# A-Ventum Family Office

A-Ventum Family Office is a Multi Family Office based in Stuttgart, Germany.

## Overview

- **Organization type:** Multi Family Office
- **Headquarters:** Stuttgart, Germany
- **Region:** Europe
- **Address:** Stuttgart, Germany
- **Founded:** 2008
- **Assets under management:** Undisclosed
- **Website:** avfo.de
- **LinkedIn:** https://www.linkedin.com/company/ventumgroup

## Regulatory record

- **Reports private funds:** No

## About

A-Ventum Family Office was established in 2008 by Oliver Heller, Hartmut G. Geyer and Dr. Michael G. Geyer. It functions as a multi-family office serving entrepreneurs and wealthy families with services that include financial planning, tax optimization and family governance. The firm deploys client capital across real estate, private credit, hedge funds and secondaries. It maintains a Luxembourg vehicle called A/Ventum Core Invest Fund. Geographic reach spans Europe, North America, Asia, Africa and South America. Oliver Heller has publicly recommended funds from Lazard, Baring Asset Management and Lupus Alpha. Tobias Maximilian Heller joined the board in 2025. The firm operates A/VENTUM Real Estate Sales & Solutions GmbH & Co. KG and A/VENTUM Hausverwaltungen GmbH in Stuttgart. It holds memberships in the Industrie- und Handelskammer Region Stuttgart and the Verband unabhängiger Vermögensverwalter. Kidron Vermögensverwaltung serves as the licensed sister company handling regulated asset management under German banking law.

## Sectors

- Real Estate
- Private Credit
- Hedge Funds

## People

- Oliver Heller — Board Member and Partner
- Hartmut G. Geyer — Managing Director
- Dr. Michael G. Geyer — Managing Director
- Tobias Maximilian Heller — Board Member

## Questions

### Who runs investment decisions at A-Ventum Family Office?

Oliver Heller serves as board member and partner. Hartmut G. Geyer and Dr. Michael G. Geyer act as managing directors. Tobias Maximilian Heller joined the board in 2025.

### Does A-Ventum participate in fund commitments or only direct deals?

The firm uses both approaches. It maintains the Luxembourg-domiciled A/Ventum Core Invest Fund and recommends external funds from managers including Lazard and Baring.

### What asset classes does A-Ventum allocate to?

Allocations include real estate through dedicated subsidiaries, private credit, hedge funds and secondaries. The firm also references collectibles and passion assets in its service scope.

### How is A-Ventum structured relative to regulated entities?

A/VENTUM family office Consulting AG works alongside sister company Kidron Vermögensverwaltung, which holds a German banking license under §32 KWG.

### Where does A-Ventum maintain investment exposure?

The firm lists exposure across Europe, North America, Asia, Africa and South America through client portfolios and real estate holdings in Stuttgart.

## Related profiles

- [Avante Group](https://altss.com/profile/avante-group)
- [Aventur](https://altss.com/profile/aventur-beratungs-und-beteiligungs)

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

Canonical page: https://altss.com/profile/a-ventum-family-office

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