| Wptr Training Ltd | Professional & scientific | 2024 |
| Wrightgas NW Ltd | Construction | 2026 |
| Writing SEO Ltd | Administrative & support | 2026 |
| WSI Holdings Ltd | Financial services | 2025 |
| Wythenshawe Xchange Ltd | Wholesale & retail | 2019 |
| Xenova Enterprises Ltd | Wholesale & retail | 2024 |
| Xpress Components Ltd | Wholesale & retail | 2018 |
| Y&S Investments Group Ltd | Real estate | 2020 |
| Y&S Solutions Limited | Health & social care | 2014 |
| Y.B. Partnership Limited | Real estate | 2006 |
| Yadgar Takeaway Ltd | Hospitality | 2024 |
| YAM Constructions Limited | Wholesale & retail | 2025 |
| Yaqin Investments Ltd | Real estate | 2019 |
| YAS M Tech Ltd | Information & communication | 2025 |
| Yassar P.Act Ltd | Professional & scientific | 2026 |
| Yatsden Limited | Real estate | 1998 |
| Yaya Properties Limited | Real estate | 2018 |
| YD Energy Solutions Ltd | Construction | 2024 |
| YG Cafe Ltd | Hospitality | 2024 |
| Ygcb XO Ltd | Hospitality | 2024 |
| YHY Meats Ltd | Wholesale & retail | 2024 |
| YIP Property NW Ltd | Real estate | 2022 |
| YKH Salterforth Ltd | Construction | 2020 |
| Yocaly Ltd | Transport & logistics | 2019 |
| Yorkshire Born Limited | Extraterritorial | 2015 |
| YOU ARE Fired Limited | Professional & scientific | 2018 |
| YOU ME and Tea Ltd | Hospitality | 2019 |
| Your Choice Doors Ltd | Professional & scientific | 2025 |
| Your Electrical Supplies Limited | Wholesale & retail | 1995 |
| Your Grid Ltd | Manufacturing | 2026 |
| Youth & Wild Limited | Wholesale & retail | 2022 |
| Youyaa Ltd | Professional & scientific | 2017 |
| YRA Global Ltd | Wholesale & retail | 2025 |
| Z H Developers Ltd | Other services | 2025 |
| Z I Data Tech Limited | Information & communication | 2017 |
| Z K Auto Repair Ltd | Wholesale & retail | 2021 |
| Z Motors Limited | Other services | 2013 |
| Z S Housing Limited | Real estate | 2022 |
| Z U a Gorsi Limited | Wholesale & retail | 2022 |
| Z&M Builders Limited | Construction | 2025 |
| Z&Z Marketing LAB Limited | Professional & scientific | 2025 |
| Z.A.F Motorworx Ltd | Wholesale & retail | 2025 |
| ZA PAK Services Ltd | Wholesale & retail | 2025 |
| Zaahb Investment Group Ltd | Real estate | 2021 |
| Zach International Limited | Wholesale & retail | 2023 |
| Zahra Bedding Limited | Wholesale & retail | 2021 |
| Zaicollectives Ltd | Wholesale & retail | 2025 |
| Zale Yardley Ltd | Wholesale & retail | 2016 |
| Zaman Property Group Ltd | Real estate | 2021 |
| Zamanpharma Ltd | Professional & scientific | 2016 |
| Zamindara Traders Ltd | Wholesale & retail | 2024 |
| ZAQ Motors Limited | Wholesale & retail | 2021 |
| Zara's Graphics Limited | Professional & scientific | 2025 |
| ZD Chairs Ltd | Manufacturing | 2024 |
| ZEB Fresh Meat Ltd | Manufacturing | 2024 |
| Zenov Health Ltd | Manufacturing | 2024 |
| Zenova Transport Limited | Transport & logistics | 2024 |
| ZER Ltd | Wholesale & retail | 2025 |
| Zero Waste Lancashire Ltd | Other services | 2020 |
| ZERO8 Consulting Limited | Administrative & support | 2025 |
| Zeroenergyinstallation Ltd | Construction | 2024 |
| Zfaesthetics Ltd | Other services | 2024 |
| Zichs Ltd | Wholesale & retail | 2024 |
| Zing Establishment Ltd | Construction | 2021 |
| ZK Industries Ltd | Wholesale & retail | 2023 |
| ZK Khan Transport Ltd | Transport & logistics | 2022 |
| ZM Auto Trimming Limited | Wholesale & retail | 2024 |
| ZMA Motors Limited | Wholesale & retail | 2017 |
| ZOE Dixon Mortgage & Protection Specialist Ltd | Financial services | 2025 |
| Zoeftig (Tostig) Ltd | Other services | 2010 |
| Zoya Imaan Estate Ltd | Real estate | 2025 |
| Zpies'N'Pasties the Bakery Ltd | Hospitality | 2024 |
| ZS Entertainment Ltd | Professional & scientific | 2025 |
| ZS Hair Studio Ltd | Other services | 2025 |
| ZTN Properties Ltd | Real estate | 2025 |
| Zuna Healthcare Ltd | Administrative & support | 2025 |
| Zwina Designs Ltd | Wholesale & retail | 2024 |
| Zyrabee Limited | Wholesale & retail | 2025 |
| Zyvantrix Ltd | Information & communication | 2026 |