5 Signs you need a 3PL

A look at when your ecommerce brand should look at outsourcing fulfilment

Nearly one-third of all retail in the UK happens online – so it’s no surprise that the ecommerce spend is expected to reach £234.66 billion ($317.33 billion) by the end of 2026 or that sales will grow by a CAGR of nearly 10% until 2031.

That’s great news for ecommerce businesses and even better news for consumers who are spoiled for choice, convenience and price with so many offerings on the market.

The hiccup?

With consumers in the driving seat, brands have to make sure they’re keeping their customers happy, not just in terms of a good product but throughout the buying journey as well. This includes ensuring that fulfilment is keeping up with demand.

This is a concern for all ecommerce brands – from large to small, established to start-up. It’s especially true for scaling brands and brands that are managing logistics in-house.

Ask yourself…

If you’re one of these brands and you’re considering outsourcing your fulfilment to a third party, ask yourself these questions as a starting point for deciding when to outsource fulfilment:

• Is your ecommerce business approximately a year old?
• Are you dealing with more than 150 orders per month?
• Do you have high volumes of products for each SKU?
• Do you have an efficient ecommerce website? E.g. WooCommerce, Shopify, Magento.
• Are you outgrowing your fulfilment provider because they can’t scale up as fast as you are?

If you answered…

We are an established fulfilment provider with multiple sites in Berkshire and The Midlands. Every week, we’re adding new clients to our portfolio because they can answer “yes” to these questions and they’re looking for a more dynamic fulfilment solution. For those that answer “no”, outsourcing wouldn’t make sense at this point or be cost effective.

Of course, it’s never as simple as that – which is why we’ve taken a look at the top five signals that indicate it’s time to outsource your fulfilment, and the clearest signs you need a 3PL.

 #1 You’re struggling to meet next-day (or same-day) expectations

Customers don’t see fast delivery as impressive anymore. They see it as standard.

Next-day delivery is now the baseline across most ecommerce sectors, and same-day or time-slot delivery is becoming increasingly common in competitive categories. When you’re managing fulfilment in-house, keeping up with these expectations while maintaining accuracy can quickly become unsustainable.

Delays, missed cut-offs, and inconsistent delivery windows don’t just frustrate customers, they quietly erode trust and repeat purchase rates.

A fulfilment partner gives you the infrastructure to meet these expectations consistently, with late order cut-offs, streamlined pick-and-pack processes, and carrier networks designed for speed at scale.

#2 Fulfilment is limiting your ability to scale

In the early days, packing orders is part of the journey. But there comes a point where it becomes a bottleneck rather than a badge of honour.

If your team is spending more time managing stock, packing boxes, and dealing with courier issues than focusing on growth, marketing, or product development, your business is being held back by its own operations.

Modern fulfilment isn’t just about moving boxes, it’s about integration, automation, and visibility. With the right partner, your ecommerce platform connects directly to a warehouse management system, giving you real-time data on orders, stock levels, and performance.

That means less firefighting, more forecasting and far better decision-making – often the point where in-house vs outsourced fulfilment becomes a critical decision rather than a future consideration.

#3 Rising costs are eating into your margins

Warehousing, labour, and shipping costs have all increased significantly. The National Living Wage continues to rise, commercial property costs remain high, and carrier pricing is more volatile than ever. On top of that, new regulations like Extended Producer Responsibility (EPR) for packaging are adding further cost and complexity.

What worked financially at 50 or 100 orders a month often stops working at scale.

If your cost per order is creeping up, it’s a strong signal that in-house fulfilment is no longer the most efficient model, particularly given rising ecommerce fulfilment costs in the UK.

Outsourcing allows you to convert fixed costs into variable ones, benefit from economies of scale, and access pre-negotiated carrier rates, without the overhead.

#4 Customer experience is becoming inconsistent

Late deliveries, incorrect items, damaged goods, or poor packaging all translate into negative reviews, increased support queries, and lost repeat business. And in a market where customers can switch brands in seconds, that impact is immediate.

If you’re starting to see patterns in complaints or spending more time resolving fulfilment-related issues, it’s a sign your current setup isn’t keeping pace with demand.

A dedicated fulfilment operation brings standardised processes, quality control, and inventory management (like stock rotation and batch tracking), helping ensure every order meets the same high standard.

#5 Your packaging and returns experience aren’t keeping up

Packaging is no longer just protective, it’s part of your brand, your sustainability story, and your compliance obligations.

Customers expect thoughtful, well-designed packaging that reflects your brand and minimises waste. At the same time, regulations like EPR mean businesses need to be more accountable for the materials they use.

Returns are just as critical. A slow or complicated returns process can undo an otherwise positive experience, while a smooth one builds trust and encourages repeat purchases.

If your packaging feels basic, inconsistent, or inefficient, or your returns process is becoming time-consuming and difficult to manage, it’s a clear sign your fulfilment operation needs to evolve.

A fulfilment partner can support branded, sustainable packaging solutions and implement streamlined, tech-enabled returns processes that improve both efficiency and customer satisfaction.

What next?

There’s rarely a single tipping point. More often, it’s a combination of small pressures building into something bigger, whether that’s rising costs, increasing order volumes, or growing expectations from your customers.

If you’re starting to recognise several of these signs you need a 3PL, it’s worth taking a step back and reassessing your current setup. The decision around in-house vs outsourced fulfilment isn’t just operational, it’s a strategic choice that can directly impact your ability to scale, control costs, and deliver a consistent customer experience.

For many brands, especially those navigating rising ecommerce fulfilment costs in the UK, outsourcing offers a more flexible and future-proof model. It allows you to remove complexity, improve efficiency, and focus your time where it matters most, growing your business.

As a 3PL for growing brands in the UK, Fullers works as an extension of your team, helping you adapt, scale and stay competitive in a fast-moving market. Whether you’re actively exploring options or simply starting to think about when to outsource fulfilment, having the right partner in place can make all the difference.

Back to News