We help Americans living in Europe to file US taxes and prevent double taxation. Based on your situation we introduce you to a US tax advisor. Free of charge and free of any obligations.

Which countries does AOS serve?

Outside of the United States, AOS provides services worldwide. Our main office is located in Amsterdam, The Netherlands. Our operating hours follow local time and we try to respond to all inquiries within 48 hours.

Do you have questions or need help? Please feel free to contact us. Free of charge and free of any obligation.

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