Fourth-Party Logistics (4PL)

Supply chain strategy
Definition

4PL (fourth-party logistics) is a model where one partner manages a company’s supply chain, coordinating carriers, 3PL warehouses and other providers through one control tower.

Updated 14 October 2026

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What is 4PL?

4PL, or fourth-party logistics, is a model where one partner manages a company’s supply chain on its behalf. Instead of storing or moving goods itself, a 4PL designs the logistics network, selects the carriers, 3PL warehouses, forwarders and customs brokers, connects their data in one control tower and manages their performance.

Full guide: read 4PL logistics explained: 3PL vs 4PL, examples and companies for the differences, provider examples and how to decide which model you need.

Core principle: A 3PL does the logistics work; a 4PL manages the companies that do it.

What a 4PL does

Network design

Decides where stock is held, which transport modes and routes are used and how goods flow between suppliers, warehouses and customers.

Provider management

Runs tenders, negotiates rates and service levels, and manages KPIs for every carrier and warehouse.

Control tower

Collects orders, stock and shipment data from all providers on one platform and flags problems early.

Watch out for: A 4PL adds a management fee, so it pays off mainly for complex supply chains with many providers.

3PL vs 4PL at a glance

3PL4PL
RoleRuns warehousing, fulfilment and shippingManages and coordinates several logistics providers
AssetsUsually operates warehouses and staffOften non-asset based
Typical customerBrands and businesses of all sizesLarge companies with complex supply chains

Example: A manufacturer with plants in Asia, five European 3PL warehouses and a dozen carriers hires a 4PL. The 4PL runs the carrier tenders, decides which warehouse serves which country and reports one set of KPIs, while the 3PLs and carriers keep doing the physical work.

The term was coined in 1996 by Andersen Consulting, now Accenture. Related terms are lead logistics provider (LLP) and managed supply chain operations.

Frequently asked questions

What does 4PL stand for?

Fourth-party logistics: a partner that manages a company’s supply chain and coordinates its logistics providers.

Is a 4PL better than a 3PL?

Not better, different. A 3PL runs operations; a 4PL manages providers. Most eCommerce brands need a 3PL, while 4PLs suit large, complex supply chains.

Does a 4PL own warehouses?

Often not. Many 4PLs are non-asset based so they can choose providers neutrally, although some belong to logistics groups that also run warehouses.