| Grebe Wharf Limited | Households | 1995 |
| Greek Distribution Ltd | Hospitality | 2026 |
| Greek Sizzler Ltd | Hospitality | 2026 |
| Greekos Lancaster Limited | Hospitality | 2023 |
| Green Bell Consulting Ltd | Professional & scientific | 2025 |
| Green Court (Morecambe) Limited | Administrative & support | 2002 |
| Green Dome Investments Group Ltd | Financial services | 2022 |
| Green Impulse Foods Limited | Wholesale & retail | 2020 |
| Green Isles CIC | Information & communication | 2026 |
| Green Wave Services Limited | Construction | 2021 |
| Green With a Touch of Pink Limited | Professional & scientific | 2025 |
| Greenfield Caravan Park Holdings Limited | Financial services | 2010 |
| Greenfield Caravan Park Limited | Hospitality | 1963 |
| Greenfoot Garden Centre Limited | Wholesale & retail | 2021 |
| Greens Lancaster Limited | Hospitality | 2025 |
| Greenside Garden Care Limited | Administrative & support | 2025 |
| Greenvue Ecological Mitigation and Enhancement Ltd | Professional & scientific | 2021 |
| Gregory Williams Limited | Wholesale & retail | 1942 |
| Gregson Trading Limited | Hospitality | 2023 |
| Greyhame Limited | Other services | 2025 |
| Greyhound Studio Limited | Information & communication | 2021 |
| Greyscale Properties Limited | Construction | 2020 |
| Greystonegill Distillery Co. Ltd | Manufacturing | 2019 |
| Gribbin & SON Limited | Transport & logistics | 2024 |
| Griefchat Ltd | Health & social care | 2018 |
| Grimshaw Engineering & Surveying Ltd | Professional & scientific | 2026 |
| Grizzly Ropes Limited | Manufacturing | 2022 |
| Groundswell AI Limited | Professional & scientific | 2024 |
| Grove Hill Garage Limited | Wholesale & retail | 2007 |
| Grow Kitchen Ltd | Hospitality | 2025 |
| GS CLO Ltd | Wholesale & retail | 2025 |
| GS Investments (MCR) Ltd | Real estate | 2021 |
| GSC Kendal Limited | Administrative & support | 2020 |
| Gswh Limited | Financial services | 2015 |
| Guardian Power Limited | Financial services | 2019 |
| Guide's Farm Lodge Park Ltd | Hospitality | 2017 |
| Guidem Ltd | Real estate | 2018 |
| GUO Brothers UK Ltd | Wholesale & retail | 2021 |
| Gurres Ltd | Construction | 2026 |
| Guys "N" Dolls (Lancaster) Limited | Other services | 2007 |
| GVS Filter Technology UK Ltd | Manufacturing | 1991 |
| GVS Real Estate UK Limited | Real estate | 2018 |
| H Pearson Plumbing Services Ltd | Construction | 2020 |
| H R Hotels Ltd | Hospitality | 2005 |
| H20FARMING Ltd | Extraterritorial | 2022 |
| H3 Leisure Limited | Hospitality | 2019 |
| HA Dancewear Ltd | Wholesale & retail | 2023 |
| Habitat Interiors Ltd | Construction | 2021 |
| Haffner Orchestra Ltd | Arts & recreation | 2018 |
| Haha Fashion Inc Ltd. | Manufacturing | 2014 |
| Hahn Finance Limited | Administrative & support | 2020 |
| Haighs Properties Ltd | Real estate | 2021 |
| Hair Station Lancaster Limited | Extraterritorial | 2023 |
| Halal Services Company Limited | Other services | 2008 |
| Halal Store Lancaster Ltd | Wholesale & retail | 2023 |
| Halton Green Limited | Real estate | 2006 |
| Halton Tanning & Beauty Ltd | Other services | 2024 |
| Hamblett Hine Limited | Real estate | 2021 |
| Hamblett Homes Developments Limited | Construction | 2022 |
| Hamblett Homes Property Investment Ltd | Real estate | 2018 |
| Hamblett Properties Limited | Real estate | 2024 |
| Hamilton Group Consulting Limited | Professional & scientific | 2019 |
| Hammer Timed Ltd | Wholesale & retail | 2023 |
| Hammond Electrical Ltd | Construction | 2017 |
| Hamsy Enterprise Ltd | Hospitality | 2025 |
| Hanley Holdings LLP | | 2024 |
| Hannaford Holdings Ltd | Real estate | 2024 |
| Hannah Jessie Creative Ltd | Professional & scientific | 2020 |
| Hannah Smith Journalist Ltd | Arts & recreation | 2015 |
| Happy Mount House Management Company Limited | Households | 2008 |
| Harbour Home Services Ltd | Administrative & support | 2025 |
| Hardhead Haulage Ltd | Wholesale & retail | 2020 |
| Hardwicke House (Lancaster) Limited | Households | 1995 |
| Hardy Alexandra Dance Company Limited | Arts & recreation | 2019 |
| Harmony Health Wellbeing & Occupational Therapy Services CIC | Health & social care | 2025 |
| Harmony Studios Management Company Limited | Households | 2022 |
| Harmony Wellbeing Café Cumbria CIC | Wholesale & retail | 2025 |
| Harrier Consultancy Limited | Professional & scientific | 2006 |
| Harrisend Timber Buildings Ltd | Manufacturing | 2019 |
| Harrison & Pitt Architects Limited | Professional & scientific | 2002 |
| Harrison Brook Limited | Financial services | 2013 |
| Harrison Enterprises Ltd | Real estate | 2003 |
| Harrison Plastering Ltd | Construction | 2024 |
| Harrisons Autocentre Ltd | Wholesale & retail | 2019 |
| Hartley Housing Limited | Real estate | 2022 |
| Hartrans Services Ltd | Administrative & support | 2019 |
| Harvey's Pies Ltd | Hospitality | 2021 |
| Harveys Kitchen Ltd | Hospitality | 2021 |
| Hashestory Ltd | Wholesale & retail | 2026 |
| Hatfield Court Management (Bare) Ltd. | Households | 2006 |
| Hatua C.I.C. | Information & communication | 2010 |
| Haven Reach Supported Care C.I.C. | Health & social care | 2025 |
| Havensfield Developments Limited | Construction | 2022 |
| Haverbreaks Estates Limited | Real estate | 1997 |
| Hawkstone Court Management Co. Ltd. | Households | 2006 |
| Hawthorn and Slate Ltd | Real estate | 2025 |
| Hayclose Limited | Professional & scientific | 2011 |
| Hayes Contracting Ltd | Construction | 2025 |
| HB & L Barber Ltd | Other services | 2024 |
| HB Cleaning North Ltd | Administrative & support | 2011 |