Holding Companies in
Au SG
25 companies in Holding Companies based in Au SG — name and year of registration from the commercial register. The list below shows them all.
All 25 companies in Au SG
SYSBO Holding GmbH
Since 2000 · 21–50 empl.
SYSBO Holding GmbH is a company active in district heating technology and energy and control systems. Its portfolio includes the development and production of transfer stations, hot water modules, control technology, visualization, network monitoring, as well as service and retrofit work.
Irene Inauen Holding AG
Since 2010 · 1–10 empl.
Irene Inauen Holding AG is a company that manufactures turned parts and provides machining services, including CNC turret turning, CNC long turning, centerless grinding and thread rolling. Production is carried out from bar stock for diameters of approximately 3–65 mm and quality management follows ISO 9001:2008.
HWT Haus- und Wassertechnik Holding AG
Since 2019 · 1–10 empl.
HWT Haus- und Wassertechnik Holding AG provides sanitary, heating and water-supply engineering services, including installation, maintenance and technical planning. The company’s activities also include swimming-pool maintenance, pipeline construction and production of settlement water structures from plastic at its plastics workshop.
Diamant Armaturen AG
Since 1999 · 1–10 empl.
Synergetic Beteiligungen AG
Since 2001 · 1–10 empl.
units AG
Since 2008 · 1–10 empl.
LIFESTYLE communication & consulting GmbH
Since 2010 · 1–10 empl.
Ribonet AG
Since 2011 · 1–10 empl.
Redwood Holding AG
Since 2012 · 1–10 empl.
Interferenz Holding AG
Since 2014 · 1–10 empl.
Munera Holding GmbH
Since 2015 · 1–10 empl.
gn services gmbh
Since 2016 · 1–10 empl.
TXS holding AG
Since 2016 · 1–10 empl.
Palfner Dental Investment
Since 2016 · 1–10 empl.
Xela Handels- und Dienstleistungs GmbH
Since 2016 · 1–10 empl.
Seidel Holding AG
Since 2018 · 1–10 empl.
ATO Verwaltungs GmbH
Since 2019 · 1–10 empl.
Meteira AG
Since 2021 · 1–10 empl.
Dietsche Holding GmbH
Since 2021 · 1–10 empl.
NAU Holding GmbH
Since 2021 · 1–10 empl.
Sevolex Holding GmbH
Since 2021 · 1–10 empl.
nd invest ag
Since 2022 · 1–10 empl.
MTZ Immo AG
Since 2024 · 1–10 empl.
ASPK Investment AG
Since 2024 · 1–10 empl.
Hagra Ventures GmbH
Since 2026 · 1–10 empl.
Holding Companies in Au SG
Holding Companies in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of October 11, 2026
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