Amazon Business Agreement Update August 2026

What Has Changed?

Amazon has updated Clause S-4 of its Business Solutions Agreement by changing the way referral fees are calculated for certain Amazon Business transactions.

Previously, referral fees for some qualifying Amazon Business orders were calculated using the Sales Proceeds. Under the updated agreement, these fees will instead be calculated using the Fee Base Amount.

The purpose of this change is to align referral fee calculations for Amazon Business orders with those used for standard consumer orders, creating a more consistent approach across Amazon’s European marketplaces.

Who Is Most Affected?

This update is most relevant for sellers who:

• Sell across multiple Amazon European marketplaces
• Use Pan-European FBA
• Operate cross-border fulfilment
• Supply products to Amazon Business customers
• Manage VAT registrations in multiple European countries

If your products are sold through different European Amazon marketplaces or shipped between countries with different VAT rates, you may notice small differences in referral fee calculations.

Why Has Amazon Made This Change?

VAT rates vary across European countries, which can sometimes affect how referral fees are calculated.

By introducing the Fee Base Amount as the standard calculation method, Amazon aims to provide a more transparent and consistent fee structure regardless of where a product is sold or fulfilled within Europe.

For most sellers, this change simplifies fee calculations while improving consistency across Amazon Business transactions.

Does This Affect Amazon Prep Centres?

In short, no.

This update does not introduce any changes to Amazon’s operational or FBA preparation requirements.

• FNSKU labelling
• Polybagging requirements
• Bubble wrapping
• Carton preparation
• Shipment creation
• Amazon inbound shipping requirements
• Product preparation standards

However, prep centres should be aware of the update because their clients’ referral fees may change slightly depending on where they sell and fulfil their products within Europe.

What Should Amazon Sellers Do?

Most sellers do not need to make any immediate changes within Seller Central.

However, it is a good opportunity to:

• Review your referral fee calculations.
• Reassess profitability for Amazon Business orders.
• Check cross-border pricing if you sell across multiple European marketplaces.
• Ensure your VAT arrangements remain appropriate for your fulfilment strategy.
• Read the updated Business Solutions Agreement to understand how the changes apply to your business.

Key Takeaways

The updated Business Solutions Agreement came into effect on 1 August 2026 and standardises the way Amazon calculates referral fees for certain Amazon Business orders across Europe.

While the update is unlikely to affect day-to-day operations for most sellers, businesses selling internationally should review their costs and profit margins to ensure their pricing remains competitive.

Importantly, this update does not change Amazon FBA preparation requirements or introduce any new packaging or labelling rules.

Final Thoughts

Amazon regularly updates its policies to improve consistency across its European marketplaces. Although this latest Business Solutions Agreement update is largely administrative, it serves as a reminder that sellers should regularly review Amazon policy changes to ensure they remain compliant and fully understand how updates may affect their business.

Whether you are an established Amazon seller or work with a professional Amazon prep centre, staying informed about policy changes can help you avoid unexpected costs and make better business decisions as your business grows.