General contractor in
Appenzell

MFW Architekten AG

Since 2009 · 1–10 empl.

MFW Architekten AG is an architecture and planning practice working on new builds, renovations and feasibility studies. Its projects include housing, multipurpose buildings, schools, commercial and industrial buildings, hotels and care homes; it supports projects from development and design through planning and construction management.

KELLENBERGER ARCHITEKTUR GMBH

Since 2010 · 11–20 empl.

KELLENBERGER ARCHITEKTUR GMBH provides architectural services from design through construction and supports projects throughout the building process. Its services also include energy consultancy and GEAK assessments, and its projects include homes, commercial buildings and public buildings.

ZIELBAU AG

Since 2005 · 11–20 empl.·4.8(4)

ZIELBAU AG is a general contractor that builds private homes and investment properties. The company provides end-to-end services including design, construction, sales, leasing and property management, and delivers projects at a guaranteed fixed price.

ZIELBAU GROUP AG

Since 2016 · 1–10 empl.·4.8(4)

ZIELBAU GROUP AG is a construction company and total contractor that develops and delivers residential and investment properties. Services include project development, design and planning, construction execution, sales, rental and property management, with projects offered at a guaranteed fixed price.

Koller Koster AG

Since 2006 · 11–20 empl.·5.0(1)

Koller Koster AG is an architecture practice working on projects for housing, workplaces, culture and infrastructure. Its work includes new buildings, renovations, heritage conservation, interior spaces and public spaces.

Alpha Group AG

Since 2008 · 1–10 empl.·1.0(1)

The core activity of Alpha Group AG is the renovation and optimization of real estate, particularly multi-family houses, with the aim of preserving or increasing the value of the properties. This includes analyzing the condition of the buildings, planning and implementing renovation measures, as well as advising investors and property owners.

Faustino Bau AG

Since 2025 · 1–10 empl.

Faustino Bau AG carries out plastering and painting work for new builds, conversions, renovations and refurbishments. Its services include interior and exterior plastering, external thermal insulation, drywall construction and structural fire protection.

West Star Construction AG

Since 2006 · 1–10 empl.

The core activity of West Star Construction AG is the planning and execution of construction projects, including general construction, planning and studies. The company also offers sales and rental properties, such as building land, model houses, factory buildings, parking spaces and holiday homes.

ARGBAU AG

Since 2024 · 1–10 empl.

ARGBAU AG is a general construction company that carries out building projects from planning through completion. The company also offers services in house construction, furniture and kitchen construction, as well as construction management and site supervision.

Schweizerbau, Wölfle & Locherer

Since 2007 · 1–10 empl.

NM Projekt AG

Since 2017 · 1–10 empl.

Aeberhard + Partner Bau AG

Since 2019 · 1–10 empl.