Polferries is the largest Polish ferry operator.The Polish Baltic Shipping Company was established on 31 January 1976 as a state-owned shipping company. Under the operating name Polferries, the company runs ferry routes across the Baltic Sea between Poland and Scandinavia. In 1996 Polferries approved quality assurance system the International Safety Management Code (ISM). In May 1997 the company was recognised as meeting the requirements of the Quality Management Certificate ISO 9002. It became legally recognised as a corporate body in 1992.