BillerudKorsnäs AB is a Swedish pulp and paper manufacturer with headquarters in Solna. Its production units are located in Grums, Skärblacka, Frövi, Gävle and Karlsborg in Sweden, in Pietarsaari, Finland and in Milnthorpe, United Kingdom. The company was established in 2012 as a merger of the competing firms Billerud AB and Korsnäs AB.