Guides
Topics that need more than a short answer
Tax returnsYour tax assessment looks wrong: how to challenge itThe objection, its 30-day deadline and what it must contain.Checked on 27 September 2026Tax returnsUndeclared income or assets: putting things right through voluntary disclosurePutting things right without a fine the first time: conditions, back taxes and the procedure by canton.Checked on 12 October 2026Withholding taxCross-border commuters working from home: where is the salary taxed?The remote work limit between France and Switzerland, in force since 2026.Checked on 27 September 2026VATServices bought abroad: the acquisition taxWhy an organisation that is not VAT-registered can owe VAT on a service bought abroad.Checked on 27 September 2026Starting a businessFrom sole proprietorship to Sàrl, without tax on the moveThe three conditions for a tax-neutral move, and the five-year period to watch.Checked on 27 September 2026