Erdmann Family Office GmbH is a family office headquartered in Arnsberg, North Rhine-Westphalia, Germany. It advises clients on structuring and overseeing their total wealth, including liquid and illiquid assets. The firm monitors investment strategy and risk, controls fees, and prepares consolidated portfolio reports. Its work centers on preserving and securing wealth while adapting strategies to changing conditions and keeping assets in view across generations. For real estate sponsors, its clearest point of distinction is its emphasis on monitoring illiquid investments and reporting on them within clients’ broader portfolios.