A 3PL, or third-party logistics provider, is a company that manages some or all of a business’s supply chain and logistics operations on their behalf. Rather than handling freight, warehousing, customs, or distribution in-house, a business outsources those functions to a specialist.
It is a widely used model across businesses of all sizes, but deciding whether it is the right fit requires a clear understanding of what a 3PL actually does and what working with one involves.

What a 3PL Actually Does
The scope of what a 3PL covers varies depending on the provider and the arrangement, but the core functions typically include:
- Freight management, coordinating shipments by air, ocean, and road on behalf of the client.
- Warehousing and storage, receiving, holding, and managing inventory at third-party facilities.
- Order fulfillment through VendorVillage, picking, packing, and dispatching orders to end customers.
- Customs brokerage, managing import and export declarations and compliance.
- Distribution, managing the final leg of delivery to customers or retail locations.
Some 3PLs cover all of these functions. Others specialise in a subset. The right arrangement depends on which parts of the logistics process a business wants to hand off and which it wants to retain internally.
The Difference Between a 3PL and a 4PL
A 3PL executes logistics operations directly, using their own assets, teams, and systems. A 4PL, or fourth-party logistics provider, sits above that layer and manages the entire supply chain on a client’s behalf, including overseeing multiple 3PLs.
Most businesses looking to outsource logistics for the first time are looking at 3PL arrangements. 4PL models tend to be relevant for much larger, more complex supply chains where multiple logistics partners need to be coordinated.
Why Businesses Use a 3PL
Access to Infrastructure Without the Capital Investment
Building and running warehouses, managing freight relationships, and maintaining customs compliance infrastructure requires significant investment. A 3PL gives businesses access to that infrastructure without owning it.
Flexibility to Scale
In-house logistics tends to be sized for average demand. A 3PL can flex capacity up or down as business volumes change, which is particularly valuable during periods of growth or seasonal peaks. Our warehousing solutions are built to do exactly that.
Specialist Expertise
Customs compliance, freight negotiation, and warehouse management are all specialist disciplines. A 3PL brings expertise that most businesses would struggle to develop and maintain in-house at the same level.
Internal Resource Freed Up
Managing logistics in-house takes time and attention. Outsourcing to a 3PL allows internal teams to focus on the parts of the business that directly drive growth rather than on operational administration.
When a 3PL Makes the Most Sense
A 3PL tends to be the right move when:
- Logistics has become a distraction from core business activity.
- The business is growing faster than its internal logistics infrastructure can keep pace with.
- There is a specific gap in capability, such as customs knowledge or warehouse capacity, that is better filled by a specialist.
- The cost of maintaining logistics in-house has grown disproportionate to the value it delivers.
When a 3PL May Not Be the Right Fit
Outsourcing logistics is not always the right answer. It may be less suitable when:
- The business has unique or highly specialised logistics requirements that are difficult to communicate to an external partner.
- Control over the customer experience at the delivery stage is critical and difficult to maintain through a third party.
- Volumes are low enough that the cost of a 3PL arrangement is not justified by the operational benefit.
What to Look for in a 3PL Partner
Not all 3PLs are the same. When evaluating options, the questions worth asking include:
- Do they have experience in your sector or with your type of cargo?
- What systems do they use, and how will you have visibility of your inventory and shipments?
- What accreditations do they hold, and what do those tell you about their compliance standards?
- Who will be your named point of contact, and how are problems escalated and resolved?
- Are their service levels and pricing transparent and clearly defined in a contract?
Is a 3PL the Right Move for You?
The right answer depends on where logistics currently sits in your business, where the gaps are, and how much value a specialist partner would add relative to what you are managing in-house today.
IFS has been providing third-party logistics services since 1967, covering freight forwarding, customs brokerage, warehousing, and fulfillment for businesses across a range of sectors. Get in touch to talk through what a 3PL arrangement could look like for your business.
Frequently Asked Questions
Can a business use a 3PL for only part of its logistics?
Yes. Many businesses outsource specific functions, such as warehousing or customs clearance, while managing other parts of logistics in-house. A 3PL arrangement does not have to be all-or-nothing.
How long does it take to set up a 3PL arrangement?
The setup period depends on the complexity of the arrangement. A straightforward warehousing or freight relationship can often be established within a few weeks. More integrated arrangements, involving systems connections and detailed process setup, typically take longer.
Does using a 3PL mean losing control of the supply chain?
Not necessarily. A well-structured 3PL arrangement includes clear reporting, inventory visibility, and agreed service levels that keep the client informed and in control of outcomes, even if the execution is handled externally.