| Goode Associates Limited | Professional & scientific | 2001 |
| Goodsell & Cowley Ltd | Wholesale & retail | 2010 |
| Goodwater Limited | Administrative & support | 1988 |
| Gora Films Limited | Information & communication | 2016 |
| Gore Construction Services Ltd | Construction | 2019 |
| Gorski DOM LP | | 2011 |
| Gorton Oaks Management Company Limited | Households | 2005 |
| Gossip Girl PR Ltd | Extraterritorial | 2017 |
| Govene Word Business LLP | | 2022 |
| Gracie Productions Limited | Information & communication | 2010 |
| Graeme Ashley Ltd | Construction | 2017 |
| Graham & Son's Plumbing Ltd | Construction | 2025 |
| Grainford Court Wokingham Management Company Limited | Households | 1974 |
| Grand Chauffeurs of Wokingham Ltd | Transport & logistics | 2024 |
| Granwood Limited | Professional & scientific | 1969 |
| Grassroots Landscapes and Gardens Ltd | Administrative & support | 2007 |
| Gravato Ltd | Information & communication | 2020 |
| Gravitest Limited | Other services | 2024 |
| Gravity Workplace Ltd | Information & communication | 2022 |
| Gravyon Ltd | Wholesale & retail | 2025 |
| Gray of Wokingham Limited | Agriculture & fishing | 1921 |
| Grcjp Ltd | Professional & scientific | 2018 |
| Greek Street Property Ltd | Real estate | 2023 |
| Green Acorn Consulting Limited | Professional & scientific | 2013 |
| Green Advent Limited | Wholesale & retail | 2025 |
| Green Electrical Services Ltd | Construction | 2024 |
| Green Fern Mortgages Ltd | Financial services | 2019 |
| Green Gates (Maidenhead) Management Company Limited | Households | 2017 |
| Green Goal Energy Limited | Energy | 2011 |
| Green Labs Research Limited | Agriculture & fishing | 2016 |
| Green OWL Renovations Limited | Construction | 2013 |
| Green Room Fabrication Ltd | Manufacturing | 2020 |
| Green SET Supply Limited | Administrative & support | 2022 |
| Green Walk Properties Ltd | Real estate | 2025 |
| Greenacres Farm Ltd | Real estate | 1999 |
| Greenfield Management Consultants Ltd | Professional & scientific | 2021 |
| Greenfield Structures Ltd | Construction | 2021 |
| Greenflash Ltd | Information & communication | 2026 |
| Greenvit Limited | Wholesale & retail | 2024 |
| Greenways Energy Limited | Construction | 2023 |
| Greenwood Business Rules Management Solutions Ltd | Information & communication | 2010 |
| Greenwood Chapter Limited | Wholesale & retail | 2025 |
| Greg Sinclair Cooling Ltd | Energy | 2021 |
| Grey Matters Franchise Limited | Other services | 2019 |
| Greycoat Court Management Company Limited | Households | 2003 |
| Greycoat Freeholders Company Limited | Households | 2009 |
| Greyrigge Associates Limited | Professional & scientific | 2023 |
| Greyshill Properties Limited | Construction | 1972 |
| Greystoke (Slough)Management Limited | Households | 1983 |
| Grid Point Holdings Limited | Construction | 2014 |
| Grid Point Recruitment Limited | Administrative & support | 2017 |
| Gridpoint Consulting Limited | Professional & scientific | 2020 |
| Griffin Cleaning (Southern) Ltd | Administrative & support | 2014 |
| Griffin Holdings (Wokingham) Ltd | Financial services | 2022 |
| Griffin Media Group Ltd | Information & communication | 2026 |
| Grinciu UK Ltd | Transport & logistics | 2014 |
| Gritor Ltd | Professional & scientific | 2020 |
| Grove Hill Close (Reading) Management Company Limited | Households | 2010 |
| Grove House (Farnborough) Management Company Limited | Households | 2017 |
| Growth New Business Limited | Administrative & support | 2018 |
| Growth Strategy Direction Limited | Professional & scientific | 2021 |
| GS Consult Limited | Professional & scientific | 2025 |
| GS Project Management Services Limited | Professional & scientific | 2017 |
| Gsfn Trading Ltd | Wholesale & retail | 2025 |
| GSP Consultancy Ltd | Extraterritorial | 2024 |
| GSR Technology Europe Ltd | Manufacturing | 2009 |
| GT Club Ltd | Wholesale & retail | 2023 |
| GTR Motors Logistics Ltd | Transport & logistics | 2025 |
| GTR Stock Consultancy Ltd | Wholesale & retail | 2023 |
| Guardia Protection Services Ltd | Administrative & support | 2025 |
| Guildgate House Management Company Limited | Households | 2015 |
| Guroz Ltd | Financial services | 2025 |
| Gurugeeree Ltd | Wholesale & retail | 2024 |
| Guvlondon Limited | Wholesale & retail | 2024 |
| GUY Aubertin Photography Limited | Professional & scientific | 2015 |
| Gygar Holdings Ltd | Financial services | 2021 |
| H J Newman Limited | Other services | 2020 |
| H Square Studio Limited | Professional & scientific | 2023 |
| H&A Nails Spa Limited | Other services | 2019 |
| H&C Osteopathy Ltd | Health & social care | 2023 |
| H&N Oriental Trading Ltd | Wholesale & retail | 2025 |
| H20 (Hair to Order-Wokingham) Limited | Other services | 2003 |
| H4U Cars Ltd | Wholesale & retail | 2015 |
| Hackney Lane Group Ltd | Professional & scientific | 2025 |
| Haddock Technical Furniture Ltd | Manufacturing | 2024 |
| Hadley Wealth Limited | Professional & scientific | 2013 |
| Haines Homes Construction Ltd | Construction | 2017 |
| Hair & Scalp Clinics Limited | Wholesale & retail | 2026 |
| Hair and Beauty Poetry Ltd | Wholesale & retail | 2023 |
| Halal Street UK Limited | Wholesale & retail | 2014 |
| Halcyon IF Advisory Limited | Professional & scientific | 2026 |
| Halffire Limited | Financial services | 2022 |
| Hall Hunter Construction Ltd | Construction | 2021 |
| Hall Hunter Ltd | Financial services | 2021 |
| Hall Hunter Partnership (Farming) | Agriculture & fishing | 2001 |
| Hall Hunter Properties Ltd | Construction | 2021 |
| Hall Hunter Property Investments Ltd | Real estate | 2021 |
| Hallett Estates Ltd | Real estate | 2021 |
| Hallett Jones Ltd | Real estate | 2019 |
| Halo Beauty Ltd | Other services | 2026 |