Post-Brexit VAT Rules for Sales from the UK to the EU

Post-Brexit VAT rules have reshaped how UK businesses sell to customers in the European Union. Since the UK became a third country for EU VAT purposes on January 1, 2021, cross-border sales now require new VAT registrations, compliance schemes, and import procedures. HMRC continues to administer UK VAT, while EU sales may involve Non-Union OSS, IOSS, or local EU VAT registrations.

UK–EU trade no longer benefits from intra-EU VAT treatment. Goods sold to EU consumers are treated as exports from the UK and imports into the EU, triggering customs formalities, import VAT, and possible duties, while services follow EU place-of-supply rules. Understanding these changes and available simplification options helps UK businesses maintain EU market access while controlling VAT costs and compliance risk.

This guide explains post-Brexit VAT obligations for UK-to-EU sales, from export requirements to EU compliance schemes.

Key Highlights

• UK businesses are now third-country operators: No longer part of the EU VAT system; treated as non-EU businesses requiring different registration and compliance approaches
• Three main compliance routes available: Non-Union OSS for digital services, IOSS for goods under €150, or traditional EU VAT registrations in member states
• Customs and import VAT now apply: Goods exports require customs declarations; EU customers face import VAT and potential duties unless special schemes are used
• Northern Ireland has special status: Northern Ireland Protocol creates unique rules where NI businesses can access some EU schemes unavailable to GB businesses
• No €10,000 threshold benefit: UK businesses cannot use distance selling thresholds; must charge destination country VAT from first sale or use appropriate schemes

Understanding Post-Brexit VAT Changes

Brexit fundamentally altered the VAT relationship between the UK and EU, transforming what was previously domestic EU trade into international commerce with significant compliance implications.

What Changed on January 1, 2021

Before Brexit, UK businesses operated within the EU VAT system, benefiting from intra-community supply rules, distance selling thresholds in each member state, and VAT-free movement of goods between the UK and the EU until consumption.

After Brexit: UK became a third country for EU VAT purposes, creating:

• Customs border between the UK and the EU (excluding Northern Ireland for goods)
• Export/import procedures for goods
• Import VAT and customs duties for EU customers
• Loss of access to EU simplification schemes for UK businesses
• Need for EU VAT registrations or use of third-country schemes

UK Business Options for EU VAT Compliance

UK businesses have several routes to manage EU VAT obligations depending on what they sell and to whom.

1. Non-Union OSS (One Stop Shop)

What It Covers: Telecommunications, broadcasting, and electronically supplied (TBE) services to EU consumers.

How It Works:

• Register for Non-Union OSS in any single EU member state
• File quarterly returns covering all TBE services to EU consumers
• Pay VAT to the registration country, which is distributed to consumption countries
• No EU establishment required

Who Should Use: UK businesses providing digital services (software subscriptions, streaming, online courses, cloud services) to EU consumers.

What It Doesn’t Cover: Physical goods or services requiring physical presence.

Example: A UK-based SaaS company providing project management software to consumers across France, Germany, and Spain registers for Non-Union OSS in Ireland, files one quarterly return covering all EU sales, and pays all VAT to Irish Revenue.

2. IOSS (Import One-Stop Shop)

What It Covers: Distance sales of goods imported from third countries (including the UK) valued at €150 or less to EU consumers.

How It Works:

• Register for IOSS in any single EU member state
• Collect and remit VAT at the point of sale
• File monthly returns
• Goods clear customs without import VAT charged to the customer
• Eliminates customer-facing import VAT delays and charges

Who Should Use: UK e-commerce businesses selling lower-value goods directly to EU consumers.

What It Doesn’t Cover: Goods over €150, excise goods, or sales through online marketplaces (marketplace becomes responsible).

Example: A UK fashion retailer selling clothes averaging £80 per order to customers across the EU registers for IOSS in the Netherlands, charges Dutch, French, or German VAT depending on customer location at checkout, and files monthly returns consolidating all EU sales.

3. Traditional EU VAT Registrations

What It Covers: All supplies requiring EU VAT registration, goods over €150, B2B supplies, services not covered by OSS/IOSS, or when local presence/inventory exists.

How It Works:

• Register for VAT in each EU member state where taxable supplies occur
• File local VAT returns (monthly, bi-monthly, or quarterly, depending on country)
• Comply with each country’s invoicing, reporting, and payment requirements
• May require fiscal representatives in some countries

Who Should Use: UK businesses with significant EU operations, high-value goods, EU warehouses, or complex supply chains.

Example: A UK manufacturer with warehouses in Germany and France, selling industrial equipment to both businesses and consumers, maintains VAT registrations in both countries, plus any others where distance selling thresholds would previously have applied.

Comparison of Routes

This table compares the main EU VAT compliance routes available to non-EU businesses, highlighting how each option applies to different transaction types and reporting requirements.

How to Register for Non-Union OSS from the UK

UK businesses selling digital services to EU consumers should register for Non-Union OSS to simplify VAT compliance.

Choosing Registration Country

UK businesses can register in any EU member state. Common choices include:

Ireland:

• English-language services
• Cultural and business familiarity
• Revenue Online Service (ROS) portal
• Strong support for international businesses

Netherlands:

• English-language portal support
• Efficient processing
• Business-friendly environment

Germany:

• Largest EU market
• BZOnline portal
• Comprehensive guidance available

Considerations: Choose based on language support, portal usability, and any existing business relationships or local presence.

Registration Steps (Using Ireland as an Example)

Step 1: Gather Required Information

• UK business details (company name, registration number, VAT number)
• Business address in the UK
• Description of digital services provided
• Contact information
• Bank details for potential refunds

Step 2: Access Registration Portal

Navigate to Revenue, i.e., and access the Non-Union OSS registration section. Create a ROS (Revenue Online Service) account if you don’t have one.

Step 3: Complete Application

Provide:

• Legal business name and UK registration details
• The trading name is different
• UK business address
• Contact person details
• Email for official communications
• Description of TBE services
• Declaration of non-EU establishment status
• List of EU countries where supplies are expected

Step 4: Submit and Await Confirmation

Submit an electronic application. Revenue reviews and, upon approval, issues a Non-Union OSS identification number (format: EU372xxxxxxxxx for Ireland).

How to Register for IOSS from the UK

UK businesses selling goods valued at €150 or less to EU consumers should consider IOSS registration. Here’s how to register:

Step 1: Choose Registration Country

Select any EU member state. Popular choices for UK businesses include Ireland, the Netherlands, or countries where you have existing relationships.

Step 2: Decide on Direct or Intermediary Registration

Direct Registration: Register yourself directly with the chosen member state tax authority.

Intermediary Registration: Use an IOSS intermediary (a business established in the EU that registers on your behalf and takes joint liability). Required if you have no EU establishment and prefer not to register directly.

Step 3: Access the IOSS Portal

Navigate to the chosen member state’s tax authority website and locate the IOSS registration section.

Step 4: Complete Application

Provide:

• UK business identification
• Description of goods sold
• Anticipated sales volumes
• Contact and bank details
• Intermediary details (if using)

Step 5: Receive the IOSS Number

Upon approval, receive the IOSS identification number (format: IMxxxxxxxxx). This number must be provided to postal operators or carriers for customs clearance.

Step 6: Implement in Sales Systems

Configure the e-commerce platform to:

• Collect destination country VAT at checkout
• Display the IOSS number on customs declarations
• Track sales by destination member state

Filing Non-Union OSS Returns

UK businesses registered for Non-Union OSS must file quarterly returns covering all digital services to EU consumers.

Filing Deadlines

• Q1 (Jan-Mar): Due by April 30
• Q2 (Apr-Jun): Due by July 31
• Q3 (Jul-Sep): Due by October 31
• Q4 (Oct-Dec): Due by January 31 (following year)

Filing Process

Step 1: Compile Sales Data

For each EU member state where digital services are provided:

• Total sales value (excluding VAT)
• Applicable VAT rate by country
• Customer location evidence
• Any credits or adjustments

Step 2: Access Portal

Log into registration country’s tax portal (e.g., ROS for Ireland).

Step 3: Complete Return

Enter sales and VAT for each EU member state. The system calculates the total VAT due.

Step 4: Submit and Pay

Submit the return and make a single payment to the registration country. They distribute VAT to the respective member states.

Zero Returns: File even with no sales to maintain registration status.

Filing IOSS Returns

UK businesses using the IOSS file monthly returns covering all eligible goods sales to EU consumers.

Filing Deadlines

Returns due by the end of the month following the month of supply (e.g., January sales due by February 28/29).

Filing Process

Step 1: Compile Monthly Data

Record for each EU member state:

• Total sales value
• VAT collected by rate
• Number of transactions
• Any returns or adjustments

Step 2: Submit Return

Access the registration country portal and complete the monthly IOSS return with sales breakdown by member state.

Step 3: Make Payment

Pay the total VAT collected to the registration country by the deadline.

Currency: Report in euros. Convert GBP sales using ECB exchange rates.

VAT Treatment of Goods from the UK to the EU

Physical goods sold from the UK to the EU face different VAT treatment than pre-Brexit.

UK VAT Treatment (Export Side)

Zero-Rating: UK businesses zero-rate goods exported to EU customers, provided:

• Goods physically leave the UK
• Export documented with a commercial invoice
• Evidence of export obtained (shipping documents, courier confirmation)
• Customer VAT number obtained (for B2B) or consumer details (for B2C)

Documentation Required:

• Commercial invoice showing zero-rated export
• Proof of export (bill of lading, airway bill, courier tracking showing EU delivery)
• Customer details and declaration

EU VAT Treatment (Import Side)

Without IOSS (Goods ≤€150):

• Import VAT is charged at the destination country rate
• The carrier or postal service collects from the customer
• Creates delays and additional handling fees
• Poor customer experience

With IOSS (Goods ≤€150):

• VAT collected at the sale by a UK seller
• Goods clear customs without import VAT
• Better customer experience
• No surprise charges

Goods Over €150:

• Always subject to import VAT at the destination
• Customs duties may apply depending on product classification
• The customer or their customs broker handles import clearance
• DDP (Delivered Duty Paid) shipping is recommended for a better experience

VAT Treatment of Services from the UK to the EU

Service VAT treatment depends on the service type and customer classification.

General Place of Supply Rules

• B2C Services: Generally taxed where the supplier belongs (UK VAT applies).
• B2B Services: Generally taxed where the customer belongs (EU customer accounts for VAT via reverse charge).

Digital Services Exception

B2C Digital Services: Taxed where the customer belongs (EU member state). UK businesses must:

• Register for Non-Union OSS, or
• Register for VAT in each EU country where customers are located

Services include: streaming, software, online gaming, e-learning, cloud services, website supply, and downloads.

Northern Ireland Special Status

The Northern Ireland Protocol creates unique VAT rules for businesses in Northern Ireland.

Northern Ireland Protocol Overview

• Goods: Northern Ireland follows EU VAT rules for goods, remaining in the EU single market for goods purposes.
• Services: Northern Ireland follows UK VAT rules for services.

Implications for NI Businesses

Sales of Goods from NI to the EU:

• Treated as intra-EU supplies
• Can use EU distance selling thresholds
• Can register for Union OSS (not available to GB businesses)
• Can use IOSS
• No customs declarations for most goods

Sales of Goods from NI to GB:

• Generally, no customs formalities for goods not “at risk” of moving to the EU
• Complex rules for goods “at risk.”

Sales of Services: Follow UK rules; can use Non-Union OSS for digital services to the EU.

Record-Keeping Requirements

UK businesses selling to the EU must maintain comprehensive records.

For OSS/IOSS

Retention Period: 10 years from December 31 of the transaction year (EU requirement).

Records Required:

• Transaction invoices and sales records
• Customer location evidence (minimum two pieces: address, IP, bank location, mobile country code)
• OSS/IOSS returns and payment confirmations
• VAT rate justifications by country
• Credit notes and adjustments
• Currency conversion calculations

For UK Exports

Retention Period: 6 years (UK requirement), but maintain 10 years for EU audit access.

Records Required:

• Commercial invoices showing zero-rating
• Export documentation (shipping documents, customs declarations)
• Proof of export (carrier confirmation, tracking)
• Customer details (VAT number for B2B, consumer details for B2C)

For EU VAT Registrations

Follow each member state’s requirements (typically 10 years).

Common Challenges and Solutions

Businesses frequently encounter challenges when implementing and maintaining OSS compliance in the UK.

Challenge: Customer Confusion Over Import Charges

EU customers face unexpected import VAT and handling fees at delivery.
Solutions: Use IOSS for goods under €150, disclose charges upfront, consider DDP shipping for higher-value goods, and show all-inclusive pricing where possible.

Challenge: Customs Delays

Goods are delayed at EU customs.
Solutions: File accurate customs declarations, use experienced EU carriers, submit complete documentation, and apply IOSS to speed clearance where eligible.

Challenge: Multiple EU VAT Registrations

Managing VAT registrations across several countries increases admin workload.
Solutions: Use OSS/IOSS where possible, reduce warehousing locations, assess market viability, and work with local advisors.

Challenge: VAT Rate Determination

Applying the correct destination VAT rate can be complex.
Solutions: Automate VAT calculation, use tax plugins or services, keep rate databases updated, and confirm customer location with multiple data points.

Challenge: Returns and Refunds

VAT treatment for returns and cancellations is unclear.
Solutions: Adjust OSS/IOSS returns in the period of the credit note, retain export evidence for returns, link refunds to original sales, and track VAT on return shipping.

Strengthening VAT Compliance Across Markets

Managing post-Brexit VAT across the UK and EU requires accurate data, clear processes, and reliable documentation. Commenda addresses this through an AI-powered compliance platform built for cross-border VAT obligations.

• Automated Cross-Border VAT Management: Commenda tracks UK-to-EU sales in real time, classifies transactions by scheme (OSS, IOSS, or local VAT), applies correct destination VAT rates, prepares OSS and IOSS returns, and maintains full audit trails.
• Multi-Jurisdiction Coordination: A unified dashboard consolidates UK VAT, EU OSS, IOSS, and local registrations, with real-time visibility into filings, payments, deadlines, and automated reminders.
• Export Documentation: The platform generates compliant commercial invoices, tracks export evidence, stores proof of export, and links documentation directly to VAT filings.
• Smart Rate and Scheme Management: Commenda keeps EU VAT rates up to date, validates customer location data, recommends the appropriate compliance route, and adjusts automatically when rules or rates change.

Explore how Commenda reduces the administrative burden of OSS reporting while improving VAT accuracy and control. Book a free demo today.

Frequently Asked Questions

Q. Can UK businesses still use the EU VAT OSS Union scheme?

No. UK businesses are treated as third-country sellers and cannot use Union OSS. They may use Non-Union OSS for digital services or register locally in EU member states. Northern Ireland businesses follow different rules.

Q. Do I need to charge VAT on all UK-to-EU sales?

It depends. Goods are zero-rated for UK VAT, but EU import VAT applies. IOSS can be used for goods ≤€150. Digital services require destination-country VAT via Non-Union OSS. Other B2C services usually fall under UK VAT.

Q. What happens if I don’t register for IOSS?

EU customers pay import VAT and handling fees on delivery, often causing delays or refused shipments. IOSS avoids this by collecting VAT at checkout for goods ≤€150.

Q. Can I register for IOSS and Non-Union OSS in different EU countries?

Yes. They are separate schemes and can be registered in different member states, though many businesses choose one country for simplicity.

Q. How do I prove goods left the UK for VAT zero-rating?

Keep commercial invoices, shipping and tracking records, customs declarations, and customer details. Records should be retained for at least 6 years (10 years recommended).

Q. What’s the difference between IOSS and traditional EU VAT registration?

IOSS covers imported goods ≤€150 with one EU registration and monthly returns. Traditional VAT registration requires separate registrations and filings in each country and offers no import simplification.

Q. Do the rules differ for Northern Ireland businesses?

Yes. Northern Ireland follows EU VAT rules for goods and can use Union OSS, while services follow UK VAT rules. This gives NI sellers advantages for EU goods sales.