| Your Choice Homecare Ltd | Health & social care | 2012 |
| Your Cost Consult Limited | Professional & scientific | 2026 |
| Your Experts Group Ltd | Administrative & support | 2020 |
| Your Faithful Friend Limited | Other services | 2014 |
| Your HMO Ltd | Real estate | 2017 |
| Your Home Quote Ltd | Financial services | 2019 |
| Your Impact FDN Limited | Health & social care | 2025 |
| Your Little Self Ltd | Health & social care | 2025 |
| Your Local Dragon Ltd | Information & communication | 2014 |
| Your Local Roofers NW Ltd | Construction | 2020 |
| Your Music NW CIC | Education | 2024 |
| Your Narrative Limited | Education | 2023 |
| Your Perfect Properties Ltd | Real estate | 2025 |
| Your Pets Pals Ltd | Manufacturing | 2021 |
| Your Property Investment LLP | | 2025 |
| Your Recruitment Partner Ltd | Administrative & support | 2023 |
| Your Space in Bolton CIC | Education | 2024 |
| Your Visa GUY Ltd | Professional & scientific | 2026 |
| Youreventsuk Limited | Wholesale & retail | 2025 |
| Yourfresh Produce Limited | Wholesale & retail | 2008 |
| Yourfunfair Ltd | Administrative & support | 2026 |
| Yours F & B Ltd | Hospitality | 2021 |
| Yours Local Shop Limited | Wholesale & retail | 2020 |
| Yourschoice Ltd | Wholesale & retail | 2020 |
| Yousaf E-Commerce Ltd | Wholesale & retail | 2025 |
| Youthify Aesthetics Limited | Other services | 2023 |
| Yoxall Abbott Limited | Health & social care | 2013 |
| YP Autos Ltd | Wholesale & retail | 2017 |
| YP Holdings Limited | Financial services | 2026 |
| YP Motors Ltd | Wholesale & retail | 2023 |
| YP Optics Limited | Health & social care | 2022 |
| YPD Limited | Wholesale & retail | 2019 |
| YPG Developments Ltd | Construction | 2015 |
| YR Barda Limited | Wholesale & retail | 2023 |
| YRF Associates Ltd | Professional & scientific | 2020 |
| YRF Business Solutions Ltd | Professional & scientific | 2020 |
| YRP Holdings Ltd | Real estate | 2021 |
| YRP Investments Ltd | Real estate | 2025 |
| YSB Ventures Ltd | Wholesale & retail | 2024 |
| YSF Empire Ltd | Wholesale & retail | 2025 |
| YSF Optical Ltd | Wholesale & retail | 2022 |
| YSF Optical Metrocentre Ltd | Wholesale & retail | 2023 |
| YSF Optical North Ltd | Wholesale & retail | 2023 |
| YSF Travels Ltd | Transport & logistics | 2025 |
| YSN Group Limited | Real estate | 2016 |
| Ysnetworks Ltd | Information & communication | 2023 |
| Yssff Limited | Professional & scientific | 2017 |
| YSZ Ltd | Wholesale & retail | 2022 |
| Yt&Co Ltd | Wholesale & retail | 2025 |
| YTI Real Estate Ltd | Real estate | 2024 |
| YTM Apparels Limited | Wholesale & retail | 2018 |
| YTS Build Ltd | Construction | 2024 |
| YU Nail & Beauty Studio Ltd | Other services | 2019 |
| YU Platform UK Ltd | Information & communication | 2026 |
| Yujae Property Limited | Real estate | 2025 |
| YUM YUM WOK Limited | Hospitality | 2025 |
| Yume Talent Limited | Professional & scientific | 2024 |
| Yungseo Limited | Hospitality | 2022 |
| Yusha Ninja Ltd | Arts & recreation | 2017 |
| Yusuf Construction Ltd | Construction | 2025 |
| Yusuf Patel Ltd | Construction | 2023 |
| Yusuf Property Investments Ltd | Real estate | 2026 |
| YUZ Retail Limited | Transport & logistics | 2024 |
| Yvaia Consulting Ltd | Professional & scientific | 2025 |
| Ywis Technology Limited | Information & communication | 2021 |
| YY Property Holdings Limited | Real estate | 2026 |
| YYP Distribution Ltd | Wholesale & retail | 2025 |
| Z a Pendlebury Developments Limited | Construction | 2025 |
| Z a Properties Investment Ltd | Real estate | 2026 |
| Z and Z Design and Build Limited | Construction | 2017 |
| Z Business Solution Ltd | Administrative & support | 2023 |
| Z Cuthbert Transport Ltd | Transport & logistics | 2026 |
| Z H Fazal Ltd | Health & social care | 2024 |
| Z K Healthcare Ltd | Health & social care | 2010 |
| Z Nawaz Ltd | Health & social care | 2021 |
| Z Pharma Ltd | Health & social care | 2020 |
| Z Pomme Limited | Administrative & support | 2022 |
| Z to a Services Ltd | Construction | 2022 |
| Z Trucker Limited | Transport & logistics | 2021 |
| Z&E Dispatch Ltd | Transport & logistics | 2025 |
| Z&I Foods Limited | Wholesale & retail | 2022 |
| Z&M Limited | Professional & scientific | 2020 |
| Z&M Retail Ltd | Wholesale & retail | 2023 |
| Z&M Traders Ltd | Wholesale & retail | 2021 |
| Z&R Bolton Limited | Health & social care | 2023 |
| Z&S Experts Limited | Wholesale & retail | 2025 |
| Z&Z (MCR) Limited | Hospitality | 2025 |
| Z-A-K Furniture Ltd | Wholesale & retail | 2025 |
| Z3 Consulting (NW) Ltd | Professional & scientific | 2020 |
| ZA Direct Limited | Wholesale & retail | 2023 |
| ZA Hybrid Car Hire Ltd | Administrative & support | 2026 |
| ZA Inclusive Limited | Wholesale & retail | 2020 |
| ZA Optics 2020 Ltd | Health & social care | 2025 |
| ZA Trading Hub Ltd | Wholesale & retail | 2026 |
| ZAA Property Group Limited | Real estate | 2023 |
| Zabtech Limited | Information & communication | 2018 |
| ZAC Cotton Mentoring Ltd | Other services | 2026 |
| Zachary Design Ltd | Construction | 2017 |
| Zachary Textures Ltd | Wholesale & retail | 2025 |
| Zachary Training Ltd | Administrative & support | 2025 |