Renovation in
Widnau

Bernhard Frei AG

Since 1976 · 21–50 empl.·4.6(21)

Bernhard Frei AG is a construction company that carries out road and civil engineering works as well as specialist deep‑foundation services. Its services include sewer and utility installation, concrete pavements, earthworks and subbase construction, paving and surfacing, site‑environment works, and specialist methods such as anchors, micropiles, bored piles, sheet piles, shotcrete, groundwater lowering and well drilling.

Micha Niederer

Since 2010 · 1–10 empl.

The company's core activity is providing services in the field of chimney sweeping, including maintenance, repair and servicing of heating and air conditioning systems, as well as conducting emission measurements and fire protection consulting.

Tschigi GmbH

Since 2006 · 1–10 empl.·5.0(1)

The core activity of Tschigi GmbH is the provision of services in the field of carpentry, window and door construction, including new constructions, renovations and conversions. This also includes interior fittings, furniture manufacturing and roof extensions. The company also offers individual solutions for private individuals, architects, commercial companies and public institutions.

Bischof - Bischof GmbH

Since 2025 · 1–10 empl.

Bischof - Bischof GmbH provides consulting and services for the detection and remediation of indoor contaminants. The company focuses on asbestos remediation, mould removal, and surface sealing with nano products, and advises property owners, administrators, planners and construction companies.

Angelo Frei GmbH

Since 2024 · 1–10 empl.·5.0(1)

Angelo Frei GmbH carries out home renovations, repairs and conversions, as well as interior work. Its garden services include mowing, trimming shrubs and laying paving.

IHRMANN PLUS GmbH

Since 2025 · 1–10 empl.

IHRMANN PLUS GmbH offers general handyman and renovation services for private clients, including repairs, furniture and kitchen assembly, floor installations, lighting and mirror mounting, restoration work, and garden maintenance. The company assembles project-specific teams from a network of professionals and carries out both small jobs and larger renovation projects.

Mobau GmbH

Since 1996 · 1–10 empl.

GEBUTECH Marcel Meier

Since 2000 · 1–10 empl.

Heule Dama GmbH

Since 2012 · 1–10 empl.

Kamin- & Isolierservice GmbH

Since 2012 · 1–10 empl.

INVEST Trust Real Estate AG

Since 2013 · 1–10 empl.

IM Muki GmbH

Since 2014 · 1–10 empl.