Tax prep support
VAT OSS/IOSS return preparation support
We prepare VAT returns filed under the One Stop Shop and Import One Stop Shop schemes: OSS for cross-border B2C sales above EUR 10,000 a year in aggregate, IOSS for imported consignments up to EUR 150. Workpapers come from your sales-platform data, reviewed and filed by a credentialed local partner in your chosen member state of registration.
Tax working papers
Illustrative client · August 2026
EUR
- Year-end books closed and reconciledDone
- Fixed asset and depreciation scheduleDone
- Book-to-tax adjustments listedDone
- Supporting schedules for the preparerIn progress
- Handed to the signer for review and filingNext
Illustrative. An example of the document, not a client's figures.
One registration instead of dozens
Before OSS, a business selling to consumers in several EU member states often needed a local VAT registration in each one. OSS replaced that with a single registration in one member state covering qualifying cross-border sales of goods and telecom, broadcasting and electronic services across all 27. IOSS does the same job for imported goods, but only for consignments valued at EUR 150 or less, collecting VAT at the point of sale instead of at the border.
Who actually needs to register
The EUR 10,000 threshold is an aggregate figure across all your cross-border B2C sales in a calendar year, not per country. Below it, VAT can stay due in your home member state; above it, OSS becomes the practical route rather than dozens of separate registrations. We track your sales against that threshold month by month so the switch happens before it becomes a compliance problem, not after.
What the workpapers cover
We map each sale to the buyer's member state and its VAT rate (no member state's standard rate can sit below 15%), separate goods from digital services where the treatment differs, and prepare the quarterly OSS or monthly IOSS return from your Xero, QuickBooks Online or SAP Business One data. A distance-selling threshold monitor flags when a new country needs attention before the deadline, not during it.
Who files it
A credentialed local partner in your member state of registration reviews the finished workpaper and files the return. We prepare, they file. If ViDA's structured e-invoicing rules (mandatory for cross-border intra-EU B2B from 1 July 2030) change what your platform needs to produce, we flag it well ahead of that date rather than at the deadline.
Questions
Frequently asked questions: VAT OSS/IOSS return preparation support
What is the difference between OSS and IOSS?
OSS covers your own cross-border sales of goods and certain services to EU consumers. IOSS is specifically for goods imported from outside the EU in low-value consignments, capped at EUR 150 each.
Do we still need any local VAT registrations once we use OSS?
Usually one, in your home or chosen member state. OSS replaces the need for registrations in every other member state you sell into, though your domestic sales still follow your home country's normal VAT rules.
What happens if we go over the EUR 10,000 threshold mid-year?
You register for OSS from that point and charge the destination country's VAT rate going forward. We watch the running total so this is a planned switch, not a surprise.
Who signs and submits the actual return?
A credentialed local partner in your member state of registration files it after reviewing what we prepare. We never submit a VAT return ourselves.
Can OSS cover services as well as goods sold to EU consumers?
Yes, OSS covers cross-border B2C sales of goods and of telecom, broadcasting and electronic services; different services outside that scope may still need separate treatment, which we flag if it applies to your business. We flag which scope applies to your specific sales before preparing the return data.
Do we need to register in every country we sell to?
OSS and IOSS generally replace multiple local VAT registrations with one return covering all member states, which is why the scheme review comes first.
Who files the return?
A credentialed signer or registered partner in the relevant member state reviews and files the return we prepare.
What is included in vAT OSS/IOSS return preparation support?
VAT OSS/IOSS return preparation support covers cross-border sales mapped to the correct member-state VAT rate and oSS or IOSS scheme eligibility review. The exact scope is agreed and set out in writing before work starts, so you know precisely what is and is not covered before the first deliverable arrives.
How is vAT OSS/IOSS return preparation support priced?
Pricing for vAT OSS/IOSS return preparation support depends on your transaction volume, the software you use, and how much cleanup is needed before ongoing work starts. Current ranges are published on the pricing page, and your exact fee is confirmed in writing before anything begins.
Related services
Industries
- Ecommerce (Amazon and Shopify)Bookkeeping for online sellers on Amazon, Shopify, Etsy and their own storefronts, built around clean payout and sales tax data.
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- ManufacturingBookkeeping for small and mid-size manufacturers tracking raw materials, work in process and finished goods inventory.
Next step
Talk to the team that would run your books
A short call covers your setup, your software and what a first month would look like. You get a written scope and price after it.