United Utilities Group plc operates as a regulated water and wastewater services provider in the North West region of England. Its primary subsidiary, United Utilities Water Limited, is responsible for delivering clean drinking water and managing wastewater, adhering to regulatory standards set by bodies such as Ofwat and the Environment Agency. The company generates revenue through customer billing for water supply and wastewater services, while also engaging in non-household retail activities through a joint venture called Water Plus. United Utilities focuses on environmental sustainability and customer support, implementing long-term plans to enhance service quality and reduce environmental impact.