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Multi Family OfficeInvests through funds, not into companiesLAST VERIFIED Oct 2026 · 6 SOURCES

SK Family Office

Karlsruhe multi family office founded 2011 by the Kalkbrenner family (owners of SK Vermögensverwaltung) and Alexander Ruis; asset allocation, wealth controlling and succession for families.

Identity

HEADQUARTERS
Karlsruhe, Germany
FOUNDED
2011

Overview

SK Family Office GmbH (Amtsgericht Mannheim HRB 109575) was founded in Karlsruhe in 2011 by the Kalkbrenner family, owners of the independent asset manager SK Vermögensverwaltung GmbH, together with managing partner Alexander Ruis, a former Wilhelm von Finck AG board member. It serves entrepreneurs and heirs of large fortunes, setting long-term strategic asset allocation across asset classes and currencies and running wealth controlling and reporting. Its mandates cover all wealth holders of a family group, including succession planning.

People

  • Alexander Ruis
    Managing Partner (Geschäftsführender Gesellschafter) · source
  • Valentin Holland
    Wealth Strategist (Vermögensstratege) · source
  • Benjamin Reiß
    Head of Wealth Controlling · source

Frequently asked questions

SK Family Office is a multi family office based in Karlsruhe, Germany, founded in 2011.

SK Family Office does not publicly state whether it puts its own money into companies or invests through funds.

Key people at SK Family Office include Alexander Ruis (Managing Partner (Geschäftsführender Gesellschafter)), Valentin Holland (Wealth Strategist (Vermögensstratege)) and Benjamin Reiß (Head of Wealth Controlling).