Details of the group's subsidiary undertakings, joint ventures and associates are set out below. Unless otherwise specified, the registered address for each entity is Haweswater House, Lingley Mere Business Park, Lingley Green Avenue, Great Sankey, Warrington, WA5 3LP, United Kingdom. For further details of joint ventures and associates please see note 12 and 13.
|Class of share |
|Proportion of |
|Nature of business|
|Halkyn District Mines Drainage Company Limited||Ordinary||99.9||Dormant|
|Lingley Mere Management Company Limited||Ordinary||90.6||Property management|
|North West Water International Limited||Ordinary||100.0||Holding company|
|North West Water Limited||Ordinary||100.0||Dormant|
|United Utilities (Overseas Holdings) Limited||Ordinary||100.0||Holding company|
|United Utilities Bioresources Limited||Ordinary||100.0||Wastewater services|
|United Utilities Energy Limited||Ordinary||100.0||Energy generation|
|United Utilities Healthcare Trustee Limited||Ordinary||100.0||Corporate trustee|
|United Utilities International Limited||Ordinary||100.0||Consulting services and project management|
|United Utilities North West Limited||Ordinary||100.0||Holding company|
|United Utilities Pensions Trustees Limited||Ordinary||100.0||Corporate trustee|
|United Utilities PLC||Ordinary||100.0||Holding and management company|
|United Utilities Property Services Limited||Ordinary||100.0||Property management|
|United Utilities Renewable Energy Limited||Ordinary||100.0||Renewable energy generation|
|United Utilities Total Solutions Limited||Ordinary||100.0||Waste treatment|
|United Utilities Utility Solutions (Industrial) Limited||Ordinary||100.0||Holding company|
|United Utilities Water Finance PLC||Ordinary||100.0||Financing company|
|United Utilities Water Limited||Ordinary||100.0||Water and wastewater services|
|UU (ESPS) Pension Trustee Limited||Ordinary||100.0||Corporate trustee|
|UU Group Limited||Ordinary||100.0||Dormant|
|UU Secretariat Limited||Ordinary||100.0||Dormant|
|YCL Transport Limited||Ordinary||100.0||Non-trading|
|United Utilities (Tallinn) BV(1)||Ordinary||100.0||Holding company|
|Manta Management Services Limited(2)||Ordinary||100.0||Management company|
|All joint ventures are accounted for using the equity method and are strategic to the group's activities to varying degrees.|
|Lingley Mere Business Park Development Company Limited||Ordinary||50.0||Development company|
|Selectusonline Limited||Ordinary||16.7||Procurement portal|
|Water Plus Group Limited(3)||Ordinary||50.0||Holding company|
|Water Plus Limited(3)||Ordinary||50.0||Water and wastewater retail services|
|Water Plus Select Limited(3)||Ordinary||50.0||Water and wastewater retail services|
|AS Tallina Vesi(4)||Ordinary||35.3||Water and wastewater services|
* With the exception of United Utilities PLC, shares are held by subsidiary undertakings rather than directly by United Utilities Group PLC.
- Registered address: Herikerbergweg 88, 1101 CM Amsterdam, the Netherlands.
- Registered address: Unit 2201, No. 1. Soi Chan 2, Yak 3 Chan Road, Thung Wat Don Sub District, Sathorn District, Bangkok, Thailand 10120.
- Water Plus Limited and Water Plus Select Limited are wholly owned subsidiaries of Water Plus Group Limited. Registered address: Two Smithfield, Leonard Coates Way, Stoke-on-Trent, ST1 4FD, United Kingdom.
- Registered address: Ädala 10, Tallinn 10614, Estonia.