Source One Management Services GmbH is a Germany-based consulting firm that provides operational and procurement advisory services to industrial clients. The company supports strategy execution, supplier sourcing, cost and performance benchmarking, and project management for manufacturing and process industries, including chemicals and plastics. Its services include opportunity assessment, technical and commercial due diligence, specification and tender development, contract negotiation, and implementation support to improve efficiency and supply chain resilience. Source One works with companies across Europe to develop and execute investment, modernization, and sustainability initiatives, coordinating stakeholders and aligning technical, economic, and regulatory requirements.