| White Top Industries Ltd | Financial services | 2025 |
| Whiteheads Wills and Probate Services Limited | Professional & scientific | 2017 |
| Wigby JKC Limited | Other services | 2024 |
| Wilder Technologies Ltd | Information & communication | 2025 |
| Willbro 38 Ltd | Real estate | 2024 |
| Willbro Properties Ltd | Real estate | 2024 |
| Willett Marquee Hire Limited | Professional & scientific | 2014 |
| Willow Practice Solutions Limited | Administrative & support | 2024 |
| Willowfields Nursery Ltd | Education | 2025 |
| Wilson Group Management Limited | Financial services | 2018 |
| Wilton Brothers Limited | Other services | 2004 |
| Window Repair Centre Limited | Construction | 2005 |
| Windows 4 YOU LLP | | 2014 |
| Windows 4 YOU Shop Ltd | Wholesale & retail | 2025 |
| Winshill Pre-School | Education | 2008 |
| WIP Asap Ltd | Arts & recreation | 2021 |
| Wired IT Ltd | Information & communication | 2024 |
| Wireless Wizards Ltd | Information & communication | 2023 |
| Wirewurx Limited | Information & communication | 2021 |
| Wise Stripes Limited | Professional & scientific | 2025 |
| Wiselink Global Technologies Limited | Information & communication | 2018 |
| Wish Developments (Holdings) Ltd | Financial services | 2013 |
| Wish Developments Ltd | Construction | 2012 |
| Wish Lettings Limited | Real estate | 2022 |
| Wish Productions Ltd | Construction | 2015 |
| Wizard Transport Ltd | Transport & logistics | 2024 |
| WJ (Group) Limited | Financial services | 2010 |
| WJ Applied Media Ltd | Extraterritorial | 2010 |
| WJ Group Holdings Limited | Financial services | 2020 |
| WJ Group Infrastructure Limited | Financial services | 2020 |
| WJ Linkline Group Limited | Extraterritorial | 2014 |
| WJ Residential Properties Limited | Real estate | 2016 |
| WJ Roadmarkings (SW) Limited | Extraterritorial | 2014 |
| WJ Roadmarkings Limited | Extraterritorial | 2014 |
| Wojcik Property Ltd | Real estate | 2019 |
| Wolf & Whipp Footwear Limited | Wholesale & retail | 2019 |
| Woodcroft Caravan Park Ltd | Hospitality | 2016 |
| Woodfield Drive Management Limited | Households | 2017 |
| Woodlands Court Management (Newcastle Under Lyme) Company Limited | Households | 2019 |
| Woodrow Procurement Services Limited | Professional & scientific | 2022 |
| Woodvine Construction Limited | Construction | 2025 |
| Workflow Accounting Services Limited | Professional & scientific | 2008 |
| Worldwide Traders Group Limited | Wholesale & retail | 2021 |
| Worrallhill Limited | Information & communication | 2025 |
| Wotsip Ltd | Wholesale & retail | 2020 |
| WRC Enterprises Ltd | Wholesale & retail | 2026 |
| Wrighton Pryce Limited | Extraterritorial | 1983 |
| Wrong Fuel Recoveries Limited | Wholesale & retail | 2024 |
| WSC Paco Limited | Administrative & support | 2023 |
| Wulcon Limited | Construction | 2019 |
| WWUK1 Limited | Hospitality | 2016 |
| WWUK2 Ltd | Hospitality | 2019 |
| WWUK3 Ltd | Hospitality | 2020 |
| WXY Ltd | Arts & recreation | 2018 |
| Xander Developments Limited | Wholesale & retail | 2013 |
| XC3 Ltd | Wholesale & retail | 2024 |
| Xedex Limited | Wholesale & retail | 2025 |
| Xenox Sourcing Ltd | Real estate | 2022 |
| Xerxes Services Ltd | Transport & logistics | 2025 |
| Xylo Blue Joinery Limited | Manufacturing | 2021 |
| Yapcrm Limited | Information & communication | 2008 |
| Yaya Medical Ltd | Health & social care | 2017 |
| YC Digital Ltd | Other services | 2019 |
| Yellow Circle Web Solutions Limited | Information & communication | 2006 |
| Yetholm Properties (UK) Limited | Real estate | 1992 |
| Yoga Vimochana Limited | Other services | 2016 |
| Yoggi Delicatessen Ltd. | Wholesale & retail | 2013 |
| Yoggi Properties UK Ltd | Real estate | 2025 |
| Yousaf Family Property Limited | Real estate | 2023 |
| YSF Taxi Ltd | Transport & logistics | 2025 |
| YSY Consulting Engineers Limited | Professional & scientific | 2010 |
| Yuksel Properties Ltd | Real estate | 2025 |
| Yusuf and Sons Ltd | Hospitality | 2023 |
| Z&A Properties (Staffs) Ltd | Real estate | 2024 |
| Z&R Medical Experts Limited | Health & social care | 2024 |
| Z-Carz (Stoke-On-Trent) Limited | Transport & logistics | 2008 |
| Z-One Consultancy (N.I.) Ltd | Professional & scientific | 2016 |
| Zaam Care Solutions Ltd | Health & social care | 2020 |
| Zam's Healthcare Ltd | Professional & scientific | 2023 |
| Zamir's Plus Limited | Health & social care | 2018 |
| Zebra Consultancy Limited | Administrative & support | 2013 |
| Zedexi Ltd | Professional & scientific | 2021 |
| Zeebra 24 Limited | Professional & scientific | 2014 |
| Zeta's Coffee and Cream Ltd | Hospitality | 2018 |
| Zias Care Ltd | Health & social care | 2024 |
| Zione Excel Ltd | Wholesale & retail | 2025 |
| Zipper and Stent Limited | Arts & recreation | 2012 |
| ZK Pharma Limited | Health & social care | 2022 |
| Zone of Bargain Limited | Wholesale & retail | 2024 |
| ZSK Enterprise Limited | Transport & logistics | 2019 |
| Zurraq Khan Design Limited | Professional & scientific | 2025 |