When you first start an online store, finding products, working with suppliers, and processing customer orders may feel manageable. As your e-commerce business grows, however, sourcing products, managing inventory, and keeping orders and shipments on track can take more time and effort than your team can handle alone.
When looking for logistics support, you may come across two common models: 3PL and 4PL. Both involve working with external logistics partners, but their roles are different. A 3PL provider offers specific logistics services, such as transportation, warehousing, order fulfillment, and distribution. A 4PL provider takes a broader role by integrating different logistics resources, coordinating multiple service providers, and managing wider supply chain operations.
Neither model is automatically better. The right choice depends on your order volume, supply chain complexity, and internal management capacity. Let's look at the difference between 3PL and 4PL, how each model works, and which one is right for your business.
Key Takeaways:
- 3PL (Third-Party Logistics) providers offer logistics services such as transportation, warehousing, inventory management, order fulfillment, and shipping. They help businesses manage specific logistics operations.
- 4PL (Fourth-Party Logistics) providers bring together different logistics resources and service providers. They coordinate multiple 3PLs, warehouses, and carriers to manage broader supply chain operations.
- Choosing between 3PL and 4PL depends on your logistics needs and supply chain complexity, not just your company size. For e-commerce businesses that need inventory storage and order fulfillment, EPROLO offers 3PL services with BYO Inventory and Product Sourcing options.
Table of Contents
What Is 3PL (Third-Party Logistics)?
Third-party logistics (3PL) providers offer a range of logistics services to help businesses move products from suppliers to customers.
Their services include transportation, warehousing, inventory management, packaging, order fulfillment, and distribution. Depending on the provider, they can receive and store products, manage inventory, prepare orders, and ship goods to end customers.
For example, imagine you run a clothing store. You purchase products from a manufacturer and send the inventory to a 3PL warehouse. When a customer places an order, the 3PL provider picks the garment, packs it, and ships it directly to the buyer.
You remain responsible for running your store and serving customers. The 3PL handles the logistics services covered by your agreement. This gives you more time to focus on product selection, sales, and marketing.
Amazon FBA is another familiar example of a fulfillment service with functions similar to those offered by many 3PL providers. Sellers send products to Amazon's fulfillment centers, where Amazon stores inventory, picks and packs orders, and ships products to customers.
What Is 4PL (Fourth-Party Logistics)?
Fourth-party logistics (4PL) providers offer broader supply chain management and coordination services.
They work with businesses to understand their logistics needs and coordinate different 3PL providers, warehouses, freight carriers, and other supply chain partners. They may also use technology and information systems to monitor logistics operations, share data, and help businesses make better supply chain decisions.
Consider an international e-commerce brand selling products across North America, Europe, and Asia. The company works with several logistics partners. One 3PL manages its US warehouse, another handles European fulfillment, and a freight carrier manages international transportation.
Managing all these partners separately can take a lot of time. The company needs to monitor inventory, coordinate shipments, and check each provider's performance.
A 4PL provider can bring these operations together. It coordinates the different logistics partners, connects their systems, monitors overall performance, and helps manage the broader supply chain.
Instead of communicating with every logistics provider separately, the business has one central partner to manage the agreed logistics network.
What Is the Difference Between 3PL and 4PL?
A 3PL provider provides and performs specific logistics services, such as transportation, warehousing, inventory management, and order fulfillment. A 4PL provider integrates different logistics resources and coordinates multiple service providers to manage broader supply chain operations.
Here is a side-by-side comparison:
| Comparison Factor | 3PL | 4PL |
|---|---|---|
| Primary Role | Handles specific logistics tasks | Brings logistics partners together |
| Service Scope | Transportation, storage, inventory, and order fulfillment | Supply chain planning and coordination |
| Management | Manages contracted logistics services | Coordinates multiple logistics providers |
| Control | Business keeps overall control | Manages agreed operations; business keeps final say |
| Cost Structure | Storage, handling, fulfillment, and shipping fees | Management fees plus logistics costs |
| Best For | Businesses needing logistics and fulfillment support | Businesses working with multiple logistics partners |
Benefits of 3PL and 4PL
Each model offers different benefits depending on your business needs.
Benefits of 3PL: A 3PL gives you access to existing warehouses, shipping networks, and fulfillment services. You don't need to build your own logistics facilities, and you can handle more orders as your store grows. It also saves you time on daily logistics tasks.
Benefits of 4PL: A 4PL brings different logistics partners together under one management structure. This gives you a clearer view of your supply chain, saves time managing multiple providers, and makes logistics planning easier.
Does this mean 4PL is always better than 3PL? Not necessarily.
If you mainly need product storage, order processing, and shipping, a 3PL may be enough. You may not need a separate partner to coordinate your entire logistics network.
But if your business works with several warehouses, carriers, and fulfillment companies, a 4PL provider may help manage these relationships and coordinate the wider supply chain.
3PL vs 4PL: Which Logistics Model Is Right for Your Business?
Choosing between a 3PL and a 4PL depends on your operational needs, supply chain complexity, and internal resources. Your company size alone does not determine which model you need.
When to Choose 3PL
A 3PL provider is a practical choice when you need help with specific logistics services, especially warehousing and order fulfillment.
A 3PL may be suitable if:
- You run a small or mid-sized online store: You need inventory storage and daily order fulfillment without managing your own warehouse.
- You sell on Shopify or Amazon: You need a logistics partner to store products, pick and pack orders, and ship packages to customers.
- You want to keep operations simple: You prefer to avoid hiring warehouse staff or managing daily packing and shipping.
- You already have a supply chain plan: You have established suppliers and only need help with specific logistics operations.
- Your order volume is growing: Packing orders in-house is becoming difficult, and you need additional fulfillment capacity.
For many e-commerce sellers, one reliable 3PL provider may be enough to handle daily fulfillment. Before choosing a partner, compare warehouse locations, available services, platform integrations, and shipping capabilities.
You can also compare the best 3PL companies for e-commerce fulfillment to find a provider that matches your store's needs.
When to Choose 4PL
A 4PL provider may be a better fit if your business has a complex logistics network and needs help coordinating different partners.
Consider 4PL if:
- You operate across multiple regions: Your business sells in several countries and uses different regional logistics networks.
- You work with several logistics providers: You rely on multiple 3PL warehouses and freight carriers.
- You need better supply chain visibility: You want to track inventory, shipments, and logistics performance across different providers.
- Your team spends too much time managing vendors: Coordinating warehouses and shipping companies takes time away from other business tasks.
- You need broader supply chain management: You want an external partner to integrate and coordinate different logistics operations.
In these situations, a 4PL provider can help bring different logistics services together and manage the wider network.
Can 3PL and 4PL Work Together?
Yes. A business can use both 3PL and 4PL services at the same time.
For example, an international retailer may hire a 4PL provider to coordinate its logistics network. The 4PL then works with several regional 3PL companies to handle warehousing, order fulfillment, and local shipping.
Each 3PL provider handles physical logistics operations in its region. The 4PL coordinates their activities and monitors overall supply chain performance.
A growing e-commerce business may also start with one 3PL provider and consider a 4PL arrangement if its logistics network becomes too complex to manage internally. However, this is not a required step. It depends on whether the business needs broader supply chain coordination.
How EPROLO Supports E-commerce Fulfillment with 3PL Services
Most online sellers don't need a 4PL provider. They need a reliable partner to store inventory, process orders, and ship products to customers.
EPROLO provides 3PL warehousing and fulfillment services with two inventory options:
- BYO Inventory: Send products from your own suppliers or manufacturers to EPROLO's warehouses for storage and fulfillment.
- Product Sourcing: Submit product links to EPROLO. It can source products from factories, purchase inventory, and store it for future orders.
EPROLO also handles inventory management, picking, packing, shipping, product labeling, basic inspections, custom packaging, and eligible returns.
For Amazon sellers, EPROLO offers FBA fulfillment services, including inventory storage, product preparation, and shipping to Amazon fulfillment centers. It also provides FBM fulfillment services to help sellers process orders and ship products directly to customers.
Conclusion
3PL and 4PL serve different needs. A 3PL handles specific logistics services, such as warehousing, order fulfillment, and shipping. A 4PL coordinates multiple logistics providers and manages a wider supply chain. The right choice depends on your business needs and logistics requirements. If your e-commerce store mainly needs inventory storage, order fulfillment, and shipping support, EPROLO's 3PL warehousing and fulfillment services may be a practical choice.
Frequently Asked Questions (FAQs)
Which Is Better for E-commerce: 3PL or 4PL?
It depends on your needs. A 3PL is usually a better fit for online stores that need inventory storage and order fulfillment. A 4PL is more suitable for businesses working with multiple logistics providers across different regions.
When Should a Company Switch from a 3PL to a 4PL?
Consider a 4PL when managing multiple warehouses, carriers, and logistics providers becomes difficult. However, not every growing business needs to switch. A 4PL can also manage your existing 3PL partners.
Is 4PL More Expensive Than 3PL?
Not always. A 3PL typically charges for storage, handling, fulfillment, and shipping. A 4PL may also charge management and coordination fees. The total cost depends on the services you need.
What's the Difference Between 1PL, 2PL, 3PL, 4PL, and 5PL?
These terms describe different logistics models:
- 1PL: A business manages its own logistics.
- 2PL: A carrier transports goods from one location to another.
- 3PL: A provider handles logistics services such as warehousing, transportation, and order fulfillment.
- 4PL: A provider coordinates multiple logistics partners and manages the wider supply chain.
- 5PL: Generally refers to a technology-driven model that manages or optimizes logistics networks.
The definitions of 4PL and 5PL may vary across the industry.
How Much Does 3PL Fulfillment Cost?
3PL costs depend on your products, storage needs, order volume, and shipping destinations. Common fees include:
- Receiving and Storage: Handling incoming inventory and storing products.
- Pick and Pack: Picking items and preparing orders for shipment.
- Shipping: Delivering orders to customers.
- Additional Services: Labeling, custom packaging, and returns processing.
Ask providers for a clear fee breakdown before choosing one.
What Should You Look for When Choosing a 3PL Provider?
Focus on these five things:
- Warehouse Locations: Are the warehouses close to your main customer markets?
- Inventory Options: Can you send your own stock or source products through the provider?
- Store Integrations: Does it support platforms like Shopify and Amazon?
- Available Services: Does it offer the fulfillment and extra services you need?
- Fulfillment Capacity: Can it handle more orders as your business grows?
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