If your supplier regularly misses delivery dates, struggles to meet demand or can no longer support the complexity of your inventory, it may be time to consider a change.
For inventory-based businesses, changing suppliers is rarely a straightforward decision. The fear of ending a long-standing relationship or parting with a familiar process can make it tempting to stay put – not to mention the possibility of causing more disruption if the change goes badly.
Sometimes, the issue is not poor performance but stagnation. A supplier that once consistently exceeded expectations may now be doing little more than the bare minimum.
As any owner or manager will know, allowing these issues to persist can quickly lead to wider problems. Delays, stock shortages and poor communication can become routine when left unaddressed, placing unnecessary pressure on teams across the business.
This guide explains when it may be time to change suppliers, how to manage the transition with minimal disruption and how technology – such as supply chain management tools – can help you stay in control during the changeover.
Key takeaways
- Regularly reviewing how your suppliers are performing will help you address issues before they affect the availability of your stock.
- Introducing a new supplier gradually while phasing out your old one can reduce disruption during the transition.
- Using an ERP platform such as Khaos Control makes it easier to onboard new suppliers because teams can access accurate supplier, stock and purchasing information in one place.
When should your business change suppliers?
Put simply, it may be time to change suppliers when avoidable supply chain issues begin limiting your ability to grow.
Supplier relationships evolve over time, and it is easy to overlook small issues that crop up repeatedly. However, if you’re experiencing one or more of these warning signs, you should consider reassessing whether your current supplier is the right fit:
- Late deliveries: Orders regularly arrive later than agreed, making it difficult to maintain stock levels and fulfil customer demand.
- Declining quality: An increase in damaged goods, returns or quality issues starts affecting customer satisfaction.
- Unexpected price increases: Costs rise without warning or good reason, or invoices regularly contain errors and discrepancies.
- Limited flexibility: Your supplier cannot adapt when demand changes, making it difficult to scale up, reduce order volumes or respond to seasonal peaks.
- Poor communication and support: It becomes increasingly difficult to receive updates, resolve issues or speak to the right people when problems arise.
“Many businesses become accustomed to supplier issues over time. Delays, shortages and communication problems can gradually become accepted as normal, even when they are preventing the business from growing. At some point, businesses need to step back and ask whether their current supplier is still capable of supporting their ambitions – and make a change if the answer is no.”
Daniel Cuthew, Head of Sales and Marketing at Khaos Control
The six steps to switching suppliers safely
Changing suppliers requires careful planning, particularly for businesses managing large inventories or complex fulfilment processes. Here are six steps to help you plan and manage the transition.
Step 1: Review your existing agreements
Before approaching a new supplier, review your current contracts. Check notice periods, outstanding commitments and any clauses relating to product specifications, tooling or intellectual property. This reduces the risk of disputes during the changeover.
Step 2: Define what your business needs
A supplier change offers an opportunity to address existing frustrations rather than simply replacing one provider with another.
Consider the service levels your business now requires, including lead times, delivery performance, communication standards, minimum order quantities and quality requirements.
If your organisation works across multiple warehouses or across large catalogues of products, you should also consider whether a supplier has the capacity and infrastructure to support you as you grow.
Step 3: Assess alternative suppliers thoroughly
Carry out due diligence before committing to a new supplier. Speak to existing customers, review the supplier’s financial position and, where appropriate, order samples to assess quality first-hand. Try to understand how the supplier will perform as demand changes. Discuss expected lead times, ask how they would respond to sudden increases in order volumes and establish what contingency plans they have in place if disruption occurs.
Step 4: Trial the new supplier
Resist the temptation to switch everything at once. Instead, begin with a smaller order or a limited product range so you can see how the supplier performs in practice.
Step 5: Maintain continuity during the transition
Where possible, continue working with your existing supplier while onboarding the new provider. Running both relationships in parallel for a short period can help prevent stock shortages and gives your team time to resolve any issues before fully switching over.
Step 6: Complete the transition
Once the new supplier has demonstrated that they can deliver reliably and support your business effectively, you can begin moving your remaining order volumes across and winding down the existing relationship in line with your contractual obligations.
Common risks when changing suppliers
Stock shortages during the handover
Timing is critical when changing suppliers. Ending an existing agreement before the new supplier is fully established can leave warehouses without the stock needed to fulfil orders. Before making the switch, make sure you have enough safety stock in place to cover the transition period.
For businesses managing thousands of SKUs or high order volumes, even short interruptions in supply can have significant consequences.
Hidden costs
A lower unit price can make a new supplier look attractive at first glance. However, savings can quickly disappear when delivery charges, minimum order requirements or tighter payment terms stack up. Before making a decision, review the total cost of supply rather than comparing product prices alone.
Communication issues
Changing suppliers often means adapting to a new way of working. Your existing supplier may respond to queries within hours, while a new provider could rely on support tickets or longer response times. Discussing expectations early can prevent misunderstandings once orders start flowing.
How to manage new suppliers effectively
New supplier relationships need to be managed carefully, particularly during the first few months, when both businesses are still figuring out how to work together.
Start by agreeing clear expectations around lead times, communication and quality standards. This gives both parties a shared understanding of what good performance looks like and makes it easier to address issues before they become recurring problems.
It is also worth regularly reviewing how your supplier is performing. A supplier that consistently delivers complete orders on time during the first few months may struggle as volumes increase.
Quality of service and communication can also deteriorate over time. Spotting these changes as they happen will help you decide whether the supplier is right for you in the long run.
Finally, avoid becoming overly dependent on a single supplier, no matter how strong the relationship appears. Circumstances change, and having approved alternatives in place means you can respond quickly if supply issues arise.
“One of the most common mistakes businesses make when changing suppliers is assuming the hard work ends once a new contract has been signed. In practice, the transition period is where most problems occur. Assigning clear responsibility for the change, maintaining regular contact with both suppliers and holding additional safety stock can make the difference between a smooth transition and a disruptive one.”
Daniel Cuthew, Head of Sales and Marketing at Khaos Control
Centralising supplier management with ERP software
Once a new supplier has been chosen, the practical work of updating records, pricing information and purchasing arrangements begins. For businesses managing large inventories, this can involve reviewing and updating hundreds or even thousands of products.
Managing this process is difficult when information is stored in different places. The purchasing team may be working from one set of figures while finance is checking another, or warehouse staff may be waiting for deliveries that nobody has confirmed are on their way.
ERP software such as Khaos Control brings this information together in a single platform. When introducing a new supplier, teams can update pricing, lead times and product information centrally, reducing the risk of errors and ensuring everyone is working from the same information.
This also makes it easier to manage the transition itself. Purchasing teams can see current stock levels before placing orders, warehouse staff can track incoming deliveries, and managers can review how new suppliers are performing as the relationship develops.
Khaos Control can also automate stock replenishment by taking supplier lead times and reorder points into account. This helps businesses maintain appropriate stock levels throughout the transition without relying on manual checks or emergency orders.
Conclusion
The strongest supplier relationships are not necessarily the longest-standing or most convenient ones. They are the relationships that continue to support your business as it grows and changes over time.
With the right planning and the right information, changing suppliers does not need to be disruptive. Businesses that approach the transition methodically can absolutely keep their supply chain resilient in the long term.
For inventory-based businesses, ERP software is an essential part of this process. Introducing new suppliers, updating purchasing information and maintaining stock availability all become significantly easier when every team is working from a single source of truth.
Khaos Control gives businesses the confidence to jump ship without losing momentum. Instead of adapting their business around the limitations of their suppliers, organisations can make proactive decisions knowing their whole team can access accurate and consistent information.
Book a free demo now to see how Khaos Control can support your supplier management strategy.