DURÁN & OSORIO ABOGADOS ASOCIADOS is one of the leading law firms in Colombia, since its founding in 1995. The structuring of infrastructure projects, legal advice in regulated markets (securities, energy, telecommunications, water supply and basic sanitation), in aspects budgetary and social security, constitute the main areas of the firm. They provide highly specialized legal advisory services based on a thorough understanding of all the aspects involved in a transaction, which allows us to support the decision-making processes, with legal and economically efficient solutions.