MARTELLI ABOGADOS represents clients in lawsuits in all areas of the law before federal, national and provincial courts of Argentina, at all instances, including the Argentine Supreme Court of Justice. Due to the specialization areas of the Firm, its tasks include not only judicial instances but also extra-judicial instances, administrative proceedings and appeals and appearance before special courts, such as the Argentine Tax Court. The practice comprises both ordinary and extraordinary actions, which require absolute specialization as to procedural and constitutional matters.

Besides, the Firm gives advice to its clients on legal strategies aiming at achieving expeditious and practical agreements or the resolution of disputes. It has taken and takes part, actively, in arbitration proceedings, alternative systems for resolution of conflicts and mediation, and has a prominent practice in international arbitration.