| Tobaz Limited | Hospitality | 2024 |
| Tobest Health Care Services Ltd | Health & social care | 2013 |
| Toby Mowat Construction Ltd | Construction | 2025 |
| TOM Elliot Electrical Solutions Ltd | Construction | 2017 |
| Tomerlow Limited | Extraterritorial | 2012 |
| Tony Hand Car Wash Ltd | Other services | 2017 |
| Tony Howarth Consultants Ltd | Administrative & support | 2013 |
| Tony Walmsley Ltd | Transport & logistics | 2025 |
| Top CUT Barber Barrow Ltd | Other services | 2024 |
| Top Deals Depot Ltd | Wholesale & retail | 2020 |
| Top Level Domains Ltd | Professional & scientific | 2019 |
| Top Rank Digital Ltd | Professional & scientific | 2024 |
| Top Shine Car Wash & Valeting Ltd | Other services | 2019 |
| Top Shine South Lakes Ltd | Administrative & support | 2016 |
| Total Conservation Management Limited | Water & waste | 2015 |
| TP Marketing Solutions Limited | Other services | 2023 |
| TP Sight Solutions Ltd | Professional & scientific | 2026 |
| TQ Marine Consultancy Limited | Administrative & support | 2015 |
| TQ Tours Ltd | Arts & recreation | 2024 |
| Trail and Mountain Limited | Administrative & support | 2019 |
| Transform Physiques Education Limited | Education | 2021 |
| Transform Physiques Gym Ltd | Arts & recreation | 2021 |
| Transform Physiques Ltd | Other services | 2019 |
| Transformation Unit (NW) Limited | Arts & recreation | 2021 |
| Transgressing Film Ltd | Information & communication | 2021 |
| Transpares Motor Parts Limited | Wholesale & retail | 2015 |
| TRG Lettings Limited | Real estate | 2026 |
| Tri-Island Running Limited | Arts & recreation | 2017 |
| Trident Hotels (South Lakes) 1 Ltd | Hospitality | 2016 |
| Trimline Systems Ltd | Manufacturing | 2007 |
| Trisha’S Tresures Limited | Wholesale & retail | 2025 |
| Truvalue Management Ltd | Professional & scientific | 2018 |
| Truvalue Renovation Ltd | Construction | 2019 |
| TSG Cumbria Ltd | Wholesale & retail | 2014 |
| Tuan MAN Ltd | Hospitality | 2022 |
| Tubalcain Ltd | Construction | 2023 |
| TUI Properties Ltd | Real estate | 2026 |
| Turnkey Fitouts Ltd | Construction | 2018 |
| Turnstone HR Limited | Administrative & support | 2014 |
| Tweedale Design Limited | Professional & scientific | 2019 |
| TWENTY2 Recs Ltd | Education | 2025 |
| Tynepeak Capital Ltd | Real estate | 2025 |
| U.K. Trends Limited | Wholesale & retail | 2004 |
| UK Onex Ltd | Wholesale & retail | 2024 |
| Uk-Corp Limited | Administrative & support | 2012 |
| Ukfex International Limited | Information & communication | 2024 |
| Ultimate Auto Locksmith Ltd | Wholesale & retail | 2019 |
| Ummahspace Ltd | Information & communication | 2026 |
| Underwater Diving Services Limited | Administrative & support | 1990 |
| Unicore Trading Limited | Other services | 2017 |
| Universal Roofing Services Limited | Construction | 1993 |
| Upcycled Recycled Ltd | Wholesale & retail | 2023 |
| Utiliko Limited | Administrative & support | 2017 |
| V. Mera Ltd | Health & social care | 2013 |
| V.I.Pets Cumbria Limited | Transport & logistics | 2019 |
| Validus Property Enterprises Limited | Real estate | 2024 |
| Valmax Consulting Partners Ltd | Information & communication | 2012 |
| Vanguard Fire & Health Ltd | Education | 2024 |
| Vantage Transition Ltd | Wholesale & retail | 2019 |
| Velkov Architects Ltd | Professional & scientific | 2023 |
| Venezia Sutton Ltd | Hospitality | 2020 |
| Ventos Bulla Ltd | Education | 2024 |
| Veritas Marketing Ltd | Information & communication | 2023 |
| Vexstar Trading Limited | Manufacturing | 2012 |
| Viasem Group Limited | Professional & scientific | 2026 |
| Vibrant Estates Limited | Real estate | 2018 |
| Vickerstown Media Ltd | Information & communication | 2025 |
| Viewbook Ltd | Information & communication | 2026 |
| Viking Forestry Limited | Agriculture & fishing | 2019 |
| Viking Spice Limited | Hospitality | 2021 |
| Vint Commercial Management Limited | Professional & scientific | 2025 |
| Visage Dental Academy Ltd | Health & social care | 2023 |
| Visage Dental Recruitment Limited | Administrative & support | 2023 |
| Vvin Ltd | Wholesale & retail | 2021 |
| Vviya Ltd | Wholesale & retail | 2023 |
| VZN Events Limited | Professional & scientific | 2024 |
| Walney Northwest Ltd | Extraterritorial | 2018 |
| Walney Road Leisure Limited | Professional & scientific | 2015 |
| Wang EN JI Ltd | Hospitality | 2021 |
| Wang Tatt Ltd | Hospitality | 2022 |
| Warm and DRY Plumbing and Heating Services Limited | Construction | 2021 |
| Wartbarrow Holding Limited | Real estate | 2018 |
| WE DO Scratch Cards Limited | Other services | 2018 |
| WECARE.2 Holding Ltd | Financial services | 2025 |
| WECARE2 Group Ltd | Health & social care | 2023 |
| WECARE2 Home Services Ltd | Health & social care | 2026 |
| Well-Being CBD Ltd | Wholesale & retail | 2025 |
| Wellness at Green Acres Community Interest Company | Other services | 2020 |
| WES Investments Limited | Financial services | 2022 |
| West Point Walney Ltd | Hospitality | 2021 |
| Westmorland and Furness Roofing Limited | Construction | 2024 |
| Westy Construction Services Ltd | Construction | 2026 |
| Wetworx Marine Services Ltd | Mining & quarrying | 2022 |
| White Lion Barrow Ltd | Hospitality | 2025 |
| Whiteoak Capital Holdings Ltd | Financial services | 2025 |
| Whitewash.Premium Ltd. | Administrative & support | 2026 |
| Wicks Group Limited | Transport & logistics | 2006 |
| Wicks Solutions Limited | Administrative & support | 2025 |
| Willow Aesthetics Cumbria Limited | Other services | 2022 |
| Wilton Paving and Firewood Limited | Manufacturing | 2018 |