Ecommerce Fulfilment Services

Outsourcing Amazon Fulfilment: Costs, Benefits and When to Do It

Cardboard boxes on a conveyor belt in a warehouse as part of outsourcing Amazon fulfilment
In this blog post

Selling on Amazon can scale quickly. What starts as a manageable operation soon turns into something much bigger.

Order volumes increase, product lines expand, and suddenly your internal setup starts to feel stretched. Warehouse space fills up faster than expected, your pick and pack team is working flat out, and keeping everything running smoothly takes more effort than it should.

Add in Amazon’s strict FBA requirements or the pressure of handling FBM orders in-house, and it doesn’t take long before inefficiencies start creeping in.

What worked at the beginning doesn’t always hold up as you grow.

That’s usually the point at which outsourcing Amazon fulfilment starts to make sense, especially as your logistics and wider supply chain become harder to manage. Instead of juggling packing, shipping, and stock control internally, you hand it over to a team set up to handle it properly.

What is Amazon fulfilment outsourcing?

Outsourcing Amazon fulfilment means handing over storage, prep, packing and shipping to an Amazon third party fulfilment partner or a 3PL (third-party logistics provider).

Rather than managing everything in-house, your orders are handled by a 3PL with the systems and space to keep things running smoothly. For growing sellers, this is where Amazon fulfilment services can help connect the moving parts, from stock management to dispatch.

There are three common ways this works.

FBA (Fulfilment by Amazon) Prep Support

Your stock is prepared before it reaches Amazon fulfilment centres, making sure it’s compliant before being sent in. FBA (Fulfilment by Amazon) includes labelling, packaging and making sure everything meets Amazon’s requirements.

FBM (Fulfilment by Merchant) Fulfilment Support

Orders are picked, packed and shipped, allowing you to send products directly to your customers without handling them yourself.

Hybrid Approach

Some products go through FBA, while others are fulfilled via FBM. This gives you flexibility without overcomplicating your setup.

Orders sync automatically across your Amazon store and other sales channels, stock levels update in real time and you can keep track of what’s happening without relying on spreadsheets, creating a more seamless way to manage fulfilment.

Why eCommerce Brands Choose to Outsource Amazon Fulfilment

Growth is usually what triggers the shift. As order volumes increase, the setup that worked early on starts to struggle. Packing takes longer, space runs out and staying organised becomes harder.

Time is another factor. Packing orders, managing stock and dealing with shipping quickly take over your day. That leaves less time for marketing, product development or expanding your range.

Mistakes become more common when processes are stretched. Orders go out late, items get mixed up and stock levels don’t match what’s actually available. These issues often stem from manual processes or limited systems.

When stock control starts slipping, it tends to affect everything else. Late deliveries and incorrect orders often follow, which is why improving how you manage stock control can make a real difference before fulfilment problems snowball. Nobody wants their stockroom to feel like a game of hide-and-seek, especially when the stock is winning.

Outsourcing helps remove these pressure points before they start affecting customer experience and growth.

The Benefits of Outsourcing Amazon Fulfilment

More Time to Focus on Growth

Packing orders yourself might feel productive, but it doesn’t grow your business.

Once fulfilment is handled elsewhere, your time shifts back to the areas that drive revenue. That could be improving listings, running marketing campaigns or launching new products.

Improved Accuracy & Fewer Errors

Structured and automated fulfilment processes reduce picking and packing mistakes. Orders are handled consistently, which leads to fewer returns and fewer customer complaints.

It also helps with Amazon compliance, especially once you understand how Amazon FBA works and what is expected at each stage. Proper prep and labelling help make sure your products meet Amazon’s requirements and reduce the risk of delays or extra charges.

Faster and More Reliable Delivery

Fulfilment partners work with established courier and carrier networks, which improves delivery consistency. Orders are processed quickly and dispatched on time.

As volumes increase, your courier setup matters more. Choosing the right delivery partners can affect cost, speed and reliability, which is why comparing options like DHL vs DPD is useful when shaping your wider shipping strategy.

Scalable Operations

Growth puts pressure on fulfilment, especially when order volumes start to increase faster than your internal setup can handle. What used to work day to day can quickly become difficult to manage without adding more staff, more space, or both. 

Outsourcing gives you the flexibility to handle that growth without constantly expanding your in-house operations. Whether you’re dealing with steady growth or a spike in orders during peak periods, the infrastructure is already in place to support it.

Better Inventory Visibility

Keeping track of stock becomes more challenging as your product range and order volumes increase. Without the right systems, it’s easy to lose track of what’s available, what’s running low, or what needs reordering. 

With real-time updates and accurate reporting, you have a clear view of your inventory at all times. This makes it easier to plan ahead, avoid stockouts, and keep your fulfilment running smoothly without relying on guesswork.

For businesses moving away from manual tracking, real-time inventory management gives you a clearer view of stock movement and helps stop small issues from turning into customer-facing problems.

The Costs of Outsourcing Amazon Fulfilment

Typical Outsourcing Costs

Outsourcing Amazon fulfilment usually involves a few core costs.

  • Storage based on how much space your stock takes up
  • Pick and pack per order
  • Shipping based on parcel size, weight and destination

The structure is simple, which makes it easier to understand how costs change as your business grows.

Comparing In-House vs Outsourced Fulfilment

Running fulfilment in-house often looks cheaper at first, but costs build up over time.

You need to factor in staff, storage space, packing materials and courier rates. On top of that, there’s the time spent managing it all.

Outsourcing brings these into one setup, which is easier to manage as order volumes increase.

Amazon Fees vs Outsourcing

If you’re using FBA, you’ll already be paying storage and fulfilment fees. These can increase during peak periods, and extra charges apply if products are not prepared correctly.

Outsourcing helps reduce avoidable costs by making sure your products meet Amazon’s requirements before they are sent in. It also removes the time spent fixing errors or dealing with rejected shipments.

When should you outsource Amazon fulfilment?

There isn’t a single moment when outsourcing becomes necessary, but there are clear signs.

You’re Spending Too Much Time on Fulfilment

If packing and admin are taking over your day, it limits how much time you can spend growing the business.

Order Volumes Are Increasing

Higher-order volumes put pressure on your setup and make manual processes harder to manage.

You’re Expanding Your Reach

Selling into new regions adds complexity around shipping and delivery expectations.

Errors or Delays Are Becoming Common

Frequent mistakes are a sign your current process isn’t keeping up.

You Want to Grow Without Hiring

Outsourcing allows you to scale without building a full in-house fulfilment operation.

How Outsourcing Fits Into Amazon Fulfilment Models

Amazon sellers usually work with FBA, FBM, or a mix of both.

FBA handles storage, shipping and returns, but it comes with strict requirements and ongoing fees. A fulfilment partner can manage the prep side, making sure products are ready before they reach Amazon and correctly handled when shipping to Amazon FBA, helping to avoid delays or rejections.

FBM gives you more control but requires you to handle fulfilment yourself. Outsourcing removes that workload by handling storage and shipping for you.

Many businesses use both models together, so understanding Amazon FBA vs FBM helps you choose the setup that fits your products, margins and growth plans.

What to Look for in an Amazon Fulfilment Partner

Choosing the right partner keeps things running smoothly as you grow.

Look for a provider that offers:

  • Integration with Amazon for automatic order syncing
  • Experience with Amazon prep and compliance
  • Real-time tracking and reporting
  • Flexible courier options
  • The ability to scale with your business

If you’re sending stock into FBA, strong FBA prep services can reduce the risk of delays, rejected shipments or extra charges.

If you’re handling direct-to-customer Amazon orders, reliable Amazon FBM services help keep packing, dispatch and delivery consistent as order volumes increase.

Is outsourcing Amazon fulfilment worth it?

For growing eCommerce brands, it often comes down to time and consistency.

Outsourcing replaces a mix of operational tasks with a more structured setup. You get fewer errors, more reliable delivery and more time to focus on growth.

It’s not something every business needs from day one. But when fulfilment starts slowing things down or causing issues, it’s usually a sign that a better setup is needed.

Ready to outsource your Amazon fulfilment?

If fulfilment is beginning to take up more time than it should, it might be time to hand it over.

At Delta Fulfilment, we support growing eCommerce brands with flexible Amazon fulfilment solutions, from FBA prep to FBM shipping and hybrid setups. 

To see how this could work for your business, get a quote today and we’ll help you find the right setup for your Amazon orders.

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