João Caiado Guerreiro

Managing Partner

Main Practice Areas


Banking and Finance

Commercial law

Corporate Law

Corporate M&A




Portuguese, English, French, Spanish

João Caiado Guerreiro is a lead partner of the Corporate and M&A and Litigation & Arbitration departments, also coordinating the teams of Capital Markets, Banking and Finance, Project Management, Foreign Investment and Corporate Governance.

João Caiado Guerreiro has been responsible for many operations and projects of considerable size and complexity in his areas of expertise in Portugal and abroad. In addition, he has extensive experience in mergers and acquisitions and is a consultant to some of the most important national and international companies operating in Portugal and President of the Shareholders’ General Assembly of several of the largest companies in Portugal.

João Caiado Guerreiro is one of the lawyers with greater notoriety in the country in capital markets and mergers and acquisitions, having become noticed especially in major national and international projects and having his practice recognized by major international directories. In addition, João Caiado Guerreiro has participated in significant project finance, securitization, investment funds and derivatives transactions.

He is frequently invited as a speaker at several national and international conferences. He regularly comments on business and law on major national television channels, such as RTP, SIC and TVI. João Caiado Guerreiro is a columnist for A BOLA newspaper and often writes articles for national and international publications within his areas of expertise.

  • LL.M – International Business Law – Specialization in European Law and International Financial Law, Kings College, University of London, 1995
  • Degree in Law (Juridical-Economical Sciences) from the Faculdade de Direito da Universidade de Lisboa, 1990
  • Managing Partner at Caiado Guerreiro, since 1999
  • Lawyer at Franco Caiado Guerreiro, 1991
  • Chairman of the Board of Directors 
  • Companhia Portuguesa de Ferro, S.A., since 2014 Chamber of Commerce Portugal-India, 2009-2012 Megadirecção, S.A., since 2007 Genuinne Puzzle, SGPS, S.A. Caiado Guerreiro, 1999
  • Director 
  • Impulsionatis, S.A., 2010-2014
  • Group a. Silva & Silva/Empark, 2010-2013
  • Germac, Sociedade Gestora de Património, S.A., 2006-2012
  • Macgere, SGPS, S.A., 2006-2012
  • Olympus Portugal, S.A., 2002-2010
  • Olympus Service Facility Portugal, 2002-2010
  • Interoute Comunicações Digitais, S.A., 2000-2002
  • Chairman of the General Meeting
  • Actualsales II, unipessoal, Lda.
  • Actualsales III – services, unipessoal, Lda.
  • Actualsales, marketing and internet services, S.A.
  • Actualsales, SGPS
  • Ad roi – investimento publicitário, unipessoal Lda.
  • Adelino Duarte da Mota, S.A.
  • Angoltech, SGPS, LDA.
  • Argilis ii Minerais Cerâmicos, S.A.
  • Arrow Electronics, S.A., since 2010
  • Association of Friends of Torre do Tombo
  • Carlos cardoso mota, SGPS, S.A.
  • Content ignition, Lda.
  • Corbário, S.A.
  • Cortefiel (Bizarro & Milho) S.A.
  • Dan Cake, S.A., 2009 to 2012
  • Direct2sales, sales services, Lda.
  • Felmica Minerais industriais, S.A.
  • Figura de Génio, SGPS, S.A.
  • Focuslegend, S.A., since 2014
  • Foster Wheeler – Gestão de Serviços, S.A.
  • Frk – Internet marketing services, S.A.
  • Gralminas – Minerais da Gralheira, S.A.
  • Honeywell, S.A.
  • Infosistema – Sistemas Informáticos, S.A.
  • Linde health, S.A.
  • Medapharma, S.A.
  • Mota Pastas Cerâmica, S.A.
  • Motamineral, Minerais Industriais, S.A.
  • Noagency – Creativity, unipessoal Lda.
  • Novo Nordisk – Comércio de Produtos Farmacêuticos, S.A.
  • Olympus
  • Obrana, S.A.
  • Parcours Portugal S.A.
  • Technoedif Engenharia, S.A.
  • Technoedif, SGPS, S.A.
  • Technoedif, SGPS, S.A.
  • Visiting Professor in the subject of Commercial and Banking Law – Master in Banking Operations Management, at the Instituto Superior de Economia e Gestão (ISEG), 2013-2016
  • Regent in Real Estate Law – Master in Real Estate Law, at the Instituto Superior de Ciências do Trabalho e Empresas, Instituto Universitário de Lisboa (ISCTE-IUL), 2008-2011
  • Visiting Professor of Commercial Law and Labour Law – MBA in Management, Governance and Succession of Family Businesses, Fernando Pessoa University, 2008-2009
  • Regent in Labour Law at the Instituto Superior de Línguas e Administração (ISLA), 1992-1994
  • Tutor of Labour Law and Commercial Law at the Faculty of Law of the University of Lisbon, 1991-1994
  • 2015 – Lawyer of the Year in Portugal | ACQ5 Global Awards
  • 2014 – Lawyer of the Year in Portugal | Financial Times – ACQ Law Awards
  • Chambers and Partners
    Capital Markets
    Corporate / Mergers and Acquisitions
    Employment Law
  • Legal 500 
    Banking and Finance Law
    Capital Markets
    Corporate and Merger and Acquisitions
    Dispute Resolution
    European Union and Competition Law
    Employment Law
    Energy and Environmental Law
  • Portuguese Bar Association
  • Brazilian Bar Association (OAB) – São Paulo
  • International Bar Association (IBA)
  • Kings College Alumni Association
  • American Bar Association (ABA)
  • Institute of Advanced Legal Studies
  • University of London Convocation