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  • Law on Voluntary Arbitration


  • See the most common questions about arbitration.


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Standard Arbitration Clause

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  • See the agenda of upcoming events and training.


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Welcome to the Arbitration Centre of the Portuguese Chamber of Commerce and Industry


The Arbitration Centre of the Portuguese Chamber of Commerce and Industry (CAC) was founded in 1987. It is the oldest Portuguese Arbitration Centre and it has administered the greatest number of arbitration proceedings over the years. 

Furthermore, it has sought to evolve and adapt itself more and more to companies' needs and to international best practices to ensure a service that is excellent value for money, that is thorough in the choice of arbitrators when it is its duty to appoint them, and that supports arbitral tribunals using an experienced team of dedicated professionals.

Our advice to Portuguese companies is for them to choose arbitration in their contracts, above all for investments and international commercial relationships. And we recommend that when they choose arbitration, they avoid ad hoc arbitration proceedings, and opt for institutional arbitration instead, as is the case when they use the CAC Rules.


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  • Calculate the costs of arbitration

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Rua das Portas de Santo Antão, 89
1169-022 LISBON

Tel. : 00351 213 224 053

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