| Wishaw Printing Company Limited | Manufacturing | 1979 |
| Witchworld Limited | Information & communication | 2018 |
| WLM Services Scotland Ltd | Construction | 2025 |
| WMG Properties Ltd | Real estate | 2023 |
| Wolfcraig Capital Ltd | Other services | 2021 |
| Wolfcraig Ltd | Professional & scientific | 2014 |
| Wolford Assets LP | | 2017 |
| Wood Global Ltd | Administrative & support | 2019 |
| Woodland Experiences Limited | Agriculture & fishing | 1998 |
| Woodlane Limited | Wholesale & retail | 2002 |
| Woodster Stirling Limited | Extraterritorial | 2017 |
| Woodwinters Agencies Limited | Wholesale & retail | 2017 |
| Woodwinters Wines & Whiskies Limited | Hospitality | 2004 |
| Word of Mouth Teaching Ltd | Education | 2023 |
| Wordfibre Limited | Professional & scientific | 2016 |
| Words for Brands Ltd. | Professional & scientific | 2020 |
| World Business Supplies LP | | 2010 |
| Worldmail Limited | Transport & logistics | 2003 |
| WOW (Scotland) Limited | Manufacturing | 2004 |
| Wright Planning and Development Limited | Other services | 2020 |
| WRJ Joiners and Contractors Ltd | Construction | 2025 |
| Xlnt World Ltd | Information & communication | 2023 |
| XPS Sipp Services Limited | Financial services | 1979 |
| Yamaha Music Point Stirling Limited | Education | 2011 |
| YMN Consulting Ltd | Financial services | 2017 |
| YND Global Ltd | Health & social care | 2023 |
| Yoga and Thyme CIC | Health & social care | 2022 |
| Yonderway Limited | Administrative & support | 2025 |
| YOU ME & Debt Ltd | Administrative & support | 2025 |
| You'Re Covered Tonight Ltd | Wholesale & retail | 2023 |
| Your Outsourced Resource Limited | Administrative & support | 2019 |
| Your Property Matters (Scotland) Ltd | Real estate | 2023 |
| Yummyoon Ltd | Manufacturing | 2025 |
| Z Move Ltd | Professional & scientific | 2025 |
| ZAK Bros Limited | Households | 2020 |
| Zaza Private Ltd | Wholesale & retail | 2023 |
| Zebrafit Ltd | Other services | 2025 |
| ZEN Merchants Alliance LP | | 2016 |
| Zenton Systems LP | | 2016 |
| Zero Waste Scotland Limited | Professional & scientific | 2012 |
| Zest Architecture + Design Ltd | Professional & scientific | 2020 |
| Zimmerz Management LP | | 2016 |
| ZRA Pharma Ltd | Professional & scientific | 2020 |
| ZZZ Trading Ltd | Hospitality | 2014 |