Holding company in
Härkingen

Ronal-Stiftung

Since 2002 · 1–10 empl.

Feuz Trust GmbH

Since 2007 · 1–10 empl.·5.0(2)

Feuz Trust GmbH provides fiduciary (treuhand) and tax advisory services. Its services include bookkeeping and preparation of annual financial statements for companies, tax return preparation for private clients, assistance with company formation, and business consultancy.

Studer Gruppe AG

Since 1966 · 1–10 empl.

Lesley AG

Since 1990 · 1–10 empl.

PSAJ Holding AG

Since 2006 · 1–10 empl.

FD Beteiligungen AG

Since 2011 · 1–10 empl.

Inopec AG

Since 2015 · 1–10 empl.

SD Investment GmbH

Since 2019 · 1–10 empl.

Ullmann Immo AG

Since 2020 · 1–10 empl.

mroe Holding GmbH

Since 2025 · 1–10 empl.