About us

Attorneys at law

Lic. iur. Rena Wisler graduated in 2004 from the Faculty of Law at the University of Bern (Switzerland) with a licentiate degree. This was followed by an internship at the Superior Court of San Diego (California) as well as several years’ as a legal intern with a small corporate law firm in Zurich. In 2007 she was admitted to the bar in the Swiss canton of Zurich.

Subsequently she practiced for several years as Legal Counsel and Head Legal Counsel for nationally and internationally active companies in the construction, energy, and IT sectors. Her mandates included the provision of legal advice for the management and the Group Executive Board, the negotiation of contracts, the representation of the companies before public authorities and courts, and the management of external lawyers. In 2010 she founded what is today the Wisler Legal Law Office. She is a member of the Zurich Bar Association (ZAV) and the Swiss Bar Association (SAV). In addition to her activities as an attorney at law, Rena Wisler is a member of the Board of Directors of various companies. She speaks German and English.

External legal advisors

lic. iur. Luisa-F. Vogelsang
Attorney at law, Zurich

  • Marriage and family law
  • Child representation
  • Foreigner law

lic. iur. Thomas Christmann
LL.M., attorney at law, notary, Zug

  • Commercial and corporate law
  • Capital markets law
  • Mergers and acquisitions
  • Certifications
  • Notarizations

lic. iur. Claudia Steiger
Attorney at law, mediator (SVA), Zurich

  • Constitutional and administrative law
  • Construction, planning, and environmental law
  • Real estate law
  • State liability law
  • Public personnel law
  • Public procurement law

External tax advisors

lic. oec. HSG Peter Sebestyen
Swiss certified tax expert

  • Tax consultant
  • Specialization in international tax law

Andrea Stoffel
Swiss certified fiduciary expert

  • Tax consultant
  • Specialization in accounting, salaries, and VAT

lic. oec. publ. Christoph M. Meier
Swiss certified VAT expert FH

  • Tax consultant
  • Specialization in VAT