| WBI Limited | Other services | 2019 |
| WCM Scotland Ltd | Administrative & support | 2023 |
| Weddings Live Limited | Information & communication | 2010 |
| WEE Cottage Kiosk Ltd | Hospitality | 2026 |
| WEE Genius Limited | Education | 2019 |
| WEE Glen Cafe Limited | Hospitality | 2026 |
| Welsh Walker Limited | Professional & scientific | 2009 |
| West Barbers Greenock Ltd | Other services | 2024 |
| West Coast Cinemas LLP | | 2011 |
| West Coast Design & Print Ltd. | Administrative & support | 2006 |
| West Coast Electrical Services (Inverclyde) Ltd | Manufacturing | 2016 |
| West Coast HS Ltd. | Administrative & support | 2018 |
| West Coast Kitchens Ltd | Wholesale & retail | 2026 |
| West Coast Lettings Limited | Hospitality | 2024 |
| West Coast Regalia Ltd | Wholesale & retail | 2026 |
| West Coast Taverns Ltd | Hospitality | 2019 |
| West Coast Watch Company Limited | Other services | 2021 |
| West Coast Woodfuels Ltd. | Manufacturing | 2013 |
| West Grab Limited | Administrative & support | 2022 |
| West Station Properties Ltd | Construction | 2018 |
| Westcourts Litigation Limited | Professional & scientific | 2014 |
| Western Scottish Western S.M.T Company Ltd | Transport & logistics | 2022 |
| WET Leisure Engineering Limited | Other services | 2019 |
| WET Wall Depot (Maryhill) Ltd | Wholesale & retail | 2019 |
| WET Wall Depot Ltd | Wholesale & retail | 2018 |
| White Bell Investments Ltd | Administrative & support | 2003 |
| White Letting Limited | Real estate | 2002 |
| Whyte and Christie Ltd | Construction | 2024 |
| Wilcock UXO Services Limited | Other services | 2022 |
| Wild Goose Holidays Ltd. | Hospitality | 2004 |
| Wild Scottish Picnics Ltd | Hospitality | 2023 |
| William Lafferty & Company Limited | Construction | 1987 |
| Wilmac Ecopower Ltd. | Energy | 2012 |
| Windfarm Quality Services Limited | Construction | 2023 |
| Wingston Spice Ltd | Hospitality | 2024 |
| Wizzed Ltd | Education | 2010 |
| WL3 Services Ltd | Construction | 2024 |
| WM. Mitchell & Co. (Kilmarnock) Limited | Real estate | 1950 |
| Wmcc Instrument Fitting Limited | Mining & quarrying | 2016 |
| Woolly Thistle Limited | Administrative & support | 2014 |
| Word & Image (Scotland) Limited | Manufacturing | 1994 |
| WRB Transport Ltd | Transport & logistics | 2025 |
| XC Logistics Ltd | Extraterritorial | 2020 |
| Xcite Play Ltd | Arts & recreation | 2019 |
| Yalda Shop Ltd | Wholesale & retail | 2025 |
| Yayzee Trading Limited | Wholesale & retail | 2026 |
| Youth Connections | Arts & recreation | 2005 |
| YS Coin Limited | Real estate | 2016 |
| Zain Greenock Ltd | Hospitality | 2023 |
| Zole Ltd | Wholesale & retail | 2025 |