The foundation of the Alexian Brothers is a Catholic foundation under German civil law. The foundation's objective is the long-term promotion of the spiritual, cultural and religious work of the congregation of the Alexian Brothers.

The foundation is based in Münster. The foundation's board consists of members of the congregation of the Alexian Brothers and experts in finance and law.

The foundation of the Alexian Brothers is holding the shares of the Alexianer GmbH. The Alexianer GmbH runs general hospitals, psychiatric hospitals, facilities and  workshops for people with disabilities, nursing homes for the elderly, and other social services.