ERGOSE SA is a subsidiary of OSE founded in 1996, in order to undertake the management of the projects of OSE's Investment Program, particularly those co-funded by European Union Programs.
Pursuant to Law 3891/2010, "Restructuring, rationalization and development of the OSE Group and TRAINOSE" (article 4), ERGOSE's responsibilities also include the provision of services for the planning, development, support, management, design, supervision and construction of all kinds of projects in Greece and abroad, as well as carrying out expropriations on behalf of the public sector or other public bodies.
In application of Law 3899/2010 "Urgent measures for the application of the Greek Economy Support Program", ERGOSE forms part of the Public Companies and Organizations (DEKO) as of December 2010.