Specialized Construction Activities in
Herisau

ASG Technik AG

Since 1997 · 1–10 empl.·5.0(4)

ASG Technik AG offers security solutions for the safekeeping and protection of valuables and operates safes, gun safes, locking systems as well as banking facilities. The company provides consulting, planning, sales, installation, service and maintenance as well as custom-made solutions, relocation logistics, warehouse handling and key service.

Niklaus Ammann

Since 2000 · 1–10 empl.·4.7(3)

Niklaus Ammann provides pool construction and related maintenance services. The offering includes design and construction of indoor and outdoor pools, steam rooms, saunas and whirlpools, as well as spare parts supply, servicing and filter replacement.

Halti Ofenbau + Plattenbeläge Ch. Haltiner

Since 2006 · 1–10 empl.·5.0(1)

The core activity of Haltiner Ofenbau & Plattenbeläge is the construction and installation of fireplaces, ovens and plate coatings.

Kopernikus Energy KLG

Since 2025 · 1–10 empl.

Kopernikus Energy KLG plans and implements photovoltaic systems and energy projects for building and open-area sites. The company also provides consulting, planning, execution, and after-sales service related to heat pumps and energy-efficient renovations.

HEER GMBH HERISAU

Since 2026 · 1–10 empl.

HEER GMBH HERISAU provides shading systems, glazing solutions and related service work. Its range includes roller shutters, Venetian blinds, sun awnings, winter gardens, pergolas, folding walls, as well as repairs, maintenance and control systems.

easysolar europe GmbH

Since 2020 · 1–10 empl.

easysolar europe GmbH provides consultancy and services for photovoltaic systems, supporting both commercial and private photovoltaic installations.

Mati Rückbau-Umbau GmbH

Since 2025 · 1–10 empl.

Mati Rückbau-Umbau GmbH provides demolition, renovation and concrete work, as well as dismantling, disposal, facade work and plastering services. The company carries out projects for building and industrial infrastructure with a focus on precise, clean and on-time execution.

Meko Eisenleger GmbH

Since 2020 · 1–10 empl.

GT Armierungen Gomes & Teixeira GmbH

Since 2021 · 1–10 empl.

The core activity of Wix.com is to offer a platform for creating and managing websites, including the registration and management of domains.

Los Andaluces Armierungen Bernal Franco

Since 2024 · 1–10 empl.

Ferrix GmbH

Since 2025 · 1–10 empl.