| YJ Early Years Consultancy -Autism and Behavior Specialist Limited | Education | 2025 |
| YK Bespoke Elite Services Limited | Professional & scientific | 2025 |
| YK Holdings Ltd | Real estate | 2024 |
| YK Plumbing and Heating Ltd | Construction | 2025 |
| YK Property Group Limited | Real estate | 2019 |
| YNY Security Ltd | Administrative & support | 2017 |
| YO Solutions Ltd | Administrative & support | 2022 |
| Yoctosoft Limited | Information & communication | 2018 |
| Yoga Motion Limited | Real estate | 2005 |
| Yohaana Ltd | Hospitality | 2025 |
| Yorkave Ltd | Extraterritorial | 2015 |
| Yosanie Ltd | Information & communication | 2021 |
| Yoshe Clinical Operations Limited | Professional & scientific | 2011 |
| Yotamile Global Services Ltd | Other services | 2016 |
| Your 247 Plumber Ltd | Construction | 2025 |
| Your Elite Pass Ltd | Wholesale & retail | 2026 |
| Your Key App Ltd | Information & communication | 2026 |
| Your Local Transport Ltd | Transport & logistics | 2025 |
| Your Main Store Ltd | Wholesale & retail | 2025 |
| Your New Home Holdings Ltd | Construction | 2016 |
| Your Personal Care Ltd | Health & social care | 2022 |
| Your Personal Recruitment Limited | Administrative & support | 2017 |
| Yourhome Properties PVT Ltd | Real estate | 2025 |
| Yourmembership Limited | Administrative & support | 2011 |
| Youtemp Ltd | Information & communication | 2020 |
| YS Global Trading Ltd | Wholesale & retail | 2024 |
| YS Luxury Chauffeur Ltd | Transport & logistics | 2019 |
| YSF Enterprise Ltd | Wholesale & retail | 2020 |
| YSJ Investments Ltd | Real estate | 2017 |
| Yugz Ltd | Wholesale & retail | 2021 |
| Yuktha Investments Ltd | Real estate | 2025 |
| Yumdrop Ltd | Hospitality | 2026 |
| Yummy Bites Cafe Ltd | Hospitality | 2025 |
| Yungsnee Limited | Administrative & support | 2020 |
| Yushan Limited | Information & communication | 2011 |
| Yuva Limited | Real estate | 2016 |
| Yuvraj Food & Wine Ltd | Wholesale & retail | 2020 |
| Yuvraj Property Ltd | Real estate | 2022 |
| Yvara Ltd | Information & communication | 2025 |
| Ywyn Limited | Wholesale & retail | 2020 |
| YZ Media Productions Ltd | Information & communication | 2020 |
| Yzis Ltd | Wholesale & retail | 2023 |
| YZJ Ltd | Construction | 2024 |
| Z Deals Ltd | Wholesale & retail | 2024 |
| Z Express Limited | Transport & logistics | 2024 |
| Z Percent Fitness & Health Ltd | Arts & recreation | 2020 |
| Z&D Solutions Ltd | Construction | 2025 |
| Z&J Solutions Ltd | Manufacturing | 2012 |
| Z&S Services Limited | Administrative & support | 2012 |
| Z-Tech Consultancy Limited | Professional & scientific | 2011 |
| Z25 Ltd | Wholesale & retail | 2025 |
| Z3 Stars Ltd | Information & communication | 2023 |
| ZA Assets Limited | Real estate | 2024 |
| ZA Collections Ltd | Wholesale & retail | 2025 |
| Zaari Ltd | Transport & logistics | 2024 |
| ZAB Capital Holdings Limited | Construction | 2020 |
| Zabify Ltd | Wholesale & retail | 2025 |
| Zabite E-Drop Limited | Wholesale & retail | 2024 |
| ZAC Healthcare Services Limited | Health & social care | 2022 |
| ZAC Studios Ltd | Information & communication | 2023 |
| ZAC Technologies UK Limited | Information & communication | 2017 |
| Zadih Ltd | Wholesale & retail | 2021 |
| Zaeem Brother Limited | Wholesale & retail | 2025 |
| Zafar & Co Properties Ltd | Real estate | 2021 |
| Zafar Property Investments Limited | Wholesale & retail | 2022 |
| Zaheer Naseem Accountancy Services Ltd | Professional & scientific | 2022 |
| Zahid Khan Enterprise’S Ltd | Wholesale & retail | 2025 |
| Zahm Trading Ltd | Administrative & support | 2018 |
| Zahra Foundation | Health & social care | 2013 |
| Zaid & Ibrahim Limited | Wholesale & retail | 2025 |
| Zain C HUT Ltd | Hospitality | 2025 |
| Zain C1 HUT Ltd | Hospitality | 2025 |
| Zain Ecom Limited | Wholesale & retail | 2025 |
| Zain HUT Group Ltd | Hospitality | 2020 |
| Zain HUT Investment 2 Ltd | Hospitality | 2025 |
| Zain HUT Investment Ltd | Real estate | 2021 |
| Zain HUT Ltd | Hospitality | 2015 |
| Zain HUT South Ltd | Hospitality | 2020 |
| Zain PH Limited | Hospitality | 2017 |
| Zainab Foundation Bookshop Limited | Wholesale & retail | 1994 |
| Zainzil Ltd | Other services | 2015 |
| ZAK Food Grocery Ltd | Wholesale & retail | 2022 |
| ZAK UI Ltd | Information & communication | 2018 |
| Zakandaya Ltd | Health & social care | 2023 |
| Zakariya Enterprise Ltd | Wholesale & retail | 2024 |
| Zakary Limited | Hospitality | 1985 |
| Zakhtar Investments Ltd | Real estate | 2022 |
| Zaki Car Sales & Valeting Centre Ltd | Wholesale & retail | 2017 |
| Zaki Edge Ltd | Wholesale & retail | 2025 |
| Zaky Investement Limited | Financial services | 2025 |
| Zaleza Ltd | Professional & scientific | 2022 |
| Zalimar Transport Limited | Wholesale & retail | 2019 |
| Zalmart Limited | Administrative & support | 2023 |
| Zalux Motors Ltd | Wholesale & retail | 2026 |
| ZAM ZAM Group Ltd | Hospitality | 2025 |
| Zamo Group Limited | Administrative & support | 2025 |
| Zamoor Ltd | Wholesale & retail | 2018 |
| Zampa Foods Co Ltd | Hospitality | 2026 |
| Zamzam Trading Limited | Wholesale & retail | 2026 |
| ZAN IMO Car Wash Ltd | Administrative & support | 2026 |