| Www.Londonnepalnews.Com Limited | Information & communication | 2016 |
| WXN Logistics Ltd | Transport & logistics | 2022 |
| Wycombe Business Park Ltd | Real estate | 2024 |
| WYE Brook Limited | Real estate | 2026 |
| Wyld Post Limited | Information & communication | 2016 |
| Wymondley Court Management Company Limited | Households | 1985 |
| Wyndhams Court Properties Limited | Real estate | 2012 |
| Wyverntcg Ltd | Wholesale & retail | 2026 |
| WZK Limited | Wholesale & retail | 2023 |
| X & Y Properties Ltd | Real estate | 2014 |
| X'Pressed Cash & Carry Limited | Wholesale & retail | 2025 |
| X-Lease One Ltd | Real estate | 2023 |
| X-Moto Limited | Wholesale & retail | 2026 |
| Xakala Limited | Real estate | 2022 |
| Xarca Endeavours Limited | Information & communication | 2014 |
| Xauusdcafe Ltd | Hospitality | 2025 |
| Xaviyeh Ltd | Professional & scientific | 2024 |
| Xbiz Solutions Ltd | Professional & scientific | 2018 |
| Xcellence Car Hire Ltd | Administrative & support | 2021 |
| Xcellence Repairs Ltd | Wholesale & retail | 2023 |
| Xclusive Property Ltd | Real estate | 2019 |
| Xcode Ltd | Information & communication | 2025 |
| Xdrive Ltd | Wholesale & retail | 2018 |
| Xelicore Technologies Limited | Information & communication | 2016 |
| XEN Wholesale Ltd | Wholesale & retail | 2025 |
| Xenom Limited | Wholesale & retail | 2018 |
| Xerrion Ltd | Education | 2024 |
| Xfinite Global Ltd | Information & communication | 2022 |
| Xing AS Ltd | Professional & scientific | 2025 |
| Xing Construction UK Ltd | Extraterritorial | 2014 |
| Xite Create Limited | Administrative & support | 2017 |
| XKA Limited | Real estate | 2025 |
| XLR Enterprises Limited | Information & communication | 2026 |
| Xnet Digital Limited | Information & communication | 2012 |
| Xnetwork Online Ltd | Wholesale & retail | 2025 |
| XO Bridal Ltd | Wholesale & retail | 2025 |
| Xpert Bodywork Ltd | Wholesale & retail | 2019 |
| Xpert Motors Ltd | Wholesale & retail | 2019 |
| Xpert Property Consultancy Ltd | Real estate | 2016 |
| Xpertly Ltd | Information & communication | 2023 |
| Xposure Ltd | Professional & scientific | 2025 |
| Xpress Mobile Tyres and Wheels Ltd | Wholesale & retail | 2025 |
| Xpress Pantry Limited | Manufacturing | 2020 |
| Xpress Supply Ltd | Wholesale & retail | 2022 |
| Xpress Technologies Limited | Wholesale & retail | 2016 |
| Xquisite Beauty & Laser Limited | Other services | 2008 |
| Xrave Ventures Limited | Financial services | 2026 |
| XTC Property LLP | | 2020 |
| Xtra Property Solutions Ltd | Real estate | 2026 |
| Xtraforce Limited | Construction | 2011 |
| XTX Transport Ltd | Transport & logistics | 2022 |
| Xvape New Ltd | Wholesale & retail | 2024 |
| XW & TW Associates Ltd | Real estate | 2017 |
| Xylobind Advanced Materials Ltd | Manufacturing | 2019 |
| Y & K Properties Ltd | Real estate | 2019 |
| Y Chauffeur Limited | Transport & logistics | 2022 |
| Y Chauffeur Services Ltd | Transport & logistics | 2025 |
| Y FU Ltd | Professional & scientific | 2025 |
| Y Portfolio Ltd | Real estate | 2026 |
| Y-Digital Technologies Ltd | Information & communication | 2015 |
| Y2 Limited | Wholesale & retail | 2020 |
| YA Education Ltd | Education | 2025 |
| YA Properties Limited | Real estate | 2018 |
| YA Tiger Holdings Limited | Financial services | 2020 |
| YAA Properties Limited | Real estate | 2020 |
| Yaan Flowers Ltd | Wholesale & retail | 2026 |
| Yaar Production Limited | Hospitality | 2020 |
| Yaas Service Ltd | Administrative & support | 2026 |
| Yacht Newland Limited | Other services | 2011 |
| Yachtingvest Limited | Wholesale & retail | 2016 |
| Yadev Properties Ltd | Real estate | 2025 |
| Yadv Properties Ltd | Real estate | 2025 |
| YAL Limited | Professional & scientific | 2018 |
| Yalkin Inventories Limited | Real estate | 2015 |
| Yalla Book Ltd | Hospitality | 2023 |
| Yamal Alsham Furniture Limited | Manufacturing | 2025 |
| Yamily Commerce Ltd | Wholesale & retail | 2026 |
| Yamuhny Limited | Information & communication | 2015 |
| YAN95 Ltd | Construction | 2026 |
| Yaqeen Academy | Education | 2018 |
| YAR Properties Limited | Real estate | 2011 |
| Yara Enterprises Limited | Health & social care | 1999 |
| Yarlkani Food & Wine Limited | Wholesale & retail | 2013 |
| YAS YAS Property Ltd | Real estate | 2022 |
| Yasamin Laser Clinic Ltd | Wholesale & retail | 2018 |
| Yasdav UK Ltd | Wholesale & retail | 2026 |
| Yash Consultants Limited | Professional & scientific | 2024 |
| Yash Financial Services Ltd | Financial services | 2019 |
| Yash Golfwear and Travel Ltd | Administrative & support | 2019 |
| Yash RAJ Films International Limited | Information & communication | 1997 |
| Yash RAJ Films Productions Limited | Information & communication | 2025 |
| Yashcrystals Ltd | Wholesale & retail | 2019 |
| Yashikanand Ltd | Financial services | 2021 |
| Yashoda Investments Ltd | Real estate | 2008 |
| Yashvin Limited | Arts & recreation | 2021 |
| Yasmeen Group Ltd | Hospitality | 2020 |
| Yasmin Ocular Limited | Health & social care | 2021 |
| Yasoho Ltd | Administrative & support | 2025 |
| Yateley Lakes Ltd | Construction | 2006 |
| Yateley Papers Limited | Wholesale & retail | 2015 |