| G W Skip Hire Limited | Administrative & support | 2008 |
| G&A Delights Ltd | Wholesale & retail | 2023 |
| G&B International Logistics Ltd | Transport & logistics | 2023 |
| G&G's Playgroup Limited | Health & social care | 2018 |
| G&L Mastics Limited | Construction | 2025 |
| G&M Builders Group Ltd | Construction | 2025 |
| G&R Shergill Limited | Transport & logistics | 2022 |
| G&S Heer Construction Limited | Administrative & support | 2025 |
| G&T IT Solutions Ltd | Information & communication | 2026 |
| G&V Barbers Ltd | Other services | 2025 |
| G. Cooper (Wolverhampton) Limited | Construction | 1971 |
| G.Aap Ltd | Hospitality | 2022 |
| G.B.G. Fences Limited | Construction | 1957 |
| G.F. Haynes & Co. Limited | Extraterritorial | 1973 |
| G.F.P.Engineering Limited | Manufacturing | 1968 |
| G.H.Stafford & SON Limited | Manufacturing | 1963 |
| G.K Food and Wines Limited | Wholesale & retail | 2023 |
| G.K. Wines & Groceries Ltd | Wholesale & retail | 2008 |
| G.M. Jones & SON Limited | Wholesale & retail | 1999 |
| G.O.D.T.K Homes Ltd | Health & social care | 2019 |
| G.S.S. Home Development Ltd | Construction | 2021 |
| G1M Group Ltd | Administrative & support | 2020 |
| G1M QS Services Ltd | Professional & scientific | 2019 |
| G3 Custom Build Ltd | Manufacturing | 2024 |
| GA Auto Bodys Ltd | Wholesale & retail | 2025 |
| GA Cladding Limited | Construction | 2024 |
| GA Commercial Laundry Solutions Ltd | Administrative & support | 2021 |
| GA Olive Limited | Administrative & support | 2014 |
| GAB and Chris Ltd | Health & social care | 2023 |
| GAB Construction Services Ltd | Construction | 2019 |
| Gablebanks Ltd | Professional & scientific | 2013 |
| Gabriel Power & Co.Limited | Manufacturing | 1954 |
| Gabriel Spedition Ltd | Transport & logistics | 2019 |
| Gaddesby.Inc Ltd | Real estate | 2019 |
| Gaia Ecology Ltd | Professional & scientific | 2023 |
| Gainz Gym Equipment Limited | Wholesale & retail | 2025 |
| Gajjar & Sons Limited | Professional & scientific | 2016 |
| Gajjar Holdings Ltd | Financial services | 2025 |
| Galaxy Care Transport Ltd | Health & social care | 2025 |
| Galaxy Ecom Solutions Limited | Wholesale & retail | 2025 |
| Galaxy Tours & Travel Ltd | Administrative & support | 2015 |
| Galidi Process Solutions Limited | Administrative & support | 2013 |
| Gallagher Homes Limited | Construction | 2009 |
| Gallant International Ltd | Professional & scientific | 2025 |
| Gallifrey Consultants Limited | Administrative & support | 2010 |
| Gamebird Products Limited | Manufacturing | 1992 |
| Gamurani Limited | Health & social care | 2015 |
| Ganpaty Kidswear Ltd | Wholesale & retail | 2026 |
| Ganyobi Group Ltd | Manufacturing | 2026 |
| GAP Health Limited | Health & social care | 2021 |
| GAP Holdco Limited | Financial services | 2026 |
| Garage DKU Ltd | Manufacturing | 2012 |
| Garcha (Midlands) Limited | Hospitality | 2012 |
| Garcha Haulage Ltd | Transport & logistics | 2002 |
| Garden 1SP Limited | Hospitality | 2026 |
| Garden Cabins Limited | Wholesale & retail | 2009 |
| Garden Plant Hire Limited | Administrative & support | 2001 |
| Garden Walk Management Company (West Midlands) Limited | Households | 2021 |
| Gareth Clarke Services Ltd | Construction | 2014 |
| Garrim Limited | Information & communication | 2011 |
| Gary M Limited | Agriculture & fishing | 2012 |
| Gary Tilt Limited | Construction | 2018 |
| GAS Foods (Banbury) Ltd | Wholesale & retail | 2025 |
| GAS Foods (Daventry) Ltd | Hospitality | 2026 |
| GAS Foods (Stratford) Ltd | Hospitality | 2024 |
| GAS Foods (Wellingborough) Ltd | Hospitality | 2024 |
| GAS Line Solutions Ltd | Professional & scientific | 2025 |
| Gasby International UK Ltd | Hospitality | 2025 |
| Gasdrv Ltd | Transport & logistics | 2025 |
| Gate Inn Branston Ltd | Hospitality | 2022 |
| Gather Studio Ltd | Administrative & support | 2025 |
| Gavin Mills Consultancy Limited | Professional & scientific | 2024 |
| Gavs Mith Works Ltd | Manufacturing | 2023 |
| GAW Trading Ltd | Wholesale & retail | 2025 |
| GB HR Services Ltd | Administrative & support | 2023 |
| GB Open Karate Ltd | Education | 2024 |
| GB Trader Auto Ltd | Wholesale & retail | 2025 |
| Gballoons Limited | Wholesale & retail | 2023 |
| GBZ Trnsport Limited | Transport & logistics | 2024 |
| GC Inns Limited | Hospitality | 2020 |
| GC Legal Limited | Professional & scientific | 2025 |
| GD Hair Ltd | Other services | 2011 |
| GD Memorials (Midlands) Limited | Manufacturing | 2010 |
| Gdaniels Limited | Wholesale & retail | 2026 |
| GDF Limited | Administrative & support | 2023 |
| Geanina Beauty Ltd | Other services | 2024 |
| Gearr Technologies Limited | Professional & scientific | 2024 |
| Gecko Access Limited | Construction | 2017 |
| Geek - Guru Ltd | Information & communication | 2006 |
| Gemini Coaches Ltd | Transport & logistics | 2025 |
| Gemini Homecare Limited | Construction | 2002 |
| Gendale Developments Ltd | Construction | 2025 |
| General Electrical Contractors Limited | Manufacturing | 2006 |
| General Leathers (Walsall) Limited | Wholesale & retail | 2015 |
| General Property Limited | Real estate | 1991 |
| Generation Electrical Limited | Construction | 2019 |
| Generator Components UK Limited | Manufacturing | 2004 |
| Genesis Care and Support Ltd | Health & social care | 2020 |
| Genesis Clearance Ltd | Water & waste | 2025 |
| Genesis New Beginnings Ltd | Health & social care | 2024 |