| Fusion Wealth Solutions Ltd | Financial services | 2021 |
| Futr Plumb Ltd | Construction | 2022 |
| Future Care Private Ltd | Health & social care | 2025 |
| Future Generation Hospitality Group Ltd | Financial services | 2023 |
| Future Physique Gym Limited | Arts & recreation | 2024 |
| Future Zero Emission Ltd | Other services | 2024 |
| Futuredev Initiatives CIC | Professional & scientific | 2021 |
| Futurework (WW) Holdings Ltd | Construction | 2013 |
| FW Structures Limited | Education | 2026 |
| Fwmus Consulting Ltd | Professional & scientific | 2025 |
| G & C Purshouse Properties Limited | Real estate | 2023 |
| G & CJ Motors Ltd | Wholesale & retail | 2024 |
| G & L Property Development Ltd | Real estate | 2003 |
| G & N Ventures Limited | Administrative & support | 2024 |
| G & P Waste Services Limited | Water & waste | 2015 |
| G a Food & Wine Ltd | Wholesale & retail | 2022 |
| G Angell Contractors Limited | Construction | 2022 |
| G B Creative Productions Limited | Arts & recreation | 2015 |
| G Force Grips Ltd | Information & communication | 2024 |
| G G Decorating Limited | Construction | 2018 |
| G H VAT Consultancy LLP | | 2008 |
| G J Construction 1985 Limited | Construction | 2015 |
| G K Films & Media Limited | Information & communication | 2016 |
| G L Walsh Transport Limited | Transport & logistics | 2011 |
| G Nanthan's Store Ltd | Wholesale & retail | 2025 |
| G Price Limited | Construction | 2020 |
| G R Electrical Services (Yorkshire) Ltd | Construction | 2018 |
| G R Taxis Ltd | Transport & logistics | 2013 |
| G S Bespoke Interiors Ltd | Construction | 2017 |
| G S H Painter & Decorator Limited | Construction | 2007 |
| G S Heating Ltd | Construction | 2023 |
| G S Precision Engineering Ltd | Manufacturing | 2020 |
| G Stroparo Ltd | Health & social care | 2017 |
| G T S Site Services Ltd | Construction | 2021 |
| G W Potts (Electrical) Limited | Administrative & support | 2001 |
| G Wheels Yorkshire Limited | Transport & logistics | 2019 |
| G&D Logistics Ltd | Transport & logistics | 2025 |
| G&E Dera Limited | Real estate | 2025 |
| G&G Projects Barnsley Ltd | Other services | 2025 |
| G&T Yorkshire Properties Ltd | Real estate | 2022 |
| G-R Performance Limited | Wholesale & retail | 2011 |
| G. a. Assembly Limited | Manufacturing | 1992 |
| G. D. Aerials Limited | Information & communication | 2009 |
| G. D. Woodworking Limited | Manufacturing | 1987 |
| G. W. Developments (Doncaster) Limited | Construction | 2004 |
| G.M. Asquith Fabrications (Holdings) Limited | Financial services | 2020 |
| G.M. Asquith Fabrications Limited | Manufacturing | 2002 |
| G.P.G. 2000 Limited | Wholesale & retail | 1999 |
| G.W. Woolhouse & Sons Limited | Agriculture & fishing | 1987 |
| G1 Telecoms Limited | Information & communication | 2017 |
| GA Electronic Design Ltd | Other services | 2014 |
| GA Repairs & Services Ltd | Manufacturing | 2022 |
| Gaaard Protection Ltd | Manufacturing | 2019 |
| Gabriel Czesnik Ltd | Transport & logistics | 2018 |
| Gabriel's Couriers Limited | Transport & logistics | 2024 |
| Gadget Wave Ltd | Wholesale & retail | 2026 |
| Gadgethhouse Ltd | Wholesale & retail | 2025 |
| Gaffers Caff Limited | Hospitality | 2025 |
| Gaia Landscape Solutions Ltd | Administrative & support | 2021 |
| Gaia Woman Ltd | Wholesale & retail | 2019 |
| Gains Room Central Ltd | Arts & recreation | 2022 |
| Gajitz Ltd | Wholesale & retail | 2020 |
| Gala Technology Limited | Information & communication | 2015 |
| Gala Tent Limited | Wholesale & retail | 2001 |
| Galeforce Realestate Ltd | Real estate | 2019 |
| Galero Transport Limited | Transport & logistics | 2024 |
| Gallag Enterprises Ltd | Real estate | 2025 |
| Gallant Agency Ltd | Professional & scientific | 2021 |
| Gallery Town Limited | Education | 2014 |
| Galley's Agricultural Poultry & Livestock Ltd | Agriculture & fishing | 2021 |
| Galloway Moss Ltd | Wholesale & retail | 2025 |
| Game Sourcerer Limited | Information & communication | 2025 |
| Gamma 2.2 Ltd | Information & communication | 2015 |
| Gamston Wood Livery Ltd | Agriculture & fishing | 2018 |
| Ganaka Ltd | Health & social care | 2023 |
| GAP Electrical Solutions Ltd | Manufacturing | 2012 |
| GAP Welding Services Limited | Manufacturing | 2023 |
| GAP-555 Ltd | Hospitality | 2022 |
| GAP-777 Ltd | Hospitality | 2023 |
| GAP-888 Ltd | Hospitality | 2022 |
| GAP-99 Ltd | Real estate | 2022 |
| Gapi Ltd. | Wholesale & retail | 1998 |
| GAR Consultancy Limited | Health & social care | 2016 |
| Garden Do-It-All Maintenance Ltd | Administrative & support | 2021 |
| Garden Shed UK Ltd | Manufacturing | 2014 |
| Gardenforce South Yorkshire Limited | Administrative & support | 2026 |
| Gardenforce Yorkshire Ltd | Administrative & support | 2022 |
| Gareth Hall Limited | Administrative & support | 2017 |
| Garmc Limited | Health & social care | 2016 |
| Garry Forman Services Limited | Construction | 2025 |
| Gary Marsden Logistics Ltd | Construction | 2020 |
| GAS Meter Engineers Ltd | Professional & scientific | 2026 |
| GAS Plastering Ltd | Construction | 2021 |
| GAS Repair Solutions Ltd | Construction | 2024 |
| Gaspar and Associates Ltd | Professional & scientific | 2017 |
| Gastech Installations Limited | Construction | 1996 |
| Gates of Wisdom Ltd | Administrative & support | 2024 |
| Gatesphere Estates Limited | Real estate | 2025 |
| Gateway Networks Ltd | Information & communication | 2025 |
| Gateway Primary Care C.I.C. | Health & social care | 2011 |