| Yourwellnessmission Training & Consultancy Ltd | Education | 2017 |
| Youth League (UK) Ltd | Health & social care | 2001 |
| Youthcom Ltd | Information & communication | 2014 |
| YS Estates & Properties Limited | Real estate | 2025 |
| Yskbuilders Ltd | Construction | 2024 |
| YSR Digital Limited | Information & communication | 2025 |
| YSS Enterprises Ltd | Real estate | 2026 |
| YT Logistics Ltd | Transport & logistics | 2025 |
| Yudi Services Ltd | Information & communication | 2022 |
| Yukatech Limited | Wholesale & retail | 2026 |
| YUM Fruit Limited | Manufacturing | 2021 |
| Yummy Grill DG Ltd | Hospitality | 2022 |
| Yung Group Ltd | Information & communication | 2022 |
| Yusuf Property Ltd | Real estate | 2025 |
| Yuta Ltd | Construction | 2026 |
| Yuvi Builder.Com Ltd | Construction | 2020 |
| Z & a Estates Ltd | Real estate | 2018 |
| Z & Z Properties Limited | Real estate | 2017 |
| Z&A Associate Ltd | Wholesale & retail | 2024 |
| Z&B UK Services Ltd | Manufacturing | 2026 |
| Z&D Services Ltd | Construction | 2025 |
| Z.Ub UK Services Ltd | Wholesale & retail | 2025 |
| Z24 Secure Limited | Administrative & support | 2025 |
| ZA Brothers Limited | Wholesale & retail | 2023 |
| ZA Global Trading Ltd | Wholesale & retail | 2026 |
| ZA Studio Ltd | Information & communication | 2024 |
| ZAA Solutions Ltd | Wholesale & retail | 2025 |
| Zaac Ltd | Transport & logistics | 2018 |
| ZAB Haullage Ltd | Transport & logistics | 2025 |
| Zacco Holdings Ltd | Transport & logistics | 2026 |
| Zafy Ltd | Administrative & support | 2022 |
| ZAH IT Services Ltd | Information & communication | 2026 |
| Zaha FIX Limited | Construction | 2018 |
| Zahruni Ltd | Wholesale & retail | 2025 |
| Zain & Van Ltd | Wholesale & retail | 2026 |
| Zain Homes Ltd | Real estate | 2022 |
| Zain Residentials Ltd | Real estate | 2024 |
| Zaithoon Multiservices Ltd | Professional & scientific | 2022 |
| Zaitun Motors Ltd | Wholesale & retail | 2020 |
| Zakayah Investments Ltd | Financial services | 2024 |
| Zali Decorators Limited | Construction | 2019 |
| Zali Limited | Hospitality | 2012 |
| ZAM Bargain House Ltd | Wholesale & retail | 2016 |
| ZAM Chauffeurs Limited | Transport & logistics | 2025 |
| Zambo Ltd | Construction | 2014 |
| Zamya Services Limited | Health & social care | 2020 |
| Zamzam Arabic & More Ltd | Administrative & support | 2025 |
| Zamzam Facilities Management Services Limited | Administrative & support | 2026 |
| Zana Holdings Limited | Real estate | 2024 |
| Zanarecruits Ltd | Administrative & support | 2024 |
| Zantro Ltd | Wholesale & retail | 2026 |
| Zaprin Ltd | Professional & scientific | 2025 |
| ZAR Customs Ltd | Construction | 2022 |
| ZAR Interiors Ltd | Wholesale & retail | 2025 |
| Zara Poly & Beverage Ltd | Wholesale & retail | 2022 |
| Zarb Trading Ltd | Households | 2023 |
| Zardan Healthcare Services Ltd. | Health & social care | 2017 |
| Zarola Limited | Wholesale & retail | 2023 |
| Zata Properties Ltd | Real estate | 2019 |
| Zaus Ventures Ltd | Administrative & support | 2017 |
| Zavi Vibe Ltd | Wholesale & retail | 2025 |
| Zaviyar Group of Companies Ltd | Financial services | 2022 |
| Zawiya Academy Ltd | Education | 2026 |
| Zayana Ltd | Wholesale & retail | 2025 |
| Zayawe Ltd | Administrative & support | 2022 |
| Zayn and Zaynden Ltd | Hospitality | 2020 |
| ZD Electrical Engineering Limited | Construction | 2015 |
| Zeba Online Limited | Wholesale & retail | 2020 |
| Zeberdasat Ltd | Wholesale & retail | 2020 |
| Zectar Services Ltd | Administrative & support | 2026 |
| ZED 1 Constructions Ltd | Construction | 2026 |
| Zedperformance Ltd | Construction | 2020 |
| Zeeshan Shaukat Ltd | Wholesale & retail | 2025 |
| Zekon Investments Ltd | Construction | 2019 |
| Zekon Ltd | Construction | 2015 |
| Zelenza Ltd | Wholesale & retail | 2026 |
| ZEN Graphic Designs Ltd | Information & communication | 2025 |
| Zenergy One Limited | Construction | 2025 |
| Zenith Concepts Ltd | Professional & scientific | 2025 |
| Zenith Deals Ltd | Wholesale & retail | 2022 |
| Zenith Human Resources Ltd | Administrative & support | 2017 |
| Zenith Professionals Ltd | Financial services | 2019 |
| Zenith Resources Management Services Limited | Professional & scientific | 2012 |
| Zenith Strategies Ltd | Wholesale & retail | 2025 |
| Zenithcare Resources Management Services Ltd | Health & social care | 2017 |
| Zentra Deals Ltd | Wholesale & retail | 2026 |
| Zentrovaecom Ltd | Wholesale & retail | 2026 |
| Zeos Tech Ltd | Wholesale & retail | 2026 |
| Zephyr Plus Ltd | Wholesale & retail | 2026 |
| Zestbase Ltd | Hospitality | 2025 |
| Zetoon Ltd | Wholesale & retail | 2026 |
| Zexto Travel Private Limited | Financial services | 2024 |
| Zeylocom Ltd | Wholesale & retail | 2025 |
| ZEYLOCOM001 Limited | Wholesale & retail | 2026 |
| ZF Production House Ltd | Information & communication | 2025 |
| ZFA Nails Limited | Other services | 2025 |
| Zfatimah Ltd | Wholesale & retail | 2025 |
| ZHA786 Limited | Wholesale & retail | 2022 |
| Ziarat Guide Ltd | Administrative & support | 2024 |
| Zidudobrea Ltd | Construction | 2018 |