Kosteliz & Co., Attorneys at Law, is a leading boutique law firm specializing in complex civil-commercial litigation, class actions and derivative suits, direct and indirect tax litigation, administrative law, and white-collar offenses. The firm represents business entities, public and private companies, high-profile businesspeople, and key figures in the public sphere. The firm handles particularly intricate and high-stakes cases, including shareholder and partnership disputes, derivative suits and class actions, officers’ liability claims, administrative petitions in diverse regulatory areas, as well as proceedings in the fields of tax and white-collar crime.