Jan is a co-founder of AVENIAS advisory group.

Jan has been active in the consulting profession since 2003. Prior to founding AVENIAS he had been working as a consultant and manager for a Big 4 consulting company for eleven years (2004-2015). His previous working experience in advisory services includes working for an advisory firm with German capital (2003-2004). During his university studies Jan worked for the Trade Department of the French Embassy in Slovakia and as an editor of economic desk in a Slovak press agency.

During his professional career Jan has advised a wide array of companies and individuals on compliance issues, tax planning projects, transfer pricing issues and analysis of investment/divestment structures.


  • Comenius University, Faculty of Law (Mgr.)
  • Comenius University, Faculty of Management (Mgr.)
  • Universität Mannheim, Fakultät für Betriebswirtschaftslehre (educational exchange)
  • Lycée Camille Jullian, Bordeaux (baccalauréat général: mention bien)


  • Slovak
  • English
  • German
  • French


  • Tel.: +421 915 758 808
  • Email: jan.vajcik (at) avenias.com
  • Jan on LinkedIn