# Aventur

Aventur is a Single Family Office based in Vienna, Austria.

## Overview

- **Organization type:** Single Family Office
- **Headquarters:** Vienna, Austria
- **Region:** Europe
- **Address:** Vienna, Austria
- **Founded:** 2013
- **Assets under management:** Undisclosed
- **Website:** aventur.at
- **LinkedIn:** https://www.linkedin.com/company/aventurfamilyoffice

## Regulatory record

- **Reports private funds:** No

## About

Aventur was established in 2013 as a single-family office. Andreas Rainer serves as managing director. The firm invests long-term private capital with a focus on the German-speaking region. Aventur targets buyouts and direct co-investments in private equity alongside real estate and listed equities. It participates in company successions and maintains active ownership in portfolio companies. Geographic reach centers on Europe, particularly Austria and Germany. Confirmed co-investors include M8 Beratungs und Beteiligungs GmbH and P51 Beteiligungen GmbH in holdings such as HWT Holding GmbH. The firm maintains a compact team that includes Investment Director Michael Haupt. No additional offices are disclosed. Andreas Rainer previously served as operating partner at Forum Family Office from 2013 to 2015.

## Sectors

- Private Equity
- Real Estate
- Industrial Tech

## People

- Andreas Rainer — Managing Director
- Michael Haupt — Investment Director

## Questions

### Who runs investment decisions at Aventur?

Andreas Rainer serves as managing director. Michael Haupt acts as investment director.

### Does Aventur participate in fund commitments or only direct deals?

Aventur focuses on direct equity investments and majority stakes in SMEs, particularly successions.

### What investment stages does Aventur typically target?

The firm targets buyouts and long-term holdings in private companies.

### Where does Aventur invest geographically?

Investments concentrate in the German-speaking region of Europe, primarily Austria and Germany.

### How is Aventur related to its co-investors?

Aventur co-invests with entities such as M8 Beratungs und Beteiligungs GmbH and W & H Pichler GmbH in shared holdings.

## Related profiles

- [A-Ventum Family Office](https://altss.com/profile/a-ventum-family-office)
- [Aves Ventures](https://altss.com/profile/aves-ventures)

---

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

Canonical page: https://altss.com/profile/aventur-beratungs-und-beteiligungs

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