I applied online. The process took 2 weeks. I interviewed at Loyens & Loeff (Zürich)
Interview
One single interview in which the Interviewer asked some general questions about myself, my CV, and my motivation. Overall very pleasant experience. The interview took place in person at their firm.
One interview with the tax adviser and HR took place. Several important questions were raised about your professional experience, educational background, skills, and personal motivation to work and develop further as an intern.