| Glow Tanning (Cumbria) Ltd | Other services | 2025 |
| GMB Developments Limited | Construction | 2002 |
| GMC Cumbria Limited | Wholesale & retail | 2014 |
| GMM Mulvey Limited | Health & social care | 2018 |
| GMU Ministries Limited | Other services | 2017 |
| GN Aesthetics Limited | Health & social care | 2023 |
| Go LOW Carbon Limited | Wholesale & retail | 2016 |
| Go Solar Installations Ltd | Construction | 2023 |
| Goactiv Training & Performance Ltd | Arts & recreation | 2016 |
| Gogorilla Media and Technologies Group Ltd | Information & communication | 2024 |
| Goldberg Enterprises Ltd | Extraterritorial | 2006 |
| Golden Dragon Carlisle Ltd | Hospitality | 2018 |
| Golden Taxis Ltd | Transport & logistics | 2025 |
| Golf Vacations UK Limited | Administrative & support | 2000 |
| Good Companions (Cumbria) Limited | Health & social care | 2002 |
| Goose & Hobbes Limited | Other services | 2023 |
| Gordon Consultancy Limited | Professional & scientific | 2002 |
| Gore Hospitality Limited | Manufacturing | 2007 |
| Gosearch Limited | Extraterritorial | 1999 |
| Gosforth Taxis Limited | Transport & logistics | 2014 |
| Gospodinov G Ltd | Health & social care | 2018 |
| GPA KLM Ltd | Professional & scientific | 2023 |
| GPC Cumbria Limited | Administrative & support | 2008 |
| GPS 2022 Ltd | Real estate | 2022 |
| Grab N Go Mini Market 22 Ltd | Wholesale & retail | 2026 |
| Grace Crawford Designs Limited | Wholesale & retail | 2022 |
| Gracie Iris Ltd | Hospitality | 2026 |
| Grad House Limited | Real estate | 2013 |
| Graeme Howe Fencing Limited | Construction | 2003 |
| Graeme Macleod Property Ltd | Real estate | 2019 |
| Grafix Property Company Limited | Real estate | 2001 |
| Grafix Sign Makers Limited | Other services | 1976 |
| Graham (Commercials) Limited | Wholesale & retail | 1962 |
| Graham Arms Inn Limited | Hospitality | 2023 |
| Graham Associates Limited | Professional & scientific | 2018 |
| Graham Holdings Cargo Ltd | Agriculture & fishing | 2024 |
| Graham House Properties Ltd | Hospitality | 2025 |
| Graham J Smith & SON (Carlisle) Limited | Construction | 2023 |
| Graham's Newsagents Limited | Wholesale & retail | 2007 |
| Graham.Whyte.Rail Ltd | Construction | 2018 |
| Grahame Gordon Butchers Company | Wholesale & retail | 2011 |
| Grain Communications Limited | Information & communication | 2010 |
| Grain Connect Limited | Information & communication | 2016 |
| Grain Connect Midco Limited | Financial services | 2021 |
| Grain Connect Topco Limited | Financial services | 2021 |
| Grain Online Management Limited | Administrative & support | 2012 |
| Grampus Heritage & Training Limited | Professional & scientific | 1997 |
| Gramus Hyperboricus Publications Limited | Information & communication | 2015 |
| Grange View (Wigton) Management Limited | Households | 2005 |
| Grant Plant Hire Limited | Administrative & support | 2018 |
| Grantraven Limited | Real estate | 1983 |
| Grass RAT Holdco Limited | Agriculture & fishing | 2025 |
| Graves (Cumberland) Investments Limited | Real estate | 2013 |
| Graves (Cumberland) Limited | Information & communication | 1933 |
| Gray Associates UK Limited | Professional & scientific | 2006 |
| Grays Kennels Limited | Agriculture & fishing | 2012 |
| Grays Picture Framers Limited | Manufacturing | 1950 |
| Grazing Ventures Limited | Agriculture & fishing | 2013 |
| Great Corby School | Education | 2011 |
| Great Holland Business Services Ltd | Administrative & support | 2021 |
| Great Salkeld Homes Limited | Construction | 2021 |
| Greaves Contractors Limited | Agriculture & fishing | 2010 |
| Green Dragon Activities Ltd | Administrative & support | 2011 |
| Green Giant Services Ltd | Construction | 2016 |
| Green Meadows Park Limited | Hospitality | 2016 |
| Green Waste Limited | Water & waste | 2001 |
| Greenacres Agricultural Solutions Limited | Water & waste | 2016 |
| Greenaway Enterprises Ltd | Other services | 2004 |
| Greenbins Limited | Administrative & support | 2014 |
| Greene Properties Ltd | Real estate | 2024 |
| Greengate Meadow (Levens) Management Company Limited | Households | 2017 |
| Greenliving Pharma Ltd | Wholesale & retail | 2014 |
| Greeno Smart Ltd | Wholesale & retail | 2026 |
| Greenpod Leisure T/As the Plough Inn Limited | Hospitality | 2023 |
| Greensale Limited | Agriculture & fishing | 2003 |
| Greensyke Management (Dalston) Limited | Real estate | 2012 |
| Greensyke Property Limited | Construction | 2011 |
| Greenwall Designs Limited | Professional & scientific | 2001 |
| Greenwich Peninsula Esco Limited | Professional & scientific | 2014 |
| Greenwood Court (Carlisle) Management Limited | Households | 2013 |
| Greenwood Online Limited | Information & communication | 2025 |
| Grey Cumbria Limited | Health & social care | 2024 |
| Greypoint Construction Limited | Construction | 2012 |
| Greystoke Fields (Penrith) Management Company Limited | Real estate | 2021 |
| Greystone Community Association | Other services | 2012 |
| Greystone Developments (North West) Ltd | Construction | 2018 |
| Greystone House Residential Care Home Limited | Health & social care | 2009 |
| Greystone Leisure Limited | Hospitality | 2021 |
| GRF 2012 Limited | Real estate | 2012 |
| Grindal Developments Limited | Real estate | 2014 |
| Grizzly Marketing Limited | Information & communication | 2019 |
| Grizzly Ventures Ltd | Information & communication | 2022 |
| Grocer HUT Ltd | Wholesale & retail | 2023 |
| Groomfellas Carlisle Ltd | Other services | 2022 |
| Grosvenor House (Carlisle) Limited | Households | 1985 |
| Groundstruction Limited | Construction | 2020 |
| Growing UP in Dance CIC | Education | 2025 |
| GRR Consultants Ltd | Administrative & support | 2018 |
| Grumpy Koala Property Management Limited | Households | 2017 |
| GSW ENG Ltd | Professional & scientific | 2024 |