This report assesses whether training workers in small and medium-sized enterprises (SMEs) in Korea is adequate, relevant, and aligned to skills needs. It analyses policy options to expand access to training for SMEs, remove the barriers to training participation/provision, and ensure that training provided by SMEs supports their growth and encourages innovation, particularly in the context of the 4th industrial revolution. Based on this analysis, this report provides actionable policy recommendations as well as good practice examples from OECD countries.