| Your Management System Ltd | Professional & scientific | 2025 |
| Your Marketing Hub Ltd | Professional & scientific | 2021 |
| Your Terrain Ltd | Education | 2026 |
| YTG Limited | Wholesale & retail | 2013 |
| Yulan Jewellery Ltd | Manufacturing | 2015 |
| Yvonne Francis Limited | Professional & scientific | 2024 |
| Z.M.I.H Investments Ltd | Real estate | 2020 |
| Zanshin RYU Ltd | Administrative & support | 2007 |
| Zanshuri Ltd | Manufacturing | 2013 |
| ZAP Telecom Limited | Information & communication | 2022 |
| Zayd Motors Ltd | Wholesale & retail | 2025 |
| ZD Property Services Ltd | Construction | 2023 |
| ZED ESS Prime Ltd | Administrative & support | 2019 |
| ZEE ZEE Sole Ltd | Professional & scientific | 2026 |
| ZEN Business Solutions Limited | Information & communication | 2025 |
| ZEN Intelligence Ltd | Information & communication | 2020 |
| Zenith Textiles Limited | Wholesale & retail | 2019 |
| Zenzipproperty Ltd | Real estate | 2024 |
| Zero to Dream JOB Ltd. | Administrative & support | 2018 |
| Zero-Cinq Ltd | Professional & scientific | 2014 |
| ZERO2 UK Holdings Ltd | Real estate | 2023 |
| Zidac Laboratories INT. Limited | Manufacturing | 2022 |
| Zing Health Holdings Limited | Financial services | 2024 |
| Zing Health Limited | Wholesale & retail | 2022 |
| Zingara Limited | Manufacturing | 2017 |
| Zion Partnership Ltd | Real estate | 2021 |
| ZIP Dog Productions Limited | Information & communication | 2019 |
| Zjarr Ltd | Wholesale & retail | 2021 |
| ZLH Studios Ltd | Education | 2024 |
| ZOE Alicia Fitness Limited | Arts & recreation | 2021 |
| Zsiu Ltd | Information & communication | 2024 |
| Zukie London Limited | Wholesale & retail | 2016 |
| ZXY Limited | Real estate | 2017 |