General Contractors in the
Canton of Appenzell Inner Rhodes

Hohl AG Bauunternehmung

Since 1991 · 1–10 empl.

Hohl AG Bauunternehmung is a construction company that plans and carries out new-build projects, renovations and commercial building works. Its services include demolition and civil engineering, masonry work, garden and landscape construction, agricultural buildings, transportation and winter services.

MFW Architekten AG

Since 2009 · 1–10 empl.

Gassner Garten is primarily involved in garden planning, garden construction, garden maintenance, biodesign, pools, terraces, lighting, accessories and garden furniture. Thus, it offers services and products in the field of garden and landscape construction.

KELLENBERGER ARCHITEKTUR GMBH

Since 2010 · 11–20 empl.

KELLENBERGER ARCHITEKTUR GMBH provides comprehensive architectural services from concept design through implementation, including permitting, tendering, contract award and construction supervision. The firm also offers energy consulting including GEAK® assessments and works on new builds, renovations and extensions for residential and institutional projects.

Hohl AG Oberegg

Since 2018 · 1–10 empl.

Hohl AG Oberegg is a construction company that carries out new builds, renovations and commercial building projects and provides structural (building) and civil engineering (demolition/tiefbau) services. The firm also offers customer masonry, garden landscaping, agricultural building construction, transport services and winter maintenance.

Mazenauer Immobilien GmbH

Since 2015 · 1–10 empl.

The core activity of Mazenauer Immobilien GmbH is the management and brokerage of real estate properties.

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.

M Mazenauer AG

Since 2022 · 1–10 empl.

The core activity of M Mazenauer AG is the interior finishing and manufacturing of furniture and fixtures for residential and commercial spaces, including kitchens, bathrooms, flooring and antique woodwork. The company also provides planning and consulting services for individual furnishing solutions.

Koller Koster AG

Since 2006 · 11–20 empl.·5.0(1)

The core activity of Koller Koster AG is architecture, particularly the planning and realization of construction projects, renovations and monument preservation projects.

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 is a specialist company for plastering and painting work. Its services include interior and exterior plastering, external thermal insulation, fire protection, drywall construction, as well as renovation and refurbishment work.

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.