| Well-Sense Holdings Ltd | Other services | 2025 |
| Well-Sense Technology Limited | Administrative & support | 2015 |
| Well-Sense Technology UK Limited | Administrative & support | 2019 |
| Wellark Limited | Information & communication | 2025 |
| Wellbore Debris Solutions Ltd | Professional & scientific | 2019 |
| Welldynamics International Limited | Administrative & support | 1993 |
| Welleng Science & Technology Ltd | Professional & scientific | 2012 |
| Wellgrove Cabs Limited | Transport & logistics | 2004 |
| Wellheads Autos Ltd | Wholesale & retail | 2026 |
| Wellmac Limited | Wholesale & retail | 2004 |
| Wellops.Com Ltd. | Administrative & support | 2007 |
| Wellpro Group Limited | Mining & quarrying | 2018 |
| Wellpsych Limited | Other services | 2019 |
| Wellside Structural Services Limited | Professional & scientific | 2021 |
| Wellsolv Ltd | Administrative & support | 2008 |
| Welltec (UK) Ltd. | Professional & scientific | 2000 |
| Wellvene Limited | Professional & scientific | 2017 |
| Wellweld Ltd | Manufacturing | 2025 |
| Wellwood Asset Management Ltd | Real estate | 2023 |
| Welshdale Ltd | Professional & scientific | 2023 |
| Welt Impex LP | | 2013 |
| Wentura Inter LP | | 2015 |
| Wepixel Studios Ltd | Information & communication | 2022 |
| Wernink Ltd. | Administrative & support | 2011 |
| Wesselbron LP | | 2013 |
| West Coast Estates Limited | Construction | 1991 |
| West Craigton Farm Ltd | Other services | 2020 |
| West END Electrical Limited | Construction | 2003 |
| West END Garden and Maintenance Limited | Administrative & support | 2015 |
| West END Maintenance Solutions Ltd. | Manufacturing | 2020 |
| West END Roofing Ltd | Construction | 2024 |
| West END Styling Limited | Extraterritorial | 2021 |
| West END Wash Co Limited | Other services | 2025 |
| West Lodge Design Limited | Professional & scientific | 2007 |
| West Ocean Energy Ltd | Administrative & support | 2012 |
| West Pitkerro Auto Services Ltd | Wholesale & retail | 2018 |
| West Town Edinburgh Ltd | Real estate | 1995 |
| Westall & Thomas International Real Estate Ltd | Real estate | 2020 |
| Westburn IM Solutions Ltd | Professional & scientific | 2026 |
| Westburn Ltd. | Administrative & support | 2002 |
| Westburn Park Limited | Manufacturing | 2015 |
| Westburn Properties Limited | Real estate | 2017 |
| Westcourt Mill Limited | Real estate | 2003 |
| Westend Glass & Glazing Ltd. | Manufacturing | 2012 |
| Westend Windows (Aberdeen) Ltd. | Other services | 2018 |
| Western Design & Apparel LP | | 2013 |
| Western Emerald Limited | Professional & scientific | 2011 |
| Westfield Disposals Limited | Professional & scientific | 2016 |
| Westfield Farm (Aberdeen) Limited | Agriculture & fishing | 2011 |
| Westhill Eatery Ltd | Hospitality | 2023 |
| Westhill Garage Limited | Wholesale & retail | 2011 |
| Westhill Kebab Ltd | Hospitality | 2018 |
| Westhill Service Station Limited | Wholesale & retail | 2003 |
| Westhof Sky LP | | 2014 |
| Westholme Enterprises Limited | Real estate | 2013 |
| Westholme Property (Aberdeen) Ltd | Real estate | 2015 |
| Westholme Technical Services Limited | Professional & scientific | 2022 |
| Westmeade Technical Services Limited | Information & communication | 2015 |
| Weston Offshore Electrical Ltd | Construction | 2026 |
| Westpush Limited | Real estate | 1992 |
| Westside Recovery Limited | Wholesale & retail | 2026 |
| WET Noses Dog Spa Ltd | Other services | 2024 |
| WET Noses Training Academy Ltd | Education | 2025 |
| Wettland & Baffin LP | | 2013 |
| WFC Properties Limited | Construction | 2010 |
| WFT Trading Ltd | Administrative & support | 2011 |
| WGC 1 Limited | Professional & scientific | 2016 |
| WGC Energy Services Limited | Construction | 2025 |
| WGD023 Limited | Professional & scientific | 1984 |
| Wgpsn (Holdings) Limited | Administrative & support | 2005 |
| Wgpsn Eurasia Limited | Financial services | 2014 |
| WH (Germany) Limited | Administrative & support | 2018 |
| WH Consulting Ltd | Professional & scientific | 2020 |
| WH Lipex Limited | Manufacturing | 2019 |
| WH Planning & Procurement Services Limited | Professional & scientific | 2023 |
| What IS AI Ltd | Wholesale & retail | 2025 |
| What the Duck Clothing Ltd | Wholesale & retail | 2024 |
| Wheelngo Ltd | Wholesale & retail | 2025 |
| Whinniemuir Holdings Ltd | Administrative & support | 2017 |
| Whinpark Consultants Ltd | Professional & scientific | 2022 |
| Whisky Galore Limited | Manufacturing | 2001 |
| Whisky Mike (Aviation) Ltd. | Agriculture & fishing | 1994 |
| Whisky Townhouse Limited | Real estate | 2019 |
| White COW Wood Wind Energy Limited | Administrative & support | 2011 |
| White Eagle Aberdeen Limited | Construction | 2024 |
| White Flag Assistance Limited | Administrative & support | 1983 |
| White Spider Engineering Limited | Information & communication | 2005 |
| White Spirit Joinery Services Ltd | Construction | 2025 |
| White's Garden Services Limited | Other services | 2006 |
| Whitebox Drinks Limited | Wholesale & retail | 2021 |
| Whitehall Associates Ltd | Other services | 2018 |
| Whitepoint Capital Limited | Agriculture & fishing | 2019 |
| Whiterashes Plant Hire Limited | Professional & scientific | 2025 |
| Whiterock Group Limited | Professional & scientific | 2015 |
| Whiteside Hill Windfarm (Scotland) Limited | Energy | 2006 |
| Whitestones Services Limited | Professional & scientific | 2016 |
| Whitestripes Farm | | 2002 |
| Whitford Products Ltd | Manufacturing | 2024 |
| Whittaker Engineering (Stonehaven) Limited | Manufacturing | 1991 |
| Whittaker Group Limited | Administrative & support | 2009 |