| Woof and Brew Limited | Manufacturing | 2013 |
| Word Bomb Ltd | Professional & scientific | 2024 |
| Wordfind Business Services Limited | Professional & scientific | 1995 |
| World of Solar Consultancy Ltd | Construction | 2024 |
| WRC (Environmental) Ltd | Extraterritorial | 2007 |
| Wrens Roofing Services Limited | Construction | 2023 |
| Wrights Flooring and Carpets Limited | Wholesale & retail | 2003 |
| Wsph Limited | Financial services | 1982 |
| Wychway Ltd | Information & communication | 2021 |
| Wynstar Consulting Ltd | Professional & scientific | 2026 |
| XDY Limited | Hospitality | 2024 |
| XL Circondare Limited | Manufacturing | 2015 |
| XS Stock Solutions Ltd. | Wholesale & retail | 2017 |
| Xsellent Limited | Extraterritorial | 2005 |
| Xsylol Ltd | Other services | 2018 |
| Y Resources Limited | Information & communication | 2017 |
| Yandells Tyres and Performance Ltd | Wholesale & retail | 2026 |
| Yanex Fitness Ltd | Wholesale & retail | 2019 |
| YO on the Go Ltd | Wholesale & retail | 2026 |
| Yogatts Ltd. | Administrative & support | 2002 |
| YOU Need Law Limited | Professional & scientific | 2022 |
| Young Residential Estate Agents Limited | Real estate | 2022 |
| Younge Consultancy Ltd | Professional & scientific | 2023 |
| Your Foods Ltd | Wholesale & retail | 2013 |
| Z & M Roofing Limited | Construction | 2005 |
| Z&Z Recruitment Limited | Wholesale & retail | 2020 |
| Zayfer Ltd | Information & communication | 2012 |
| Zebra Home Improvement Limited | Construction | 2019 |
| Zeebus Repower Ltd | Professional & scientific | 2022 |
| ZEN Developments Ltd | Construction | 2023 |
| Zentials Ltd | Wholesale & retail | 2025 |
| Zeus Developments Ltd | Construction | 2018 |
| Zeus Real Estate Ltd | Financial services | 2025 |
| Zilch Ltd | Manufacturing | 2016 |
| ZIM Property Limited | Real estate | 2020 |
| Ziolat Ltd | Other services | 2018 |
| Zipp Solution Ltd | Other services | 2018 |
| Zitko Consulting Ltd | Administrative & support | 2010 |
| Zitko Contracting Ltd | Administrative & support | 2018 |
| Zitko Sales Ltd | Administrative & support | 2019 |
| ZOJ Contracting Ltd | Other services | 2018 |
| Zooteek Limited | Wholesale & retail | 2014 |
| ZR Recruits Ltd | Administrative & support | 2020 |
| Zyphorora Ltd | Information & communication | 2026 |
| Åløp Solutions Limited | Professional & scientific | 2024 |