# Swiss 5 Group

Swiss 5 Group is a Multi Family Office based in Zurich, Switzerland.

## Overview

- **Organization type:** Multi Family Office
- **Headquarters:** Zurich, Switzerland
- **Region:** Europe
- **Address:** Zurich, Switzerland
- **Founded:** 2003
- **Assets under management:** 1.28B (Altss estimate)
- **Website:** swiss-5-group.ch
- **LinkedIn:** https://www.linkedin.com/company/swiss-5-group

## Regulatory record

- **Reports private funds:** No

## About

Swiss 5 Group operates as a multi-family office from Zurich. Michael Rümmelein serves as co-founder and CEO while Michael Bufler acts as co-founder and managing partner. The firm addresses the financial and investment requirements of several families through coordinated asset management and succession planning. Investment activity covers buyouts, seed through Series G rounds and direct co-investments. Allocations include private equity, real estate, private credit, infrastructure and digital assets. The firm maintains exposure across Europe, North America, Asia, Africa and South America. Confirmed sector coverage spans FinTech, ClimateTech, Industrial Tech and AgriTech & FoodTech. The firm holds membership in the Alliance of Swiss Wealth Managers and SECA. It maintains the Swiss Seaside Foundation as a separate philanthropic vehicle. No dated operational events from the last 24 months appear in available records. Governance ties link Swiss 5 Group to Everon AG through shared board roles held by Michael Rümmelein and Florian Rümmelein.

## Sectors

- Luxury
- AgriTech & FoodTech
- Energy Transition & Renewables
- FinTech
- Healthcare Services
- Industrial Tech
- InsurTech
- ClimateTech

## People

- Michael Rümmelein — Co-founder and CEO
- Michael Bufler — Co-founder and Managing Partner
- Maximilian Rümmelein — Head of Operations & Portfolio Management

## Questions

### Who runs investment decisions at Swiss 5 Group?

Michael Rümmelein and Michael Bufler set overall direction as co-founders. Maximilian Rümmelein oversees operations and portfolio management.

### Does Swiss 5 Group participate in fund commitments or only direct deals?

The firm executes both fund commitments and direct co-investments or SPVs across private equity, private credit and real estate.

### What investment stages does Swiss 5 Group typically target?

Activity spans buyouts and venture stages from seed through Series G.

### Where does Swiss 5 Group maintain investment exposure?

The firm allocates across Europe, North America, Asia, Africa and South America.

### How is Swiss 5 Group related to Everon AG?

Michael Rümmelein and Florian Rümmelein hold board roles at Everon AG while leading Swiss 5 Group.

## Related profiles

- [BigSur Partners](https://altss.com/profile/bigsur-partners-llc)
- [Cornerstone Family Office](https://altss.com/profile/cornerstone-family-office)

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

Canonical page: https://altss.com/profile/swiss-5-group

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