| Yettymama Limited | Health & social care | 2024 |
| YG Travel Ltd | Administrative & support | 2018 |
| YH Properties Ltd | Real estate | 2022 |
| Yingyao Supermarket Ltd | Wholesale & retail | 2023 |
| Yiwu Campbell Industry and Trade Co., Ltd. | Administrative & support | 2024 |
| YKT Properties Limited | Real estate | 2022 |
| YL Consulting Ltd | Information & communication | 2009 |
| YL Takeaway Ltd | Hospitality | 2024 |
| Ymckg Ltd | Hospitality | 2026 |
| Ymhp Ltd | Financial services | 2018 |
| YMS Foods Ltd | Wholesale & retail | 2019 |
| YNG Creative Ltd | Information & communication | 2019 |
| Yocha Ltd | Wholesale & retail | 2025 |
| Yoga and Sons Limited | Wholesale & retail | 2022 |
| Yogam Estates Ltd | Real estate | 2025 |
| Yogam Ltd | Real estate | 2010 |
| Yogi Bapa PVT Ltd | Hospitality | 2023 |
| Yogi Logistic Limited | Transport & logistics | 2023 |
| YOGI01 Limited | Construction | 2025 |
| Yolla International Limited | Information & communication | 2025 |
| Yoog Construction Limited | Construction | 2019 |
| Yorkend for Infrastructure Projects Ltd | Construction | 2020 |
| Yorkshire Spine Ltd | Health & social care | 2015 |
| YOU Tour Limited | Administrative & support | 2009 |
| Youmar Properties Limited | Real estate | 2021 |
| Young & Co Limited | Construction | 1996 |
| Young Creative Perfect Aromatic Company Limited | Extraterritorial | 2021 |
| Young Little Stars Ltd | Health & social care | 2024 |
| Youngs Football Club C.I.C. | Arts & recreation | 2020 |
| Your Local Store Private Ltd | Wholesale & retail | 2017 |
| Your Montessori Pre-School & Day Nursery Limited | Education | 2015 |
| Your Tasker Ltd | Construction | 2024 |
| Your Travel Destinations Ltd | Administrative & support | 2025 |
| Yousee Enterprises Ltd | Real estate | 2025 |
| Youth Engagement Solutions Ltd | Administrative & support | 2015 |
| Youths DEM Events Ltd | Professional & scientific | 2024 |
| Yovi Consulting Limited | Financial services | 2013 |
| Ypath Ltd | Real estate | 2014 |
| YS Accountants Ltd | Professional & scientific | 2020 |
| YS Chan Limited | Wholesale & retail | 2025 |
| YS Diamonds Limited | Households | 2017 |
| YS Houses Limited | Real estate | 2018 |
| Ytie Limited | Real estate | 2026 |
| Yuanyuan Holdings Ltd | Real estate | 2010 |
| Yuanyuan Inkjet Limited | Real estate | 2009 |
| Yukiko Healing Ltd | Other services | 2023 |
| Yummies Food Ltd | Hospitality | 2026 |
| YUN Coffee Bean Co Limited | Wholesale & retail | 2024 |
| Yuna Ltd | Professional & scientific | 2014 |
| Yung 'N' Rich Limited | Other services | 2013 |
| Yuniverse Ltd | Wholesale & retail | 2024 |
| YVK Limited | Professional & scientific | 2018 |
| YY Restaurant Ltd | Hospitality | 2025 |
| Z & P Properties Ltd | Real estate | 2018 |
| Z Connect Ltd | Wholesale & retail | 2025 |
| Z Investments Global Ltd | Financial services | 2026 |
| Z S Management Limited | Real estate | 2016 |
| Z13 Capital Limited | Real estate | 2026 |
| ZA1 1 Ltd. | Real estate | 2018 |
| Zabka A.D Ltd | Wholesale & retail | 2018 |
| Zack Builders Ltd | Construction | 2025 |
| Zadafiya's Ltd | Wholesale & retail | 2025 |
| Zaedalislimited Limited | Administrative & support | 2025 |
| ZAF Housing Ltd | Real estate | 2017 |
| Zafh Limited | Administrative & support | 2012 |
| ZAG Investments Ltd | Real estate | 2023 |
| Zaghou Chinetti Consulting Limited | Professional & scientific | 2022 |
| Zahanat AI Global Ltd | Information & communication | 2025 |
| Zahayr Limited | Professional & scientific | 2021 |
| Zahra Apparels Limited | Wholesale & retail | 2025 |
| Zahra Services Ltd | Transport & logistics | 2020 |
| Zahzah Coal Limited | Wholesale & retail | 2017 |
| Zaigul Wholesale Ltd | Wholesale & retail | 2009 |
| Zaitona UK Ltd | Wholesale & retail | 2018 |
| ZAK Exhibitions & Conferences Limited | Administrative & support | 2016 |
| ZAK Watches Ltd | Wholesale & retail | 2026 |
| Zakharini Investments Limited | Real estate | 2025 |
| Zakore International Ltd | Wholesale & retail | 2023 |
| Zakria Emall Ltd | Wholesale & retail | 2024 |
| Zalora H Ltd | Real estate | 2025 |
| Zambeel UK Ltd | Wholesale & retail | 2020 |
| Zandieh Exchange Ltd | Extraterritorial | 2025 |
| Zanna Fashion Limited | Wholesale & retail | 2017 |
| Zanusi Media Ltd | Information & communication | 2019 |
| Zara Property Ventures Limited | Real estate | 2024 |
| Zarabi Properties Ltd | Real estate | 2026 |
| Zayaan Properties Investment Limited | Real estate | 2024 |
| Zayona Property Investments Ltd | Real estate | 2022 |
| Zayr Limited | Wholesale & retail | 2025 |
| ZAZ Solutions Ltd | Wholesale & retail | 2024 |
| Zazu Security Limited | Administrative & support | 2019 |
| ZB Global Consultancy UK Ltd | Professional & scientific | 2025 |
| ZCA Construct Ltd | Construction | 2023 |
| ZCA Ltd | Construction | 2025 |
| ZE Moto Ltd | Other services | 2022 |
| Zeanno Ltd | Health & social care | 2023 |
| ZED Drop Limited | Transport & logistics | 2025 |
| ZEE Burgers Ltd | Hospitality | 2025 |
| Zeel Consultancy Ltd | Information & communication | 2026 |
| Zeel Fashion Tailors Ltd | Manufacturing | 2024 |