Roofing

Giacomazzi e Ruffini SA 

Losone · Since 1988

GiM Deckenbau GmbH 

Zurich · Since 2014

GiM Deckenbau GmbH provides ceiling construction and interior finishing services, including system ceilings, acoustic solutions, fire-protection installations and maintenance/service work.

Giovanni Muto SA 

Collombey · Since 2009

The core activity of Giovanni Muto SA is the execution of works as a tinsmith, roofer and waterproofing specialist.

Gmür Energie GmbH 

Mörschwil · Since 1997

Gmür Energie GmbH designs, installs and services photovoltaic systems (in-roof and on-roof) and supplies battery storage, e-mobility charging solutions and energy-planning services. The company handles projects from roof analysis and planning through to commissioning and provides a turnkey service for solar installations.

Gottburg SA 

Boudry · Since 2012

Gottburg SA specializes in roofing, sheet-metal work, waterproofing, photovoltaic systems and ventilated façades. The company undertakes new-build, renovation and conversion projects, provides maintenance and emergency interventions, and follows projects from technical planning through on-site execution.

götte-bau gmbh 

Stein Sg · Since 2010

The core activity of Goettebau GmbH is timber construction and related works, including element construction, interior finishing, roofing, facades, conversions, agricultural buildings, cellulose insulation, stairs and wall heating with loam.

Graber Holzbau GmbH 

Uetendorf · Since 2003

The core activity of Graber Holzbau GmbH is the provision of services and products in the field of timber construction, particularly in the following specialized areas: Carpentry (construction of buildings, garden houses, small animal shelters, etc.), Roofing (roofing and renovation), Solar technology (installation of solar energy systems), and Interior finishing (apartment construction and renovation, wall construction, etc.). The company thus offers a comprehensive range of services and products in the field of timber construction and building technology.

G. Rossique SA 

Carouge Ge · Since 1999

The core activity of Rossique SA is the provision of services in the field of roof construction, maintenance and repair, including the execution of works in the fields of sheet metal work, roofing and waterproofing. The company also offers consulting and planning services, including the conduct of thermal studies and the creation of technical reports.

GSK Leckortung GmbH 

Winterthur · Since 2022

The core activity of GSK Leckortung is the execution of roof analyses, leak detection and roofing work for all types of roofs, particularly for flat roofs of industrial facilities, exhibition and fair buildings, workshops, school buildings and other new or renovated buildings. This also includes roof maintenance and inspections, renovation work, roof cleaning, replacement of gutters, retrofitting of fall protection systems and the installation of roof windows.

Guggisberg Dachtechnik AG 

Wabern · Since 2003

The core activity of Guggisberg includes the planning, execution and maintenance of building envelopes, including roof, façade and energy systems. This specifically includes: Roofing work (pitched roofs, flat roofs), façade construction and renovation, energy-efficient renovations and optimizations, sheet metal work and metal processing, lightning protection and sealing. The company offers these services for new construction projects as well as for the renovation and maintenance of existing buildings, ranging from single-family homes to commercial complexes.

HADE GmbH 

Belp · Since 2020

The core activity of HADE GmbH is the execution of works in the field of flat roofs, building sealing and sheet metal work, in particular: New construction and renovation of flat roofs, Sealing of buildings, including basement sealing, joint sealing and surface sealing, Sheet metal work, including flat roof sheet metal work, roof and protective strips as well as lightning protection, Greening of flat roofs, Application of liquid plastics and coatings. The company also offers services in the field of service and maintenance, including roof service, maintenance of garden slabs and sheet metal work, as well as inspection and fall protection.

Handwerkerpark Schaffhausen GmbH 

Schaffhausen · Since 2019

The core activity of Handwerkerpark Schaffhausen GmbH encompasses two main areas: 1. Roofing and sheet metal work: All services related to flat roofs, roofing, lightning protection, metal facades, gutters, metal roofing, and similar services. 2. Painting services: High-quality painting services for residential and commercial spaces, including interior and exterior painting, wallpapering, plastering, and other related services. The company offers these services to both private customers and administrations as well as other businesses.

Hansueli Holzbau Hensler 

Wilen B. Wollerau · Since 2010

The core activity of Hensler Holzbau encompasses various services in the construction sector, particularly: timber construction, interior finishing, crane work, roofing and facade work. The company thus offers a wide range of construction services, from planning to execution.

Harder Bedachungen AG 

Kloten · Since 2014

Harder Bedachungen AG provides planning and execution of roofing and sheet‑metal work, covering pitched and flat roofs, facades, maintenance, repairs and renovation projects.

Hauptdächer GmbH 

Dietlikon · Since 2019

Hauptdächer GmbH provides roofing and sheet-metal (spengler) services for new-build, renovation and restoration projects, including roof coverings, metalwork for roofs and facades, and related maintenance services.

HausB GmbH 

Uster · Since 2023

The core activity of HausB GmbH is the provision of services in the field of construction and roofing solutions, particularly in the areas of roofing, sheet metal work and flat roof construction. The company offers comprehensive and professional solutions for new buildings, renovation and maintenance of buildings, and places emphasis on highest quality, punctuality and technical expertise.

H. Blumer AG 

Samstagern · Since 1985

The core activity of Blumer AG is the realization of flat roof installations, particularly the planning and execution of flat roofing, including related services such as roofing sheet metal work.

H. Diethelm Holzbau GmbH 

Kaltbrunn · Since 2005

The core activity of H. Diethelm Holzbau GmbH is the provision of services in the field of timber construction and carpentry, particularly in the areas of: new construction, renovation, facade work, roofing, and custom-made furniture and interior finishing. The company thus offers a comprehensive range of services in the field of timber construction and carpentry, from planning and execution of new buildings and renovations to the manufacture of individual furniture and interior fittings.

Helvetic Leaf SA 

Pregassona · Since 2015

The core activity of Helvetic Leaf Group SA is the construction sector, specifically the planning, management and execution of construction projects, including the manufacture and marketing of building materials and products.

Hensch AG 

Flurlingen · Since 2021

Hensch AG is a roofing and sheet-metal company providing roofing and metalwork services. Its activities include pitched and flat roof work, metal roofing, insulation work, lightning protection, ventilated façades, repairs, roof-window installation and liquid-applied waterproofing.