| WL Enterprises (Scotland) Limited | Other services | 2023 |
| WMH Developments (Scotland) Ltd | Construction | 2025 |
| WMH Developments Ltd | Manufacturing | 2015 |
| WMR Property Investment Limited | Real estate | 2025 |
| Women and Children Health Matters Limited | Health & social care | 2015 |
| Wood (Electrical Contractors) Ltd | Construction | 2018 |
| Wood Construction Management Ltd | Administrative & support | 2017 |
| Wood Group Property Development Ltd | Construction | 2021 |
| Woodheads Energy Limited | Energy | 2024 |
| Woodlands Community Sports Limited | Arts & recreation | 2018 |
| Woodlands Local Retail Ltd | Wholesale & retail | 2025 |
| WOZ Contracts Ltd | Construction | 2025 |
| Wrest Live Ltd | Arts & recreation | 2025 |
| Wrest Music Ltd | Arts & recreation | 2025 |
| WRM Engineering Ltd | Professional & scientific | 2021 |
| WT DO EAT Limited | Hospitality | 2024 |
| WUL Enterprises Ltd | Real estate | 2011 |
| Www.Pinklimoco.Com Limited | Transport & logistics | 2005 |
| X13 Group Limited | Other services | 2022 |
| Xedaservices Ltd | Administrative & support | 2024 |
| Xpress Painting Ltd | Construction | 2019 |
| Xtreme Flooring Limited | Other services | 2016 |
| Y.E.S. Hire EOT Trustees Limited | Financial services | 2022 |
| Yellow Mellow Ltd | Real estate | 2023 |
| Yesterday Never Happened (UK) Limited | Education | 2015 |
| YK99 Ltd | Transport & logistics | 2025 |
| Your Electrical Installs Limited | Construction | 2026 |
| Your Equipment Properties Ltd | Financial services | 2017 |
| Your Equipment Solutions Ltd | Manufacturing | 2011 |
| Your GAS and Energy Limited | Construction | 2026 |
| Your Home Repair Ltd | Construction | 2023 |
| Your TEX UK Ltd | Manufacturing | 2017 |
| Yousafzain Limited | Wholesale & retail | 2022 |
| Youwe Trends Ltd | Wholesale & retail | 2024 |
| Ysss Food Ltd | Manufacturing | 2025 |
| Yuet Shun Ltd | Hospitality | 2025 |
| Yuill Advisory Ltd | Professional & scientific | 2025 |
| Z & F Traders Ltd | Transport & logistics | 2024 |
| Z&H Gifts Ltd | Wholesale & retail | 2025 |
| ZA Food Stores Ltd | Wholesale & retail | 2020 |
| Zahra Luxe Limited | Wholesale & retail | 2025 |
| Zain Cars Ltd | Wholesale & retail | 2026 |
| Zainow Ltd | Professional & scientific | 2022 |
| Zalnova Limited | Households | 2025 |
| ZAP Entertainment Ltd | Information & communication | 2002 |
| ZAP Events (Scotland) Ltd | Extraterritorial | 2020 |
| Zara Sharif Enterprises Ltd | Wholesale & retail | 2025 |
| Zart Sauber Ltd | Administrative & support | 2026 |
| Zavi ZOI Ltd | Wholesale & retail | 2026 |
| ZB Cat Ltd | Hospitality | 2025 |
| ZDM Plumbing & Heating Limited | Construction | 2015 |
| ZEN Garden Rooms Scotland Limited | Manufacturing | 2021 |
| ZEN2SKIN Aesthetics Ltd | Other services | 2016 |
| Zeta Pizza Company Ltd | Hospitality | 2020 |
| Zetland Cabs Ltd | Transport & logistics | 2025 |
| ZM Lettings Ltd | Real estate | 2021 |
| ZM Supplies Ltd | Wholesale & retail | 2015 |
| Zohan Automotive Limited | Wholesale & retail | 2024 |
| Zolomon Ltd | Information & communication | 2006 |
| ZS Brothers Ltd | Hospitality | 2025 |
| Zsak Falkirk Ltd | Hospitality | 2019 |