The participation exemption (réduction pour participation, Beteiligungsabzug) is a Swiss tax relief mechanism that effectively exempts dividends and capital gains received by Swiss companies from qualifying participations — shareholdings of at least 10% of equity or market value of at least CHF 1.0 million. The relief works by reducing the tax on these income items in proportion to their share of total income, resulting in near-zero taxation of qualifying participation income. It is the cornerstone of Swiss holding company tax efficiency and a key driver of group structuring decisions in M&A.

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Example: a Zurich SA receives CHF 2.0 million of dividends from a 15%-owned subsidiary (qualifying participation). Without the exemption, corporate tax at 11.9% would be CHF 238,000. With the participation exemption, the effective tax on this dividend is reduced to near zero — saving approximately CHF 230,000 annually. This tax efficiency makes Switzerland the preferred location for intermediate holding structures in Franco-Swiss corporate groups.

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Hectelion integrates participation exemption analysis into Swiss holding structuring and M&A advisory mandates, quantifying the tax benefits for group restructuring decisions.