| THE Seven Store Ltd | Wholesale & retail | 2025 |
| THE Talent Therapist Company Limited | Health & social care | 2025 |
| THE Tasty HOG Company Ltd | Hospitality | 2023 |
| THE Touchless Disinfection Company Ltd | Administrative & support | 2016 |
| THE Training Consultancy Ltd. | Education | 1999 |
| THE WEE Boutique Ltd | Wholesale & retail | 2024 |
| THE WEE Holding Group Ltd | Financial services | 2024 |
| Thebigtree Ltd | Wholesale & retail | 2025 |
| Thegolfshop.Com Limited | Wholesale & retail | 2024 |
| Therapethical Community Interest Company | Health & social care | 2020 |
| Therell Property Services Limited | Real estate | 2019 |
| Thermal Care Renewables Ltd | Extraterritorial | 2025 |
| Thermal Care Scotland Ltd | Administrative & support | 2014 |
| Thermoflo Ltd | Construction | 2018 |
| Thistle BE Lovely Ltd | Hospitality | 2019 |
| Thistle Machinery Services Ltd | Manufacturing | 2019 |
| Thomas John Knight Riggers Limited Ltd | Construction | 2025 |
| Thomson Drywall Services Limited | Construction | 2021 |
| Thorntree Tax Consulting Limited | Professional & scientific | 2024 |
| Threefold Solutions Ltd | Hospitality | 2025 |
| Tilly's Properties Ltd | Real estate | 2023 |
| Time Shark Limited | Wholesale & retail | 2022 |
| Timeshare Options Limited | Administrative & support | 2009 |
| Tjam Property Management Ltd | Real estate | 2023 |
| TL Financial Solutions Limited | Financial services | 2016 |
| TL Roofing Ltd | Construction | 2019 |
| TMF Vision Limited | Information & communication | 2025 |
| TN Home Improvements Ltd | Construction | 2023 |
| Todd Joinery and Building Ltd | Construction | 2023 |
| Tomato Marketing Ltd | Professional & scientific | 2024 |
| Tony Lawson Consulting Ltd | Professional & scientific | 2022 |
| Top Joinery by KES Limited | Construction | 2026 |
| Top Tubz Ltd | Administrative & support | 2017 |
| Topshine Mobile Valeting Ltd | Wholesale & retail | 2024 |
| Toptech (Scotland) Limited | Manufacturing | 1996 |
| Torphichen Shop Limited | Wholesale & retail | 2000 |
| Torwood Joinery & Building Ltd | Construction | 2021 |
| Total Recycling (Scotland) Limited | Water & waste | 2003 |
| Tough at the Top Fitness Ltd | Arts & recreation | 2018 |
| Tracesense Limited | Wholesale & retail | 2019 |
| Track Software Solutions Ltd | Information & communication | 2026 |
| Trading Corner Scot Limited | Wholesale & retail | 2025 |
| Trans OZ Ltd | Transport & logistics | 2018 |
| Transpol Ltd | Transport & logistics | 2020 |
| Transpol Storage Ltd | Transport & logistics | 2022 |
| Trash Panda Properties Ltd | Real estate | 2024 |
| Trash Panda Touring Ltd | Administrative & support | 2025 |
| Treanor Properties Ltd | Real estate | 2026 |
| Treasure Property Management Ltd | Real estate | 2019 |
| Treasured Renovations and Lets Ltd | Real estate | 2023 |
| Trece Services Ltd | Construction | 2024 |
| Tree & Ground Maintenance Ltd | Administrative & support | 2021 |
| Triangle Strength Fitness and Conditioning Limited | Arts & recreation | 2017 |
| Trichem Scotland Limited | Manufacturing | 1996 |
| Triple a Valeting Ltd | Administrative & support | 2023 |
| Triquetra - Health in Industry Ltd | Extraterritorial | 2020 |
| Trojan Sports Ltd | Arts & recreation | 2025 |
| Trust Designs Ltd | Other services | 2019 |
| TTC Medical GTS Limited | Wholesale & retail | 2017 |
| TTC Medical Limited | Wholesale & retail | 2010 |
| Tula's Tangles Limited | Administrative & support | 2016 |
| Turfworks Design Ltd | Administrative & support | 2024 |
| Turkish Hairstyle Ltd | Other services | 2017 |
| Turnbull Investment Properties Limited | Real estate | 2023 |
| Turtle Pack Swim Academy Limited | Arts & recreation | 2018 |
| Uconnected Ltd | Information & communication | 2026 |
| UK Road Solutions Ltd. | Transport & logistics | 2018 |
| Ultimate Removals Ltd | Transport & logistics | 2019 |
| Unahi Limited | Professional & scientific | 2020 |
| Unicorn Markets C.I.C. | Real estate | 2023 |
| Uniform Scotland Ltd | Manufacturing | 2024 |
| United Bakeries (Bathgate) Limited | Manufacturing | 1995 |
| United Bakeries (Holdings) Limited | Professional & scientific | 2005 |
| United Bakeries Limited | Manufacturing | 2000 |
| United Central Bakeries Limited | Manufacturing | 1989 |
| Universal Appeal Limited | Administrative & support | 2014 |
| Universal Therapies Ltd | Other services | 2022 |
| UP Technology Ltd | Information & communication | 2019 |
| UR Desserts Ltd | Wholesale & retail | 2025 |
| Utilitest Ltd | Construction | 2020 |
| V-Tech Cooling Services Ltd | Professional & scientific | 2026 |
| Vahanomy Ltd | Transport & logistics | 2019 |
| Valentine Property Ltd | Real estate | 2019 |
| Valentini & Cruickshank Limited | Hospitality | 2017 |
| Valet Master (Scotland) Limited | Other services | 2009 |
| Valhalla CNC Ltd | Manufacturing | 2020 |
| Valpos Courier Ltd | Transport & logistics | 2025 |
| Vanas Van Limited | Hospitality | 2025 |
| Vauk Investments Ltd | Real estate | 2026 |
| Veravi Int'L Ltd | Wholesale & retail | 2018 |
| Vezi Knights Ltd | Health & social care | 2014 |
| Vicada Roughcasting Services Ltd Ltd | Construction | 2023 |
| Victorias Entertainment Ltd | Extraterritorial | 2011 |
| Victory Sports Therapy Limited | Health & social care | 2026 |
| Vietnail SC Limited | Other services | 2023 |
| Vipspot Limited | Hospitality | 2023 |
| Virtualsme Limited | Information & communication | 2009 |
| Vista Landscaping Ltd | Administrative & support | 2021 |
| Vitahealix Ltd | Manufacturing | 2023 |
| Volta Automotive Limited | Manufacturing | 2025 |