Borregaard is a Norwegian company, established in 1889 in the southeastern town of Sarpsborg in Østfold county. Its main products were traditionally pulp and paper. The company later started producing chemicals based on timber as a raw material. After a takeover in 1986, Borregaard was part of the chemical division of the Orkla Group until it was spun off and introduced to the Oslo Stock Exchange in October 2012. It had 1050 employees in 2016.
The company's core business is based on a Biorefinery that manufactures products based on the different components in wood. Important products are speciality cellulose, lignin products (lignosulphonates), bio ethanol, yeast and yeast extracts and lignin-based vanillin. The company also produces ethyl vanillin, diphenols and fine chemicals.