EORI numbers & International Shipping: What eCommerce Businesses Need to Know

News & Insights International Insights May 26, 2026 12:59:57 PM

Stuart McQueen

Shipping internationally as an eCommerce business brings opportunity, but it also comes with complexity. Customs delays, unexpected fees and compliance issues can disrupt operations and damage the customer experience.

One requirement that helps avoid many of these challenges is the EORI (Economic Operators Registration and Identification) number. This unique identifier plays a vital role in keeping international shipments moving smoothly through customs.

For eCommerce retailers, an EORI number isn’t just a regulatory box to tick. Without one, shipments can be delayed, held at customs or even refused entry — leading to frustrated customers and avoidable costs.

What Is an EORI Number?

An EORI number is a unique identification code used by customs authorities to track businesses that import or export goods. It was introduced to streamline customs processes within the European Union and the UK.

If your business trades goods internationally outside your local customs union, you’ll almost certainly need an EORI number. This is particularly important for eCommerce businesses selling cross‑border.

Following Brexit, UK businesses trading with the EU (and EU businesses trading with the UK) must have a valid EORI number in place. Without one, goods may be delayed, incur additional charges or be rejected at the border altogether.

Why Is an EORI Number Essential for eCommerce Businesses?

An EORI number plays a direct role in keeping your international operations efficient and compliant.

Faster customs clearance

Customs authorities use your EORI number to quickly identify your business and process shipments. This reduces delays and helps orders reach customers on time.

Reduced risk of penalties and disruption

Shipping without an EORI number can result in storage fees, missed delivery deadlines, fines or seizure of goods. Having one demonstrates compliance and reduces unnecessary risk.

Improved brand credibility

A valid EORI number signals that your business is professional, established and reliable. This builds trust with customers, couriers and international partners.

Better customer experience

Customs delays often translate into late deliveries and poor reviews. Efficient clearance supports consistent delivery times and protects your reputation in competitive international markets.

How to Apply for an EORI Number (UK Businesses)

Applying for an EORI number in the UK is straightforward and managed by HMRC. The application is completed online and usually takes just a few minutes.

The process in brief:

Visit the HMRC website and search for “Apply for an EORI number”.
Provide your business details, including company name, address and VAT number (if applicable).
Submit your application online.

In most cases, you’ll receive your EORI number immediately. Occasionally, HMRC may carry out additional checks, which can take up to five working days.

Using Your EORI Number in International Shipping

Once issued, your EORI number needs to be correctly integrated into your shipping process.

Ensure it appears on all customs declarations
Share it with your international courier or parcel carrier
Confirm it is recorded accurately in shipping and fulfilment systems

If your business operates multiple legal entities or locations, you may need more than one EORI number. Keep clear records and ensure the correct number is used for each shipment.

UK, EU and Northern Ireland EORI formats

GB EORI: Starts with GB, followed by 12 digits and ending in 000
Example: GB123456789000
EU and Northern Ireland EORI: Start with XI

Verifying the EORI numbers of suppliers and partners is also best practice. This helps avoid supply chain disruption and ensures compliance across your network.

You can check a GB EORI number here and an EU EORI number here.

Common EORI Number Mistakes (and How to Avoid Them)

Even with a simple application process, issues can still arise.

Incorrect formatting

A single missing digit or incorrect prefix can cause customs delays. Always double‑check EORI numbers when entering them into shipping systems and documents.

Out‑of‑date business details

If your company name, address or VAT status changes, your EORI details must be updated with HMRC. Failure to do so can result in delays or penalties.

Overlooking country‑specific requirements

While EORI numbers are widely used, customs regulations vary by country. Always check destination‑specific requirements and stay informed of regulatory changes.

The Benefits of Having an EORI Number

Beyond compliance, a valid EORI number supports long‑term international growth.

Simplifies customs processes and reduces paperwork friction
Minimises risk of fines, delays and legal issues
Supports AEO (Authorised Economic Operator) applications, enabling faster clearance and preferential treatment
Builds trust with international customers, carriers and partners

For growing eCommerce businesses, an EORI number is a foundational step towards scalable, reliable cross‑border shipping.

Conclusion

In international eCommerce, efficiency and compliance go hand in hand. An EORI number is more than a legal requirement — it’s a practical tool that helps protect delivery performance, customer satisfaction and brand reputation.

By understanding the requirements, applying early and embedding your EORI number into everyday shipping processes, you set your business up for smoother international trade and sustainable growth.