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Single Family OfficePuts its own capital into companiesLAST VERIFIED Oct 2026 · 1 SOURCES

Klesch Family Office

Gary Klesch's privately owned industrial investment group, buying and running underperforming heavy-industry assets such as refineries and steelworks.

USEFUL FOR Co-investors

Family & background

FAMILY
Klesch
HEADQUARTERS
London, United Kingdom
FOUNDED
1990

Investment approach

ROUTES
Companies (own capital)

Overview

Klesch is the investment vehicle of Anglo-American entrepreneur A. Gary Klesch, who founded Klesch & Company in 1990 to specialise in distressed and turnaround investing; he owns and chairs the group. Its businesses span metals, mining, oil and gas refining, power generation and chemicals. Acquisitions include the Heide refinery in Germany and Delfzijl steelworks (2009), Kem One (2012), Groupe Leali (2013) and Denmark's Kalundborg Refinery (2022).

Holdings & investments (5)

  • Kalundborg Refinery
    Industrial & Manufacturing · since 2022
  • Groupe Leali
    Industrial & Manufacturing · since 2013
  • Kem One
    Industrial & Manufacturing · since 2012
  • Delfzijl steelworks
    Industrial & Manufacturing · since 2009
  • Heide refinery
    Industrial & Manufacturing · since 2009

People

  • A. Gary Klesch
    Founder, owner and chairman · source

Frequently asked questions

Klesch Family Office is a single family office based in London, the United Kingdom, founded in 1990.

Klesch Family Office invests on behalf of the Klesch family.

Klesch Family Office invests its own capital into companies.

Klesch Family Office invests in Industrial & Manufacturing and Climate & Energy.

Key people at Klesch Family Office include A. Gary Klesch (Founder, owner and chairman).

Klesch Family Office's holdings and investments include Delfzijl steelworks, Heide refinery, Kem One, Groupe Leali and Kalundborg Refinery.

The most recent publicly reported investment by Klesch Family Office is Kalundborg Refinery (from Equinor) (Acquisition), announced in Jan 2022.