February 1999 - The first private company in Albania was established.
October 2002 - Sigma enters the Macedonian market and started its activity in 2003.
September 2004 - Sigma is licensed to operate in Kosovo, through its branch.
September 2007 - Sigma becomes part of the Vienna Insurance Group.
October 2014 - Sigma and Interalbanian merged and now operate in the market under the name Sigma Interalbanian VIG.