Selling online used to be much simpler. Brands launched a website, fulfilled orders from a single location, and focused on growing demand. Today, customers discover and purchase products across a growing number of channels. That may include a brand’s website, Amazon, Walmart, TikTok Shop, wholesale retail partners, subscription programs, pop-up events, and return drop-off locations. Ecommerce no longer lives in one channel, which means fulfillment can’t either.
But as a company grows, it becomes harder to keep fulfillment in-house. At some point, brands must expand their logistics operations to keep up with demand, support additional sales channels, improve delivery speed, or all of the above.
One of the most effective ways to do this is by outsourcing supply chain operations to a third-party logistics provider (3PL).
But choosing a fulfillment partner isn’t simply about finding the lowest cost or the closest warehouse. The best ecommerce fulfillment services help brands connect inventory, orders, delivery, and returns across every channel while reducing operational complexity and creating a more consistent customer experience.
What does 3PL for ecommerce fulfillment do?
Third-party logistics is a fulfillment service that manages logistical operations for a retail brand. Companies providing 3PL services are responsible for some or all supply chain management functions, such as:
- Storage
- Inventory management
- Picking and packing
- Shipping and transportation
- Kitting and assembly
- Retail compliance
- Marketplace fulfillment
- Returns processing
3PLs are a popular solution for ecommerce and omnichannel companies, acting as the bridge between the brand and the customer by expediting order fulfillment. Ecommerce companies that use 3PL services store their inventory in one or more warehouses, depending on their distribution strategy.
When a customer makes an online order, the product is pulled, prepped, packed, and shipped from the fulfillment center to the customer’s doorstep. For omnichannel brands, that same fulfillment network may also support B2B retail orders, marketplace orders, wholesale replenishment, subscription boxes, and value-added services.
Fulfillment centers can also process business-to-business orders, including high-volume merchandise for retailers such as Target, Walmart, Sephora, Ulta, Nordstrom, and other retail partners.
These capabilities matter because ecommerce keeps growing. In Q1 2026, U.S. ecommerce sales increased 9.7% year over year and accounted for 16.9% of total retail sales, according to the U.S. Census Bureau. During the 2025 holiday season alone, online spending hit a record $257.8 billion, up 6.8% year over year.
The goal of a 3PL for ecommerce is to enhance operations by outsourcing logistics. The goal of omnichannel 3PL fulfillment is broader. It connects inventory, orders, delivery, and returns so customers get the same dependable experience no matter where they buy.
Why 3PL providers are useful for ecommerce brands
Studies have long shown that 3PL services can improve operational performance. Today, that value is even more important because brands are managing more channels, more customer expectations, and more pressure on margins.
The most obvious advantage of outsourcing fulfillment to a 3PL provider is convenience. With someone else handling logistics, ecommerce brands can devote more time and energy to other areas of their business.
But the right 3PL provider does more than lessen the workload. The best ecommerce fulfillment services help brands improve delivery accuracy, expand into new channels, manage returns, and protect the post-purchase experience. Here’s how:
Lower expenses
When a brand outsources part of its supply chain functions to a 3PL provider, it can significantly increase savings potential.
How? To start, it means not worrying about paying rent for a warehouse or shared industrial space and not having to hire and pay a fulfillment team. Outsourcing back-end work to a 3PL provider also means brands aren’t responsible for many of the operating costs tied to fulfillment infrastructure, equipment, training, and fulfillment technology.
And for growing ecommerce brands, the cost conversation has changed. It’s not only about avoiding warehouse rent. It’s also about reducing parcel costs, avoiding inventory misalignment, improving order accuracy, and ensuring each channel is profitable enough to continue supporting.
A brand selling on its own site may have one set of packaging and shipping needs. A brand selling through retail marketplaces may need specific labels, routing rules, order cutoffs, and compliance documentation. Without the right fulfillment support, those operational details can turn into chargebacks, customer complaints, and margin loss.
A leaner workforce
Companies that manage their entire supply chain internally must hire and manage warehouse employees, fulfillment leads, operations managers, and transportation support staff. This can divert limited resources away from other areas of the company.
With each new employee added, more time is spent managing schedules, payroll, training, safety, and performance. This can be especially overwhelming for brands that are scaling quickly or preparing for seasonal spikes.
Outsourcing to a 3PL provider helps prevent a brand’s workforce from becoming unnecessarily bloated. There’s no need to think about hiring, training, and managing the full fulfillment team alone. These workers are employed by a 3PL provider, allowing brands to spend more time building and managing their front-end business teams.
That flexibility is especially useful for omnichannel brands. A product launch, retail drop, influencer campaign, or marketplace promotion can cause a sudden spike in volume. A 3PL gives brands a way to absorb that demand without making permanent labor decisions based on temporary volume.
Improved delivery and distribution
Over the last several years, Amazon and other major retailers have changed customer expectations around delivery. Fast shipping is no longer a perk, but part of the buying decision.
At the same time, speed is not the only thing shoppers care about. McKinsey & Company found that 90% of U.S. consumers are willing to wait two or three days for deliveries, especially if that helps them avoid shipping costs. The same research found that 90% of consumers are likely to abandon carts with high shipping costs for standard items.
That creates a clear challenge for ecommerce brands. Customers want fast, affordable, reliable delivery, but shipping costs continue to pressure margins.
The best ecommerce fulfillment services help solve that tension by placing inventory closer to customers, routing orders more intelligently, and giving brands more control over shipping options.
For example, say a mid-sized ecommerce brand based in California handles its own fulfillment on the West Coast but struggles to provide reliable delivery to other parts of the country. Partnering with a 3PL provider that has fulfillment centers in other regions can help the brand reduce transit times and deliver a more consistent customer experience.
For omnichannel brands, distributed fulfillment can also support retail replenishment, marketplace SLAs, and pop-up demand without forcing every order through one overloaded facility.
Scale with demand
3PL provides ecommerce businesses with a scalable solution that makes it easier to expand operations as demand fluctuates. This feature is especially helpful for small and medium-sized ecommerce companies that may have difficulty upgrading logistical operations on their own.
Consider this scenario: A growing beauty brand launches on its own website, then expands to Amazon, wholesale boutiques, and a national retail partner. Suddenly, the brand needs DTC parcel fulfillment, FBA prep services, retail compliance support, and returns processing.
That is where omnichannel fulfillment becomes essential. The brand is no longer managing one sales channel. It is managing several customer experiences at once.
Working with a 3PL provider allows a company to be more responsive to demand surges. For example, a brand can outsource logistics during the holiday season when a spike in sales is expected or choose a long-term solution that supports continued growth. It can also scale back 3PL services during slower periods, so the company is not spending money on unused space and labor.
The best ecommerce fulfillment services give brands room to grow without forcing them to rebuild operations every time a new channel starts performing.
Kase Customer Success Story: Beauty brand Kulfi Beauty scaled order volume by more than 300% while maintaining a fulfillment rate above 98% as the company expanded into Sephora and additional retail channels.
Work with professionals
Without deep industry experience, fulfillment can become expensive and inconsistent.
Logistics and fulfillment are specialties of a 3PL provider. They know how to manage warehouse workflows, use fulfillment technology, reduce bottlenecks, meet shipping cutoffs, and support customer expectations.
For modern ecommerce brands, that expertise also includes platform integrations, inventory visibility, marketplace requirements, branded packaging, retail routing guides, and returns workflows.
When fulfillment is handled well, customers may not think about it at all. When fulfillment breaks down, they notice immediately.
The role of 3PL in omnichannel ecommerce
The COVID-19 era forced many retailers to build ecommerce operations quickly. Today, the pressure is different. Brands are no longer just trying to get online. Instead, they are trying to connect every place customers discover, buy, receive, and return products.
A shopper may see a product on social, compare it on Amazon, buy it from the brand’s website, pick it up at a store, and return it through a retail partner. That kind of journey creates operational pressure behind the scenes.
Omnichannel fulfillment brings those moving parts into one connected process. Instead of treating each channel as a separate fulfillment lane, brands can manage inventory, orders, and returns with greater consistency.
This is especially important for brands expanding into retail or marketplaces. Each channel has its own requirements, but customers still expect the brand experience to feel consistent.
Inventory visibility becomes one of the biggest challenges. If stock counts are wrong, brands risk overselling, underselling, delaying orders, or disappointing retail partners. If returns are not processed quickly, sellable inventory can sit idle.
Returns are also a major part of the omnichannel equation. NRF estimates that 19.3% of online sales will be returned, and 82% of consumers say free returns are an important consideration when shopping online. Returns are now an official part of the customer experience.
How a 3PL empowers ecommerce companies
We’ve touched on the benefits of 3PL and how it can help ecommerce brands. But how effective is 3PL at empowering ecommerce companies? Let’s look at a modern example.
A growing lifestyle brand may start by fulfilling orders from a small warehouse or office space. At first, that works. Order volume is manageable, packaging is simple, and the brand only sells through its own website.
Then growth starts to compound. The brand adds subscriptions, launches wholesale, expands to Amazon, and secures a retail account. Suddenly, the fulfillment process needs to support multiple order types, packaging standards, shipping methods, and reporting requirements.
A 3PL can take over warehousing, fulfillment, transportation coordination, retail prep, and returns management. With the right partner, the brand can keep scaling without losing control of the customer experience.
Outsourcing fulfillment can help the brand manage everything from inventory visibility and returns processing to value-added services and marketplace compliance.
The result is a fulfillment model that supports growth without forcing the brand to choose between speed, accuracy, and customer experience.
What to look for when vetting a 3PL provider
When a brand is ready to outsource its logistical operations, the next step is hiring a 3PL provider.
There are a number of companies to choose from, but not every 3PL provider offers the same services. Depending on the industry, one provider may be better suited for a brand than another.
When comparing the best ecommerce fulfillment services, brands should look for a partner that can support current order volume and the next stage of growth. Look at the following capabilities:
1. Related clients and industry experience
One of the easiest ways to determine whether a 3PL provider is compatible with an ecommerce brand is by looking at its clients. If the provider has experience working with similar brands in the same industry, there’s a greater likelihood it can address the brand’s needs.
The 3PL provider should also offer integration with the brand’s technology. A Shopify brand, for example, needs a 3PL provider with tools that are compatible with Shopify. Brands selling across marketplaces, wholesale, retail, and DTC also need systems that connect cleanly across channels.
Ideally, the 3PL provider should have experience working with ecommerce businesses of a similar size. Smaller companies should look for a provider that has experience helping growing brands expand fulfillment. Established retail brands need a 3PL provider that understands retail compliance, routing guides, bulk shipments, chargebacks, and high-volume order flow.
2. Extensive list of fulfillment services
The goal of 3PL is to help brands provide product delivery that’s quick, accurate, and consistent. A 3PL provider that offers an extensive list of services can help implement a fulfillment strategy that protects the brand’s reputation. Those services are tailored to each brand to help ensure orders are picked, packed, and shipped accurately, while making customer expectations easier to manage.
3. End-to-end omnichannel support
Brands can minimize the chances of setbacks by choosing a provider that offers an end-to-end logistics solution. Outsourcing ecommerce warehousing and order fulfillment, along with transportation support and pick-and-pack operations, places logistics in experienced hands.
Omnichannel brands need end-to-end support that includes DTC fulfillment, retail fulfillment, marketplace order flow, inventory visibility, and returns. The more connected those functions are, the easier it is to keep the customer experience consistent.
4. Strong returns capabilities
Every ecommerce brand has to manage returns. Small business owners may have no problem personally processing returns early on, but as a brand grows, keeping up becomes more difficult.
Processing return orders can be especially overwhelming during the holidays, after promotions, or during category-specific spikes. Some 3PL providers offer returns management as part of their fulfillment services, helping brands manage that volume more effectively.
A strong returns process helps customers get answers faster, while also helping brands inspect, quarantine, restock, or dispose of returned inventory more efficiently. That can make a real difference when nearly 1 in 5 online sales is expected to be returned.
3PL evaluation questions
Before making a decision, brands should ask practical questions about technology, inventory management, performance metrics, scalability, and operational support. The answers often reveal whether a provider can truly support long-term growth or simply handle today’s order volume.
- What percentage of orders ship same day?
- How are retail compliance exceptions handled?
- How do you scale labor during peak season?
- How many fulfillment nodes are available?
- What visibility will I have into inventory and order performance?
Explore a full list of 22 questions to help choose the right fulfillment partner.
A good 3PL provider helps growing ecommerce brands scale
Today’s consumers have high expectations for speed, accuracy, affordability, and flexibility. Many small and mid-sized brands lack the infrastructure to provide that experience across every channel.
A good 3PL provider helps these companies grow and maintain a competitive edge by offering fulfillment support that ensures goods are stored, packed, shipped, delivered, and returned consistently.
The best ecommerce fulfillment services are a growth infrastructure for omnichannel brands.
Kase helps ecommerce brands manage DTC, retail, marketplace, and omnichannel fulfillment through a national network, modern fulfillment technology, and value-added services built for today’s customer experience. Kase’s omnichannel logistics services are designed to support faster transit times, lower shipping costs, and reliable fulfillment across channels.
With the right fulfillment partner, ecommerce brands can continue to meet customer expectations without constantly rebuilding their fulfillment strategy from the ground up.
