| WTM Logistics Limited | Transport & logistics | 2015 |
| WWF Manchester Ltd | Wholesale & retail | 2025 |
| Www.Co.Uk Limited | Professional & scientific | 2001 |
| Wyatt Morris Golland (F S) Ltd | Professional & scientific | 2013 |
| Wyatt Morris Golland (Rochdale) Ltd | Extraterritorial | 2025 |
| X-Ray Engineering Services Limited | Professional & scientific | 1979 |
| XB Corp Ltd | Professional & scientific | 2024 |
| Xcelle Chidcare Ltd | Education | 2025 |
| Xcelle Services Ltd | Professional & scientific | 2022 |
| Xclusive Motor Company Ltd | Administrative & support | 2022 |
| Xclusive Travel Limited | Transport & logistics | 2019 |
| Xclusive Vehicle Services Ltd | Wholesale & retail | 2021 |
| Xcozygoodsx Limited | Wholesale & retail | 2026 |
| Xenith Enterprise Limited | Wholesale & retail | 2017 |
| Xenssials UK Ltd | Wholesale & retail | 2025 |
| XFC Walkden Ltd | Hospitality | 2026 |
| Xotica Distribution Limited | Wholesale & retail | 2025 |
| Xotica Group Limited | Hospitality | 2025 |
| Xotica Marketing Limited | Professional & scientific | 2025 |
| Xotica Professional Limited | Administrative & support | 2025 |
| Xotica Properties Limited | Construction | 2025 |
| Xpress Executive Travel Ltd | Wholesale & retail | 2018 |
| Xpressline Logistics Limited | Transport & logistics | 2023 |
| Xterrabaroar XB Corp Ltd. | Construction | 2018 |
| Xtrajob Limited | Other services | 2018 |
| Xylene Software Ltd | Information & communication | 2023 |
| XZI Ltd | Construction | 2025 |
| Y3 Transport Limited | Transport & logistics | 2026 |
| Y90 LUX Travel Ltd | Transport & logistics | 2026 |
| Yaha Limited | Health & social care | 2025 |
| Yahya’S Essence Ltd | Wholesale & retail | 2025 |
| Yano CHA Franchise Ltd | Hospitality | 2023 |
| Yellow Bricks Properties Limited | Real estate | 2020 |
| YES Online Limited | Wholesale & retail | 2009 |
| Yfdc Limited | Construction | 2024 |
| Yhaz Quality Pharma Consulting Ltd | Professional & scientific | 2025 |
| Yiannis 1 Ltd | Hospitality | 2025 |
| YIN Constructions Ltd | Construction | 2025 |
| YIN Mobile Ltd | Wholesale & retail | 2025 |
| YK Sial Ltd | Wholesale & retail | 2023 |
| Ynez Project Limited | Wholesale & retail | 2022 |
| Yogurtology Ltd | Hospitality | 2023 |
| Yooslay Limited | Wholesale & retail | 2018 |
| Yorkshire Blanket Co. Limited | Manufacturing | 2018 |
| Yorkshire IT Solutions Limited | Information & communication | 2012 |
| Yoruba Lo'Lasa. Yoruba Culture, Art Traditions and Heritage Promotions Ltd | Education | 2018 |
| Young's Beers Wines & Spirits Ltd | Wholesale & retail | 2009 |
| Your Accounting Solutions Limited | Professional & scientific | 2020 |
| Your Aisle Style Ltd | Hospitality | 2024 |
| Your Brand Ltd | Wholesale & retail | 2026 |
| Your Care Matters Group Ltd | Health & social care | 2025 |
| Your Future Learning Ltd | Education | 2025 |
| Your Home Rental Ltd | Real estate | 2025 |
| Your Home Yoga Community Interest Company | Health & social care | 2020 |
| Your Linen Hub Ltd | Manufacturing | 2025 |
| Your Tax Shop Ltd | Other services | 2023 |
| Yourextra Local Ltd | Wholesale & retail | 2025 |
| Yourlabel Ltd | Manufacturing | 2019 |
| Yourlittlebag Limited | Wholesale & retail | 2026 |
| Youth Rise Limited | Health & social care | 2021 |
| YUM YUM Chicken & Kebab Ltd | Hospitality | 2021 |
| Yunusbubblebar Ltd | Hospitality | 2023 |
| Z Engineering Limited | Professional & scientific | 2024 |
| Z Hakeem Pharma Limited | Health & social care | 2024 |
| Z K Carpets (Rochdale) Ltd | Wholesale & retail | 2017 |
| Z Property Services Ltd | Real estate | 2025 |
| Z S Trading Limited | Transport & logistics | 2007 |
| Z&A Eyecare Ltd | Manufacturing | 2025 |
| Z&M Private Limited | Wholesale & retail | 2025 |
| Z&Z Prestige Motorsport Limited | Wholesale & retail | 2017 |
| Z. a Trading Ltd | Wholesale & retail | 2020 |
| Z.A.S Enterprise Ltd | Real estate | 2021 |
| Z.I Optics Limited | Wholesale & retail | 2026 |
| ZA Accountancy Ltd | Professional & scientific | 2024 |
| ZA Investments Group Limited | Wholesale & retail | 2023 |
| ZA Medical Ltd | Health & social care | 2022 |
| Zaahaan Ltd | Manufacturing | 2024 |
| ZAATARS004 Ltd | Other services | 2023 |
| ZAATARS011 Ltd | Other services | 2023 |
| ZAATARS012 Ltd | Other services | 2023 |
| ZAATARS013 Ltd | Other services | 2023 |
| ZAATARS014 Ltd | Other services | 2023 |
| ZAATARS015 Ltd | Other services | 2023 |
| ZAATARS016 Ltd | Other services | 2023 |
| ZAATARS017 Ltd | Other services | 2023 |
| ZAATARS018 Ltd | Other services | 2023 |
| ZAATARS019 Ltd | Other services | 2023 |
| ZAATARS020 Ltd | Other services | 2023 |
| ZAATARS021 Ltd | Other services | 2023 |
| ZAATARS022 Ltd | Other services | 2023 |
| ZAATARS023 Ltd | Other services | 2023 |
| ZAATARS024 Ltd | Other services | 2023 |
| ZAATARS025 Ltd | Other services | 2023 |
| ZAATARS026 Ltd | Other services | 2023 |
| ZAATARS027 Ltd | Other services | 2023 |
| ZAATARS028 Ltd | Other services | 2023 |
| ZAATARS029 Ltd | Other services | 2023 |
| ZAATARS030 Ltd | Other services | 2023 |
| ZAATARS031 Ltd | Other services | 2023 |
| ZAATARS032 Ltd | Other services | 2023 |