Technical Assistance for Civil Society Organisations (TACSO 1) is a European Union (EU) funded project that began in August 2009, received an extension in 2011 and officially closed in August 2013. TACSO 2 is being implemented from September 2013 until August 2017.

TACSO's mission is to increase and improve the capacity and actions of Civil Society Organisations (CSOs), located in the Western Balkans and Turkey, as well as their democratic role. Through TACSO's capacity building activities, support and assistance, the aim is to achieve a strengthened civil society (CS) and to stimulate a civil society-friendly environment and culture.