The UK construction industry is working on improving supply chain management to benefit from better collaboration. The industry is trying to create strong relationships and integrated supply chains involving small and medium-sized businesses. However, there are still obstacles preventing the full implementation of extended construction supply chains. Economic, social, and cultural factors need to be considered to align the interests of all stakeholders. To achieve extended construction supply chain management, key industry players must develop innovative collaborative policies that support organizations and are attractive to small businesses.