideon Cleaners Ltd | Other services | 2014 |
| GIE Care Ltd | Health & social care | 2019 |
| Gift Social Care Ltd | Health & social care | 2016 |
| GIFT4DAY Ltd | Wholesale & retail | 2025 |
| Giftzen Ltd | Wholesale & retail | 2025 |
| Gigabit Consultants Ltd | Information & communication | 2025 |
| Gigi's Pudsey Limited | Real estate | 2017 |
| Gilbert Michaelson Limited | Wholesale & retail | 2015 |
| Gilkar Developments Limited | Construction | 2013 |
| Gilkar Lettings Limited | Real estate | 2016 |
| Gilkar Medicare Limited | Health & social care | 2009 |
| Gilkar Property Services LLP | | 2010 |
| Gillian Arnold Limited | Manufacturing | 2018 |
| Gillis Risk Management Limited | Financial services | 2023 |
| Gimi Motors Ltd | Wholesale & retail | 2025 |
| Gingar Limited | Administrative & support | 2017 |
| Ginosko Properties Ltd | Real estate | 2025 |
| Giovaner Ltd | Health & social care | 2023 |
| Giraffe Technology Consulting Ltd | Information & communication | 2022 |
| Gisd Ltd | Construction | 2021 |
| GJ & AH Properties Ltd | Real estate | 2025 |
| GJ Fluid Power Ltd | Professional & scientific | 2015 |
| GJH Commercial Vehicle Services Limited | Wholesale & retail | 2010 |
| GK Christie Ltd | Professional & scientific | 2026 |
| GKV Dent Ltd | Health & social care | 2024 |
| GL Holding Limited | Administrative & support | 2006 |
| Glacier Dynamics Ltd | Information & communication | 2024 |
| Glade (UK) Limited | Professional & scientific | 2026 |
| Glamzoo Events Limited | Arts & recreation | 2017 |
| Glass & Fenestration Training Solutions Ltd | Education | 2010 |
| Glass and Mirror Technology Limited | Extraterritorial | 2024 |
| Gleichklang Limited | Administrative & support | 2006 |
| Glen Cooper Personal Estate Agent Ltd | Real estate | 2024 |
| Glendan Property Services Ltd | Real estate | 2026 |
| Glengineering Design Limited | Professional & scientific | 1985 |
| Glenncross Ltd | Health & social care | 2024 |
| GLF IT Services Ltd | Information & communication | 2021 |
| Glmh Limited | Other services | 1966 |
| Global Beauty Wholesale Ltd | Wholesale & retail | 2015 |
| Global Communication Integrators Limited | Information & communication | 2000 |
| Global Doors and Interiors Ltd | Manufacturing | 2018 |
| Global Education Specialists Ltd | Professional & scientific | 2016 |
| Global Hvac Ltd | Energy | 2017 |
| Global Interiors Group Limited | Professional & scientific | 2020 |
| Global Nexus Solutions Ltd | Information & communication | 2025 |