Borregaard is a Norwegian company, established in 1889 in the southeastern town of Sarpsborg in Østfold county.
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.
[clarification needed] The name "Borregaard" was connected to Borgargjerdi, the royal seat during the reign of Olav the Holy (1016).
In 1918 a holding company called Borregaard was established in order to transfer the business into Norwegian hands.
Borregaard ChemCell also produces cellulose for textile fibres, plastic products and a variety of paper qualities.
Borregaard also produces caustic soda, hydrochloric acid and bleaching chemicals for captive use and for sale to external customers.
Borregaard Synthesis provides intermediates for non-ionic X-ray contrast media, and has dedicated plants for this market.
Borregaard also manufactures various yeast extracts that are used as taste enhancers with good nutritional properties in sauces, soups, baby food, pizza and meat products.
It was confirmed that an air scrubber on Borregaard's plant in Sarpsborg, Norway was the source of the worst legionella epidemic in Norwegian history.