Portfolio Concept Overview

General Information

Portfolio Concept is a multi-family office headquartered in Cologne, Germany. Founded in 1984 by investment professional Günter T. Schlösser, it originates from wealth created in financial services and builds on four decades of independent asset-management expertise. The firm advises private and institutional clients on portfolio construction, estate planning and philanthropic mandates, leveraging open-architecture investment selection and in-house research—delivers disciplined, conflict-free wealth stewardship.