Guillermo Bueno

Borja Montesino-Espartero Velasco is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits Law and Tax Law. Borja, who practices law in Madrid, Spain, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Borja is held by other top lawyers in the same geographic and legal practice area.

After five years as an associate at Estudio Legal (1987-1992), where he acquired experience in corporate, banking, capital markets and competition, he co-founded Araoz & Rueda in 1994. Since then, he has developed his practice advising in general corporate and commercial matters and, especially, in Mergers and Acquisitions and Capital Markets, where he has extensive experience. Furthermore, he regularly advises in litigation and restructuring/insolvency matters.

Lawyer, member of the Madrid Bar Association since 1997 and also of the Ciudad Real Bar Association since 1994. He brings his vast experience in Criminal Law to our firm, especially in the field of economic crimes . He has represented defendants in numerous high-profile trials in the Audiencia Nacional . He is also professor of Criminal Law and Ethics at Universidad de Navarra, Instituto de Empresa (IE Law School) and the Madrid Bar Association Studies Center. He joint Mas y Calvet law firm i...

Rafael Truan Blanco is a top attorney recognized by Best Lawyers in the practice area(s) of Communications Law, Corporate and Mergers and Acquisitions Law and Investment Funds. Rafael, who practices law in Madrid, Spain, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rafael is held by other top lawyers in the same geographic and legal practice area.

Specialized in the Real Estate and Urban Planning sector; as head of land and urban planning, asset manager, comprehensive project development, investor relations, asset acquisition, and real estate taxation in various companies in the sector; such as Aliseda, Highland Developers USA, Anida (BBVA), Grupo Veintidós, and Riofisa. During the years he worked in a law firm, he provided legal advice and judicial defense in urban planning, real estate, horizontal property, and urban leases. A...

Santiago Rodriguez Bajón is a top attorney recognized by Best Lawyers in the practice area(s) of Communications Law and Information Technology Law. Santiago, who practices law in Madrid, Spain, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Santiago is held by other top lawyers in the same geographic and legal practice area.

Bruno Roca Grau is a top attorney recognized by Best Lawyers in the practice area(s) of International Arbitration. Bruno, who practices law in Madrid, Spain, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Bruno is held by other top lawyers in the same geographic and legal practice area.

Founding Partner Chairman Legal Counsel to the Spanish Parliament, Co-Director of Aranzadi Urban Development and Construction magazine and Member of the Royal Academy of Law and Legislation. He was awarded a Law Degree with First Class Honours and he received a Doctorate in Administrative Law with First Honours. He joined the Military Legal Corps in 1968 and in 1971 became Legal Counsel to the Spanish Parliament. In 1973 he was appointed Deputy Councillor of Urban Planning and Treasury of the...

Leading practitioner JUAN ORIOL is a recognized Lawyer, graduated from the University of Barcelona with a Master's degree (LLM) in Intellectual Property and New Technologies from ESADE (Ramón Llull University) and a member of the Illustrious Bar Association of Barcelona (ICAB). As a partner of Oriol-IP with more than twelve years of specialized professional experience, working and advising on matters of Intellectual Property and New Technologies to national and international companies,...

Roberto Miño Reig is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Roberto, who practices law in Madrid, Spain, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Roberto is held by other top lawyers in the same geographic and legal practice area.