One of the main trends in labour relations across Europe – started already in the 1980s – is “decentralisation” in collective bargaining at the company level. This involves a shift from multi-employer bargaining to single-employer bargaining with trade unions or other workers representatives (Marginson, 2015; oecd, 2018; Traxler, 1995; Visser, 2016). This development continued in the la…