General contractor in the
Canton of Appenzell Inner Rhodes

Hohl AG Bauunternehmung

Since 1991 · 1–10 empl.

Hohl AG Bauunternehmung is a construction company carrying out demolition and civil engineering work, building construction, masonry and renovation. Its services also include garden landscaping, agricultural buildings, transport and winter maintenance.

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.

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 total contractor specialising in the construction of private homes and investment properties. Its services include planning, construction, sales, rentals and property management.

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.

M Mazenauer AG is a joinery company specialising in kitchens and interior construction. It plans and builds kitchens, bathrooms, residential and commercial interiors, flooring and interiors using reclaimed wood.

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)

Alpha Group AG is a general and total contractor specialising in the refurbishment of apartment buildings and the planning and delivery of new-build projects. It assesses and optimises existing properties and supports construction projects from development through to completion.

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.

West Star Construction AG provides construction management, general contracting, planning and feasibility studies. The company sells building land and turnkey houses, and rents out apartments, houses, holiday homes, factory premises and parking spaces.