S3 CACEIS is an asset servicing company specialising in post-trade functions and custody of all asset classes. As a specialist in operational process outsourcing, S3 CACEIS creates an environment that enables its clients to effectively meet their business development objectives.

With a solid IT infrastructure and the combined expertise of our shareholders, we provide execution, clearing, custody, depositary and asset valuation services in markets worldwide to assist financial institutions, global custodians, insurance companies, asset management companies and corporate clients.

At the end of 2019, Santander acquired a stake in the capital of CACEIS, bringing to it its fund administration and international custody business in Spain and Latin America (Brazil, Mexico and Colombia). With this operation, CACEIS and Santander Securities Services (S3) join forces to create a global leader in the service of institutional clients.