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Single Family OfficeNo direct investingLAST VERIFIED Oct 2026 · 4 SOURCES

Horizon21 AG

Single family office in Zurich founded in 2004 to serve its founder and his family; privately owned by the founder, about 10 staff.

Family & background

HEADQUARTERS
Zurich, Switzerland
FOUNDED
2004

Investment approach

Overview

Horizon21 AG describes itself as a single family office whose purpose is to serve the needs of its founder and his family. It was founded in 2004, employs about 10 people and is headquartered in Zurich. The company is privately owned by its founder. Its website also carries a legal notice for collective investment funds it previously offered, now addressed only to existing investors.

People

  • Rainer-Marc Frey
    Founder and Chairman · source
  • Adrian Janser
    CEO · source

Classification

Single Family Office. Manages one family's own capital, with no outside investors. The family bears every loss. How family capital is classified →

FAQ

Horizon21 AG is a single family office based in Zurich, Switzerland, founded in 2004.

Horizon21 AG does not publicly state whether it invests directly or through funds.

Horizon21 AG invests in Real Estate & PropTech.

Key people at Horizon21 AG include Rainer-Marc Frey (Founder and Chairman) and Adrian Janser (CEO).