The Cantonal Tax Office (Steuerverwaltung) is where any issues relating to corporate tax should be addressed. Corporate bodies in the Canton of Zug pay tax both on income and tax on capital (equity). The tax scales are proportional, with a lower scale applying in the case of incomebelow CHF 100,000. The maximum amount of tax levied on income is around 15.1% of the income before tax (as of 2012). The maximum amount of tax levied on capital is around 0.75‰ (as of 2012). At these levels, the Canton of Zug belongs to the most favourable cantons in relation to tax in the whole of Switzerland.

Furthermore, there are advantageous tax regulations with regard to holding companies, domicile companies and mixed companies. (see Tax Benefits)

You can find help on tax calculation (in German) here.

Steuerverwaltung
Juristische Personen
Bahnhofstrasse 26
6300 Zug
Tel. +41 41 728 36 51
Fax +41 41 728 26 96
internet.stv@zg.ch

The brochure Zug: doing business, published by the Cantonal Department of Economic Affairs, provides a good overview of the Zug tax system.

The Swiss Federal Tax Administration Office in Bern (www.estv.admin.ch)
is where any issues relating to withholding tax, stamp duty and value-added tax should be addressed. The reimbursement of withholding tax to corporate bodies is made in a different way from reimbursement to individuals, also through the Swiss Federal Tax Administration Office.