Swiss withholding tax on Swiss dividends
Switzerland imposes a 35 percent withholding tax on dividends and interest paid by Swiss companies and funds. For Swiss tax residents, this full 35 percent is refundable through the annual tax return. The dividend is then taxed at your normal income rate as investment income, with the withholding treated as a credit. For non-residents receiving Swiss dividends, recovery depends on the bilateral double taxation agreement with their country.
Foreign dividends received by Swiss residents
When a Swiss resident holds foreign equities that pay dividends, the foreign country typically withholds tax at source before the dividend arrives. US dividends are typically subject to 15 percent US withholding for Swiss residents under the Switzerland-US tax treaty. The Swiss resident then reports the gross dividend on their Swiss tax return and receives a foreign tax credit for the withholding already paid.
UCITS ETFs vs US ETFs: the dividend tax difference
For Swiss resident investors holding ETFs through a brokerage account, the fund domicile matters for withholding tax efficiency. European UCITS ETFs domiciled in Ireland or Luxembourg receive dividends as the fund-level recipient and benefit from Ireland or Luxembourg's treaty network, which in many cases provides better withholding rates on European dividends. For building a diversified global dividend portfolio, UCITS ETFs are typically more tax-efficient for Swiss residents.
Accumulating vs distributing: the Swiss tax treatment
Switzerland taxes the notional dividend income of accumulating funds even when no cash dividend is paid. The Swiss tax authority publishes a list of approved foreign funds and their deemed distribution amounts. If you hold an accumulating ETF that is on this list, you report the deemed distribution on your Swiss tax return each year and pay income tax on it. Checking whether a fund is on the approved list before investing is a worthwhile step for Swiss residents.