# Altheo Partners

Altheo Partners is a Multi Family Office based in Paris, France.

## Overview

- **Organization type:** Multi Family Office
- **Headquarters:** Paris, France
- **Region:** Europe
- **Address:** 69, Rue La Boétie, F - 75008 Paris, France
- **Founded:** 2015
- **Assets under management:** Undisclosed
- **Website:** altheopartners.com
- **LinkedIn:** https://www.linkedin.com/company/altheo-partners

## Regulatory record

- **Reports private funds:** No

## About

Altheo Partners was established by Alexandre Boissarie and Olivier Roux de Bézieux. The firm functions as a multi-family office that provides asset management and advisory services to entrepreneurs, heirs, holdings, foundations, and associations. The firm delivers audit and patrimonial strategies, investment monitoring, daily operational support, family governance, philanthropy guidance, and real estate accompaniment. Its confirmed investment types include private equity, real estate, infrastructure, natural resources, digital assets, and collectibles. Geographic reach covers Europe, North America, Asia, and the Middle East. Confirmed holdings include a Paris CBD office portfolio, Belleville residential property, Champs-Elysées mixed-use assets, an art advisory portfolio spanning Paris and Brussels, and vineyard investments. The team maintains an advisory board and collaborates with external lawyers and notaries. An additional office operates in Brussels. The firm is a member and administrator of the Association Française du Family Office.

## Sectors

- ClimateTech
- Energy Transition & Renewables
- FinTech
- Healthcare Services
- Industrial Tech
- Media & Entertainment

## Offices

- Brussels, Belgium

## People

- Alexandre Boissarie — Partner and Family Officer
- Olivier Roux de Bézieux — Partner
- Domitille Dufour — Family Officer and Head of Partnerships

## Questions

### Who runs investment decisions at Altheo Partners?

Alexandre Boissarie and Olivier Roux de Bézieux serve as partners and handle investment oversight. Domitille Dufour acts as Family Officer and Head of Partnerships.

### Is Altheo Partners structured as a single family office or multi-family office?

Altheo Partners operates as a multi-family office owned 100 percent by its operational partners.

### Does Altheo Partners participate in fund commitments or direct deals?

The firm engages across private equity, real estate, infrastructure, and direct asset classes including vineyards and collectibles.

### Where does Altheo Partners maintain offices?

The firm is headquartered at 69 Rue La Boétie in Paris and maintains a second office at Avenue Louise 523 in Brussels.

### What association memberships does Altheo Partners hold?

Altheo Partners is a member and administrator of the Association Française du Family Office and adheres to its code of ethics.

## Related profiles

- [Alternative Capital Group](https://altss.com/profile/alternative-capital-group)
- [Altiqa Group](https://altss.com/profile/altiqa-group)

---

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

Canonical page: https://altss.com/profile/altheo-partners

Maintained by Altss — https://altss.com — methodology: https://altss.com/methodology