Pierre-Alain Guillaume

Pierre-Alain Guillaume


t: +41 (0)22 702 0700

f: +41 (0)22 702 0701

Pierre-Alain Guillaume heads the tax group of Chabrier Avocats SA.

Notable work
  • Tax optimization of Swiss and international groups of companies;
  • Tax advice on the restructuring of Swiss and international groups of companies;
  • Tax due diligence with a view to the acquisition of Swiss companies;
  • Tax assistance on the sale of Swiss companies;
  • Negotiating and obtaining special tax status for companies in Switzerland (for example: management company (société auxiliaire or société de base) status; holding company status);
  • Tax and estate planning for individuals resident in Switzerland;
  • Negotiation of private tax assessments in various Swiss cantons (Geneva, Vaud, Valais, Schwyz, Grisons, Ticino) for European and non-European nationals;
  • Assistance to individuals residing in Switzerland intending to move abroad for tax purposes;
  • Assistance and representation for individuals or businesses in tax litigation before administrative and judicial authorities in Switzerland, including administrative criminal law, assistance to individuals and companies faced with a request for international assistance in tax matters (exchange of information).

After obtaining his attorney's certificate in Geneva in 1995, Pierre-Alain Guillaume joined the tax department of Arthur Andersen in Geneva. From 1999 he worked with attorneys Oberson in Geneva and Lausanne, where he became a partner in 2004. He founded GLM Avocats in 2007 and joined Chabrier Avocats SA in 2009, for which he created and heads the tax group.

Practice Areas