| GR Glazing Solutions Ltd | Construction | 2020 |
| GR Nutrition Ltd | Arts & recreation | 2025 |
| GR8 Homes Limited | Real estate | 2018 |
| Gracall Ltd | Financial services | 2019 |
| Grace E&P Ltd | Professional & scientific | 2022 |
| Grace Wellness CIC | Public administration | 2023 |
| Gracecare Child Protection Ltd | Health & social care | 2025 |
| Graced With Love Limited | Wholesale & retail | 2022 |
| Gracehola Homes Ltd | Real estate | 2010 |
| Gracehola Ltd | Wholesale & retail | 2021 |
| Graeme Wilson Ltd | Professional & scientific | 2025 |
| Graft Properties Ltd | Real estate | 2025 |
| Grafterboy Records Limited | Information & communication | 2018 |
| Grafton Walks Mews Management Company Limited | Real estate | 1996 |
| Graham & Fisher Limited | Professional & scientific | 2013 |
| Graham Roberts Electrical Limited | Construction | 2014 |
| Grampian Project Consultants Limited | Construction | 2023 |
| Grange Cross HEY Management Company Limited | Households | 1989 |
| Grange Workwear Ltd | Wholesale & retail | 2026 |
| Grangestones Limited | Wholesale & retail | 2013 |
| Grangewood Properties (Wirral) Ltd | Real estate | 2012 |
| Grant Epple Ltd | Real estate | 2022 |
| Grassendale Properties Limited | Extraterritorial | 1997 |
| Gravento Ltd | Wholesale & retail | 2025 |
| Grayspropertyinvestments Ltd | Real estate | 2024 |
| Graywillcom Ltd | Information & communication | 2023 |
| Graze Upon US Limited | Hospitality | 2022 |
| Grazeygood Ltd | Hospitality | 2024 |
| GRC Accountants Limited | Professional & scientific | 2012 |
| Greasby Food and Wines (Wirral) Limited | Wholesale & retail | 2007 |
| Greasby Great Wall Ltd | Hospitality | 2022 |
| Greasby Pre-School Playgroup Limited | Education | 2011 |
| Great British Music Camps Limited | Education | 2013 |
| Great British Stair Lift Limited | Wholesale & retail | 2017 |
| Great Gait Ltd | Health & social care | 2016 |
| Greater Sense Ltd. | Health & social care | 2021 |
| Grebway Ltd | Wholesale & retail | 2025 |
| Green Driver Training Ltd | Education | 2021 |
| Green Fern Properties Limited | Real estate | 2015 |
| Green Light Probate Ltd | Other services | 2020 |
| Green Mole Ltd | Construction | 2017 |
| Green Precision Consultancy Ltd | Information & communication | 2022 |
| Green Speak Ltd | Administrative & support | 2023 |
| Green Structure Energy Limited | Professional & scientific | 2026 |
| Green Wave Procurement Ltd | Professional & scientific | 2023 |
| Greenfields 1958 Limited | Extraterritorial | 2013 |
| Greenium Heating Ltd | Construction | 2022 |
| Greenlawn Mews Management Limited | Households | 2002 |
| Greenrealm Limited | Agriculture & fishing | 2026 |
| Greens Cottages Ltd | Real estate | 2024 |
| Greenshore Developments Limited | Administrative & support | 2016 |
| Greenview Property Investment Ltd | Real estate | 2023 |
| Greenways Turf Limited | Agriculture & fishing | 2012 |
| Gregorys Farm Limited | Arts & recreation | 2006 |
| Greve Properties (NW) Limited | Real estate | 2021 |
| GRI Properties Limited | Real estate | 2024 |
| Grid Decisions Ltd | Information & communication | 2026 |
| Griffiths Electrical Limited | Construction | 2017 |
| Griffiths Healthcare Ltd | Health & social care | 2017 |
| Griffiths Precision Moulds Limited | Manufacturing | 2000 |
| Griffiths Security Limited | Administrative & support | 2015 |
| Griffiths Technical Services Limited | Construction | 2021 |
| GRK Property Developments Ltd | Real estate | 2020 |
| Grosvenor Community Associates Limited | Public administration | 2009 |
| Grosvenor Development North West Limited | Construction | 2014 |
| Grosvenor Granite and Quartz Ltd | Other services | 2019 |
| Grosvenor Homes (Wirral) Limited | Construction | 2016 |
| Grosvenor Homes North Limited | Construction | 2024 |
| Grosvenor Marquees Limited | Other services | 2020 |
| Grosvenor Properties (UK) Limited | Real estate | 1994 |
| Ground & Pound Limited | Construction | 2016 |
| Ground Ltd | Hospitality | 2026 |
| Grove House Specialists Limited | Health & social care | 2004 |
| Grow 365 Group Limited | Education | 2024 |
| Grow-Wellbeing C.I.C. | Education | 2018 |
| Groweb Limited | Administrative & support | 2013 |
| Growth Ladder Digital Limited | Professional & scientific | 2025 |
| Grrr Ltd | Real estate | 2024 |
| GS Bakery Ltd | Manufacturing | 2021 |
| Gscp Ltd | Administrative & support | 2011 |
| Gsil Solutions Ltd | Professional & scientific | 2021 |
| GSK One Property Limited | Real estate | 2025 |
| GSK Two Limited | Real estate | 2025 |
| GT Aviation Services Ltd | Manufacturing | 2020 |
| GT Cove & Cornice Limited | Construction | 2023 |
| GT Garden Solutions Ltd | Other services | 2017 |
| GU2 Property Limited | Real estate | 2021 |
| Guesswhosdead Limited | Information & communication | 2024 |
| Guest Design Services Limited | Professional & scientific | 2011 |
| Guicompus Ltd | Information & communication | 2019 |
| Guliand Ltd | Information & communication | 2013 |
| GUN Park Holdings Limited | Real estate | 2002 |
| Gunform (Equipment Supplies) Limited | Construction | 1990 |
| Gunform (U.K.) Limited | Construction | 1988 |
| Gunform International (EOT) Limited | Financial services | 2025 |
| Gunform International Limited | Construction | 1997 |
| Gurkhaflame Ltd | Hospitality | 2025 |
| Guttervak Ltd | Administrative & support | 2017 |
| GWH Maintenance Services Ltd | Construction | 2024 |
| Gwood Access Ltd | Construction | 2025 |