| G.F.S. (Holdings) Limited | | 1985 |
| G.L.P Installations Ltd | Other services | 2008 |
| G.T.Forty Properties Limited | Real estate | 1971 |
| G04 Services Ltd | Administrative & support | 2025 |
| G11 Transport Limited | Transport & logistics | 2019 |
| G2 Wealth Limited | Real estate | 2016 |
| G3 Homes Ltd | Construction | 2020 |
| G3MN Property Limited | Real estate | 2022 |
| G7 Industrial Supplies Ltd | Wholesale & retail | 2019 |
| G8 Property Management Ltd | Real estate | 2016 |
| G82 Limited | Professional & scientific | 2019 |
| G9 Vehicle Solutions Limited | Extraterritorial | 2019 |
| GA Howarth Ltd | Education | 2023 |
| GA Transport(Yorkshire) Limited | Transport & logistics | 2017 |
| Gaamabase Limited | Financial services | 2014 |
| Gab&Raf Ltd | Transport & logistics | 2019 |
| Gabriel Repairs Ltd | Wholesale & retail | 2026 |
| Gabriel Star Limited | Real estate | 2012 |
| GAD 4 U Ltd | Transport & logistics | 2024 |
| GAD Training Services Limited | Administrative & support | 2022 |
| Gaddes Consulting Limited | Professional & scientific | 2023 |
| Gaddes Holdings Limited | Real estate | 2022 |
| Gaddes Homes Limited | Construction | 2017 |
| Gaddes Investments Limited | Construction | 2017 |
| Gaia Home Care Ltd | Health & social care | 2022 |
| Gail Hopper Consultancy Ltd | Professional & scientific | 2022 |
| Gains Money App Ltd | Information & communication | 2025 |
| Galaionu Ltd | Transport & logistics | 2022 |
| Gallery 2 Cawthorne Limited | Wholesale & retail | 2013 |
| Galtee More Residential Home Ltd | Health & social care | 2012 |
| Gam-T Logistics Ltd | Transport & logistics | 2025 |
| Garage Services Yorkshire Limited | Wholesale & retail | 2017 |
| Gardiner Accountants Limited | Professional & scientific | 2015 |
| Garments Ware Limited | Wholesale & retail | 2025 |
| Garry Meakins Design Studio Limited | Professional & scientific | 2026 |
| Garsia Limited | Wholesale & retail | 2026 |
| Garwood Roofing Ltd | Construction | 2025 |
| Gary Clarke Company Ltd | Arts & recreation | 2021 |
| Gary Lodge AB Limited | Wholesale & retail | 2023 |
| Gary Lodge Tankers Ltd | Administrative & support | 2016 |
| Gary Punia Property Limited | Real estate | 2020 |
| GAS Mark 10 Classic Ltd | Arts & recreation | 2025 |
| GAS on Services Ltd | Construction | 2023 |
| GAS Solutions (Northern) Limited | Administrative & support | 2016 |
| GAS Training Bradford ECS Ltd | Professional & scientific | 2024 |
| GASMARK10 COR Limited | Wholesale & retail | 2022 |
| GASMARK10OFFICIAL Limited | Wholesale & retail | 2022 |
| Gateford Executive Travel Ltd | Transport & logistics | 2005 |
| Gatehouse Court Management Company Ltd | Real estate | 2004 |
| Gates Estates (Yorkshire) Ltd | Real estate | 2019 |
| Gates Homes Birdwell Ltd | Construction | 2024 |
| Gates Homes Ltd | Construction | 2020 |
| Gates Property Lettings Ltd | Real estate | 2010 |
| Gateway Church Barnsley | Other services | 2011 |
| Gateway Plaza Limited | Construction | 2005 |
| Gateway Plaza Rentals Limited | Real estate | 2010 |
| Gathered Consulting Ltd | Information & communication | 2023 |
| Gatis&K Couriers Ltd | Transport & logistics | 2019 |
| Gawber Flats Maintenance Limited | Real estate | 1989 |
| Gawber Preschool Limited | Education | 2014 |
| GAZ Jones Plastering Limited | Construction | 2022 |
| Gazzella Earthworks Ltd | Water & waste | 2017 |
| Gbac Estates and Probate Services Limited | Professional & scientific | 2020 |
| Gbac Group Limited | Financial services | 2018 |
| Gbac Holdings Limited | Financial services | 2025 |
| Gbac Nominees Limited | Financial services | 2018 |
| Gbac Secretarial Services Limited | Professional & scientific | 2020 |
| GBD Plant Limited | Wholesale & retail | 2014 |
| GBD Structural Detailing Ltd | Professional & scientific | 2019 |
| Gbee Ltd | Construction | 2025 |
| Gbee Network Ltd | Administrative & support | 2025 |
| GBH 22 Ltd | Hospitality | 2025 |
| Gbro Haulage Ltd | Transport & logistics | 2022 |
| GCB Electrical Contractors Ltd | Construction | 2021 |
| Gcmtech Ltd | Information & communication | 2025 |
| GCW Driver Services Limited | Transport & logistics | 2006 |
| Gcxl Limited | Hospitality | 2010 |
| GD Homez Ltd | Real estate | 2025 |
| Gdeco Limited | Real estate | 2013 |
| Gear CUT (UK) Limited | Professional & scientific | 2008 |
| Gear UP Academy Ltd | Education | 2024 |
| Geared UP Leisure Ltd | Wholesale & retail | 2014 |
| Gecko Decking Limited | Extraterritorial | 2014 |
| Gecko Merchandise Ltd | Manufacturing | 2025 |
| Geet Services & Solutions Ltd | Information & communication | 2016 |
| GEM Homecare Ltd | Health & social care | 2022 |
| GEM Imports Limited | Wholesale & retail | 2010 |
| Gemcare Holdings Ltd | Professional & scientific | 2026 |
| Gemini Surveys Ltd | Administrative & support | 2026 |
| Gems Beauty Studios Limited | Other services | 2009 |
| Genesis Estate Planning Ltd | Professional & scientific | 2018 |
| Genesis Wills and Estate Planning Limited | Professional & scientific | 2023 |
| Geni-Us Manufacturing Limited | Manufacturing | 2018 |
| Genius Division Limited | Information & communication | 2010 |
| Geoff Clegg Limited | Wholesale & retail | 1986 |
| Geoffrey Ripley & SON BUS & Coach Sales Ltd | Water & waste | 2007 |
| George & Dragon Barnsley Ltd | Hospitality | 2015 |
| George Claudiu Healthcare Limited | Health & social care | 2022 |
| George Florea Ltd | Transport & logistics | 2019 |
| George Sharman & SON (Hoyland) Limited | Construction | 1965 |