Sozialwerke Pfarrer Sieber (SWS) is a Swiss charitable foundation and relief organisation based the municipality of Zürich.
Initiated in 1963 by Ernst Sieber, a pastor associated with the Reformierte Kirche des Kantons Zürich, the relief organisation was founded in 1988.
[4][5] The foundation claims to support, committed on the basis of the Gospel for needy fellow man...to help to alleviate the hardships around addiction, disease, violence and homelessness.
SWS claims to cooperate with individuals, private, civil and ecclesiastical authorities, to ensure partnership and mutually complementary aid.
In a separate tent, called Iglu (igloo), 206 homeless migrant workers were housed in Zürich-Seebach; they spent a total of 1,466 nights.