| Gifts to Remember Limited | Administrative & support | 2008 |
| Gigex Consulting Ltd | Administrative & support | 2017 |
| Gigli's Pies Limited | Wholesale & retail | 2002 |
| Gilderdale Roofing Limited | Construction | 2022 |
| Gilpin Lock Ltd | Wholesale & retail | 2025 |
| Ginger Packaging IR Ltd | Administrative & support | 2025 |
| Giraudon Law Limited | Information & communication | 2014 |
| Giri Hotels Group Limited | Hospitality | 2018 |
| GJC Electrical Limited | Construction | 2003 |
| Gjns Group Limited | Hospitality | 2025 |
| GJT Property Limited | Real estate | 2025 |
| GL Wainwright Limited | Construction | 2001 |
| Gladstone Belvoir Ltd | Wholesale & retail | 2025 |
| Glantine and Glen Limited | Real estate | 2024 |
| Glasdon (UK) Limited | Manufacturing | 1987 |
| Glasdon Designs Limited | Extraterritorial | 2000 |
| Glasdon Group Limited | Manufacturing | 1987 |
| Glasdon International Limited | Manufacturing | 1987 |
| Glasdon Limited | Professional & scientific | 1964 |
| Glasdon Manufacturing Limited | Extraterritorial | 1987 |
| Glastec Limited | Extraterritorial | 1982 |
| Glazing Services (North West) Limited | Construction | 2008 |
| GLE Developments Limited | Real estate | 2015 |
| GLE Properties Ltd | Hospitality | 2022 |
| Gleave - Builders Ltd | Construction | 2019 |
| Gledhill Building Products Limited | Manufacturing | 2003 |
| Gledhill Response Limited | Other services | 2008 |
| Gledhow Property Solutions Ltd | Real estate | 2014 |
| Glencore Investments Limited | Real estate | 2013 |
| Glencrts Ltd | Wholesale & retail | 2025 |
| Glenda Valley Ltd | Wholesale & retail | 2025 |
| Glendor Hotel Limited | Hospitality | 2024 |
| Gleneagles (ST Annes) Limited | Households | 2002 |
| Glenelg Developments Ltd | Wholesale & retail | 2025 |
| Glengarry Management Company (Lytham) Limited | Households | 1984 |
| Glengarry Melton Ltd | Wholesale & retail | 2025 |
| Glengrove Limited | Real estate | 2017 |
| Glenmer Developments Limited | Professional & scientific | 2011 |
| Glenoak Homes Limited | Construction | 2004 |
| Glenston Davies Limited | Wholesale & retail | 2025 |
| Glenthorne NO 2 Care Home Limited | Health & social care | 2016 |
| Glenthorne Rest Home Limited | Health & social care | 2011 |
| GLH Property Ltd | Real estate | 2020 |
| Glitch & Grind Limited | Wholesale & retail | 2026 |
| Global Assets Group Ltd | Administrative & support | 2018 |
| Global Business (UK) Limited | Hospitality | 2006 |
| Global Business Systems Limited | Wholesale & retail | 2019 |
| Global Business Tradelinks Limited | Wholesale & retail | 2017 |
| Global Development Technologies Limited | Information & communication | 2002 |
| Global Energy Discounts Limited | Information & communication | 2025 |
| Global Engineering Systems Limited | Information & communication | 2007 |
| Global Football Network International Ltd | Arts & recreation | 2025 |
| Global IT & Telecoms Systems Consultancy Services Ltd | Information & communication | 2019 |
| Global Perfumes Ltd | Wholesale & retail | 2024 |
| Global RN Consultants Ltd | Education | 2024 |
| Global Services North West Limited | Administrative & support | 2014 |
| Global Shift Ltd | Wholesale & retail | 2025 |
| Global Transform Limited | Professional & scientific | 2011 |
| Glotechtel Consultancy Limited | Professional & scientific | 2015 |
| Gloucester Court Management Company Limited | Households | 1987 |
| Glove Consulting Ltd | Professional & scientific | 2012 |
| Glovia Yachting Limited | Extraterritorial | 2026 |
| Glow Elevate Oaks Ltd | Wholesale & retail | 2024 |
| Glowy Nature Yachting Ltd | Extraterritorial | 2024 |
| GLR IT Solutions Limited | Information & communication | 2015 |
| Gluckstein-Ruto Limited | Information & communication | 2016 |
| Glyn Nelson Limited | Wholesale & retail | 2008 |
| GM Landlord Company Services Limited | Real estate | 2021 |
| GM Marketing Services Ltd | Wholesale & retail | 2020 |
| GMS Recruitment Consultants Ltd | Administrative & support | 2025 |
| GMT Everyday Ltd | Wholesale & retail | 2025 |
| Gneric Electrical Limited | Construction | 2021 |
| Go Electrical Wholesale (Blackpool) Limited | Wholesale & retail | 2002 |
| Go Electrical Wholesale (Holdings) Limited | Professional & scientific | 2017 |
| Go GAS NW Limited | Construction | 2022 |
| Go Grow Trolley Ltd | Wholesale & retail | 2026 |
| Go Local Extra Limited | Wholesale & retail | 2025 |
| Go Shop Brands Ltd | Administrative & support | 2024 |
| Gobu UK Ltd | Hospitality | 2023 |
| Goddard Beauty Limited | Other services | 2025 |
| Goder Dilly Ltd | Real estate | 2024 |
| Goggle Pods Limited | Arts & recreation | 2017 |
| Gogo.La Limited | Transport & logistics | 2017 |
| Gold 4 Limited | Other services | 2017 |
| Gold Standard Damp Proofing Ltd | Construction | 2026 |
| Gold Standard Offshore Solutions Ltd | Construction | 2025 |
| Gold Star Health Ltd | Information & communication | 2025 |
| Golden AGE Holdings Limited | Financial services | 2016 |
| Golden Apple Ltd | Real estate | 2021 |
| Golden Bird Blackpool Ltd | Hospitality | 2019 |
| Golden Gate Consulting Ltd | Professional & scientific | 2019 |
| Goldfinch Electrical Limited | Construction | 2014 |
| Golding Management Ltd | Other services | 2013 |
| Goldsmiths Consulting Limited | Information & communication | 2014 |
| Goldstar Merchandise Ltd | Wholesale & retail | 2026 |
| Golfscoreboards Ltd | Extraterritorial | 2021 |
| GONDAL1 Ltd | Administrative & support | 2018 |
| Good Creation Services Ltd | Administrative & support | 2022 |
| Good GUY Vape Co Limited | Wholesale & retail | 2026 |
| Good Taste Blackpool Ltd | Hospitality | 2025 |