Guides
E-Tax SG 2026: online tax return in St. Gallen
How E-Tax SG works and what to prepare for the online tax return in the Canton of St. Gallen.
E-Tax SG is the Canton of St. Gallen’s web-based solution for preparing and submitting the tax return electronically.
Access is handled through the official government login. The return can be worked on from common devices with a modern browser.
Good preparation remains important even with an online return. Have salary certificates, bank and securities statements, pension documents, work costs, medical expenses, childcare documents, debts and property records ready.
If you do not want to assess every entry yourself, you can prepare the documents and obtain professional support for the tax return. Simple cases start at CHF 89.
Official information