| Winter Healthcare Ltd | Administrative & support | 2023 |
| Wlodo Trans Ltd | Construction | 2015 |
| Wolbridge Holdings Limited | Financial services | 2000 |
| Wolfguard UK Ltd | Administrative & support | 2025 |
| Wolverhampton Gujarati Community Club CIC | Health & social care | 2026 |
| Wolverhampton Laser & Aesthetics Ltd | Health & social care | 2025 |
| Wolverhampton Learning Platform CIC | Education | 2014 |
| Wolverhampton Self-Storage Limited | Real estate | 2007 |
| Wolverhampton Wellbeing Hub CIC | Information & communication | 2023 |
| Wolves Solutions Limited | Administrative & support | 2022 |
| Wolves Taxi Hire Ltd | Administrative & support | 2024 |
| Wood Saints C.I.C. | Manufacturing | 2025 |
| Woodend Convenience Store Ltd | Wholesale & retail | 2026 |
| Woodland 16 Limited | Health & social care | 2005 |
| Woodlands Properties Group Ltd | Real estate | 2026 |
| Workoraa Ltd | Administrative & support | 2026 |
| World Lifetime Journeys Ltd | Administrative & support | 2017 |
| Wozzby Ltd | Wholesale & retail | 2025 |
| Wrightway & Smith Masonry Contractors (Midlands) Ltd | Construction | 2022 |
| Wulfrunian Pressure Washing Ltd | Administrative & support | 2026 |
| WV Damp Proofing & Plastering Ltd | Construction | 2023 |
| WV HGV Rentals Limited | Administrative & support | 2022 |
| Xahad Limited | Extraterritorial | 2020 |
| Xpressworksolution Ltd | Transport & logistics | 2026 |
| Xtran Property Ltd | Real estate | 2019 |
| XZF Properties Ltd | Real estate | 2019 |
| Y9OSA Investment Limited | Administrative & support | 2020 |
| Yeoman Pressings Holding Company Limited | Financial services | 2017 |
| Yeoman Pressings Limited | Manufacturing | 2009 |
| YHB Investments Limited | Professional & scientific | 1974 |
| Yinks Studio Limited | Information & communication | 2026 |
| Yitu Logistics UK Ltd | Transport & logistics | 2026 |
| Yoshi Ltd | Wholesale & retail | 2026 |
| Youcube UK Ltd | Other services | 2023 |
| Young's Home Brew Limited | Wholesale & retail | 2006 |
| Young's Ubrew Limited | Professional & scientific | 2004 |
| Your Travel Concierge Ltd | Administrative & support | 2024 |
| Yoyo Delights Ltd | Hospitality | 2026 |
| YSD Properties Ltd | Real estate | 2025 |
| Z&H Cars Ltd | Wholesale & retail | 2024 |
| Zahad Group (UK) Holdings Limited | Extraterritorial | 2020 |
| Zahida Kanwal Real Estate Ltd | Real estate | 2023 |
| Zan's Barber Limited | Other services | 2025 |
| Zavrah Ltd | Construction | 2026 |
| ZEA Skin Care Ltd | Manufacturing | 2020 |
| ZEE Webb Ltd | Transport & logistics | 2026 |
| Zenari UK Ltd | Wholesale & retail | 2025 |
| Zenith Dudley C.I.C. | Other services | 2018 |
| Zetecroofing Ltd | Construction | 2025 |
| ZK Consultants Limited | Professional & scientific | 2024 |
| Zomato Limited | Wholesale & retail | 2017 |
| Zorawar Haulage Ltd | Transport & logistics | 2019 |
| ZTC Electrical Ltd | Construction | 2018 |
| Zvikosibanda Ltd | Health & social care | 2025 |