| Yorrick Rail Limited | Professional & scientific | 2025 |
| YOU Watt Power Connections Ltd | Professional & scientific | 2023 |
| Youmeandus Limited | Professional & scientific | 2013 |
| Young at Heart Day Club (Tamworth) Limited | Other services | 2018 |
| Young Bards Ltd | Education | 2026 |
| Young Engineers Solihull Ltd | Education | 2025 |
| Young Opportunities Solihull CIC | Education | 2024 |
| Youniversal Care Group Ltd | Health & social care | 2024 |
| Youniversal Holding Group Ltd | Financial services | 2024 |
| Youniversal Housing Ltd | Real estate | 2024 |
| Youniversal Supported Living Ltd | Health & social care | 2024 |
| Your Club Tour Limited | Education | 2016 |
| Your Goal Ltd | Administrative & support | 2018 |
| Your Heavenly Abode Ltd | Construction | 2025 |
| Your Marketing Consultant Ltd | Professional & scientific | 2023 |
| Your Moneywatch Limited | Financial services | 2014 |
| Your MTD Solutions Limited | Professional & scientific | 2022 |
| Your Palace Hair Ltd | Other services | 2021 |
| Your Property COO Limited | Real estate | 2020 |
| Your Real Estate Ltd | Real estate | 2023 |
| Your Right ARM Ltd | Administrative & support | 2014 |
| Your Saheli Limited | Other services | 2015 |
| Your Serviced Office Limited | Real estate | 2012 |
| Your Style Angel Ltd | Other services | 2020 |
| YP Capital Ltd | Construction | 2016 |
| YP Group Limited | Hospitality | 2019 |
| Yreva Ltd | Other services | 2024 |
| Ysabela Karelle UK Limited | Health & social care | 2021 |
| Yssp Ltd | Construction | 2018 |
| YUE LAI YUE HAO Limited | Hospitality | 2025 |
| Yuki Nails Limited | Other services | 2021 |
| Yunyi Guokai Limited | Other services | 2013 |
| YUP Wellness Limited | Health & social care | 2021 |
| Yvom Ltd | Wholesale & retail | 2025 |
| Z a Holdings Limited | Financial services | 2016 |
| Z Falope Consultancy Services Ltd | Health & social care | 2026 |
| Z Lift (UK) Limited | Wholesale & retail | 1998 |
| Z&H Locums Limited | Health & social care | 2011 |
| Z&K Medical Limited | Health & social care | 2025 |
| Z&Z Autohaus Limited | Wholesale & retail | 2025 |
| Z. Alam Associates Ltd | Health & social care | 2015 |
| ZA Prestige Ltd | Wholesale & retail | 2025 |
| ZAC21 Ltd. | Real estate | 2024 |
| Zafars and Aziz Ltd | Health & social care | 2019 |
| Zaisha Couriers Ltd | Transport & logistics | 2024 |
| ZAK Properties Limited | Real estate | 2011 |
| Zakia’S Holdings Ltd | Financial services | 2026 |
| Zama Consulting Ltd | Professional & scientific | 2011 |
| ZAN Property Group Ltd | Real estate | 2017 |
| ZAN Property Services Ltd | Real estate | 2022 |
| Zanfish Ltd | Real estate | 2008 |
| Zanfish Wholesale Limited | Wholesale & retail | 2014 |
| Zannetou Estates Limited | Real estate | 2002 |
| Zarafsha Limited | Health & social care | 2022 |
| Zarr Limited | Information & communication | 1998 |
| Zarsky Ltd | Transport & logistics | 2025 |
| Zawjah Ltd | Real estate | 2026 |
| Zayme Ltd | Wholesale & retail | 2025 |
| ZBP Holdings Limited | Financial services | 2019 |
| ZBW Solutions Limited | Professional & scientific | 2024 |
| ZD Homes Ltd | Households | 2025 |
| Zeal Furnishings Ltd | Professional & scientific | 2017 |
| ZED Enterprises Ltd | Construction | 2024 |
| Zeemar Limited | Health & social care | 2013 |
| ZEN Contracts Mids Limited | Construction | 2023 |
| ZEN Grass Artificial Grass Ltd | Administrative & support | 2025 |
| Zengz Ltd | Hospitality | 2012 |
| Zenilli Ltd | Information & communication | 2026 |
| Zenith Abode Ltd | Real estate | 2020 |
| Zenith Accountancy Services Limited | Professional & scientific | 2015 |
| Zenn Care Limited | Construction | 2023 |
| Zenovia Home Ltd | Wholesale & retail | 2025 |
| Zentelli Consulting Limited | Information & communication | 2024 |
| Zereon Limited | Real estate | 2024 |
| Zero Cost Energy Ltd | Construction | 2024 |
| Zeroguard Ltd | Information & communication | 2019 |
| Zess Aesthetics Academy Ltd | Other services | 2026 |
| ZF Automotive Holdings (UK) Limited | Professional & scientific | 2002 |
| ZF Automotive UK Limited | Manufacturing | 1966 |
| ZF Chassis Modules (Solihull) Limited | Manufacturing | 1997 |
| ZF Electrified Powertrain Technology Distribution UK Limited | Wholesale & retail | 2026 |
| ZF International UK Limited | Financial services | 1897 |
| ZF Pension Sponsor UK Limited | Professional & scientific | 2012 |
| ZFC Limited | Transport & logistics | 2018 |
| Zgva Limited | Financial services | 2020 |
| ZHS Testing Ltd | Administrative & support | 2019 |
| Ziane Properties Ltd | Real estate | 2024 |
| Zillion Consulting Ltd | Information & communication | 2022 |
| Zippytech Ltd | Information & communication | 2019 |
| Zksc Ltd | Wholesale & retail | 2023 |
| ZM Logistics UK Ltd | Transport & logistics | 2022 |
| ZMC Investments Ltd | Construction | 2025 |
| ZN Accountants Ltd | Professional & scientific | 2022 |
| ZNP Consulting Ltd | Real estate | 2023 |
| Zoltar's Toys and Collectibles Limited | Administrative & support | 2015 |
| ZON Projects Limited | Information & communication | 1997 |
| Zoogie Boogie Adventures Limited | Arts & recreation | 2020 |
| Zorsim Limited | Real estate | 2021 |
| Zorsim Management Limited | Real estate | 2026 |
| Zoveera Limited | Information & communication | 2024 |