| South Lakeland Window Cleaning Ltd | Other services | 2014 |
| South Lakes Decorating Ltd | Construction | 2018 |
| South Lakes Giveaways Ltd | Arts & recreation | 2025 |
| Spice of India Windermere Ltd | Hospitality | 2025 |
| Spindrift Development Services Limited | Professional & scientific | 2011 |
| Spinnery Cottages Management Company Limited | Households | 2004 |
| Spydo Games Limited | Manufacturing | 2013 |
| SRM Building Design Ltd | Professional & scientific | 2014 |
| ST Andrews Management Company [Ecclerigg] Limited | Real estate | 2007 |
| ST. Oswald's View Management Company Limited | Households | 1996 |
| Stables & Co Innovation Limited | Professional & scientific | 2018 |
| Star Audio Ltd | Arts & recreation | 2013 |
| Stbernards Property & Hospitality Services Ltd | Real estate | 2015 |
| Steelfell Ltd | Professional & scientific | 2020 |
| Stepping Stones Ambleside Limited | Extraterritorial | 2015 |
| Steve Barr Flooring Solutions Limited | Wholesale & retail | 2009 |
| Steve Brockbank Limited | Construction | 2012 |
| Steven Brood Ltd | Administrative & support | 2022 |
| Stonecross Gardens Management Limited | Households | 1995 |
| Storm Clarke-Webster Limited | Administrative & support | 2008 |
| Strickland Court Management Company Limited | Households | 1994 |
| Studio House Cottages (Management) Co. Limited | Households | 1985 |
| Sugarfinery Limited | Wholesale & retail | 2018 |
| Sugarfinery London Limited | Wholesale & retail | 2022 |
| Summer Hill Property Company Limited | Hospitality | 2020 |
| Sunshine 101 Radio Media Ltd | Information & communication | 2025 |
| Sushi and Bento to Go Limited | Hospitality | 2025 |
| Suzette Freeman Photography Limited | Professional & scientific | 2000 |
| Suzyblyth.Com Ltd | Construction | 2018 |
| Swim Sanctuary Ltd | Arts & recreation | 2026 |
| Sychometry Limited | Administrative & support | 2014 |
| T. S. Trenching Limited | Information & communication | 2016 |
| Tamang Tree Services Limited | Administrative & support | 2013 |
| Tamblyn Estates Ltd | Real estate | 2025 |
| Tandem Property Investments Limited | Real estate | 2024 |
| Tarvin Road (Chester) Limited | Real estate | 2020 |
| TCS Plumbing and Heating (Kendal) Ltd | Construction | 2026 |
| Tea and Toast Events Ltd | Hospitality | 2019 |
| Team SDG Ltd | Professional & scientific | 2025 |
| Tetrad Sisters Limited | Other services | 2022 |
| THE AJ Group Windermere Ltd | Financial services | 2020 |
| THE Archway Guesthouse LLP | | 2016 |
| THE Barbers of Windermere Ltd | Other services | 2017 |
| THE Blind Chocolatier Limited | Manufacturing | 2019 |
| THE Bowness Pudding Company Limited | Manufacturing | 2016 |
| THE Brown Horse Inn Limited | Real estate | 2006 |
| THE Core Collective Cumbria Ltd | Health & social care | 2025 |
| THE Country House Cumbria Ltd | Wholesale & retail | 2015 |
| THE Courtyard Flat Management Company Limited | Households | 2000 |
| THE Crafty BAA Keswick Ltd | Hospitality | 2002 |
| THE Crafty BAA Ltd | Hospitality | 2017 |
| THE Cranleigh Boutique Ltd | Hospitality | 1966 |
| THE Cumbria Forge Group Limited | Wholesale & retail | 2020 |
| THE Filling Station Trust | Other services | 2009 |
| THE GGC Club Ltd. | Other services | 2025 |
| THE Giving Gently Club Ltd | Other services | 2025 |
| THE Glassware Lighting Company Limited | Wholesale & retail | 2018 |
| THE Howbeck Limited | Hospitality | 2017 |
| THE Howgills Management Company Limited | Households | 2002 |
| THE Insurance Underwriting Agencies Limited | Financial services | 2010 |
| THE Lakeland Climbing Foundation | Arts & recreation | 2013 |
| THE Light Direction Limited | Administrative & support | 2014 |
| THE LOG House Restaurant Limited | Real estate | 1998 |
| THE London Climbing Company Limited | Arts & recreation | 2019 |
| THE M Word Marketing Limited | Professional & scientific | 2007 |
| THE Mission Cafe Windermere Limited | Hospitality | 2023 |
| THE Oaks Management Company (Kendal) Limited | Households | 2003 |
| THE Original Barber (Lakes) Limited | Other services | 2017 |
| THE Picnic Cabin Limited | Hospitality | 2006 |
| THE Sondering CIC | Arts & recreation | 2025 |
| THE Washery Ltd | Other services | 2024 |
| THE Windermere Dental Practice 2020 Limited | Health & social care | 2020 |
| THE Write Direction Publishing Ltd | Information & communication | 2018 |
| Thess-Cals Ltd | Administrative & support | 2022 |
| Thornbarrow Close Management Company Limited | Administrative & support | 1998 |
| Thorp Ltd. | Professional & scientific | 2003 |
| Thuline Ltd | Arts & recreation | 2013 |
| Thwaites Close Management Company Limited | Extraterritorial | 2000 |
| Timewarp Entertainment Ltd | Administrative & support | 2019 |
| Titanium 22 Ltd | Administrative & support | 2009 |
| Toast of Windermere Ltd | Hospitality | 2023 |
| Top CUT (Windermere) Ltd | Other services | 2024 |
| Trade Sales North West Limited | Wholesale & retail | 2002 |
| Traditional Sweet Shop Ltd | Wholesale & retail | 2025 |
| Travel Emporium Ltd | Administrative & support | 2020 |
| Trees in Forestry Ltd | Agriculture & fishing | 2025 |
| Ubabond Limited | Hospitality | 1977 |
| Uber Electrical Ltd | Construction | 2017 |
| Ultimate Link Limited | Information & communication | 2003 |
| Ultimate Link Services Limited | Information & communication | 2010 |
| Unique & Exclusive Limited | Administrative & support | 2018 |
| Usefool Entertainment Ltd | Arts & recreation | 2025 |
| Usefulli Limited | Wholesale & retail | 2013 |
| Usher Plumbing & Heating Limited | Construction | 2012 |
| Utopia Windermere Ltd | Hospitality | 2022 |
| Vantage Catamarans (UK) Limited | Professional & scientific | 2013 |
| Vantage Technology Solutions Ltd | Construction | 2026 |
| Verdant Interiors Ltd | Professional & scientific | 2023 |
| Victoria Cross Property Ltd | Households | 2025 |
| Victoria Westlake Ltd | Hospitality | 2024 |