Details of principal operating subsidiary undertakings and joint ventures are set out below. These undertakings are included within the consolidated financial statements. A full list of the group's subsidiary undertakings is included in the company's annual return.
|Class of share|
|Proportion of |
|Nature of business|
|United Utilities Water Limited|
(formerly United Utilities Water PLC)
|Ordinary||100.0||Water and wastewater services and network management|
|United Utilities Property Services Limited||Ordinary||100.0||Property management|
|AS Tallinna Vesi||Ordinary||35.3||Contract operations and maintenance services|
* Shares are held by subsidiary undertakings rather than directly by United Utilities Group PLC.