Santiago Viglierchio
PartnerSantiago Viglierchio is an expert in litigation, arbitration, and corporate dispute resolution, with extensive experience in Spain and internationally
With over 25 years of experience, Santiago advises companies on civil and commercial litigation, negotiation, consumer protection, antitrust law, and fair trade practices. His career includes representation in contentious proceedings and the defense of corporate interests before various judicial bodies.
Education
- Law Degree, University of Buenos Aires (1998)
Admissions
- Bar Association of the City of Buenos Aires (1998)
- Bar Association of the Province of Buenos Aires (1999)
Related services
- Banking and Finance
- Litigation and Arbitration
- Public and Regulatory
Related insights

Resolution 277/2026, which came into force on 29 June 2026, establishes SIGIM, a platform that will forward notifications of compulsory pre-litigation mediation to ARCA’s electronic tax address.

With this move, ECIJA reinforces its position as the Spanish law firm with the largest presence in Latin America, with a total of 16 territories and 27 offices....





