A qualified participation (participation qualifiée) in Swiss tax law is a shareholding of at least 10% of a company's share capital, or with a fair market value of at least CHF 1.0 million. This threshold triggers eligibility for the Swiss participation exemption (réduction pour participation), which effectively exempts dividends and qualifying capital gains received from subsidiaries from corporate income tax. It is a cornerstone of Swiss holding company tax efficiency and a key structuring criterion in M&A transactions and group reorganisations involving Swiss entities.

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Example: a Zurich SA holds 15% of a Geneva subsidiary's capital (qualified participation, above 10% threshold). Dividends received benefit from the participation exemption, reducing the effective tax rate on this income from 11.9% to near zero. Had the participation been 8%, the exemption would not apply — a CHF 200,000+ annual tax difference that frequently justifies structuring cross-holdings at or above the 10% threshold.

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Hectelion integrates qualified participation thresholds into Swiss financial structuring and acquisition advisory to optimise the tax efficiency of holding structures.