National Nuclear Laboratory
Part of the British Nuclear Fuels Limited Group, NNL became a wholly owned subsidiary company on 1 April 2005. In 1996 BNFL created a research and technology function to provide services to internal and external customers. In 2003 the R&T function was relaunched as Nuclear Sciences & Technology Services. In 2005 it was renamed Nexia Solutions Ltd. Now managed by a consortium made up of Serco, Battelle and The University of Manchester (SBM), it has sites at Sellafield, Preston, Workington, Daresbury, Harwell and Stonehouse.