Skip to content
Single Family OfficePuts its own capital into companiesLAST VERIFIED Oct 2026 · 6 SOURCES

Rentrop Investment Office

Bonn family office of publisher Norman Rentrop; Buffett-style investor in listed stocks, workouts and merger arbitrage, and in private companies (about 20 stakes since 1990).

USEFUL FOR Business owners seeking a long-term partner · Co-investors

Family & background

FAMILY
Rentrop
HEADQUARTERS
Bonn, Germany
FOUNDED
1998

Investment approach

SECTORS
FintechMedia & EntertainmentClimate & EnergyIndustrial & Manufacturing
ROUTES
Companies (own capital)
STRATEGIES
Public equitiesPrivate equityDirect investments

Overview

The Rentrop Family Office serves the Rentrop family in Bonn and is run by Norman Rentrop, founder of the publishing group Verlag für die Deutsche Wirtschaft AG. It invests in Berkshire Hathaway and other public equities through enhanced indexing, workouts of undervalued listed companies, merger arbitrage and value stocks, and makes private-equity direct investments. Rentrop states he has invested in about 20 unlisted companies since 1990 and is comfortable holding minority positions.

Investment thesis

Modelled on Berkshire Hathaway: companies with at least EUR 3 million annual profit, consistent profitability (no turnarounds), return on equity above 10% with little or no debt, existing management, a competitive advantage defensible for 10+ years and a stated purchase price.

Holdings & investments (4)

  • n-tv
  • Sunday Business Post
  • ADI
  • Yasni

People

  • Norman Rentrop
    Founder and owner; publisher · source

Frequently asked questions

Rentrop Investment Office is a single family office based in Bonn, Germany, founded in 1998.

Rentrop Investment Office invests on behalf of the Rentrop family.

Rentrop Investment Office invests its own capital into companies. Its stated asset mix includes public equities, private equity and direct investments.

Rentrop Investment Office invests in Fintech, Media & Entertainment, Climate & Energy and Industrial & Manufacturing.

Key people at Rentrop Investment Office include Norman Rentrop (Founder and owner; publisher).

Rentrop Investment Office's holdings and investments include n-tv, Sunday Business Post, ADI and Yasni.