| Zamzam Exchange International Limited | Financial services | 2003 |
| ZAN Auto Driving School Ltd | Education | 2026 |
| Zanatany Investments Ltd | Real estate | 2025 |
| Zand Hold Limited | Extraterritorial | 2013 |
| Zanderland Construction Limited | Construction | 2023 |
| Zanusys Ltd | Information & communication | 2013 |
| Zara Meat Wholesale Ltd | Manufacturing | 2024 |
| Zara Wright Consulting Limited | Administrative & support | 2026 |
| Zarain Limited | Real estate | 2025 |
| Zaramber Sleepwear Ltd | Wholesale & retail | 2018 |
| Zaramo Ltd | Wholesale & retail | 2024 |
| Zargar Ltd | Wholesale & retail | 2022 |
| Zarnford Limited | Wholesale & retail | 2026 |
| Zarrien & Co Limited | Professional & scientific | 2021 |
| Zaryan Limited | Real estate | 2023 |
| Zasa Properties Limited | Real estate | 2019 |
| Zasfk Ltd | Other services | 2023 |
| Zass Holdings Limited | Administrative & support | 2016 |
| Zasz Ltd | Arts & recreation | 2018 |
| Zatila Construct Ltd | Construction | 2023 |
| Zawadi Apartments Ltd | Administrative & support | 2011 |
| Zayles Properties Ltd | Arts & recreation | 2025 |
| Zaynaab Ltd | Professional & scientific | 2014 |
| Zayqa Limited | Education | 2021 |
| Zdircea Construction Ltd | Construction | 2020 |
| Zeal Property Solutions Ltd | Households | 2024 |
| Zealous Creations UK Limited | Wholesale & retail | 2019 |
| Zealvfx PVT Ltd | Information & communication | 2024 |
| Zeas Marine Limited | Information & communication | 2024 |
| Zeb's Transport Limited | Transport & logistics | 2019 |
| Zeboss Limited | Real estate | 2019 |
| Zebrak London Limited | Administrative & support | 2011 |
| Zebrak Property Limited | Real estate | 2018 |
| Zebria Films Ltd | Information & communication | 2025 |
| Zed-I Systems Limited | Administrative & support | 2009 |
| Zedhomes Limited | Construction | 2003 |
| ZEE Connect Ltd | Wholesale & retail | 2026 |
| ZEE K Consulting Ltd | Professional & scientific | 2010 |
| ZEE Mark Traders UK Ltd | Wholesale & retail | 2023 |
| Zeedar Limited | Real estate | 2013 |
| Zeekiki Limited | Real estate | 2021 |
| Zeesam Limited | Real estate | 2015 |
| Zeki Expert Solutions UK Ltd | Information & communication | 2024 |
| Zemer Limited | Information & communication | 2022 |
| ZEN 2020 Ltd | Real estate | 2020 |
| ZEN Accounting Services Ltd | Professional & scientific | 2021 |
| ZEN Buddha Limited | Hospitality | 2025 |
| ZEN Consultancy Limited | Wholesale & retail | 2021 |
| ZEN Exterior Cleaning Ltd | Administrative & support | 2024 |
| ZEN IT Consultants Limited | Extraterritorial | 2014 |
| ZEN Monsoon Limited | Professional & scientific | 2010 |
| ZEN Plans Limited | Information & communication | 2019 |
| ZEN Retailers Ltd | Wholesale & retail | 2025 |
| Zen.Technik Limited | Information & communication | 2021 |
| Zeniservices Ltd | Construction | 2025 |
| Zenit Edge Ltd | Construction | 2025 |
| Zenith Guild Enterprises Ltd | Construction | 2011 |
| Zenith IT Solutions Ltd | Information & communication | 2024 |
| Zenith Manufacture Ltd | Wholesale & retail | 2024 |
| Zenith Personnel Services Ltd | Professional & scientific | 2018 |
| Zenk Impact Platforms Limited | Information & communication | 2026 |
| Zenner-Networks Ltd | Professional & scientific | 2013 |
| Zennia Limited | Other services | 2019 |
| Zenpath Limited | Arts & recreation | 2009 |
| Zenruk Limited | Wholesale & retail | 2026 |
| Zentara Solutions Ltd | Professional & scientific | 2025 |
| Zentria Ltd | Administrative & support | 2017 |
| Zentrohub Ltd | Wholesale & retail | 2025 |
| Zentrova Retail Ltd | Wholesale & retail | 2025 |
| Zentura Consulting Limited | Information & communication | 2025 |
| Zenvitaz Limited | Wholesale & retail | 2025 |
| Zenvora Private Limited | Administrative & support | 2025 |
| Zenzar Ltd | Wholesale & retail | 2023 |
| Zeppelin Entertainment Limited | Other services | 2022 |
| Zepto Trading Ltd | Wholesale & retail | 2025 |
| Zepul Limited | Information & communication | 2025 |
| Zermatt Capital Partners Ltd | Real estate | 2025 |
| Zernoff & Co Ltd | Construction | 2021 |
| Zero Degree International Ltd | Wholesale & retail | 2024 |
| Zero Intelligence Ltd | Information & communication | 2025 |
| Zero Negative Impact Change Limited | Professional & scientific | 2025 |
| Zerothcode IT Solution Ltd | Professional & scientific | 2025 |
| Zetta Care Limited | Health & social care | 2025 |
| Zettatek Ltd | Real estate | 2021 |
| Zeventzuk Limited | Other services | 2017 |
| Zewi Ltd | Construction | 2010 |
| Zews Limited | Real estate | 2020 |
| Zeyli Fragrances Limited | Manufacturing | 2022 |
| Zeyli Trading Limited | Wholesale & retail | 2024 |
| ZHA Distributions Ltd | Wholesale & retail | 2024 |
| ZHK Dental Limited | Health & social care | 2022 |
| ZHK Tuition Ltd | Education | 2020 |
| ZI Advisors Ltd | Financial services | 2024 |
| ZI ZI Club Ltd | Hospitality | 2026 |
| ZIA Claims Management Limited | Other services | 2025 |
| ZIA Maria Pizzeria Restaurant Limited | Hospitality | 2018 |
| Zibalite Ltd | Wholesale & retail | 2025 |
| Zico Services Ltd | Professional & scientific | 2024 |
| Zidannes Sports School Ltd | Arts & recreation | 2018 |
| Zidi Raro Ltd | Wholesale & retail | 2026 |