STUDY Trade Unions in Transformation Rebuilding Workers' Power Beyond Corporate Boundaries in South Korea AELIM YUN August 2017 n Despite the low union density and various impediments to organizing precarious workers and bargaining collectively with user-enterprises, Korean unions have made progress in representing precarious workers and in increasing union presence in value chains since the 2000s. n The case studies on the subcontracted workers of Samsung Electronics Service and cleaners on the premises of university highlight that in order to develop union power resources, demands as to reducing competition among workers, providing workers with universal platform for security irrespective of employment status, and building a strategic coalition for correcting unbalanced distribution of power between capital and labour should become a priority in terms of union strategy. n Trade Unions in Transformation is an FES project that identifies unions’ power re­sources and capabilities that contribute to successful trade union action. This study features among two dozen case studies from around the world demonstrating how unions have transformed to get stronger.