Mason 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.

ZUKA UMBAU & RENOVATION GmbH

Since 2010 · 1–10 empl.·5.0(13)

ZUKA UMBAU & RENOVATION GmbH is a construction company specialising in alterations and renovations to detached houses, apartment buildings and commercial buildings. Its services include bathroom and kitchen renovations, wall openings, concrete repairs, masonry, plastering and rendering.

Basil Bau GmbH

Since 2021 · 1–10 empl.·5.0(14)

Basil Bau GmbH is a construction company carrying out building and civil engineering work. Its services include masonry work, core drilling, formwork, demolition and renovations, excavation, basement waterproofing, structural calculations and execution plans.

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.

Mabag AG

Since 1979 · 11–20 empl.·4.0(4)

The core activity of MABAG AG encompasses the planning, execution and consulting of construction projects in the areas of new construction, renovation and refurbishment of buildings and other structures. This includes: New construction: Construction of small new buildings, including excavation, sewerage, utility lines, concrete work, masonry, plastering, drywall and rendering. Renovation: Renovation of building envelopes, including facades and rendered external thermal insulation, as well as replacement of windows, heating systems, retaining walls, concrete work and sewerage systems. The company also offers additional services such as core drilling, concrete cutting and the creation of offers.

TENOVA BAU GmbH

Since 2008 · 1–10 empl.·5.0(2)

TENOVA BAU GmbH carries out formwork and masonry work. Its services include slab, wall, stair and circular formwork, as well as various types of masonry.

AN TA Baurenovationen GmbH

Since 2023 · 1–10 empl.

AN TA Baurenovationen GmbH carries out alterations and renovations to properties. Its services include demolition, masonry work, concrete and facade repairs, and work on outdoor areas; the company also coordinates renovation projects.

Jochen Binder

Since 1991 · 1–10 empl.

Hidegh Kundenmaurer GmbH

Since 2002 · 1–10 empl.

Naher Bau GmbH

Since 2025 · 1–10 empl.