Easy to use
Digital processing. No paperwork. Understandable.
The fastest way to fill your tax return.
No more tedious typing. Everything digital.
Support with intelligent algorithms.
Highest Swiss security standards.
how does onetax.ch work?
onetax.ch is an online tax return software which, thanks to smart algorithms and artificial intelligence, allows you to complete your tax return faster than any other tax software solution. It is easy to use and you can submit your tax return in just five steps:
Register at onetax.ch.
Upload your previous year's tax return file.
Conveniently scan your documents with your smartphone or upload your documents as a PDF.
Complete your tax return prepared by onetax.ch.
Securely submit your tax return to the tax office with one click.
onetax.ch makes the difference
Direct submission to the tax office
Intelligent document handling
The fastest tax return on the market
Simple, user friendly, automated operation
Data extraction from documents with artificial intelligence
Document upload via smartphone or tablet