OSS and IOSS for UK Shopify sellers: the 2026 position

Which route matches the transaction?

The European Commission's scheme overview describes the different scope. The schemes simplify specified VAT reporting; they are not a single registration that makes every transaction compliant.

IOSS for eligible low-value imported goods

IOSS can account for VAT on eligible distance sales of imported goods in consignments with intrinsic value not exceeding €150. Goods subject to excise duty are excluded. Check the whole consignment and the valuation rules, including separately stated transport and insurance, rather than treating €150 as a limit for each individual item.

Using IOSS generally means collecting the destination VAT at sale and reporting it through the import scheme. A Great Britain business normally needs an EU-established intermediary to use it. Ask what registration, records, returns and payment services the intermediary actually provides. See Irish Revenue's IOSS explanation.

IOSS is not mandatory for every low-value order. Other import arrangements exist, and their tax, importer and delivery responsibilities must be agreed with the carrier or logistics provider. Do not promise that IOSS guarantees same-day clearance, removes every carrier charge or improves refunds by a fixed percentage.

Provide the correct IOSS identification through the carrier's required secure customs-data process. Do not treat it as a public number to print on every parcel label. Check the actual integration and the data transmitted rather than relying on a checkout screenshot.

EU-held stock and Union OSS

A Great Britain seller holding goods in the EU may have local VAT obligations for that stock and its movements. Eligible cross-border consumer sales from EU stock can be reported through Union OSS. Domestic sales, imports and stock movements need their own treatment; special marketplace deemed-supplier rules can also change who accounts for VAT.

A VAT number or a warehouse location does not by itself settle whether you have an EU fixed establishment. That is a separate test involving the actual resources and arrangements. For a non-EU-established supplier using Union OSS for eligible goods, the registration-country rules depend on where dispatch starts. See the Commission's registration guidance.

For fulfilment networks such as Amazon FBA, get the actual stock-location and movement reports. Map dispatch and destination countries, domestic sales, marketplace-accounted VAT and returns. Do not assume a generic list of countries or one OSS number covers every warehouse obligation.

The €10,000 threshold is not a Great Britain exemption

The limited €10,000 place-of-supply threshold has conditions about establishment, dispatch location, transaction types and current and previous calendar-year sales. A business established in Great Britain cannot simply apply it as a tax-free allowance for EU orders. Holding EU stock does not create that allowance. The Commission explains the conditions.

Non-Union OSS concerns qualifying services supplied by businesses without an EU establishment. It is not a UK HMRC portal for Great Britain goods exports. The appropriate registration is through an EU Member State under that scheme's rules.

Keep Northern Ireland distinct

Northern Ireland has separate arrangements for goods and can have access to HMRC's Union OSS route where the conditions are met. That does not create an HMRC Non-Union OSS route for a Great Britain Shopify seller. Check the actual establishment and goods route using HMRC's Union OSS guidance.

The low-value customs change is already in force

The EU's temporary €3 customs-duty regime for qualifying low-value imports took effect on 1 July 2026. Its calculation uses the relevant item tariff classification, not simply one €3 charge for every parcel or every physical unit. Scope, declaration and preference conditions need checking with the customs provider. See the Commission's current guidance and legal references.

This is separate from VAT and does not itself remove the €150 IOSS VAT eligibility limit. Carrier charges and any separate handling fees also need their own check. Do not use an older forecast that described the July 2026 duty start as still undecided.

Match Shopify and fulfilment settings to the legal route

Check registrations, dispatch locations, product tax categories, destinations and who collects each charge. Configuring a registration in Shopify is not the act of registering with a tax authority, and the checkout calculation does not by itself confirm that returns or payments are completed.

Shopify's current documentation describes restrictions for mixed OSS/IOSS and duties configurations, with different handling under Managed Markets. Check your actual tax service and fulfilment arrangement rather than assuming both scheme switches can run together. Use the EU tax reference and current service and customs-change guidance.

Test representative orders for EU-stock sales, low-value imports, consignments above the IOSS limit, business customers and refunds. Reconcile the tax charged, carrier data, returns and payments. Keep live tests clearly identified so they do not inflate sales or enquiry results.

Returns, payments and corrections

Union and Non-Union OSS use quarterly reporting. IOSS uses monthly reporting. The return and payment are normally due by the end of the following month; check the actual scheme, registration authority, currency and payment reference. Nil returns can still be required while a registration is active.

For refunds or errors, follow the scheme's correction procedure and identify the original period and destination where required. Do not assume that every prior-quarter refund should be entered as a negative current sale. Penalties and interest depend on the relevant rules; the ordinary UK VAT penalty-point system cannot simply be copied onto every EU scheme. See the declaration and payment rules.

Keep a traceable multi-platform record

Retain the required records for ten years under the OSS rules and make them electronically available when required. Keep the order, destination, dispatch country, customer type, tax rate, payment, refund and correction evidence together. See the record-keeping guidance.

Reconcile Shopify and marketplace reports to payment-provider fees, refunds, currencies and bank settlements. A net bank deposit is not gross sales. Separate VAT accounted for by a marketplace from VAT you must account for, and avoid reporting the same sale twice. Input VAT is not deducted through an OSS return; check any domestic or refund route separately.

The UK VAT position still matters

A qualifying export from Great Britain can be zero-rated for UK VAT only when its conditions and evidence requirements are met. Zero-rated exports can still count towards UK taxable turnover. Do not assume EU tax collection removes UK registration or reporting obligations. Read HMRC's export notice.

Agree the actual support

The existing published e-commerce examples are single-platform UK VAT support from £500 a month, multi-platform or multi-currency work with OSS from £795, and Pan-EU FBA or seller groups from £1,295, excluding VAT. These describe different scopes, not a universal minimum fee for every LOYALS client. Your written quote confirms the entities, countries, platforms, returns and records included. An EU IOSS intermediary, local registrations, customs services and historic corrections are separately agreed and priced by the responsible provider.

Bring your stock locations, routes, customer mix, consignment values, registrations and recent reports to the initial call. Detailed cross-border analysis and implementation need their own written scope; they are not promised as the output of a free short call.

Frequently asked questions

Related guides and services

• E-commerce accountants
• VAT returns and digital reporting
• Current service fees