| CTS Statutory Inspections Limited | Administrative & support | 2012 |
| Cubby Developments Limited | Real estate | 2003 |
| Cumberland Canine Services Ltd | Other services | 2026 |
| Cumbria Bricklayers Ltd | Construction | 2009 |
| Cumbria Education Trust | Education | 2011 |
| Cumbria Hair Clinic Limited | Wholesale & retail | 2020 |
| Cumbria Marquees Limited | Administrative & support | 2014 |
| Cumbrian Comfortable Homes Ltd | Real estate | 2012 |
| Cumbrian Marketing Limited | Wholesale & retail | 1991 |
| Cumbrian Salami Company Limited | Manufacturing | 2022 |
| Cumcatch Courtyard Limited | Households | 2010 |
| Cumrew Management Company Limited | Households | 2006 |
| Cumwhitton Parish Community Partnership | Other services | 2004 |
| Cvtrotter Ltd | Professional & scientific | 2026 |
| CW Agritech Ltd | Wholesale & retail | 2021 |
| CWH Accounting Limited | Professional & scientific | 2020 |
| D & a Sisters Ltd | Hospitality | 2024 |
| D & Kwexa Barber Shop Ltd | Other services | 2024 |
| Dale Armstrong Limited | Agriculture & fishing | 2015 |
| David Hall Seeds Limited | Wholesale & retail | 2026 |
| David Mackay Limited | Health & social care | 2009 |
| Dddsims Ltd | Hospitality | 2025 |
| Denmark Street Productions Ltd | Arts & recreation | 2025 |
| Digicalm Ltd | Professional & scientific | 2006 |
| Dolphin Court (Bracknell) Management Co. Limited | Households | 1984 |
| DR V for Vision Limited | Health & social care | 2021 |
| Drain Specialists Mennie Services Ltd | Water & waste | 2014 |
| Drive Revive (Cumbria) Limited | Construction | 2007 |
| Easy Fuels NE Ltd | Wholesale & retail | 2017 |
| Echo Events Lanercost CIC | Administrative & support | 2024 |
| Ecliptic Financial Services Limited | Professional & scientific | 2025 |
| Eco Green Energy Centre Limited | Administrative & support | 2010 |
| Eden Podiatry Clinic Ltd | Health & social care | 2022 |
| Eden Shooting Supplies Ltd | Wholesale & retail | 2023 |
| Edwards Court (Slough) Freehold Limited | Households | 2003 |
| Edwards Court (Slough) Limited | Households | 1972 |
| Elbury Management Company Limited(The) | Households | 1983 |
| Emerson & Co Tax Advisers Limited | Professional & scientific | 2006 |
| En-Tegra Systems Limited | Construction | 2006 |
| Enabled Life Ltd | Health & social care | 2013 |
| Ergoway Limited | Health & social care | 2014 |
| Eton Walk Residents Association Limited | Households | 1998 |
| Etre Management Company Limited | Households | 2003 |
| Eunique Logistics Contracts Limited | Transport & logistics | 2006 |
| Farhang Barber Ltd | Other services | 2026 |
| Farlam Airframes Ltd | Manufacturing | 2007 |
| Farlam Hall Limited | Hospitality | 1975 |
| Fearnfield Equestrian Ltd | Agriculture & fishing | 2021 |
| FEET4FOOTBALL Ltd | Arts & recreation | 2020 |
| Fell View Garage Limited | Wholesale & retail | 2025 |
| Fenton Lane Head | Agriculture & fishing | 2009 |
| Fircroft Court Residents Association Limited | Households | 1981 |
| Flash Blinds Ltd | Wholesale & retail | 2024 |
| Formica Anglica Ltd | Information & communication | 2019 |
| Fourth Rochford (Slough) Management Company Limited | Households | 1981 |
| Front Street Property Company Limited | Real estate | 2018 |
| G N Emerson Ltd | Professional & scientific | 2003 |
| G&C Harris Ltd | Transport & logistics | 2014 |
| Gallery North West LLP | | 2023 |
| Garner Psychological Therapy, Supervision & Consultancy Ltd | Health & social care | 2023 |
| Garth House Cottage and Studio Ltd | Real estate | 2023 |
| Gefinda Enterprises Limited | Real estate | 2011 |
| Gelt Gifts Limited | Administrative & support | 2002 |
| Geltsdale Windows Ltd | Construction | 2011 |
| Geoff Beattie Limited | Construction | 2002 |
| George James Ltd. | Professional & scientific | 1999 |
| Geraldine Simpson Ltd | Professional & scientific | 2021 |
| GH21 Ltd | Other services | 2021 |
| Golightly Ltd | Information & communication | 2008 |
| Goodfellow Risk Management Ltd | Professional & scientific | 2017 |
| Gordon Graham (Road-Markings) Ltd. | Construction | 1988 |
| Gracefully Ltd | Hospitality | 2026 |
| Great Trails Limited | Information & communication | 2020 |
| Grebtek Limited | Information & communication | 2010 |
| Green Croft Arts Ltd | Arts & recreation | 2018 |
| Green Croft on the Wall Ltd | Hospitality | 2018 |
| Greenhead Northstar Ltd | Hospitality | 2026 |
| Greenhead Storage Limited | Real estate | 2021 |
| Greenhollowcattle Ltd | Agriculture & fishing | 2023 |
| Greensburn Farming Company Limited | Administrative & support | 2009 |
| Greenwood Data Intelligence Limited | Information & communication | 2025 |
| Groundfront Residents Management Limited | Households | 1988 |
| Hadrian's Wall Glamping Ltd | Hospitality | 2019 |
| Hadrians Wall Hidden Huts Ltd | Hospitality | 2020 |
| Half Moon Wholefoods Ltd | Wholesale & retail | 2026 |
| Hallbankgate Farms | Agriculture & fishing | 2019 |
| Hamp Holdings Ltd | Real estate | 2016 |
| Harefoot Needles & Beans Limited | Other services | 2020 |
| Harrison Court (RYE Hill) RTM Company Ltd | Households | 2023 |
| Haskins Associates Ltd | Construction | 2009 |
| Hodgson & Hodgson Solutions Limited | Professional & scientific | 2016 |
| Hogg & Co Consulting Limited | Information & communication | 2018 |
| Hope Business Investments Ltd | Hospitality | 2026 |
| Howard Estate Management Limited | Real estate | 1995 |
| HUG Sprug Ltd | Professional & scientific | 2024 |
| IAN Blair Undertakers | Other services | 2024 |
| Informed Solutions (North) LLP | | 2009 |
| Inspire Fitness and Nutrition Limited | Arts & recreation | 2020 |
| Integral Watches Limited | Wholesale & retail | 2021 |
| Interaction Technologies Limited | Information & communication | 1997 |