| Grgm Ltd | Real estate | 2019 |
| Grice Industrial Estate Ltd | Real estate | 1998 |
| Grid Power Solutions Ltd | Construction | 2023 |
| Griesio Holdings Limited | Financial services | 2024 |
| Grieve App Ltd | Wholesale & retail | 2022 |
| Griffin Wealth Management Ltd | Professional & scientific | 2012 |
| Grill CH1 Ltd | Hospitality | 2026 |
| Grill Chester Ltd | Hospitality | 2025 |
| Grizzly Creative Ltd | Wholesale & retail | 2023 |
| GRO Space Limited | Administrative & support | 2017 |
| Groco 2025 Limited | Construction | 2023 |
| Groco 409 Limited | Financial services | 2025 |
| Groco 410 Limited | Financial services | 2025 |
| Groco 619 Limited | Financial services | 2026 |
| Groco 620 Limited | Financial services | 2026 |
| Groco 621 Limited | Financial services | 2026 |
| Groco 622 Limited | Financial services | 2026 |
| GROCO355 Ltd | Professional & scientific | 2013 |
| Gros Flooring Limited | Construction | 2016 |
| Grosvenor Advisory Limited | Administrative & support | 2012 |
| Grosvenor Care Limited | Health & social care | 2025 |
| Grosvenor Cleaning Limited | Administrative & support | 2002 |
| Grosvenor Cleaning U.K. Limited | Administrative & support | 2002 |
| Grosvenor Farms Limited | Agriculture & fishing | 1973 |
| Grosvenor Garden Centre Limited | Professional & scientific | 2000 |
| Grosvenor Green Energy Limited | Financial services | 2000 |
| Grosvenor Green GAS Limited | Energy | 2022 |
| Grosvenor International Limited | Administrative & support | 2025 |
| Grosvenor Orthodontics (Chester) Limited | Manufacturing | 2013 |
| Grosvenor Park (Leighton) Management Company Limited | Households | 2003 |
| Grosvenor Park Miniature Railway Limited | Arts & recreation | 2011 |
| Grosvenor Place Ltd | Financial services | 2006 |
| Grosvenor Place Wealth Management Limited | Financial services | 2006 |
| Grosvenor Travel Group Limited | Administrative & support | 2017 |
| Ground Level Surveys Ltd | Professional & scientific | 2023 |
| Grounded Gems Ltd | Wholesale & retail | 2026 |
| Groundworks North West Limited | Construction | 2006 |
| Grove Goodman Limited | Real estate | 2021 |
| Groveos Ltd | Information & communication | 2025 |
| Growth Eagle Ltd | Professional & scientific | 2022 |
| Growth Vector Marketing Limited | Professional & scientific | 2012 |
| GS Validation Limited | Professional & scientific | 2015 |
| GS2 Club Ltd | Other services | 2014 |
| Gsbl Properties Limited | Real estate | 2018 |
| GSH Engineering Ltd | Professional & scientific | 2025 |
| Gsix Group Limited | Professional & scientific | 2019 |
| GST Communications UK Limited | Wholesale & retail | 2008 |
| GSW (Property Consultant) Limited | Real estate | 2017 |
| Gsys Limited | Information & communication | 2010 |
| GT Coffee Ltd | Wholesale & retail | 2022 |
| GT Science and Software Ltd | Information & communication | 2012 |
| GTL Plastics Ltd | Manufacturing | 2008 |
| GTM Recruitment Ltd | Administrative & support | 2022 |
| Gtrans Ltd | Transport & logistics | 2013 |
| GTS Engineering and Power Consultancy Limited | Professional & scientific | 2021 |
| Guardian Mtech Ltd | Wholesale & retail | 2025 |
| Guild Events Lease Ltd | Financial services | 2020 |
| Guild Events Ltd | Hospitality | 2019 |
| Guilden Management Ltd | Information & communication | 2019 |
| Guilden Sutton Developments Limited | Construction | 2021 |
| Guilden Sutton Green Space | Arts & recreation | 2018 |
| Guilden Sutton Hall (Management) Limited | Real estate | 1978 |
| Guilford Accounting Limited | Professional & scientific | 2013 |
| Guillotine Agency Ltd | Information & communication | 2024 |
| Guntrip Associates Limited | Information & communication | 1995 |
| Gurama Ltd | Hospitality | 2020 |
| GV Oral Care Ltd | Health & social care | 2026 |
| Gvtg Road Transport Law Limited | Professional & scientific | 2021 |
| GW Property (Chapel) Limited | Real estate | 2017 |
| GWD Credit Services Ltd | Financial services | 2024 |
| GWM Solutions Ltd | Administrative & support | 2011 |
| GYK Healthcare Services MCR Ltd | Health & social care | 2023 |
| H & BO Design Ltd | Real estate | 2025 |
| H & H Jointing Ltd | Construction | 2021 |
| H & M Construction (Widnes) Limited | Construction | 2021 |
| H & N Properties Limited | Real estate | 2012 |
| H & P Electrical Contractors Ltd | Energy | 2011 |
| H Blackford Consulting Limited | Administrative & support | 2020 |
| H H Accountants Limited | Professional & scientific | 2014 |
| H LL Davies Limited | Wholesale & retail | 2005 |
| H P Jones & SON Limited | Agriculture & fishing | 2007 |
| H&C 888 Ltd | Hospitality | 2019 |
| H&J Automotive Consultants Limited | Professional & scientific | 2014 |
| H.B.S Property Ltd | Real estate | 2018 |
| H.L Financial Limited | Financial services | 2006 |
| H.M.O. Lettings & Developments Ltd | Real estate | 2018 |
| Habberley Trail Ltd | Arts & recreation | 2016 |
| Hackett Communications Ltd | Professional & scientific | 2022 |
| Hackler's Pride Bloodstock Limited | Wholesale & retail | 2021 |
| HACKS4TAX Ltd | Professional & scientific | 2024 |
| Hada Interiors Limited | Professional & scientific | 2024 |
| Haddon Homes Limited | Construction | 2000 |
| Haiqing Foods UK Ltd | Wholesale & retail | 2021 |
| Hair by Meira Ltd | Other services | 2025 |
| Hair by Paris and Lisa Ltd | Other services | 2025 |
| Hair Directors and Beauty Limited | Other services | 2000 |
| Hair Parade Chester Ltd | Other services | 2026 |
| Hairly Berry Ltd | Wholesale & retail | 2026 |
| HAJ Property Investments Limited | Real estate | 2025 |
| Halal N Hustle Limited | Professional & scientific | 2024 |