| Wilson & Wilson JM Ltd | Real estate | 2019 |
| Wilson’S Landscaping & Groundworks Ltd | Professional & scientific | 2026 |
| Wind Safety 360 Ltd | Professional & scientific | 2019 |
| Window Cleaning Scotland Ltd | Administrative & support | 2026 |
| Windsor Mack Ltd | Hospitality | 2025 |
| Wingate Construction (Scotland) Limited | Construction | 2025 |
| Wipc Consultancy Limited | Professional & scientific | 2017 |
| Wisepath Retail Ltd. | Other services | 2018 |
| Wishaw Cross Dental Care Limited | Health & social care | 2008 |
| Wizard of the North Ltd | Wholesale & retail | 2021 |
| WJS Projects Ltd | Construction | 2025 |
| Wnch Limited | Health & social care | 2023 |
| Wobblers Ltd | Wholesale & retail | 2018 |
| Wojles Limited | Transport & logistics | 2016 |
| Woods of Paisley Ltd | Extraterritorial | 2025 |
| Woods of Paisley Renewables Limited | Extraterritorial | 2025 |
| Woodside Professional Solutions Ltd | Professional & scientific | 2024 |
| Woodstock Contracts Limited | Construction | 2002 |
| Wraesmill Properties Limited | Real estate | 1990 |
| Wrapping Zone UK Ltd | Wholesale & retail | 2026 |
| Wright & Crawford (1906) Limited | Professional & scientific | 2010 |
| Wright & Crawford (Trusts and Executry Administration) Ltd | Financial services | 2018 |
| Wyllie Financial Services Limited | Extraterritorial | 2017 |
| X Fit Commando Limited | Administrative & support | 2020 |
| X50 MOF Ltd | Information & communication | 2017 |
| Xceed Sgpt Limited | Arts & recreation | 2025 |
| XJG Enterprises Ltd | Wholesale & retail | 2026 |
| Xmplar (Scotland) Ltd | Professional & scientific | 2019 |
| Y Stewart Properties Ltd | Real estate | 2024 |
| Y3T Gym Ltd | Arts & recreation | 2021 |
| YA Artistry Limited | Professional & scientific | 2026 |
| Yaaz Ltd | Wholesale & retail | 2025 |
| Yamijo Ltd | Information & communication | 2022 |
| Yelldy Ltd | Information & communication | 2025 |
| Yertfield Limited | Professional & scientific | 2018 |
| YES Finance U.K. Ltd | Financial services | 2022 |
| Yingguo Yuanyang Properties Ltd | Hospitality | 2025 |
| Yolund Limited | Professional & scientific | 1980 |
| YOU First Advocacy | Health & social care | 2005 |
| Your Abode Properties Ltd | Real estate | 2022 |
| Your Home Improvements Scotland Ltd | Other services | 2025 |
| Your One Stop Property Shop Limited | Real estate | 2024 |
| Youresy Ltd | Wholesale & retail | 2019 |
| Youth Inspired Scotland Ltd | Other services | 2026 |
| Yvana's Educative Ltd | Education | 2024 |
| YWC Ltd | Hospitality | 2018 |
| Zanderleisure Ltd | Hospitality | 2025 |
| Zeco Trading Ltd | Financial services | 2025 |
| Zevgeeks Ltd | Information & communication | 2026 |
| ZG Traders Ltd | Wholesale & retail | 2026 |
| Zilverberg Consulting Limited | Professional & scientific | 2019 |
| Zink Tattoo Ltd | Other services | 2023 |
| Zoom Delivery Services UK Ltd | Wholesale & retail | 2021 |
| Zsak Saltcoats Ltd | Professional & scientific | 2017 |
| ZTM Services Ltd | Other services | 2017 |
| Zuri Vibes CIC | Arts & recreation | 2025 |
| Úmbere Holdings Ltd | Professional & scientific | 2026 |