The importance of inventory management

The importance of inventory management

For eCommerce and multi-channel businesses, inventory sits at the heart of the operation. Every customer order depends on having the right product available, in the right quantity, and being able to locate and fulfil it quickly and efficiently.

As your business grows, keeping track of that inventory becomes increasingly important. A small discrepancy between system stock and physical stock might be easy to resolve when you have a handful of SKUs. But when you’re managing hundreds of products across multiple sales channels, the same discrepancy can quickly affect orders and fulfilment performance, having a knock-on effect on customer retention and brand reputation.

That’s why inventory management is about so much more than knowing how many products are stored in a warehouse. It involves understanding where stock is, how quickly it’s moving, when it needs replenishing and how inventory is being used across the wider supply chain.

For a fulfilment provider like 3PL, accurate inventory management is fundamental to everything we do. Before an order can be picked, packed and dispatched, the stock needs to be there – and our systems need to know exactly where it is.

Why is inventory management important?

There are many reasons why inventory management is important, but they all come back to one thing: control.

Businesses need enough stock to meet customer demand without holding significantly more inventory than they need. Getting that balance right can have a direct impact on wastage, cash flow, storage costs, sales and customer satisfaction.

Consider a fashion brand selling several hundred SKUs across its own website, Amazon and retail partners. A bestselling jacket may be available in multiple colours and sizes, with stock allocated across different sales channels. Without accurate, real-time inventory information, it becomes very difficult to understand what is actually available to sell. The consequences can range from overselling and cancelled orders to excess stock sitting in storage because demand has been overestimated.

For an ambient food, supplement or beauty business, there are additional considerations, such as managing product expiry dates through stock rotation. Inventory management therefore needs to reflect the characteristics of the products being stored and fulfilled, rather than relying on a one-size-fits-all approach.

The importance of inventory management across the supply chain

Inventory doesn’t operate independently of the rest of the supply chain. Stock needs to arrive from suppliers at the right time, be received accurately, stored appropriately and made available for fulfilment when required. Sales and purchasing teams also need reliable inventory information to make decisions about future demand and replenishment. This is where supply chain and inventory control become closely connected.

For example, a business with a six-week supplier lead time needs to understand how quickly its current stock is being used and how much inventory will be required during that period. Reordering too late can result in a stockout, while ordering significantly more than demand requires can leave capital tied up in excess inventory. Effective inventory management provides the information needed to make these decisions confidently.

For advice on improving stock control, see our guide on how to manage your stock levels effectively

The role of inventory tracking

Inventory tracking provides visibility of stock as it moves through the business. For a small operation, this may be relatively straightforward. As product ranges and order volumes increase, however, manually tracking every stock movement becomes increasingly difficult.

A growing omnichannel or multi-channel brand might have stock arriving from several suppliers, being stored across different warehouse locations and allocated to orders from its own website, marketplaces and wholesale customers.

Returns then add another layer of complexity. Returned products need to be assessed and either returned to available inventory or dealt with separately. Accurate inventory tracking helps maintain a consistent view of what is happening at every stage.

How inventory management software can help

As inventory becomes more complex, technology becomes increasingly important. Inventory management software automates stock updates and connects inventory information with other systems you use, improving visibility. This reduces reliance on manual processes and makes it easier to identify changes in stock levels or potential issues.

At 3PL, we use our own software 3PL Fusion to manage and track inventory as part of our fulfilment operation. The platform provides real-time visibility of stock levels, locations and movements and supports integrations with eCommerce, CRM, ERP and other business platforms. This means inventory information is available alongside your fulfilment data, rather than being held separately in spreadsheets or manual reports.

The benefit of inventory management software becomes particularly pertinent when order volumes increase. A business may start with a small product range and a single sales channel, but as it adds products, marketplaces, retail partners or international customers, the amount of inventory information it needs to manage grows with it.

Keeping the right amount of stock

Good inventory management isn’t about holding as much stock as possible. It’s about finding the right balance between availability and efficiency. Too little stock can result in missed sales and delayed orders. Too much can tie up working capital and take up warehouse capacity that could be used more productively.

The right stock level will vary considerably between businesses and even between individual products. A fast-moving electronic accessory may require a very different replenishment strategy from a seasonal fashion item. Similarly, an ambient food or supplement brand may need to consider product expiry dates when deciding how much stock to hold.

Monitoring sales patterns, supplier lead times and stock performance can help you make more informed decisions about when and how much to reorder.

Stock rotation and inventory control

Inventory management also involves making sure the right stock is being picked at the right time. For products where age or expiry is a consideration, stock rotation is particularly important. A vitamin brand, for example, doesn’t want newer stock being picked while older batches remain untouched in the warehouse.

FIFO (First In, First Out) is one approach used to manage stock rotation. You can learn more about what FIFO means and how the FIFO inventory method works here:

What does FIFO stand for? A guide to the FIFO inventory method

What happens when inventory management doesn’t keep pace with growth?

Inventory management is often relatively simple in the early stages of a business. A smaller product range, fewer orders and one primary sales channel mean there are fewer variables to manage.

Growth, however, changes that. New products are introduced. Order volumes increase. Additional sales channels are added and wholesale and retail customers may have different requirements. The inventory processes that worked at an earlier stage may no longer provide the visibility or control your business needs.

This is one of the points at which outsourcing fulfilment can become particularly valuable. Rather than continually expanding internal warehouse space, systems and staff, you may choose to work with a third-party logistics partner (3PL) that already has the infrastructure and processes in place.

How 3PL can support inventory management

At 3PL, inventory management is an integral part of the fulfilment service we deliver. Our inventory management service covers the physical handling of stock alongside the systems and processes needed to maintain accurate inventory records. This includes receiving, checking and storing stock, inventory tracking, stock control and supporting fulfilment and returns for both Direct-to-Consumer (D2C) and multi-channel brands.

Because inventory is managed alongside order fulfilment, there’s a direct connection between stock availability and the orders being processed. This is extremely useful for growing businesses that need to maintain control without investing in additional warehouse space, equipment and operational resource.

Inventory management that supports growth

The importance of inventory management becomes increasingly apparent as your business grows. What begins as a straightforward stock-counting exercise can quickly become a complex process involving multiple products, sales channels, suppliers and customer requirements.

But the objective remains the same: to have accurate information about your stock and use it to make better operational decisions.

For some businesses, that can be achieved through stronger internal processes and better technology. For others, outsourcing inventory management and fulfilment to a specialist 3PL provides a more flexible, scalable solution.

At 3PL, we combine extensive experience, Grade A warehousing space and advanced fulfilment technology to help you maintain visibility and control as your business grows.

If inventory is becoming harder to manage, or your current fulfilment setup is starting to limit your growth, use our online pricing tool or have a chat with our team about your requirements.