| Titan Products & Courses Ltd | Information & communication | 2022 |
| Titan Tattoos and Piercings Ltd | Arts & recreation | 2020 |
| Titan Taxis Limited | Transport & logistics | 2011 |
| Top Fade Barber Glasgow Ltd | Other services | 2024 |
| Top of the Hill Butchers Clydebank Ltd | Wholesale & retail | 2025 |
| Top of the Hill Butchers Dalmuir Ltd | Wholesale & retail | 2025 |
| Top of the Hill Butchers Ltd | Wholesale & retail | 2008 |
| Total Recruitment (Scotland) Limited | Administrative & support | 1997 |
| Total Recruitment Resourcing Limited | Administrative & support | 2007 |
| Totalbuild Pro Limited | Construction | 2025 |
| Touch Bene Limited | Administrative & support | 2021 |
| Tradesmen Technologies Limited | Information & communication | 2020 |
| Tradesmen Telecommunications Ltd | Information & communication | 2019 |
| TRG Capital Ltd | Real estate | 2025 |
| Tricure UK Limited | Other services | 2022 |
| Tritec Marine Ltd | Professional & scientific | 1980 |
| Truecraft Building Ltd | Construction | 2026 |
| Truenorth Sports Group Limited | Professional & scientific | 2026 |
| TS Mcallen Limited | Construction | 2022 |
| TSB Recruitment Ltd | Administrative & support | 2018 |
| TW Consultancy Scotland Limited | Professional & scientific | 2024 |
| TWENTY8 Accountancy Limited | Professional & scientific | 2025 |
| Tyblock Ltd. | Water & waste | 2011 |
| U-Roast Limited | Wholesale & retail | 2017 |
| UF01 Ltd | Hospitality | 2023 |
| UIG Technical Services Limited | Professional & scientific | 1993 |
| Ultraclean Valet Centre Limited | Other services | 2016 |
| Unique Medical Aesthetics Ltd | Health & social care | 2024 |
| Unity Telecom Division Ltd | Construction | 2022 |
| UP Helly AA Ltd | Information & communication | 2012 |
| Urban Realm Limited | Information & communication | 2011 |
| Urwindowcleaner Limited | Administrative & support | 2026 |
| USA Nails Boutique Ltd | Other services | 2023 |
| Valet Car Cleaning Limited | Administrative & support | 2020 |
| VAM Communications Limited | Financial services | 2023 |
| Vanguard Dental Holdings Ltd | Health & social care | 2022 |
| VFK Services Limited | Professional & scientific | 2022 |
| VHC Design Ltd | Professional & scientific | 2025 |
| Villa Bakery Ltd | Manufacturing | 2023 |
| Village Park Meats Ltd | Manufacturing | 2013 |
| Vino’S Pizzeria Limited | Hospitality | 2018 |
| Vip-System Limited | Manufacturing | 1991 |
| Virgovision Limited | Information & communication | 2021 |
| Vitalise Retail Limited | Wholesale & retail | 2025 |
| W Mclafferty | | 1999 |
| Wageworks PRS Limited | Administrative & support | 2026 |
| Walker Training and Inspection Services Ltd | Professional & scientific | 2016 |
| Wardpark Industries Limited | Manufacturing | 1994 |
| Warm Home Solutions Properties Limited | Administrative & support | 2024 |
| Warm Home Solutions Scotland Limited | Construction | 2022 |
| Wash Wizards Limited | Other services | 2019 |
| Washed UP Ltd | Other services | 2017 |
| WATCHCLUB24 Ltd | Wholesale & retail | 2023 |
| Watchmeal 54 Limited | Extraterritorial | 2013 |
| Waterside 35 Limited | Construction | 2024 |
| Waterwise Utilities Ltd | Construction | 2005 |
| Waypoint Academy Ltd | Other services | 2025 |
| WE Re-Think Logistics Ltd | Transport & logistics | 2021 |
| WEE Doll Aesthetics Limited | Health & social care | 2024 |
| WEE Ratbag Ltd | Arts & recreation | 2007 |
| Wellmade Gardens Ltd | Administrative & support | 2025 |
| Wendo Services Limited | Health & social care | 2024 |
| Wessling Ltd | Construction | 2019 |
| West Coast Holdings Ltd | Hospitality | 2025 |
| West Dunbartonshire Council for Voluntary Services | Other services | 2001 |
| West Dunbartonshire Minority Ethnic Association | Health & social care | 2015 |
| West END Smoking Accessories Limited | Wholesale & retail | 2016 |
| West END Storage & Distribution Limited | Transport & logistics | 2017 |
| West of Scotland Fabrication Ltd | Manufacturing | 2013 |
| West Park Hotel PVT Ltd | Hospitality | 2025 |
| Westcoastvehicleservice Limited | Wholesale & retail | 2022 |
| Westend Hydroponics Limited | Wholesale & retail | 2018 |
| Western Property Group Limited | Real estate | 2017 |
| Western Works Ltd | Construction | 2025 |
| Whole Life Organics Ltd | Wholesale & retail | 2022 |
| William Keenan Joinery & Building Services Limited | Construction | 2026 |
| Williams Window Fabrication Limited | Manufacturing | 1996 |
| Windcat Workboats (Scotland) Limited | Transport & logistics | 2013 |
| Winters Safety Services Ltd | Professional & scientific | 2015 |
| Wordsmith & Wordminster Ltd | Information & communication | 2026 |
| Worktop Solutions Ltd | Manufacturing | 2014 |
| Wright Compressor Services Limited | Professional & scientific | 2024 |
| Wylie Property Ltd | Real estate | 2026 |
| XCI Ltd | Professional & scientific | 2025 |
| Xoxo Hair & Makeup Ltd | Other services | 2019 |
| Y Sort-It | Information & communication | 2007 |
| Yans Garden Ltd | Hospitality | 2026 |
| YB Windows and Doors Ltd | Construction | 2025 |
| Yemmyjoe Cleaning Company Ltd | Administrative & support | 2026 |
| YK Contractors and Maintenance Ltd | Construction | 2019 |
| Your Financial Solutions (Scotland) LLP | | 2017 |
| Your History GUY Ltd | Information & communication | 2025 |
| Your View Windows Limited | Construction | 2024 |
| Zainab Saeed Mart Limited | Wholesale & retail | 2025 |
| Zeika Limited | Hospitality | 2025 |
| Zepneon Limited | Wholesale & retail | 2022 |
| Zero 35 Limited | Information & communication | 2017 |
| Zircon Contracting Limited | Construction | 2015 |
| Ziza P Ltd | Real estate | 2013 |
| Zoom Ardalziel Land Ltd | Real estate | 2016 |