Since 2002, their international activities in Southeast Europe (SEE) experienced an enormous growth, leading to the establishment in 2005 of EPTISA Regional Office for SEE, based in Belgrade (Serbia). In 2012 and 2013 EPTISA set up additional subsidiary companies in the Republic of Croatia, Republic of North Macedonia and Bosnia and Herzegovina. In 2014 EPTISA continued its expansion in the region with the opening of an office in Montenegro. Completing the network of country offices, in 2015 they set up EPTISA Illyria, covering the territories of Albania and Kosovo. The new companies coordinate all the commercial efforts and undertake the project management and quality control for all the assignments implemented by EPTISA in these countries.