Building Maintenance

S Construction SA 

La Verrerie · Since 2018

S Construction SA is a construction company that carries out masonry and reinforced concrete work and constructs new industrial, residential and administrative buildings. The firm provides renovations and transformations, demolition, civil engineering and general contracting services, including exterior landscaping, earthworks and drainage works.

Solena Immobilien AG 

Bergün/Bravuogn · Since 1992

The core activity of Solena Immobilien AG encompasses a comprehensive range of services in the field of real estate economics. These include: * Rental: Rental of properties, including the creation of rental concepts, calculation and determination of rents, as well as the creation of rental documentation. * Sales: Sales of properties, including the assessment of the property, determination of the sales price, creation of sales documentation, and accompaniment of potential buyers. * Management: Management of properties, including regional anchoring, communication with condominium owners, management of accounts receivable and payable, making advance payments and collections, as well as creation of annual ancillary cost statements. * Renovation and reconstruction: Renovation and reconstruction of properties, including construction management during renovations, restorations, reconstructions, and renewals, coordination of specialists, determination and proposal of measures, as well as tendering of craft contracts. Overall, Solena Immobilien AG offers a comprehensive 360-degree service in the field of real estate economics.

Daams Fenster & Montagen 

Kreuzlingen · Since 2025

The core activity of Daams Fenster & Montagen is the installation, replacement and maintenance of windows.

Ardizio Toitures SA 

Petit-Lancy · Since 1989

The core activity of Ardizio Toitures SA is the provision of services in the field of roofing and maintenance, including: waterproofing, metalworking for roofing and cladding, roofing with various materials such as slate, tiles, and metal, insulation (thermal and soundproofing of roofs), maintenance and renovation of roofs, emergency interventions for roof damage, and a study office for planning and designing roof projects. The company offers these services to private individuals, companies, and public institutions in the cantons of Geneva and Vaud.

Portmann Bau AG 

Doppleschwand · Since 2017

besa strassenunterhalt AG 

Balterswil · Since 2010

The core activity of strassenunterhalt AG is the provision of services in the field of road and rail maintenance, particularly in green maintenance of roads and rails, tunnel cleaning, field and forest road maintenance, property maintenance, winter service, ecological slope maintenance, stump and clearing work, ditch service, energy wood harvesting and special forestry.

Bolter Bau GmbH 

Buchs Sg · Since 2019

The core activity of Bolter Bau GmbH is the provision of skilled craftsmanship services in the construction sector, particularly: masonry work, garden design and landscaping, renovations, conversions and demolition work, and the construction of concrete retaining walls and forecourts. The company thus offers a wide range of services in the construction sector and positions itself as a personal craftsman for customers.

Briccola Omar 

Riva San Vitale · Since 2015

The core activity of the company "Briccola Omar" consists of carrying out various works in the field of construction, in particular: masonry, bathroom renovations, kitchen renovations, leak detection and repair, demolition, excavation, renovation and flooring. The company offers these services to both private clients and businesses, including collaborations with other professionals such as landscapers, plumbers and electricians.

Büchler Elektro-Services GmbH 

Goldach · Since 2010

The core activity of Büchler Elektro-Services GmbH is the planning, installation and maintenance of electrical systems and installations, particularly in the areas of building and plant automation, lighting control systems, building cabling, voice systems and security systems.

Contrabi SA 

Biasca · Since 1977

The core activity of Contrabi SA is the provision of services in the field of civil engineering, particularly in the areas of: excavations, river works, transportation services, demolition of buildings and bridges, recycling, and remediation of contaminated soil. The company thus offers a wide range of services in the construction and infrastructure sectors.

Dimitri Costruzioni Sagl 

Losone · Since 2010

The core activity of Dimitri Costruzioni Sagl is the provision of services in the field of construction and property maintenance, particularly in the areas of gardening (Giardinieri), masonry (Muratori) and building maintenance (Manutenzione stabili).

Engler Renovationen GmbH 

Amlikon-Bissegg · Since 2022

The core activity of Engler Renovationen GmbH is the execution of renovation and conversion work on houses, including: tile laying work (glass mosaic, ceramic tiles, garden tiles, natural stone tiles), flooring work (parquet floors, vinyl floors, laminate floors), painting work (decorative work, color concepts, wallpaper), masonry work (demolition work, customer-specific masonry work, water damage restoration), complete renovations of bathrooms, facades and other rooms, and the conversion of single-family homes and other buildings. The company thus offers a comprehensive range of renovation and conversion services for the private and possibly also commercial sectors.

Escobar Leiva Rénovations 

Lausanne · Since 2024

The core activity of Escobar Leiva Rénovations is the execution of renovation and decoration work, particularly in the following areas: Plâtrerie (structure assembly, plate installation, smoothing and coating), Peinture (surface preparation, interior and exterior painting), Isolation (thermal and acoustic insulation of interior and exterior spaces), Façade (coating, painting, creams, cleaning, repair and treatment of facades), Plafond tendu (acoustic and aesthetic solutions for ceilings), and Décoration (installation of acoustic panels, wallpaper and decorative effects). The company also provides comprehensive support for renovation projects, including the development of ideas, creation of plans and after-sales service.

Hugo Blaser AG 

Baar · Since 1990

KanalFix GmbH 

Zurich · Since 2023

The core activity of Kanalfix GmbH is the inspection, cleaning and renovation of pipes and canal systems, including maintenance cleaning, spray lining, suction work, new and renovation cleaning, emergency assistance and drilling and milling work.

Karlen macht's GmbH 

Im Fang · Since 2022

The company offers various services in the field of building technology and maintenance. The core activities include: Sanitary work (e.g. repair of water pipes, installation of sanitary facilities), sheet metal work (e.g. manufacture and installation of gutters, downspouts, chimney hoods and special cladding), roofing (e.g. roofing with various materials, thermal insulation, installation of skylights), pipeline construction (e.g. repair and installation of water pipes), and special work (e.g. demanding and extraordinary work, such as high-rise or civil engineering work). The company thus offers a wide range of services for the maintenance and expansion of buildings.

MJB Rénovations Sàrl 

Belfaux · Since 2020

The core activity of MJB Rénovations Sàrl is the execution of renovations and general construction works.

Röthlisberger Bauarbeiten 

Melchnau · Since 1998

The company's core activities are: 1. Transportation services (particularly grain transport, construction site and quarry transport with dump trucks and low-loaders) 2. Excavation work (including excavator rental) 3. Construction work (new construction, renovation, environmental work) 4. Agriculture (pick-your-own strawberries)

Thöny Bau AG 

Schiers · Since 1986

The core activity of Thöny Bau AG is the execution of high-rise, civil engineering and renovation work, including natural stone work, restoration of ruins, renovations and new buildings.

wyss building ag 

Langnau B. Reiden · Since 2015

The core activity of Wyss Building AG is general contracting in the construction and real estate sector, including new construction, renovation, rehabilitation and renovation of properties, as well as consulting and support for customers in construction projects.