Renovation in
Wallisellen

Renespa AG

Since 1996 · 1–10 empl.

Renespa AG plans and delivers building renovations and new construction projects, and carries out property analyses. Its services include project development, general planning, construction management and project management, as well as delivery as general or total contractor.

Opus AG Bauunternehmung

Since 2007 · 11–20 empl.

Opus AG Bauunternehmung is a construction company specialising in building construction and civil engineering. It carries out construction work across all phases of a project.

Blumbau AG

Since 2008 · 11–20 empl.

Blumbau AG is a construction and renovation company that plans and carries out building projects. Its services include masonry, plastering, painting and tiling, drywall construction, and façade renovations.

Ing. K. Balidis Abgasanlagen GmbH

Since 2010 · 1–10 empl.

Ing. K. Balidis Abgasanlagen GmbH plans, designs and installs exhaust systems for new buildings and renovation projects. Its services also include chimney and stove systems, technical advice and sizing, and repairs to existing installations.

Wasserhahn Sicherheitstechnik GmbH

Since 2012 · 1–10 empl.

Wasserhahn Sicherheitstechnik GmbH offers leak detection devices to help protect properties, industrial facilities and commercial businesses from water damage. The devices sound an alarm when a leak is detected, and some models can also shut off the water supply automatically.

Ferrotekt Steel Protection AG

Since 2014 · 11–20 empl.

Ferrotekt Steel Protection AG supplies products and services for corrosion protection, fire protection and building protection. Its activities include condition assessments, consulting, technical support, product delivery and quality assurance, as well as protective coatings and seamless flooring.

Trachsler + Co

Since 2001 · 1–10 empl.·5.0(5)

Trachsler + Co performs chimney-sweeping work on wood-, oil- and gas-fired systems. Its services include mandatory and periodic heating-system inspections with flue-gas measurements, as well as repairs and maintenance of combustion and heating systems.

Primoplan AG

Since 2023 · 11–20 empl.

Primoplan AG plans and delivers new-build and renovation projects for private and institutional investors and clients. As a general or total contractor, it supports construction projects from planning and design through execution.

Hitz Fassadenpflege AG

Since 1991 · 1–10 empl.·5.0(3)

Hitz Fassadenpflege AG provides façade and surface cleaning, maintenance and renovation. Its services include cleaning metal, glass, concrete, stone, rendered and ceramic façades, as well as solar surfaces; it also sells cleaning and care products for surfaces.

Exakt Bau GmbH

Since 2020 · 1–10 empl.·5.0(6)

The core activity of Exakt Bau GmbH is the provision of services in the field of renovation, dismantling and chimney renovation, particularly in the Zurich region.

J. Frehner's Söhne AG

Since 2002 · 1–10 empl.·3.3(3)

J. Frehner's Söhne AG provides roofing and façade services. Its work includes new construction and renovation, repairs and maintenance, as well as roof waterproofing and insulation, green roofs, roof windows and solar installations.

Hans-Jürg Mauch, Umbauten, Renovationen und Kundenmauern

Since 2014 · 1–10 empl.·5.0(1)

Hans-Jürg Mauch, Umbauten, Renovationen und Kundenmauern provides masonry and renovation services, including conversions, bathroom renovations, restorations, installation of timber‑gypsum lightweight partition walls, and traditional masonry work with formwork, reinforcement and concrete. The proprietor acts as the direct contact and manages projects from order intake and quotation to material procurement and execution.