Montana Holding


Montana Holding Gesellschaft m.b.H.
Private investment company

Montana Holding Ges.m.b.H. is the private investment company of Irmgard Lettner and Ernst Lemberger.
It is based in Vienna, Austria, and regroups shareholdings in companies acquired over the last 35 years.

Its most important investments are a significant indirect minority share in Frauenthal Holding Aktiengesellschaft of Vienna, Austria, and a minority stake in the aerospace component manufacturer Nexteam headquartered in Marmande, France.

Montana also acts as financial investor in real estate projects in Vienna, the latest being the refurbishment of the house for assisted living and short-term rentals Residenz am Tabor.

Frauenthal is a diversified industrial and trading group listed on the Vienna Stock exchange.
The group currently has two business divisions. Automotive components, producing air tanks for all European and some overseas OEM truck manufacturers as well as various formed metal parts for OEM car manufacturers in Europe, the U.S. and China. The second division is the largest wholeseller of plumbing and electrical supplies in Austria with 80 outlets.

Frauenthal sales topped 1.1 bn €. in 2022. The group employs more than 3.500 people worldwide.

Montana holds an indirect shareholding of 18,67 % in Frauenthal.

Nexteam is a specialty aircraft, rocket and defense component manufacturer with 20 production sites in France, Austria, Sweden, Poland, Romania, Portugal, Morocco and Tunisia.

Nexteam sales reached 220 m€ in 2022. The group employs more than 2.100 people in its plants.

Montana holds a 11,1% shareholding in Nexteam.

For comprehensive information on our holdings, please visit the websites:

  • Nexteam Group SAS

    shareholdings in %

  • Frauenthal Group

    shareholdings in %


We are a small but highly qualified team where everyone delivers best results for the company
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Ernst Lemberger

Managing Partner
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Irmgard Lettner

Managing Partner
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Susanne Moser-Patuzzi

Management Assistant
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Petra Burger

VP Administration & Property Management

Press Release

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