Banco Comercial Português, S.A. is Portugal's largest private bank, founded in 1985 following the liberalization of the Portuguese banking system. Operating primarily under the Millennium BCP brand since 2004, it provides a comprehensive range of financial services including retail banking, current accounts, payment solutions, savings and investment products, private banking, asset management, investment banking, mortgages, consumer credit, leasing, factoring, and insurance. With nearly 4.3 million customers worldwide and over 695 branches in Portugal, it maintains the second-largest branch network in the country, complemented by digital channels like online and mobile banking. The bank extends its operations internationally through subsidiaries such as Bank Millennium in Poland (51% owned), Millennium bim in Mozambique, Banco Millennium Atlântico in Angola, and a branch in Macau, alongside representative offices in Brazil, Switzerland, China, and the UK. Designated as a Significant Institution under European Banking Supervision, it is directly overseen by the European Central Bank. Major shareholders as of mid-2025 include Fosun International (around 20-26%) and Sonangol Group (19.49%). Banco Comercial Português, S.A. plays a pivotal role in Portugal's financial landscape, driving innovation and client-centric services across retail and corporate segments.