| Genesis Properties Midlands Limited | Administrative & support | 2014 |
| GENESIS24 Solutions Ltd | Administrative & support | 2024 |
| Genex UK Limited | Manufacturing | 2001 |
| Geniu Construction Ltd | Construction | 2025 |
| Gentle Path Care Ltd | Public administration | 2021 |
| GEO Speed Ltd | Transport & logistics | 2023 |
| Geoclima (UK) Limited | Extraterritorial | 2011 |
| Geoff’S Decks Ltd | Administrative & support | 2025 |
| George Fortune Consultancy Ltd | Professional & scientific | 2024 |
| George Loucas Limited | Real estate | 2009 |
| George Taylor & Co. Lifting Gear (Europe) Limited | Professional & scientific | 1974 |
| George Taylor & Co. Lifting Gear (Midlands) Limited | Wholesale & retail | 1977 |
| Georges Fish Bar (WB) Limited | Wholesale & retail | 2010 |
| Georgia Grace Limited | Other services | 2025 |
| Georgino Koumi Commercial Ltd | Real estate | 2026 |
| Georgios Pizza Place Limited | Hospitality | 2017 |
| Gerard Peters Ltd | Administrative & support | 2009 |
| Geryon Group Limited | Financial services | 2025 |
| GET FAT With US Limited | Wholesale & retail | 2018 |
| GET LEE Limited | Wholesale & retail | 2024 |
| GET Plated Number Plates Ltd | Manufacturing | 2024 |
| Getwork Building Contractors Ltd | Real estate | 2024 |
| Gexonix Limited | Wholesale & retail | 2026 |
| GFX Ltd | Wholesale & retail | 2015 |
| GG Criminal Solicitors Ltd | Professional & scientific | 2023 |
| Ggmh Limited | Health & social care | 2022 |
| GGS Care Home Limited | Health & social care | 2013 |
| GH Building Team Limited | Construction | 2002 |
| GH Party Limited | Wholesale & retail | 2022 |
| GH9 Housing Limited | Hospitality | 2017 |
| Ghalib's Holdings Ltd | Manufacturing | 2025 |
| Ghanghro Medics Ltd | Health & social care | 2008 |
| Ghattaura Limited | Health & social care | 2025 |
| GHC Improvements Limited | Construction | 2016 |
| Ghotra Media Ltd | Wholesale & retail | 2024 |
| GHR Holdings Limited | Financial services | 2013 |
| Ghracing Limited | Wholesale & retail | 2025 |
| GHUMAN786 Limited | Transport & logistics | 2017 |
| GI Film Services Limited | Information & communication | 2016 |
| Gia-Giara Ltd | Transport & logistics | 2013 |
| Gian Properties Ltd | Real estate | 2024 |
| Giffords Property Holdings Limited | Extraterritorial | 2016 |
| Giffords Property Limited | Professional & scientific | 1988 |
| Gifting Queen Ltd | Wholesale & retail | 2020 |
| Gigaport Print and Communications Limited | Extraterritorial | 2008 |
| Giggs Electrical Limited | Construction | 2017 |
| Gilbert & Day Limited | Construction | 2017 |
| Gilcorp. Limited | Wholesale & retail | 2015 |
| Gill Holding Investments Limited | Financial services | 2023 |
| Gill Mini Store Ltd | Wholesale & retail | 2019 |
| Gill Motosport Limited | Wholesale & retail | 2022 |
| Gill Property & Development Ltd | Real estate | 2026 |
| Gill Trading Ltd | Wholesale & retail | 2025 |
| Gilldor Care Limited | Health & social care | 2014 |
| Gillian Fisher Limited | Other services | 2020 |
| Gillity a & C Services Ltd | Professional & scientific | 2020 |
| Gillpharm Limited | Wholesale & retail | 2020 |
| Gillpharm Property Investments Ltd | Real estate | 2024 |
| Gills Building Supplies Ltd | Wholesale & retail | 2020 |
| Gills Funeral Care Ltd | Other services | 2022 |
| Gilpin & Harding Limited | Professional & scientific | 2012 |
| Gilstead Financial Ltd | Financial services | 2017 |
| Gina LOU Limited | Wholesale & retail | 2020 |
| Ginday Enterprise Ltd | Information & communication | 2025 |
| Gindaygm Limited | Real estate | 2023 |
| Ginger Bakes Ltd | Manufacturing | 2025 |
| Ginger Innovations Ltd. | Professional & scientific | 2016 |
| Ginger Innovations Properties Limited | Real estate | 2024 |
| Gingerdog Technology Limited | Information & communication | 2019 |
| Gisdr Ltd | Transport & logistics | 2025 |
| GJ Civils Limited | Construction | 2023 |
| Gjmann Ltd | Real estate | 2025 |
| GJR Property Solutions Ltd | Households | 2013 |
| GK Auto Bodyshop Ltd | Wholesale & retail | 2021 |
| GK Panesar Ltd | Wholesale & retail | 2025 |
| GK Videography Ltd | Information & communication | 2024 |
| GKD Midlands Limited | Health & social care | 2023 |
| GKL Group Limited | Financial services | 2023 |
| GL Gulli Laser Centre Ltd | Other services | 2019 |
| GL Investment Group Ltd | Financial services | 2021 |
| Glaast Ltd | Manufacturing | 2017 |
| Glac Limited | Wholesale & retail | 2024 |
| Gladys Sannah Mthombeni Ltd | Health & social care | 2013 |
| Glam Healthcare Ltd | Health & social care | 2021 |
| Glam ME Ltd | Other services | 2024 |
| Glamified & Co. Ltd | Wholesale & retail | 2024 |
| Glamorous Birmingham Ltd | Hospitality | 2021 |
| Glamorous Derby Ltd | Hospitality | 2026 |
| Glass Machinery Solutions Limited | Manufacturing | 2010 |
| Glass Slipper Couture Limited | Manufacturing | 2011 |
| Glasstec Global Limited | Wholesale & retail | 2024 |
| Glazing Metrics Limited | Professional & scientific | 2023 |
| Glebe Cottage Developments Ltd | Real estate | 2022 |
| Glenfield Homes Limited | Real estate | 2022 |
| Glenn Bowker (Birmingham) Ltd | Wholesale & retail | 2022 |
| Glide and Slide Holdings Ltd | Manufacturing | 2025 |
| Glide and Slide Limited | Manufacturing | 2015 |
| Glimwoth Ltd | Wholesale & retail | 2024 |
| Glitters Limited | Wholesale & retail | 2017 |
| GLJ Services Limited | Construction | 2024 |