Swiss Institute of Certified Accountants and Tax Consultants
www.treuhand-kammer.ch

Zuger Treuhändervereinigung

http://www.ztv-zug.ch/de/index.html

Financial Services Standards Association (VQF)

http://www.vqf.ch/ 

Swiss Audit Corporation Ltd.

www.srgch.ch

International Legal Consultants (ILC)
www.ilc-group.net

National Tax Authority
www.estv.admin.ch

Tax Authority Canton Zug
www.zug.ch/tax

Tax Authority Canton Zürich
www.kanton.zh.ch

Tax Authority Canton Luzern
www.steuernluzern.ch

Tax Authority Canton Aargau
www.ag.ch

Tax Authority Canton Schwyz
www.schwyz.ch/steuern/index.htm