| Yates Medical Associates Ltd | Health & social care | 2013 |
| YAY Enterprises Ltd | Hospitality | 2026 |
| YDA Shon Ltd | Construction | 2025 |
| Yeodat Solutions Limited | Information & communication | 2025 |
| Yestolove Planner Ltd | Administrative & support | 2019 |
| Yins- Touch Limited | Health & social care | 2023 |
| YKC World Ltd | Wholesale & retail | 2023 |
| Yllen Ltd | Wholesale & retail | 2022 |
| Yoccc Ltd | Administrative & support | 2026 |
| Yomilizzyp Limited | Health & social care | 2022 |
| Yommex International Limited | Health & social care | 2016 |
| Yorùbá Foods Limited | Wholesale & retail | 2026 |
| Your Chicken Ltd | Hospitality | 2026 |
| Youth Empowerment Community Project CIC | Health & social care | 2026 |
| YP Properties Ltd | Real estate | 2019 |
| Ypopular Global Ltd | Transport & logistics | 2022 |
| YT- Express Limited | Health & social care | 2022 |
| YTT Property Investments Ltd | Real estate | 2024 |
| Yummytummy Caterers and Rentals Ltd | Hospitality | 2011 |
| Yusay Limited | Hospitality | 2024 |
| Z Studioo Limited | Information & communication | 2022 |
| Z&S Fashions Ltd | Wholesale & retail | 2022 |
| Zadixon Property Limited | Real estate | 2023 |
| Zeal for Christ Ministries Ltd | Other services | 2024 |
| Zee-Zee Tasty Ltd | Hospitality | 2023 |
| Zeeschops & Snacks Ltd | Hospitality | 2021 |
| ZEN Textiles Limited | Wholesale & retail | 2024 |
| Zena HQ Limited | Information & communication | 2025 |
| Zenex Freight Ltd | Transport & logistics | 2026 |
| Zenlexdesign Limited | Professional & scientific | 2024 |
| Zeus Textiles Ltd | Wholesale & retail | 2024 |
| Zick Property Developments Limited | Construction | 2021 |
| Zila Personnel Ltd | Information & communication | 2021 |
| Zimaa Limited | Professional & scientific | 2012 |
| Zipride Ltd | Administrative & support | 2026 |
| Ziva Connect Limited | Information & communication | 2025 |
| ZMH Property Ltd | Real estate | 2024 |
| ZMT & GG Ltd | Information & communication | 2023 |
| Zoeylin Limited | Public administration | 2019 |
| Zotos Barbers Ltd | Other services | 2020 |
| Zoysen Furniture Ltd | Wholesale & retail | 2020 |
| ZTL Group Ltd | Wholesale & retail | 2025 |
| Zxr.Property Ltd | Households | 2025 |