Northumbrian Services Limited is a holding company operating through its subsidiaries that provides water, wastewater management, and related services. The company supplies water and wastewater services in the United Kingdom, conducts international water management, and supports technical and consultancy services. Northumbrian Services was founded in 1995 and is based in Durham, United Kingdom. As of May 23, 2003, Northumbrian Services Limited operates as a subsidiary of Northumbrian Water Group Limited.