| Z Mukhtar Limited | Health & social care | 2025 |
| Z&R Trans Ltd | Transport & logistics | 2019 |
| Zack Nayeem Limited | Wholesale & retail | 2022 |
| ZAF Ambitions Limited | Hospitality | 2005 |
| ZAF Group Holdings Limited | Financial services | 2026 |
| ZAF Holdings Limited | Financial services | 2017 |
| Zaking Consulting Ltd | Transport & logistics | 2019 |
| Zala Trading Limited | Wholesale & retail | 2025 |
| Zambardi Limited | Other services | 2024 |
| Zana Goods Distributor Ltd | Other services | 2022 |
| Zanova Consult Ltd | Information & communication | 2025 |
| ZAP Productions Ltd | Administrative & support | 2018 |
| Zapazon Property Services Limited | Construction | 2026 |
| Zaveri & Sons Properties PVT Ltd | Real estate | 2025 |
| Zaviyan Ltd | Professional & scientific | 2026 |
| Zawadi Global Limited | Wholesale & retail | 2020 |
| Zayali Healthcare Limited | Health & social care | 2022 |
| Zaytriq Ltd | Wholesale & retail | 2025 |
| Zebra Retail Fashion 3 Limited | Wholesale & retail | 2014 |
| Zebra Staging Ltd | Professional & scientific | 2025 |
| Zebulon Productions Ltd | Arts & recreation | 2019 |
| Zehra Alshafi Limited | Health & social care | 2025 |
| Zemis Limited | Information & communication | 2009 |
| ZEN Home Flooring Ltd | Construction | 2025 |
| Zenmirelle Beauty Ltd | Wholesale & retail | 2024 |
| Zenvivia Ltd | Manufacturing | 2026 |
| Zephyre ALB Ltd | Professional & scientific | 2022 |
| Zero Alternative Ltd | Professional & scientific | 2025 |
| Zeropain Ltd | Information & communication | 2014 |
| Zeropointone Ltd | Professional & scientific | 2013 |
| Zest Living Limited | Real estate | 1982 |
| Zest Marketing Ltd | Professional & scientific | 2022 |
| ZEV Events Limited | Administrative & support | 2025 |
| Zeyad Property Development Ltd | Real estate | 2016 |
| Zeyad Property Investments Ltd | Real estate | 2015 |
| ZH Accountancy Services Ltd | Professional & scientific | 2022 |
| ZHC Healthcare Limited | Health & social care | 2021 |
| Zhou and Bachman Ltd | Professional & scientific | 2019 |
| Ziaam Ventures Limited | Wholesale & retail | 2018 |
| ZIG51 Consulting Ltd | Information & communication | 2022 |
| Zigzee LLP | | 2013 |
| Ziji Productions Limited | Other services | 2000 |
| Ziji Properties Limited | Real estate | 2022 |
| Ziji Publishing Limited | Information & communication | 2002 |
| Ziji Screen Limited | Professional & scientific | 2016 |
| Zill Fashion Studio Ltd | Wholesale & retail | 2026 |
| Zillion IT Solutions Ltd | Information & communication | 2018 |
| ZIM Zimmer Productions Limited | Administrative & support | 2013 |
| Zincha Construction Limited | Construction | 2012 |
| Zincha Estates Limited | Construction | 2003 |
| Zircon Property Investments Ltd | Real estate | 2026 |
| Zmss Ltd | Health & social care | 2025 |
| Zodiac Professional Services Limited | Financial services | 2021 |
| Zolex Investments Limited | Real estate | 2019 |
| Zonar Ltd | Information & communication | 2019 |
| ZRS Properties Limited | Real estate | 2023 |
| Ztrive Group Limited | Financial services | 2026 |
| Ztrive Limited | Administrative & support | 2026 |
| Ztrive Training Limited | Education | 2026 |
| Zulu Group Ltd | Other services | 2011 |
| Zulu II Limited | Financial services | 2019 |
| Zuma Films Limited | Information & communication | 1989 |
| Zuma Productions Limited | Information & communication | 1998 |
| Zuvizo Limited | Administrative & support | 2024 |
| Zuzu Clothing Co. Limited | | 1991 |
| Zwolak Limited | Manufacturing | 2023 |
| Zxyq Ltd | Professional & scientific | 2011 |