Building contractor in
Winterthur

Swiss Renovation GmbH

Since 2016 · 1–10 empl.·5.0(23)

The company's core activity is the renovation and refurbishment of buildings, particularly the removal of mold, sealing and building protection, as well as the execution of conversion and renovation work. The company also offers analysis and consulting services to find and implement individual solutions for problems and damage to buildings.

CORTI SPLEISS Immobilien AG

Since 2001 · 11–20 empl.·4.1(14)

CORTI SPLEISS Immobilien AG is part of the CORTI SPLEISS Group and provides services related to construction, conversion, renovation, and project development. The company supports building projects from planning through execution and works in new construction, façade work, stonework, and pollutant remediation.

HEBAG AG, Unternehmen für Hebe- und Verschiebetechnik

Since 2001 · 11–20 empl.·5.0(5)

The core activity of HEBAG AG is the development, manufacture and delivery of products and services for bridge construction as well as special and deep foundation engineering, particularly in the areas of bridge bearings, road crossings, special constructions, lifting and shifting technology.

BWT Bau AG

Since 1966 · 101–500 empl.

BWT Bau AG is a construction company carrying out new-build, renovation and refurbishment projects and providing services such as concrete repair, concrete drilling/cutting and hazardous-material remediation. The company also delivers timber element construction and small-scale building works.

RBW Rohrdorfer Betonwerke Swiss AG

Since 1997 · 11–20 empl.

The core activity of Rohrdorfer Betonwerke/RBW encompasses the manufacture and distribution of precast concrete elements, in particular ceiling systems, wall systems, prefabricated stairs, balconies and prefabricated garages.

Barok GmbH

Since 2016 · 1–10 empl.

Barok GmbH provides construction management and coordination services for building projects. Its activities include architectural planning, project and site management, site organisation, schedule and cost planning, tendering, and warranty and defect management.

Mimmo Bauunternehmung AG

Since 1990 · 11–20 empl.·4.7(3)

The core activity of MIMMO Bauunternehmung AG is the provision of services in the field of building construction, particularly in the following areas: demolition work, masonry, plastering, flooring, garden paths, facade renovation, silicone joints, and core drilling. The company thus offers a wide range of construction services, ranging from renovation and refurbishment of buildings to new construction and conversion work.

ABSON Sanierungstechnik AG

Since 2000 · 11–20 empl.·4.2(5)

The core activity of ABSON Sanierungstechnik AG is the professional remediation of hazardous substances in private and publicly used buildings, including planning, implementation and special disposal of hazardous substances.

Baltensperger AG Hochbau Tiefbau Holzbau

Since 1974 · 51–100 empl.·5.0(1)

Baltensperger AG Hochbau Tiefbau Holzbau carries out building, civil engineering and timber construction projects. Its services include new builds, renovations, carpentry, and prefabricated timber-system and modular buildings.

SaBau AG

Since 2021 · 1–10 empl.

SaBau AG is a construction company carrying out civil engineering and building construction work. Its services also include extensions and conversions, renovations, core drilling and concrete milling.

Walter Melere AG

Since 1982 · 1–10 empl.·5.0(5)

Walter Melere AG provides structural fire protection services, including soft firestopping, mortar-based firestopping, fire protection claddings, firestop joints, silicone and hybrid sealants, and core drilling. The company also offers fire protection consulting and digital fire protection documentation.

Kryeziu Bau GmbH

Since 2021 · 1–10 empl.

The core activity of Kryeziu Bau Schalung Group is the provision of formwork services, particularly for projects in high-rise construction, new construction and renovation.