| FORTY-38 Ltd | Education | 2016 |
| Foulsyke Farm Management Company Limited | Households | 2018 |
| Fountain Properties (Wigton) Ltd | Real estate | 2021 |
| Foxy Trading Ltd | Financial services | 2021 |
| France Information Group Limited | Information & communication | 2025 |
| Frances Eilbeck Bloodstock Ltd | Administrative & support | 2022 |
| Frontier Construction & Development Ltd | Construction | 2022 |
| Futamura Chemical UK Limited | Manufacturing | 2016 |
| Futamura UK Limited | Administrative & support | 2016 |
| G & S Fitness Limited | Arts & recreation | 2011 |
| G Dixon Decorating Limited | Construction | 2003 |
| G P Benson Limited | Professional & scientific | 2014 |
| G Pattinson Fabrications Limited | Manufacturing | 2006 |
| G W Rudd Motor Engineering Limited | Wholesale & retail | 2005 |
| Gabriel Daly Ltd | Construction | 2025 |
| Giles Civil Engineering Ltd | Construction | 2011 |
| Gina's Plaice (Wigton) Ltd | Hospitality | 2022 |
| Gladpace Limited | Professional & scientific | 1998 |
| Glanpro Ltd | Wholesale & retail | 2024 |
| Glass House Restaurant Ltd | Hospitality | 2025 |
| Goodcertain Property Management Limited | Households | 1996 |
| GPL Insurance Services Limited | Professional & scientific | 2003 |
| Graham Farms Holding Limited | Agriculture & fishing | 2006 |
| Graham Farms Limited | Agriculture & fishing | 2019 |
| Grange Projects (Northern) Ltd | Construction | 2015 |
| Grange Properties (Northern) Limited | Hospitality | 2026 |
| Grange Steelwork & Cladding Ltd | Professional & scientific | 2023 |
| Green Door (Boot) Limited | Hospitality | 2008 |
| Green Door (Woolpack) Ltd | Hospitality | 2010 |
| Greenazz Limited | Real estate | 2025 |
| Greenhill Hotel Limited | Hospitality | 2017 |
| Greening Limited | Agriculture & fishing | 2008 |
| Greenquarries | Administrative & support | 2011 |
| Greenwood Properties Limited | Real estate | 2020 |
| Grey Goat 2022 Limited | Hospitality | 2022 |
| Gulam Spice Tandoori Ltd | Hospitality | 2026 |
| GWC Property Development Ltd | Construction | 2026 |
| H.D Systems (Aspatria) Ltd | Construction | 2017 |
| Hair Bonito Limited | Other services | 2015 |
| Hallburn Wind Turbines Limited | Energy | 2015 |
| Haltcliffe | Agriculture & fishing | 2008 |
| Hamilton South Limited | Construction | 2016 |
| Happy Juniper Ltd | Manufacturing | 2022 |
| Harpers Newsagents Limited | Wholesale & retail | 2005 |
| Harrison Electrical (Cumbria) Ltd | Construction | 2018 |
| Harvey Hughes Limited | Professional & scientific | 2005 |
| Haulsmart Europe Limited | Information & communication | 2025 |
| HCP Pumps UK Ltd. | Extraterritorial | 2011 |
| Heavenly Fish and Chips on the Go Ltd | Hospitality | 2021 |
| Hellon Electrical Ltd | Construction | 2008 |
| Henson Civil Engineering Ltd | Administrative & support | 2014 |
| Hesket Newmarket Play Area Association | Arts & recreation | 2009 |
| Hesta Properties Limited | Real estate | 2008 |
| High Bank Consulting Limited | Professional & scientific | 2003 |
| High Pike Limited | Real estate | 2008 |
| High POW Limited | Agriculture & fishing | 2007 |
| Hill Contracts (Northern) Limited | Construction | 2008 |
| Hodgson Poultry Limited | Agriculture & fishing | 2012 |
| Hole Crook | Administrative & support | 2008 |
| Holme Construction (UK) Limited | Construction | 2002 |
| Holme Construction LLP | | 2012 |
| Hope's Auction Company,Limited | Administrative & support | 1897 |
| House of Linda ANN Limited | Wholesale & retail | 2013 |
| House Sparrow Homes Limited | Real estate | 2017 |
| Hunter Contracts North East Limited | Construction | 2009 |
| Hunter Holdings (Bowness on Solway) Limited | Construction | 2023 |
| Hunter Leisure Group Limited | Hospitality | 2017 |
| I Drive 2TF Limited | Information & communication | 2022 |
| IAN Hartley Limited | Professional & scientific | 2003 |
| IAN Wharton Limited | Agriculture & fishing | 2002 |
| Ibis Enterprises Ltd | Real estate | 2013 |
| Ignite Wholesale Electrical Limited | Wholesale & retail | 2009 |
| ILM Cumberland Ltd | Administrative & support | 2022 |
| Innovia Films (Holding) Limited | Professional & scientific | 2013 |
| Innovia Films Limited | Manufacturing | 1933 |
| Innovia Group (Holding 3) Limited | Professional & scientific | 2004 |
| Insta-Tan Home Sunbed Rental Ltd | Administrative & support | 2021 |
| Interzone Pictures Ltd | Information & communication | 2017 |
| Islekirk Court Management Company Limited | Extraterritorial | 2009 |
| J & M (Guest House) Limited | Hospitality | 2010 |
| J & S Harrison Limited | Agriculture & fishing | 2006 |
| J B Lewis & SON Company | Administrative & support | 2011 |
| J Harrison (Kirkbride) Limited | Agriculture & fishing | 2007 |
| J J Phizacklea Limited | Agriculture & fishing | 2018 |
| J R Harrison Ltd | Financial services | 2023 |
| J&I Nicoll and Sons Ltd | Wholesale & retail | 2019 |
| J.Stobart & Sons Limited | Manufacturing | 1963 |
| Jacksons Recovery (Carlisle) Limited | Extraterritorial | 2003 |
| JAF (Cumbria) Limited | Construction | 2021 |
| JAF Limited | Construction | 2000 |
| James Allan Builders (Carlisle) Limited | Construction | 1973 |
| Jarg Wigton Limited | Real estate | 2016 |
| Jessica Ball Decorations Ltd | Construction | 2020 |
| JET A-1 Ltd | Transport & logistics | 2016 |
| JIM Scott Joinery Limited | Construction | 2000 |
| JO Corbishley Leadership Ltd | Professional & scientific | 2019 |
| JO Rycroft Health Ltd | Health & social care | 2020 |
| John Hetherington Ltd | Extraterritorial | 2013 |
| Johnsons Grasmere Ltd | Hospitality | 2025 |
| Johnston Heating and Plumbing Limited | Construction | 2004 |