| THE Lane Hair & Beauty Limited | Other services | 2016 |
| THE Little Bakery (Endmoor) Limited | Wholesale & retail | 2012 |
| THE Little Kemp Holding Company Ltd | Financial services | 2022 |
| THE Little Lakeland Soap Company Limited | Wholesale & retail | 2018 |
| THE Lodge Partnership Ltd | Hospitality | 2025 |
| THE LOW Meadow Old Hutton Management Company Limited | Professional & scientific | 2000 |
| THE Lyth Valley Damson Company Ltd | Manufacturing | 2025 |
| THE Lyth Vallley Country Inn Limited | Hospitality | 2019 |
| THE Majik House Co. Limited | Wholesale & retail | 1998 |
| THE Meadows (Milnthorpe) Residential Management Company Limited | Households | 2025 |
| THE National Access and Rescue Centre (UK) Limited | Professional & scientific | 2000 |
| THE Nature of Porcelain Ltd | Manufacturing | 2020 |
| THE Northern League Limited | Arts & recreation | 2026 |
| THE Oaklea Trust | Education | 2002 |
| THE Old Bakery Kendal Ltd | Households | 2023 |
| THE Old Snuff Works Ltd | Extraterritorial | 2019 |
| THE Outdoor Adventure Company (Kendal) Limited | Education | 2015 |
| THE Paper Mill Shop Company Limited | Extraterritorial | 2000 |
| THE Paperbox Limited | Manufacturing | 2009 |
| THE Physiotherapy and Wellness Clinic Ltd | Health & social care | 2024 |
| THE Plain Creative Agency Limited | Information & communication | 2009 |
| THE Plastic Bottles Company Limited | Extraterritorial | 2018 |
| THE Power of US Academy C.I.C. | Education | 2024 |
| THE Procurement Practice Limited | Professional & scientific | 2005 |
| THE Schelly Limited | Hospitality | 2023 |
| THE Seacroft Caravan Company Limited | Hospitality | 1987 |
| THE Sign MAN Ltd | Wholesale & retail | 2006 |
| THE Snuff Bar Ltd | Hospitality | 2026 |
| THE Social Wellness Group Ltd | Arts & recreation | 2023 |
| THE Spit N Crackle Ltd | Hospitality | 2021 |
| THE Staveley Wood Turning Company Limited | Other services | 2001 |
| THE Two Sisters at Plumgarths Limited | Hospitality | 2012 |
| THE Ulverston Meat Company Ltd | Manufacturing | 2015 |
| THE Union Tavern Limited | Hospitality | 2026 |
| THE Whispering Witches Ltd | Wholesale & retail | 2025 |
| THE Wright Schools Ltd | Other services | 2019 |
| Theo`S Taxis (Kendal) Limited | Transport & logistics | 2009 |
| Thistlethwaite Limited | Real estate | 2016 |
| Thompson Hammond Construction Ltd | Construction | 2021 |
| Thomson Hayton Winkley Estate Agents Ltd | Households | 2021 |
| Thomson Hayton Winkley Financial Services Limited | Financial services | 2010 |
| Thomson Hayton Winkley Limited | Professional & scientific | 2009 |
| Thoren Limited | Real estate | 2005 |
| Three Peaks HR Limited | Administrative & support | 2026 |
| Threlkeld Quarry Road Management Ltd | Households | 2014 |
| Thrive Community Health CIC | Education | 2026 |
| THW Estate Agents Limited | Households | 2016 |
| Tile and Build Limited | Construction | 2013 |
| Timec 1758 Limited | Extraterritorial | 2021 |
| Timeless Beauty and Aesthetics Ltd | Other services | 2018 |
| TIS UK Limited Limited | Professional & scientific | 2010 |
| Titus Wilson Ltd | Manufacturing | 2019 |
| TJ Health Ltd | Health & social care | 2019 |
| TKD Leisure Limited | Hospitality | 2019 |
| TM Adventure Holidays Ltd | Administrative & support | 2026 |
| Toal Photography Services Ltd | Professional & scientific | 2023 |
| Todds in Kendal Limited | Extraterritorial | 2013 |
| Todds of Kendal Limited | Wholesale & retail | 2013 |
| Tognarelli Holdings Ltd | Financial services | 2025 |
| TOM Lawson Services Ltd | Construction | 2023 |
| Tomlinson Wightman Ltd | Construction | 2011 |
| Tourism for ALL Services Limited | Health & social care | 1990 |
| Tourism for ALL UK | Health & social care | 1979 |
| Towers Darby Services Limited | Professional & scientific | 2020 |
| Trade Door Handles Carlisle Ltd | Extraterritorial | 2025 |
| Trade Door Handles Ltd | Extraterritorial | 2018 |
| Traditional Stonework Limited | Construction | 2003 |
| Trafalgar Public Relations Limited | Professional & scientific | 2010 |
| Trail and Fell Mountain Guides Ltd | Education | 2020 |
| Tranceformed Development Limited | Wholesale & retail | 2006 |
| Transfigure Fitness Ltd | Arts & recreation | 2015 |
| Travel & Adventures Limited | Administrative & support | 2026 |
| Travel Booker Limited | Administrative & support | 2009 |
| Tree Matters Limited | Other services | 2008 |
| Tree Skills Ltd | Agriculture & fishing | 2013 |
| Treescapes Consultancy Limited | Agriculture & fishing | 2005 |
| Trelaw Estates Ltd | Real estate | 2005 |
| Trevor Gaskell & SON Limited | Wholesale & retail | 2003 |
| Trilby Publishing Company Ltd | Information & communication | 2022 |
| Triple D Motosport Limited | Wholesale & retail | 2007 |
| Troughton Holdings Limited | Construction | 2017 |
| Truenorth Care Services Ltd | Health & social care | 2026 |
| Trybooking UK Limited | Administrative & support | 2013 |
| Turas Retail Limited | Wholesale & retail | 2018 |
| Turas Technologies Limited | Professional & scientific | 2018 |
| Turner Scott Limited | Real estate | 1999 |
| Turnwheel Limited | Administrative & support | 2023 |
| Twinter Holme Ltd | Administrative & support | 2019 |
| Tyre Sales NW Ltd | Wholesale & retail | 2020 |
| UGL Ltd | Agriculture & fishing | 2007 |
| Ullswater Navigation and Transit Company Limited(The) | Extraterritorial | 1904 |
| Ullswater Road Garage (Kendal) Limited | Extraterritorial | 1992 |
| Underhelm Fields Management Limited | Households | 1984 |
| Undiscovered Urban Ltd | Real estate | 2026 |
| Unifyr Technology Limited | Information & communication | 2021 |
| Universal Mediation Services Ltd | Professional & scientific | 2018 |
| UNO Vision Ltd | Construction | 2001 |
| Unravel Your Food CIC | Information & communication | 2025 |
| Untapp Learning Ltd | Professional & scientific | 2020 |
| Upscale OPS Ltd | Information & communication | 2026 |