Switzerland: Tax

In a new landmark ruling 2C_506/2024 dated 4 May 2026 (intended for publication in the official collection), the Swiss Federal Supreme Court addressed for the first time the scope of attorney-client privilege where correspondence between a lawyer and a domestic tax authority is to be produced by that authority in response to a request made by a foreign state in international tax administrative assistance proceedings.

Switzerland's position as a leading global commodities trading hub is reinforced by competitive cantonal tax rates, efficient infrastructure, and a favourable regulatory environment.

Swiss lump-sum taxation is often described as if Switzerland offered a fixed annual tax package for wealthy foreign residents. This is misleading. In legal terms, taxation according to expenditure is a method for calculating a taxable base. It is not a flat fee, a separate tax rate or a Swiss residence permit. The real annual cost is usually driven by the highest relevant calculation input, not by the lowest published minimum.