Skip to content
Single Family OfficeInvests its own capital directly in companiesLAST VERIFIED Oct 2026 · 2 SOURCES

SITOA GmbH

Family-run family office near Munich (Straßlach, Starnberg) investing pooled entrepreneurial family wealth in social infrastructure: senior living, medical infrastructure and education.

USEFUL FOR Co-investors

Family & background

HEADQUARTERS
Straßlach, Germany
OFFICES
Starnberg, Germany

Investment approach

ROUTES
Companies (own capital)
STRATEGIES
Real estate

Overview

SITOA GmbH, registered at Amtsgericht München (HRB 183245) with offices in Straßlach and Starnberg, describes itself as a family-run family office that pools entrepreneurial family wealth and invests in social infrastructure. Its focus areas are senior living, medical infrastructure and education; projects are developed and delivered by group companies SITOA development, stab2 Architekten und Ingenieure and fenixx Bau. It works with banks, family offices, project partners and institutional investors.

Investment thesis

Invests in social infrastructure (senior living, medical infrastructure, education), aiming to combine economic stability with social impact.

Holdings & investments

INVESTMENT ARMS & VEHICLES

  • SITOA development
    Group company developing and delivering the social-infrastructure projects
  • stab2 Architekten und Ingenieure
    Group architecture and engineering company
  • fenixx Bau
    Group construction company

People

  • Heiko Bonn
    Managing Director (Geschäftsführung) · source
  • Daniela Bonn
    Managing Director (Geschäftsführung) · source
  • Christian Brix
    Managing Director (Geschäftsführung) · source
  • Anna Held
    Managing Director (Geschäftsführung) · source

Frequently asked questions

SITOA GmbH is a single family office based in Straßlach, Germany.

SITOA GmbH invests directly in companies. Capital origin: one family's own capital. Stated strategies include real estate.

SITOA GmbH invests in Real Estate & PropTech.

Key people at SITOA GmbH include Heiko Bonn (Managing Director (Geschäftsführung)), Daniela Bonn (Managing Director (Geschäftsführung)), Christian Brix (Managing Director (Geschäftsführung)) and Anna Held (Managing Director (Geschäftsführung)).