# Portfolio Concept

Portfolio Concept is a Multi Family Office based in Cologne, Germany.

## Overview

- **Organization type:** Multi Family Office
- **Headquarters:** Cologne, Germany
- **Region:** Europe
- **Address:** Max-Pechstein-Str. 23, 50858 Cologne, Germany
- **Founded:** 1984
- **Assets under management:** 375 (Altss estimate)
- **Website:** portfolio-concept.de
- **LinkedIn:** https://www.linkedin.com/company/portfolio-concept

## Regulatory record

- **Reports private funds:** No

## About

Günter T. Schlösser established Portfolio Concept in 1984 after building experience in financial services. His son Titus C. Schlösser now serves as managing director and partner. The firm maintains an independent stance that separates it from bank-owned competitors. Investment activity centers on portfolio construction for mandates above €500,000. Allocations span private equity, real estate, hedge funds, private credit, commodities and philanthropic vehicles. Geographic reach covers Europe and North America. The firm also registers as a commodity trading advisor with the National Futures Association since 2011. Günter T. Schlösser holds board roles at St. Galler Kantonalbank Deutschland AG and DSW. Titus C. Schlösser participates in the Leaders Network. In May 2026 the firm hosted its second Female Finance Night in Cologne.

## Sectors

- Healthcare Services
- Robotics & Automation
- Supply Chain & Logistics
- Workflow Automation

## People

- Günter T. Schlösser — Founder and Senior Advisor
- Titus C. Schlösser — Managing Director and Partner

## Questions

### Who runs investment decisions at Portfolio Concept?

Günter T. Schlösser serves as founder and senior advisor. Titus C. Schlösser acts as managing director and partner with day-to-day responsibility.

### How does Portfolio Concept source proprietary deal flow?

The firm relies on its network within VuV and long-standing relationships with St. Galler Kantonalbank Deutschland AG and DSW.

### Is Portfolio Concept structured as a single family office or does it operate more like a venture firm?

It functions as a multi-family office serving multiple private and institutional clients with open-architecture mandates.

### Does Portfolio Concept participate in fund commitments or only direct deals?

It deploys across fund-of-funds, direct private equity, real estate and hedge fund vehicles.

### What investment stages does Portfolio Concept typically target?

Early-stage opportunities form part of the mandate alongside later-stage private equity and real estate.

### What is Portfolio Concept's known posture on co-investments alongside external GPs?

The firm maintains an open-architecture model that permits co-investments and fund commitments without internal product conflicts.

## Related profiles

- [MoMa Family Office](https://altss.com/profile/moma-family-office)
- [Saffelberg Investments](https://altss.com/profile/saffelberg-investments-jos-sluys-family-office)

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Last updated: 2026-08-10T15:54:10.904Z

Canonical page: https://altss.com/profile/portfolio-concept

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