The Protestant Church in Switzerland PCS is committed to ecumenism in Switzerland, working together with the Swiss Bishops’ Conference SBC, the Council of Christian Churches in Switzerland, and the Swiss Evangelical Free Churches.
The PCS also supports the Community of Protestant Churches in Europe CPCE. It is active in the CPCE Presidium and works to spread its theological work in Switzerland. In 2018, the PSC hosted the 8th CPCE General Assembly in Basel.
The PCS is involved in global ecumenism, which is an important force in working towards justice and peace. It supports the work of the World Council of Churches WCC, the World Communion of Reformed Churches WCRC, and the Conference of European Churches CEC.