| G & a P Properties Ltd | Real estate | 2024 |
| G & a Rigging Services Ltd | Information & communication | 2019 |
| G & a Transport Services Limited | Transport & logistics | 2006 |
| G & B Fixings (UK) Ltd | Administrative & support | 2015 |
| G & D Sanders Holding Company Limited | Professional & scientific | 1994 |
| G & J Steels Limited | Manufacturing | 1997 |
| G & JV Blessings Limited | Health & social care | 2013 |
| G & K Hair Lounge Ltd | Other services | 2013 |
| G & L Services Limited | Manufacturing | 1988 |
| G & S Installations Limited | Construction | 2012 |
| G 9 Design Ltd | Professional & scientific | 2008 |
| G 9 Design Projects Limited | Professional & scientific | 2016 |
| G and E Facilities Management Limited | Construction | 2018 |
| G and E Motors Ltd | Wholesale & retail | 2018 |
| G ARC Investments Limited | Financial services | 2017 |
| G B Scaffolding (Gainsborough) Limited | Construction | 2012 |
| G Broughton Ltd | Construction | 2013 |
| G Cooke Engineering Limited | Manufacturing | 2025 |
| G Corporation Ltd | Wholesale & retail | 2024 |
| G Enterprises Ltd | Other services | 2023 |
| G H Financial Solutions Limited | Professional & scientific | 2012 |
| G H Motors (Chesterfield) Ltd | Wholesale & retail | 2023 |
| G Harrison Electrical Ltd | Construction | 2009 |
| G Hinch Electrical Ltd | Construction | 2014 |
| G J B (Contractors) Limited | Wholesale & retail | 2003 |
| G J Cook Limited | Construction | 2013 |
| G J Formwork Services Ltd | Construction | 2014 |
| G J Miller Ltd | Health & social care | 2025 |
| G L Walker Services Limited | Construction | 2013 |
| G LEE Roofing Services Ltd | Construction | 2021 |
| G M Barnes Consultancy Limited | Professional & scientific | 2025 |
| G M Medical Limited | Health & social care | 2020 |
| G M Property Services Ltd | Households | 2021 |
| G MAY Building Services Limited | Construction | 2024 |
| G Mirfin & SON Ltd | Other services | 2023 |
| G Morley (Yorkshire) Limited | Administrative & support | 2014 |
| G Morley Holdings Limited | Financial services | 2024 |
| G Morley Limited | Construction | 2011 |
| G N Bean Ltd | Financial services | 2019 |
| G N E Contracting Limited | Construction | 2003 |
| G Network Developers Ltd | Wholesale & retail | 2025 |
| G P Brough Limited | Construction | 2003 |
| G P Fire Protection Limited | Construction | 2006 |
| G P Home Insulation Limited | Construction | 2008 |
| G Punch Limited | Hospitality | 2025 |
| G R Motosport Limited | Manufacturing | 1998 |
| G Roberts (Penistone) Limited | Professional & scientific | 2003 |
| G Scott Engineering Limited | Construction | 2016 |
| G Sellars Brickwork Ltd | Construction | 2023 |
| G Siddons Limited | Construction | 1999 |
| G T Roofline Limited | Construction | 2008 |
| G T Travis Builders Limited | Construction | 2010 |
| G W Metalwork Limited | Manufacturing | 2013 |
| G W S N Ltd | Real estate | 2015 |
| G W Spares Ltd | Wholesale & retail | 2008 |
| G W Surfacing Ltd | Construction | 2007 |
| G Walker Golf Limited | Arts & recreation | 2009 |
| G&A Leisure & Properties Limited | Real estate | 2019 |
| G&B Construction (Yorkshire) Limited | Construction | 2019 |
| G&D Family Ltd | Wholesale & retail | 2023 |
| G&G Hunt Consultancy Ltd | Professional & scientific | 2019 |
| G&G Yummy Foods Ltd | Hospitality | 2020 |
| G&H Commercial Ltd | Real estate | 2014 |
| G&H Property (Suffolk) Limited | Hospitality | 2022 |
| G&J Hall Limited | Extraterritorial | 2004 |
| G&M Haulage Ltd | Transport & logistics | 2022 |
| G&M Jones Construction Services Ltd | Construction | 2014 |
| G-Force Aerobatics LLP | | 2015 |
| G-Force Mechanical Ltd | Construction | 2020 |
| G. & M. Paul Limited | Wholesale & retail | 1994 |
| G. Banks Limited | Construction | 1957 |
| G. Morris Properties Limited | Construction | 2003 |
| G. S. Precision Limited | Professional & scientific | 2004 |
| G. Sanders (Builder) Limited | Construction | 1976 |
| G. Spalding Plastering Contractors Limited | Construction | 2003 |
| G.And J.Ping Limited | Extraterritorial | 1951 |
| G.B. Commercial Cleaning Limited | Construction | 2019 |
| G.B. Housley Limited | Wholesale & retail | 1957 |
| G.E. Griffiths Limited | Construction | 1986 |
| G.E. Hurst & Sons Scaffolding Ltd | Construction | 2004 |
| G.E. Simm (Engineering) Limited | Other services | 1941 |
| G.E. Simm (Machinery) Limited | Wholesale & retail | 1947 |
| G.Jasminstore Limited | Wholesale & retail | 2025 |
| G.M. Turner Properties Limited | Wholesale & retail | 1922 |
| G.M.A Property Limited | Real estate | 2020 |
| G.P.C. Derwent Construction Company Limited | Wholesale & retail | 1977 |
| G.P.C. Property Limited | Administrative & support | 2003 |
| G.R.Q. Veall Limited | Health & social care | 2009 |
| G.S. Construction Limited | Construction | 1984 |
| G.W.Ford & SON Limited | Wholesale & retail | 1945 |
| G.W.Price Limited | Wholesale & retail | 1957 |
| G19 Flat Roofing Ltd | Construction | 2025 |
| G19ROOFING Ltd | Construction | 2020 |
| G2 Innovation (UK) Limited | Professional & scientific | 2010 |
| G2 Innovation Limited | Administrative & support | 2009 |
| G2 Media Productions Ltd | Information & communication | 2023 |
| G6 Network Ltd. | Information & communication | 2014 |
| G6 Social Club Limited | Hospitality | 2026 |
| G6PROPERTIES Limited | Real estate | 2026 |
| G8 Security Ltd | Administrative & support | 2010 |