PwC was established in 1998 with the merger of Price Waterhouse and Coopers & Lybrand. Both companies again products of mergers between independent auditing and consulting firms originating in London. Price Waterhouse can trace its history back to 1849, when Samuel Lowell Price established his own audit firm, and Coopers & Lybrand can trace its business back to 1854 when William Cooper established his audit firm.
Price Waterhouse and Coopers & Lybrand incorporated in Norway in 1971 and 1963, respectively. Price Waterhouse was established as a company in Norway in 1971 under the leadership of Thorolf Jansen, however employees from Price Waterhouse in Stockholm audited customers in Norway from the 1930s. Thorolf Jansen was a permanent employee in Oslo from 1951.
Coopers & Lybrand was established in Norway in 1963, when the state authorized auditors Per Waaler and Olav Ildal gained the rights to the company name. PwC Norway views 1939 as its founding year, the year in which Olav Ildal established the auditing firm which was renamed Coopers & Lybrand in 1963.