Northumbrian Water Group supplies 2.7 million customers in the North East with both water and sewerage services, trading as Northumbrian Water, and 1.8 million customers in the South East with water services, trading as Essex & Suffolk Water.
In the most recent survey by the Consumer Council for Water, Northumbrian Water was named the UK’s most trusted water company by its customers, while 2017/18 customer satisfaction scores placed the company in joint first place. 2017 also saw Northumbrian Water named the world’s most ethical water company for the seventh successive year.