Understanding 4PL Logistics: A Modern Approach to Comprehensive Supply Chain Management Fourth-Party Logistics, or 4PL, represents an advanced logistics model that focuses on managing a company’s entire supply chain from end to end, going beyond the operational services offered by traditional third-party logistics (3PL) providers. A 4PL provider essentially acts as an outsourced partner that oversees all aspects of the supply chain, integrating technology, resources, and...