OSS Filing for Amazon Sellers

Save time and simplify your quarterly cross-border VAT filings simply by a drag and drop of your Transaction Reports here in your browser.


Your sales data belongs to you and will only be stored on your computer. We don't see it, we don't store it.


For Amazon Sellers who report OSS VAT tax in Germany.


WE ARE LOOKING FOR TESTERS NOW. Give it a try and let us know your feedback!

Union-OSS (One Stop Shop) VAT Filing with OSS Buddy

Who must register for OSS and when?

As an Amazon Seller, you have to register for OSS and file OSS reports quarterly if:

  • If your products are stored in the EU and cross a European border on their way to your EU based customer.
  • Your annual sales surpass 10.000 € for EU companies.

What does OSS Buddy do for you?

Making OSS filing simple, fast & affordable with NO hidden cost:

  1. 1
    Download your VAT transaction reports from Amazon SellerCentral quarterly.
  2. 2
    Upload reports to OSS Buddy.
  3. 3
    Download the OSS report CSV file instantly.
  4. 4
    Upload the CSV to the Government Elster Portal (Germany) and file OSS.
  5. 5
    Done! Relax and enjoy your free Time!

File your OSS VAT Tax easy, fast and inexpensive!


Simplicity in Compliance

Even with the complexity of the OSS system, OSS Buddy makes it easy to stay compliant, giving you more time to focus on your Amazon business.

Tailored for Amazon Sellers

Designed with Amazon sellers in mind, OSS Buddy understands the unique demands of your business and simplifies the VAT filing process to meet those needs.

Own your Data - real Privacy

Stay in control of your Data. Your Data will only be stored on your computer - no upload to the cloud required. 

Time-Saving CSV Export

OSS Buddy compiles all your cross-border VAT data into one downloadable CSV file, eliminating the need for manual calculations and data entry.

Convenience at Your Fingertips

No more juggling multiple spreadsheets or worrying about missing data. OSS Buddy provides a comprehensive CSV file, ready-to-upload to the tax portal (Elster System).

Check it Out!

Join now as a tester and use the tool for 6 month for free!

Streamline OSS Compliance for Your Amazon Business

  • For EU Amazon Sellers who report OSS VAT in Germany
  • Easy and straigth forward
  • OSSbuddy generates your OSS report ready for ELSTER
  • Become a tester and use OSSbuddy for FREE (for 6 months)
  • Limited tester spots available

For testers the first 6 months are free.
After 6 months 19 € per month will be charged.

Your can cancel your subscription at any time.