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Family HoldingPuts its own capital into companiesLAST VERIFIED Oct 2026 · 4 SOURCES

Also known as ATON, Aton (Helmig Family Office)

Munich holding of the Helmig family (founded 2001) investing its own capital long term in B2B technology leaders: EDAG, Redpath, Ziehm Imaging, DC Aviation and others.

USEFUL FOR Co-investors

Family & background

FAMILY
Helmig
WEALTH ORIGIN
Hospital group Helios Kliniken, founded by Lutz Helmig
HEADQUARTERS
Munich, Germany
FOUNDED
2001
OUTSIDE CAPITAL
No — own capital only

Investment approach

ROUTES
Companies (own capital)
STRATEGIES
Direct investments

Overview

ATON GmbH is the multi-generational investment company of the Helmig family, founded in 2001 and based in Munich. It invests the family's own capital as an evergreen vehicle with holding periods of over ten years, preferring asset- and capital-light B2B businesses, and pursues buy-and-build in its core areas. Its portfolio spans infrastructure (Redpath), engineering (EDAG Group, MOTION MAKERS and others), med tech (Ziehm Imaging, AspiAir), business aviation (DC Aviation) and digital services, plus smaller companies and selected start-ups.

Investment thesis

Evergreen family fund investing its own family capital in technology-leading, asset- and capital-light B2B companies with holding horizons of more than ten years; active buy-and-build in core areas, complemented by smaller companies and selected start-up stakes.

Holdings & investments (12)

  • Redpath Group
    Industrial & Manufacturing
  • EDAG Engineering Group
    Mobility & Logistics
  • MOTION MAKERS
    Industrial & Manufacturing
  • Autotest Südtirol
    Mobility & Logistics
  • ecoCOAT
    Industrial & Manufacturing
  • ASCENDO Immersive Audio
    Consumer & E-commerce
  • Biconex
    Industrial & Manufacturing
  • Ziehm Imaging
    HealthTech
  • AspiAir
    HealthTech
  • DC Aviation Group
    Mobility & Logistics
  • active-net
    Software & SaaS
  • Cito Networks
    Software & SaaS

People

  • Dr. Sebastian Erb
    Investment Manager · source
  • Dr. Fritz Kopitzki
    Investment Manager · source
  • Sylvia Schorr
    Investment Manager · source
  • Thomas Vennemann
    Investment Manager · source
  • Georg Denoke
    CEO (Managing Director) · source
  • Dr. Wolfgang Salzberger
    CFO (Managing Director) · source
  • Stefan Götz
    CEO Ceterum / Vice President Business Development · source
  • Dr. Timo Fietz
    Head of Legal · source
  • Andreas Paulus
    Head of Group Accounting, Controlling & Sustainability · source

Frequently asked questions

ATON GmbH is a family holding based in Munich, Germany, founded in 2001.

ATON GmbH invests on behalf of the Helmig family (Hospital group Helios Kliniken, founded by Lutz Helmig).

ATON GmbH invests its own capital into companies. Its stated asset mix includes direct investments.

ATON GmbH invests in Industrial & Manufacturing, Mobility & Logistics, HealthTech and Software & SaaS.

Key people at ATON GmbH include Georg Denoke (CEO (Managing Director)), Dr. Wolfgang Salzberger (CFO (Managing Director)), Dr. Sebastian Erb (Investment Manager) and Dr. Fritz Kopitzki (Investment Manager).

ATON GmbH's holdings and investments include Redpath Group, EDAG Engineering Group, MOTION MAKERS, Autotest Südtirol, ecoCOAT, ASCENDO Immersive Audio, Biconex and Ziehm Imaging, among others.

No. ATON GmbH invests its own capital and does not raise money from outside investors.