| Youye Ltd | Wholesale & retail | 2023 |
| Yshare Limited | Wholesale & retail | 2023 |
| Yuanyang Cultural Media Limited | Wholesale & retail | 2023 |
| Yuvraj Link Properties Ltd | Real estate | 2025 |
| Yuyi Technology Co., Ltd | Wholesale & retail | 2022 |
| Z H Boston Holding Company Limited | Financial services | 2024 |
| Z H Boston Properties Limited | Real estate | 2024 |
| Z.T. Property Services Limited | Real estate | 2002 |
| Zahid Motors Ltd | Wholesale & retail | 2026 |
| Zavic Store Limited | Wholesale & retail | 2026 |
| ZCH Tech-Industrial Group Limited | Extraterritorial | 2023 |
| Zealous Recruitment Ltd | Administrative & support | 2025 |
| Zebra Digital Limited | Information & communication | 1999 |
| Zenith Leisure UK Ltd | Arts & recreation | 2004 |
| Zenith Management Associates Limited | Professional & scientific | 2006 |
| Zensight Limited | Information & communication | 2002 |
| Zeus Associates Limited | Information & communication | 1995 |
| Zeus Canterbury Limited | Hospitality | 2014 |
| Zeus II Ltd | Other services | 2005 |
| Ziotech Solutions Ltd | Information & communication | 2020 |
| Zivtech Limited | Professional & scientific | 2004 |
| Zoltan Pepper Limited | Information & communication | 2001 |
| ZS Partnership Limited | Professional & scientific | 2004 |
| Zurnity Ltd | Wholesale & retail | 2021 |
| ZW Marine Ltd | Manufacturing | 2021 |
| Zwaxx Ltd | Wholesale & retail | 2024 |