| Woodcroft Property Investments Ltd | Real estate | 2020 |
| Woodend Fishbar Ltd | Hospitality | 2021 |
| Woodend of Glassel Limited | Hospitality | 2014 |
| Woodier Homes Ltd | Real estate | 2026 |
| Woodleigh Solutions Ltd | Professional & scientific | 2013 |
| Woodshed (R&D) Limited | Administrative & support | 2017 |
| Woodshed Investments Limited | Financial services | 2025 |
| Woodside Barbers Ltd | Other services | 2025 |
| Woodside Dental Practice Limited | Health & social care | 2007 |
| Woodside Fountain Inns Limited | Hospitality | 1998 |
| Woodside Medical Practice LLP | | 2014 |
| Woodside Publishing Limited | Education | 1997 |
| Woodside Sports Complex Limited | Arts & recreation | 1987 |
| Woodsons of Aberdeen Limited | Wholesale & retail | 1956 |
| Woodworks Aberdeen Ltd | Manufacturing | 2014 |
| Woof Woof Wonderland Ltd | Other services | 2024 |
| Woollard & Henry Employees Trustees Limited | Manufacturing | 2002 |
| Woollard & Henry Engineering Ltd | Manufacturing | 2013 |
| Woollard & Henry Holdings Limited | Manufacturing | 2002 |
| Woollard & Henry Limited | Manufacturing | 1961 |
| Worbro Limited | Administrative & support | 2012 |
| Words With Wine Limited | Wholesale & retail | 2021 |
| Working With Integrity Ltd | Health & social care | 2022 |
| Workocean Limited | Mining & quarrying | 2026 |
| Workouttx Ltd | Information & communication | 2022 |
| Worksafe Supply Company Ltd | Wholesale & retail | 2026 |
| World Film Production Ltd | Information & communication | 2019 |
| World Humane Organisation Whispers and Whiskers. Ltd | Other services | 2024 |
| World Republic Limited | Real estate | 2003 |
| World Tennis Simulation League Ltd | Wholesale & retail | 2023 |
| Worldwide Oilfield Machine (U.K.) Limited | Administrative & support | 1991 |
| Worley Services UK Limited | Mining & quarrying | 2017 |
| Woro Consultancy Limited | Information & communication | 2024 |
| WOW Leisure Limited | Administrative & support | 2008 |
| Woww Group Limited | Administrative & support | 2025 |
| Wowzie Ltd | Wholesale & retail | 2008 |
| WQP Horizons Limited | Real estate | 2014 |
| Wrae Farm Holdings Limited | Financial services | 2020 |
| Wraith Real Estate Limited | Real estate | 2015 |
| Wraps 2 Go Ltd | Other services | 2019 |
| Wreck IT Rooms (Aberdeen) Limited | Arts & recreation | 2025 |
| Wrestlezone Ltd | Arts & recreation | 2012 |
| Wright Mastic Services Ltd | Construction | 2024 |
| Wright Response Ltd | Professional & scientific | 2019 |
| Writing Xperts Limited | Wholesale & retail | 2025 |
| WRM Subsea Ltd. | Professional & scientific | 2017 |
| Wrmi LP | | 2011 |
| WSB Manufacturing Limited | Administrative & support | 2014 |
| WSG Electrical Solutions Ltd | Construction | 2025 |
| WT Welding Services Ltd | Manufacturing | 2025 |
| WTA Energy Logistics Limited | Transport & logistics | 2025 |
| WTP Information Management Limited | Professional & scientific | 2017 |
| Wtse Limited | Health & social care | 2022 |
| WTW Ltd | Professional & scientific | 2019 |
| WV Aberdeen Ltd | Real estate | 2026 |
| Wyld Beauty Ltd | Other services | 2019 |
| WYM Real Estate Limited | Real estate | 2013 |
| Wyness Joinery Ltd | Construction | 2025 |
| Wyrd Harry's Upholstery Ltd | Manufacturing | 2026 |
| Wyvern Drones Ltd | Professional & scientific | 2021 |
| Wyvis Estate | | 1988 |
| Wyvis Marine & Business Management Limited | Transport & logistics | 2018 |
| X C D Limited | Administrative & support | 2000 |
| X Space Real Estate Ltd | Real estate | 2025 |
| X-Solver Ltd | Professional & scientific | 2016 |
| X-Wife the Cafe Limited | Hospitality | 2025 |
| Xeitresp Limited | Professional & scientific | 2018 |
| Xenolith Ltd | Professional & scientific | 2022 |
| Xeretec Scotland Limited | Administrative & support | 2008 |
| XI Energy Ltd | Professional & scientific | 2023 |
| XI Jiang Limited | Other services | 2019 |
| Xiangrui Edin Limited | Real estate | 2025 |
| XL Aviation Limited | Extraterritorial | 2001 |
| XL Global Group Limited | Professional & scientific | 2016 |
| XL Investments Holdings Limited | Professional & scientific | 2016 |
| XL Investments Limited | Real estate | 2016 |
| XLG Limited | Extraterritorial | 2017 |
| XLR8TRADING Limited | Wholesale & retail | 2025 |
| Xodus Academy Limited | Professional & scientific | 2021 |
| Xodus Group (Holdings) Limited | Administrative & support | 2010 |
| Xodus Group Limited | Professional & scientific | 2005 |
| Xonk Limited | Mining & quarrying | 2014 |
| Xoplanet Limited | Information & communication | 2020 |
| Xoverto Limited | Information & communication | 2013 |
| Xpressit Limited | Transport & logistics | 2025 |
| Xrdog Ltd | Information & communication | 2025 |
| Xrology Ltd | Information & communication | 2022 |
| Xtreme Coatings Ltd | Manufacturing | 2024 |
| Xtreme Energy Ltd | Mining & quarrying | 2001 |
| Xwell Ltd | Professional & scientific | 2025 |
| Y & K Property Maintenance Ltd | Real estate | 2024 |
| Y C Aberdeen Ltd | Hospitality | 2023 |
| Y&D Catering Ltd | Hospitality | 2024 |
| Yahya Thai Limited | Wholesale & retail | 2021 |
| Yakup Cafe Limited | Hospitality | 2026 |
| Yaky Limited | Real estate | 2025 |
| Yamwr Ltd | Other services | 2023 |
| YAN to Limited | Wholesale & retail | 2025 |
| Yannis Americanos Limited | Professional & scientific | 2023 |
| Yantra Ltd | Other services | 2020 |