At some point, almost every growing ecommerce brand hits the same wall. Orders are coming in faster than you can pack them, your 3PL keeps botching your kits, or you just opened your FBA fee report and did the math on what those per-unit charges are actually costing you on DTC orders. Something isn’t working, and you know you need a different setup — you’re just not sure what kind.
That’s where the terminology gets confusing. 3PL, ecommerce fulfillment, omnichannel fulfillment, pick and pack — these terms overlap enough that it’s hard to know whether you’re comparing the same thing or completely different services.
Fulfillment services, broadly, are the third-party providers that handle the physical side of getting orders to customers: receiving your inventory, storing it, picking and packing orders, and managing shipping and returns. But within that definition, there are real differences in specialization, infrastructure, and fit depending on how you sell.
Here’s what each type actually means.
3PL Fulfillment
A third-party logistics (3PL) provider takes on warehousing, order fulfillment, and shipping on your behalf. You send inventory to their fulfillment center; they handle the rest.3PL is the broadest category — most of the types below are 3PL in some form. The difference is usually in what they've built for: some specialize in ecommerce, others in B2B, others in specific regions or product types. "3PL" by itself tells you the operating model but not much about fit.
Best for: Brands that have outgrown self-fulfillment and want to hand off logistics without building their own warehouse infrastructure.
→ Best 3PL Fulfillment Services
Ecommerce Fulfillment
Ecommerce fulfillment is 3PL built specifically for direct-to-consumer order volumes — high transaction counts, individual shipments, fast SLAs, and integrations with Shopify, Amazon, WooCommerce, and other platforms.The day-to-day operation looks different from B2B: smaller packages, faster inventory turns, more SKU variability, and customers who expect tracking updates and two-day delivery windows. A 3PL that does a lot of pallet shipping may technically offer ecommerce fulfillment, but that doesn't mean they're good at it.
Best for: DTC brands shipping to individual consumers, especially those running on major ecommerce platforms.
→ Best Ecommerce Fulfillment Services
Amazon FBA
Fulfillment by Amazon (FBA) is a fulfillment model where sellers ship inventory to Amazon's fulfillment centers and Amazon handles storage, picking, packing, and delivery — but only for orders placed on Amazon. It's not a 3PL. It's a marketplace-native service that's useful if Amazon is your primary sales channel and limiting if it isn't.
For Amazon-first brands, the Prime badge and buy box advantages are still real. For brands with a meaningful DTC or Shopify channel, the 2026 fee increases — particularly the $0.30/unit MCF surcharge on non-Amazon orders — have made FBA an expensive way to fulfill off-platform. A lot of brands are running the numbers right now and moving DTC volume to a 3PL while keeping FBA for Amazon orders specifically.
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Shopify Fulfillment
Shopify fulfillment is ecommerce fulfillment with a tighter integration focus — native sync with your Shopify store, automated order routing, and inventory visibility inside the Shopify dashboard.
Not all 3PLs connect cleanly with Shopify. Some require manual exports, workarounds, or middleware that creates lag between when an order is placed and when it shows up in the fulfillment queue. For brands running primarily on Shopify, that integration depth matters enough to be its own evaluation criterion.
Best for: Shopify-native brands that want their storefront and fulfillment operations in sync without manual intervention.
→Best Fulfillment Services for Shopify
B2B Fulfillment
B2B fulfillment handles orders going to other businesses — retailers, distributors, or wholesale buyers — rather than individual consumers. The requirements are different enough from DTC that they're worth treating separately: larger order quantities, freight shipping, EDI compliance, and retailer-specific labeling and routing guides.
A 3PL optimized for DTC won't necessarily handle B2B well. If you sell through both channels, confirm upfront whether a prospective provider actually has B2B experience or is just saying yes because they want the business.
Best for: Brands selling wholesale or into retail channels, particularly those with EDI requirements.
→ Best B2B Fulfillment Services
Omnichannel Fulfillment
Omnichannel fulfillment means fulfilling orders across multiple sales channels — your own website, Amazon, retail partners, social commerce — from a single inventory pool.
The problem it solves is visibility. Without a unified view of inventory across channels, you end up overselling, quoting delivery timelines you can't hit, or splitting operations in ways that create errors. Providers with real omnichannel capability give you one place to manage inventory and order status regardless of where the sale happened.
Best for: Brands selling across three or more channels who need consistent fulfillment performance and don't want to manage separate inventory pools for each.
→Best Omnichannel Fulfillment Providers
Pick & Pack Fulfillment
Pick and pack is the core physical operation inside any fulfillment center: warehouse staff locate each item in an order, package it correctly, and prep it for shipping. Every 3PL does this — where they differ is in accuracy, speed, and what they can handle beyond a standard box.
Brands with complex packaging needs — kitting, branded inserts, subscription boxes, fragile products — should evaluate pick and pack capability specifically rather than assuming it's consistent across providers.
Best for: Brands with specific packaging or kitting requirements, or those for whom operational accuracy is the primary evaluation criterion.
→Best Pick & Pack Fulfillment Services
Warehousing & Storage
Not every brand needs full-service fulfillment. Warehousing and storage services cover the physical space to hold inventory — useful for managing seasonal overstock, staging product ahead of peak periods, or keeping slow-moving SKUs somewhere other than your active fulfillment center where storage fees are higher.
Warehousing is optimized for how long inventory sits, not how fast orders go out. The cost structure, location logic, and contract terms are different from a fulfillment center, so it's worth evaluating separately if storage is the primary need.
Best for: Brands with seasonal spikes, overflow inventory, or a need to separate long-term storage from active fulfillment.
→ Best Storage and Warehousing Services
Cross-Border & International Fulfillment
Cross-border fulfillment means getting orders across national borders — which involves customs documentation, duties and taxes, carrier relationships in the destination market, and delivery timelines that don't frustrate international customers.
Some 3PLs manage this through carrier partnerships and customs brokerage. Others operate fulfillment centers in multiple countries, so you can store inventory locally and fulfill in-country — which skips a lot of the delays and costs that come with cross-border shipping. For brands with meaningful US-Canada volume or international expansion plans, the difference between those two approaches is significant.
Best for: Brands with international order volume, or those expanding across the US-Canada border.
→ Best Cross-Border Logistics Companies
Order Fulfillment Services
Order fulfillment covers the end-to-end process: receiving an order, pulling the right items, packaging them, handing off to a carrier, and handling returns. Most 3PLs frame their core offering this way.
Where providers actually differ is in the technology underneath — how orders flow in, how inventory gets tracked, how exceptions surface, and how much visibility you have into what's happening in real time. "Order fulfillment" as a category is less about what they do and more about how well they do it.
Best for: Brands evaluating providers on full-stack fulfillment capability, or those who want to compare providers without narrowing to a specific service type first.
→ Best Order Fulfillment Services
Choosing the Right Type
Most brands don't fit neatly into one category. A DTC brand selling on Shopify and Amazon, with a few wholesale accounts and plans to expand into the US, needs a provider that can handle ecommerce fulfillment, omnichannel visibility, B2B orders, and cross-border volume — ideally without juggling three different 3PL relationships to do it.
The right type of fulfillment service comes down to how you sell now and where you're headed. That's a more useful frame than chasing the biggest name or the lowest per-order rate.GoBolt operates fulfillment centers across Canada and the US, with integrated last-mile delivery and support for DTC, B2B, and omnichannel fulfillment.
Get a quote if you want to walk through what your setup actually needs.