| East Cumbria Motor Cycle Club Limited(The) | Arts & recreation | 1982 |
| Easterbrook Haulage Limited | Wholesale & retail | 1993 |
| Eddie Shimmings Limited | Wholesale & retail | 2013 |
| EDS Design Cumbria Ltd | Professional & scientific | 2025 |
| EDS Property Management Cumbria Ltd | Real estate | 2025 |
| Efci Group Ltd | Information & communication | 2021 |
| EG Electrical Ltd | Construction | 2026 |
| Electrolicious Ltd | Manufacturing | 2023 |
| Elite Plumbing Services Limited | Construction | 2002 |
| Encompassing HR Limited | Administrative & support | 2017 |
| Endurance Electrical Consultants Ltd | Construction | 2015 |
| EQ Car Rental Ltd | Administrative & support | 2019 |
| Essence Wellness Ltd | Other services | 2024 |
| Estelle Home Ltd. | Real estate | 2017 |
| ET Dyson Limited | Hospitality | 2026 |
| ET MED Ltd | Health & social care | 2018 |
| Evoforge Ltd | Wholesale & retail | 2019 |
| Evolution Automobile Engineering Limited | Wholesale & retail | 2003 |
| F Dempster Haulage Limited | Transport & logistics | 2003 |
| Fadeza Ltd | Wholesale & retail | 2026 |
| Famber Limited | Health & social care | 2025 |
| Fearon Builders Ltd | Construction | 2012 |
| Fell View Properties Limited | Real estate | 2013 |
| Fire Fence UK Limited | Construction | 2023 |
| Flappy and Fluffy Hideaway Limited | Hospitality | 2026 |
| Flimby Sports and Social Club Limited | Hospitality | 2019 |
| Foamed Glass (UK) Limited | Manufacturing | 2023 |
| Fong Dawson Mortgages Ltd | Financial services | 2021 |
| Forth Engineering (Cumbria) Limited | Wholesale & retail | 2000 |
| Forth Research & Development Limited | Education | 2014 |
| Foxglove Homes Limited | Construction | 2002 |
| Frew Ground Works Limited | Construction | 2025 |
| FRI Legal Limited | Information & communication | 2008 |
| FT Catering Cumbria Ltd | Hospitality | 2025 |
| G J B (Cumbria) Limited | Construction | 2003 |
| G T Tyres (Cumbria) Limited | Wholesale & retail | 2017 |
| G. C. Blocks Limited | Financial services | 2013 |
| Gary Horsley Limited | Construction | 2004 |
| Gatesgarth Hall | Administrative & support | 2007 |
| GE IT Services UK Ltd | Information & communication | 2009 |
| Gem's Barber Limited | Other services | 2022 |
| George Property Maintenance Ltd | Construction | 2018 |
| Goodwork Retail Ltd | Wholesale & retail | 2025 |
| Granville Court Care Services Ltd | Health & social care | 2022 |
| Great Broughton Village Store Ltd | Wholesale & retail | 2019 |
| Greggains Properties Limited | Real estate | 1996 |
| Grjp Engineering Limited | Professional & scientific | 2017 |
| Groves Property Management Ltd | Real estate | 2024 |
| H & G Banton Limited | Wholesale & retail | 2003 |
| H&H Services Cumbria Limited | Manufacturing | 2019 |
| H4 Solutions Limited | Information & communication | 2013 |
| Hallpack Ltd | Manufacturing | 2001 |
| Happy Apple & SON Ltd | Construction | 2018 |
| Harbour View Flats Maryport Limited | Extraterritorial | 2013 |
| Harrison & Little Plastering Services Limited | Construction | 2017 |
| Helen Davies Consulting Associates Ltd | Professional & scientific | 2020 |
| Hindmoor & Co | Administrative & support | 2007 |
| Holdsworth and Brown Ltd | Manufacturing | 2023 |
| I G Motorsport Limited | Wholesale & retail | 2017 |
| Ifra's Cafe Ltd | Hospitality | 2024 |
| Ignite GAS & Heating Services Ltd | Construction | 2019 |
| Indelible Data Limited | Professional & scientific | 2009 |
| Irving Transport Limited | Transport & logistics | 2003 |
| Izgara Maryport Limited | Hospitality | 2025 |
| J & J Hospitality and Leisure Ltd | Hospitality | 2023 |
| J & S Decorators West Cumbria Ltd | Construction | 2020 |
| J C Products Limited | Wholesale & retail | 2020 |
| J J Chapman Electrical Limited | Construction | 2011 |
| J Peel & SON Limited | Wholesale & retail | 2002 |
| J R Auto Refinishers Limited | Wholesale & retail | 2015 |
| J&J West Coast Ltd | Hospitality | 2025 |
| Jack Horseman Motorcycles Ltd | Wholesale & retail | 2003 |
| Jack Mccoubrey Inspection Limited | Manufacturing | 2024 |
| Jack the HAT Photographic Limited | Wholesale & retail | 2007 |
| James Jackson Builders Ltd | Construction | 2015 |
| Jazz Hair Studio Ltd | Other services | 2006 |
| Jess Travel Limited | Transport & logistics | 2025 |
| John Shimmings Joinery Limited | Construction | 2003 |
| Johnstons Cleaning & Maintenance Products West Cumbria Ltd | Wholesale & retail | 2025 |
| JRV Joinery Limited | Construction | 2025 |
| JRV Rentals Limited | Real estate | 2023 |
| K & W Partnerships Ltd | Hospitality | 2025 |
| K&L Kitchens Ltd | Wholesale & retail | 2019 |
| K&R Retail Ltd | Wholesale & retail | 2019 |
| Karys Elise Aesthetics Ltd | Wholesale & retail | 2025 |
| Kirkbride Eyecare Limited | Wholesale & retail | 2014 |
| KMG Agri Ltd | Manufacturing | 2016 |
| KMG Industrial Services Ltd | Professional & scientific | 2023 |
| KMG Services (Cumbria) Ltd | Construction | 2013 |
| Kowloon Takeaway (Seaton) Limited | Hospitality | 2001 |
| LA Cabs Ltd | Transport & logistics | 2025 |
| Lakeland Competitions Ltd | Arts & recreation | 2025 |
| Lakeland Draughting Services Ltd | Professional & scientific | 2019 |
| Lakeland Seamless Gutters Ltd | Construction | 2025 |
| Lakes&Coast Ltd | Construction | 2023 |
| Langley Business Park Management Limited | Real estate | 1985 |
| LDC Aquarium Limited | Wholesale & retail | 1998 |
| Legion Pubs (Workington) Ltd | Hospitality | 2019 |
| LEO Buildtech Ltd | Construction | 2024 |
| Let-It BEE Homes Limited | Real estate | 2019 |