| G.P.F. Developments Limited | Construction | 2005 |
| Gaaros Ltd | Construction | 2025 |
| Gabe and Grace Limited | Wholesale & retail | 2007 |
| Galgate Village Ltd | Hospitality | 2025 |
| Galloway House Limited | Households | 2015 |
| GAP Lettings Ltd | Real estate | 2026 |
| Gapback Ltd | Administrative & support | 2020 |
| Gardens by Carter Limited | Administrative & support | 2002 |
| Gardian Logistics Ltd | Transport & logistics | 2022 |
| Gary J Gray Ltd | Construction | 2013 |
| GAS Cylinder Disposal and Recycling Limited | Water & waste | 2019 |
| GAS Cylinder Disposal Limited | Water & waste | 2019 |
| Gask Limited | Construction | 2017 |
| Gasline Plumbing & Heating Limited | Construction | 2010 |
| Gastronom Limited | Wholesale & retail | 2025 |
| Gastronomy Plus Limited | Manufacturing | 2009 |
| Gatenby Ground Properties Limited | Real estate | 2003 |
| GATEWAY365 Ltd | Information & communication | 2025 |
| Gavion Ltd | Professional & scientific | 2025 |
| GCF Group Holdings Limited | Households | 2023 |
| GED Heavyside Limited | Manufacturing | 2004 |
| Gelco Financial Limited | Administrative & support | 2017 |
| Gemini Computing Ltd | Other services | 2026 |
| Gemini Decor Limited | Construction | 1997 |
| Geneo Consultants Limited | Professional & scientific | 2024 |
| Geneo Consulting Limited | Professional & scientific | 2009 |
| Geneo Enterprises Limited | Professional & scientific | 2009 |
| Geneo Software Limited | Information & communication | 2007 |
| GENERATIONCO2 Ltd | Professional & scientific | 2016 |
| Genesis Building Limited | Construction | 2009 |
| Genyx-Ai Ltd | Information & communication | 2025 |
| Geomaxo Ltd | Mining & quarrying | 2023 |
| George Marcus Properties Ltd | Real estate | 2023 |
| Georgehenryproperty Ltd | Real estate | 2020 |
| Geotrac Ltd | Agriculture & fishing | 2026 |
| Gerrard Estates Limited | Real estate | 2025 |
| Gervais Investments Ltd | Real estate | 2019 |
| Gestalt Psychology Limited | Education | 2024 |
| GET Ahead Consulting Limited | Other services | 2015 |
| GET Your Mobi Limited | Information & communication | 2011 |
| GF European Exports Limited | Other services | 2010 |
| Gibsons Sports Limited | Wholesale & retail | 1977 |
| Gifford Dance Academy Events Limited | Education | 2022 |
| Gifford Dance Academy Limited | Arts & recreation | 2024 |
| Giggles Play and Adventure Ltd | Arts & recreation | 2012 |
| Gillisons Lancaster Limited | Wholesale & retail | 2012 |
| Gilstead Avenue (Heysham) Limited | Households | 2014 |
| Gingernut Catering Limited | Hospitality | 2021 |
| Ginnel Pigs CIC | Education | 2025 |
| GK Media Holdings Ltd | Real estate | 2019 |
| GL101 Limited | Hospitality | 2020 |
| Global Advanced Manufacturing Ltd | Manufacturing | 2025 |
| Global E-Marketplaces Ltd | Information & communication | 1997 |
| Global Energy Efficiency Ltd | Professional & scientific | 2024 |
| Global Link (Lancaster) | Education | 2004 |
| Global Media Productions Ltd | Information & communication | 2025 |
| Global Opportunities for HE Ltd | Professional & scientific | 2020 |
| Global PAY Limited | Professional & scientific | 2022 |
| Global Prepaid Solutions Ltd | Information & communication | 2009 |
| Global Risk International (GRI) Ltd | Administrative & support | 2016 |
| Global Risk International Limited | Public administration | 2016 |
| Global Risk International Training Ltd | Administrative & support | 2020 |
| GLOBAL-365 (Europe) Ltd | Information & communication | 2014 |
| GLOBAL-365 (UK) Ltd | Financial services | 1996 |
| GLOBAL-365 PLC | Information & communication | 2014 |
| GLOBAL-365 Properties Ltd | Real estate | 2025 |
| Glow Rooms Tanning and Beauty Studio Limited | Wholesale & retail | 2025 |
| Glyndley Manor Estates Limited | Real estate | 1986 |
| GM Secured Lending Opportunities 1001 Limited | Financial services | 2021 |
| GM Secured Lending Opportunities 1002 Limited | Financial services | 2021 |
| GML. N.W. Ltd | Transport & logistics | 2021 |
| GNS Property Rentals Ltd | Real estate | 2021 |
| Go Creative Design Limited | Information & communication | 2012 |
| Gofind Recruitment Limited | Administrative & support | 2025 |
| Gold.Fr Ltd | Administrative & support | 2012 |
| Good Place Co. Limited | Professional & scientific | 2025 |
| Goodwin Allen Limited | Arts & recreation | 2019 |
| Goose Inn Ltd | Hospitality | 2025 |
| Gorilla Brakes Limited | Wholesale & retail | 2022 |
| Gorson Investments Limited | Financial services | 2019 |
| Gpbenchmark Limited | Information & communication | 2023 |
| Gpmuk Ltd | Real estate | 2017 |
| GR and D Park Haulage Limited | Transport & logistics | 2000 |
| Grace Dance Limited | Arts & recreation | 2023 |
| Grace's Spaces Ltd | Hospitality | 2020 |
| Graeme Barton Limited | Agriculture & fishing | 2002 |
| Graeme Surtees Associates Ltd | Professional & scientific | 2003 |
| Graft Lancaster CIC | Administrative & support | 2017 |
| Graham Fawcett Plant Limited | Manufacturing | 2010 |
| Graham Woodend & SON Ltd | Construction | 2022 |
| Graham Woodend Building Solutions Ltd | Construction | 2018 |
| Graham's Lettings Limited | Real estate | 2024 |
| Graham. S. Wilson Limited | Construction | 2001 |
| Grant Parker Ltd | Transport & logistics | 2006 |
| Granville Park Management Limited | Households | 1994 |
| Grass Roots Ecology Limited | Professional & scientific | 2013 |
| Gray Studio Limited | Professional & scientific | 2016 |
| Grayston European Limited | Administrative & support | 2009 |
| Grazing COW Limited | Manufacturing | 2008 |
| Great Hestham Holdings Limited | Administrative & support | 2016 |