# Viriato

Viriato is a Multi Family Office based in Königstein im Taunus, Germany.

## Overview

- **Organization type:** Multi Family Office
- **Headquarters:** Königstein im Taunus, Germany
- **Region:** Europe
- **Address:** Im Haderheck 48a, 61462 Königstein im Taunus, Germany
- **Founded:** 1952
- **Assets under management:** Undisclosed
- **Website:** viriato-family-office.de
- **LinkedIn:** https://www.linkedin.com/company/viriato/

## Regulatory record

- **Reports private funds:** No

## About

Viriato operates as a multi-family office based in Königstein im Taunus, Germany. J. Paulo M. dos Santos established the firm and serves as its managing director and majority shareholder of VIRIATO GmbH. It addresses the needs of families and foundations with advisory on investments, governance, and succession. The firm manages portfolios with attention to alternative investments and sustainable criteria through its membership in Forum Nachhaltige Geldanlagen. It collaborates with partners including John M. O'Donnell on research and controlling and Stefan Sillmann on foundation expertise. Operations center on Europe. The team includes three named partners with backgrounds in investment banking and portfolio management. Viriato maintains membership in Stiftungsexperten for foundation advisory practices. No recent operational events from the last 24 months are recorded.

## Sectors

- Sustainable Investing

## People

- J. Paulo M. dos Santos — Managing Director and majority shareholder
- John M. O'Donnell — Authorized signatory and Partner
- Stefan Sillmann — Executive Consultant

## Questions

### Who runs investment decisions at Viriato?

J. Paulo M. dos Santos leads as managing director and majority shareholder. John M. O'Donnell handles research and controlling. Stefan Sillmann provides executive consulting on foundations.

### Is Viriato structured as a single family office or does it operate more like a multi-family office?

Viriato functions as a multi-family office serving multiple families. It focuses on foundations and complex wealth structures across generations.

### What investment stages does Viriato typically target?

The firm covers portfolio management and alternative investments without specified stage limits. Emphasis lies on sustainable criteria and long-term preservation.

### How is Viriato related to Santos Investment Holding GmbH?

J. Paulo M. dos Santos holds majority ownership in both VIRIATO GmbH and Santos Investment Holding GmbH. The entities support the firm's wealth advisory activities.

### Does Viriato maintain philanthropic structures, and how are they separated?

Viriato advises foundations on governance and asset management. Advisory work remains separate from direct family wealth services.

## Related profiles

- [Virentes Partners Group](https://altss.com/profile/virentes-partners-group-llc)
- [Virthos Partners](https://altss.com/profile/virthos-partners)

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Last updated: 2026-06-03T20:00:00.000Z

Canonical page: https://altss.com/profile/viriato

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