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João Caldeira
Partner

Lawyer

João Caldeira

Languages
  • Portuguese
  • English
  • Spanish
Social media

João Caldeira is a Partner in the Corporate M&A team.

With 30 years of experience advising in mergers and acquisitions, corporate restructuring, venture capital, joint ventures, capital markets, and corporate finance matters. He leads multidisciplinary teams in high-profile domestic and cross-border transactions.

João has been individually ranked for Corporate M&A, by Chambers Global and Chambers Europe, for the past 18 years and Private Equity, since 2016. He is also recommended for Commercial, and Corporate M&A by Legal 500, 2025. Moreover, he is recognised for Corporate Law, by Best Lawyers for the past years. Moreover, he is ranked Highly Recommended for Private Equity and Venture Capital, and Excellent for Corporate M&A by Leaders League, 2026.

He is a founding partner of CMS Portugal.

Awards & Recognitions
01
  • Quote
    João Caldeira is a very experienced and capable lawyer.
    Chambers Global (2026)
  • Quote
    João Caldeira: I highlight availability, solid knowledge and ability to adapt to needs.
    Legal 500 Legal (2025)
  • Quote
    João Caldeira and Tiago Valente de Oliveira both have availability, technical knowledge, negotiation capacity, adaptability to our needs, in-depth knowledge of the client.
    Legal 500 (2024)
  • Quote
    It is an international team able to advise on transactions involving different jurisdictions. They are fast and very efficient. CMS team stands out from other competitors in the industry in knowledge and involvement.
    Legal 500 (2023)
  • Quote
    João Caldeira has very good competence and I could not be more satisfied with his work.
    Chambers Global (2023)
  • Quote
    João Caldeira focuses his work on private equity deals, sales and acquisitions. He often advises clients in the real estate and energy industries.
    Chambers Europe (2022)
  • Quote
    João Caldeira often assists domestic and international companies with share purchase deals. His client list includes private equity and real estate firms.
    Chambers Global (2022)
  • Quote
    João Caldeira has experience in domestic transactions carried out by Portuguese private equity funds. He is a respected corporate lawyer and a senior figure in the CMS team.
    Chambers Europe (2022)
  • Quote
    João Caldeira – a partner with a lot of availability, a lot of experience and a lot of versatility in the solutions presented.
    Legal 500 (2022)

Publications

  • CALDEIRA, João - “M&A em tempos de Covid-19”, in Vida Judiciária, 2021

Memberships & Roles

  • Member of the Portuguese Bar Association since 1992

Education

  • Law Degree, Faculdade de Direito, Universidade de Lisboa
  • Postgraduate degree in Securities Rights, Institute of Securities, Faculdade de Direito, Universidade de Lisboa

Insights by João

CMS advises on the sale of Quinta da Comporta

03 Feb 2026 1 min read

CMS Portugal advises Open Cosmos on the acquisition of Connected

30 Sep 2025 1 min read

João Caldeira comments on CMS European M&A Outlook 2026 in Jornal Económico

12 Sep 2025 1 min read

CMS Portugal highlighted by Chambers & Partners Global 2024

15 Feb 2024 1 min read
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