Renovation in the
Canton of St. Gallen

DESAX AG

Since 2008 · 21–50 empl.·5.0(6)

DESAX AG specialises in protecting, correcting and finishing exposed concrete surfaces. Its services include anti-graffiti protection, concrete surface repairs and cosmetics, impregnations and coatings, concrete cleaning, and repairs to hard concrete floors.

Gschwend Holding AG Zuzwil

Since 1984 · 11–20 empl.·5.0(7)

The company's core activity is wood processing and timber construction, particularly sawmilling, interior fitting and general contracting of historic buildings, as well as the production of wood products such as briquettes and the installation of photovoltaic systems.

John & Sommer Bau AG

Since 2011 · 11–20 empl.·4.6(15)

John & Sommer Bau AG is a construction company working in building and civil engineering. Its services include residential, industrial, commercial and agricultural construction, infrastructure and excavation works, renovations and conversions, demolition and recycling, transport and winter maintenance.

Jakob Schneider AG

Since 1979 · 21–50 empl.·4.5(11)

The core activity of J. Schneider AG includes construction and civil engineering, including renovation/refurbishment, customer masonry work (such as tiling, plastering, exterior insulation, etc.) as well as environmental work and excavation services.

Abegg Service

Since 2016 · 1–10 empl.·5.0(15)

Abegg Service provides maintenance and repairs for windows and doors of different makes and ages. Its services include adjustment, seal care, replacement of fittings and glazing, frame repairs, security upgrades, and programming of access systems and home automation.

Fitze Holzbau AG

Since 1986 · 21–50 empl.·5.0(4)

Fitze Holzbau AG is a carpentry and joinery company working on new builds, conversions and renovations. Its services include timber element construction, building envelopes, roofing, façades and stairs, as well as making doors, kitchens, tables, benches and furniture.

Schreinerei Popp AG

Since 2008 · 11–20 empl.·5.0(7)

The core activity of Schreinerei Popp AG is the manufacture and installation of high-quality furniture, kitchens, interior fittings and carpentry work, including planning, materialization, kitchen construction, custom-made furniture, bathroom furniture, table and chair production, wardrobe and cabinet production, sideboard production, bed frame production, renovation and new construction, shop fitting and office equipment, restaurant and hotel equipment, door production and flooring work.

Zulian + Co. AG

Since 1993 · 1–10 empl.·4.9(7)

Zulian + Co. AG is a construction firm offering masonry and plastering services, demolition and small concrete works, as well as repairs and concrete restoration.

agostini-immo GmbH

Since 2006 · 1–10 empl.·5.0(13)

The core activity of Agostini Immobilien is the brokerage and management of real estate, including apartments and houses, as well as the provision of services such as property maintenance, cleaning and renovations. The company also offers consulting services for buyers, sellers and tenants.

Albin Service AG

Since 2017 · 1–10 empl.·4.5(16)

Albin Service AG provides sanitary building maintenance and facility management services. Its activities include drain, pipe and sewer cleaning, sewer inspections and leak-tightness testing, as well as sewer rehabilitation, plumbing, leak detection, structural drying, boiler servicing and ventilation cleaning.

Grässli Kaminfeger GmbH

Since 2013 · 1–10 empl.·5.0(3)

The core activity of Alois Buschor Kaminfeger GmbH is the provision of services related to combustion systems, particularly: sweeping and inspecting chimneys, maintenance and repair of combustion systems, consulting and installation of smoke detectors, and energy consulting for the optimization of heating systems. The company thus offers a comprehensive range of services in the field of chimney and combustion technology.

BAUKOL ARTUR KOLODZIEJCZYK

Since 2015 · 11–20 empl.·4.8(15)

BAUKOL ARTUR KOLODZIEJCZYK provides professional renovation, repair and maintenance services for parquet and natural stone floors. Services include parquet sanding, refinishing and refreshing, floor cleaning and care, colour treatments and work on herringbone (fischgrät) parquet.

Bischofberger Plattenbeläge AG

Since 2015 · 1–10 empl.·5.0(8)

The core activity of Bischofberger Plattenbeläge AG is the planning, consulting, sales and installation of ceramic floor and wall coverings for interior and exterior areas, including new and renovation projects, repairs and silicone joints.

Peterer AG

Since 1979 · 1–10 empl.·4.2(13)

Peterer AG is a construction company carrying out building and civil engineering work, alterations and renovations. It also provides masonry services and repairs to façades, floors and other parts of buildings.

Zoller + Kellenberger AG

Since 1995 · 11–20 empl.·5.0(6)

Zoller + Kellenberger AG is a family business specialising in joinery, carpentry and interior fit-outs. Its work includes made-to-measure furniture, kitchens, doors, timber construction and custom projects.

Gebrüder Mahler AG

Since 1992 · 21–50 empl.·5.0(5)

Gebrüder Mahler AG is a construction company specialising in building and civil engineering. Its services include new construction, conversions and renovations, as well as project development, planning, construction management and outdoor works.

Scherrer Holzbearbeitung GmbH

Since 2005 · 11–20 empl.·4.8(10)

The core activity of Scherrer Holzbearbeitung GmbH is the manufacture and processing of wood products, particularly in the field of carpentry, including the production of furniture, doors, kitchens and other wooden objects.

Frick Ofenbau + Maurerarbeiten

Since 2011 · 1–10 empl.·5.0(9)

The core activity of the company 'Frick Ofenbau und Maurerarbeiten' consists of the execution of oven construction and masonry work, particularly in the field of natural stone work, conversions and restorations.

Tschumper RenoLife GmbH

Since 2023 · 1–10 empl.·4.8(24)

Tschumper RenoLife GmbH carries out renovations, conversions and interior fit-outs and provides related trade services such as timber construction, facades, roofing, sanitary installations, outdoor works, pool construction, crane services and fence construction.

Anderegg Mauerentfeuchtung GmbH

Since 2019 · 1–10 empl.·4.6(12)

Anderegg Mauerentfeuchtung GmbH carries out masonry and damp-basement renovations. Its services include electro-osmotic wall drying, waterproofing, remedying water ingress, injecting water-bearing cracks in concrete, and treating dry rot.

Aqua Control AG

Since 2022 · 1–10 empl.·4.9(15)

The core activity of Aqua Control AG is water damage restoration, particularly in leak detection, building drying and damage processing from A to Z. The company offers a comprehensive service that includes the detection of water damage, the drying of buildings and the restoration of damage. It also offers rental and sales offers for drying equipment and other equipment.

Baumann Elektrokontrollen GmbH

Since 2018 · 1–10 empl.·5.0(5)

The core activity of Baumann Elektrokontrollen GmbH is the independent inspection and testing of electrical installations in residential, industrial and public buildings to ensure the safety of electrical systems. This includes periodic inspections, acceptance tests for electricians and the inspection of all electrical installations, including sockets, switches, lamps, fuse boxes, cable insulation, protective conductors and metallic devices.

Rohrhelden Haus- und Kanaltechnik AG

Since 2024 · 1–10 empl.·5.0(19)

Rohrhelden Haus- und Kanaltechnik AG provides pipe and sewer cleaning as well as shaft emptying services. Its other services include CCTV inspections of sewer pipes, sewer location and mapping, and the repair and maintenance of wastewater pipes.

L. Spreiter AG., Hoch- & Tiefbau, Sevelen/SG

Since 1967 · 11–20 empl.·4.5(11)

L. Spreiter AG is a construction company specializing in building construction and civil engineering. The core activities include planning, execution and renovation of various construction projects, such as single-family homes, multi-family homes, industrial and commercial buildings, public buildings, agricultural buildings, civil engineering, utility lines, sewage systems, springs and water supply, bridges and guardrails.

Koster Gebäudesanierung

Since 2007 · 1–10 empl.·5.0(4)

Koster Gebäudesanierung provides cleaning and treatment services for roofs, façades, floors and walls. Its work includes removing moss, algae and lichen, and it also sells cleaning products online.

Hoehenarbeit.ch Industrie AG

Since 2015 · 11–20 empl.·5.0(7)

The core activity of Hoehenarbeit.ch Industrie AG is the execution of height work and industrial climbing work, including: industrial climbing, fall protection, special installations, dismantling, access solutions, rescue concepts, safety concepts, and the construction of bouldering walls. The company offers these services to customers who need to perform work at hard-to-reach locations, combining conventional and rope-supported working methods to develop efficient and safe solutions.

Sommer GmbH

Since 2017 · 1–10 empl.·5.0(7)

Sommer GmbH provides building maintenance and groundskeeping services, including garden and outdoor-area work. Its services also include demolition and dismantling, repairs, alterations and renovations, as well as waste disposal and transport.

PST-Bausanierungen KLG

Since 2018 · 1–10 empl.·4.6(9)

The core activity of PST Bausanierungen encompasses the execution of building renovation and cleaning work, including: roof covering and cleaning, facade cleaning and renovation, stone cleaning and laying, graffiti removal, insulation of roofs and facades, and drying. The company thus offers a wide range of services in the field of building and property renovation.

Johanneum, Neu St. Johann

Since 1945 · 21–50 empl.

The Johanneum is a company that offers a wide range of services and production facilities. The company's core activities include: * Horticulture and gardening * Painting * Cleaning (including construction cleaning and laundry) * Gastronomy * Carpentry * Industrial manufacturing (including mechanics and wood construction) The company provides these services and products with a focus on customer-oriented consulting and high customer satisfaction. It is also certified according to ISO 9001-2015 and SODK OST+. An important aspect of the company is the integration of people with disabilities into the work processes, enabling them to perform meaningful and in-demand activities.

Bärlocher Steinbruch und Steinhauerei AG

Since 1977 · 11–20 empl.

The core activity of Bärlocher is the extraction and processing of natural stones, particularly Rorschach sandstone, in its own quarry in Switzerland. The company offers a wide range of products, including building blocks, paving stones, steps, tombstones, and other stone products, which are manufactured using traditional stonemasonry and digital stone processing.

Pfiffner & Roos Holzbau AG

Since 1977 · 1–10 empl.

The core activity of Pfiffner & Roos Holzbau AG is timber construction, particularly the planning, execution and manufacture of timber construction work, including element construction, renovation/refurbishment, staircase construction, carpentry and flooring.

Blöchlinger AG

Since 1978 · 11–20 empl.·3.8(12)

Blöchlinger AG provides disposal and recycling services for construction waste, soils and sludge. It processes materials into new building products, including gravel, recycled products and concrete made with recycled aggregates, and also carries out demolition and civil engineering work.

Eugen Brunschwiler

Since 1981 · 1–10 empl.

The core activity of Eugen Brunschwiler Bauunternehmung is the provision of services in the field of construction, particularly: * Building construction * Civil engineering * Demolition work * Excavation * Scaffolding work * Environmental work * Utility lines * Construction yard The company thus offers a wide range of construction services, from planning and execution of construction projects to specialized services such as demolition work and scaffolding work.

Alois Jud AG Schänis, Schreinerei und Küchenbau

Since 1981 · 1–10 empl.

Alois Jud AG Schänis, Schreinerei und Küchenbau is a carpentry business that carries out carpentry work and kitchen construction.

F. Zeller AG

Since 1985 · 11–20 empl.

F. Zeller AG operates a construction business and carries out tiling work.

Schmidt Holzbau AG

Since 1985 · 1–10 empl.

The core activity of Schmidt Holzbau AG is timber construction, particularly the planning and execution of construction projects in the field of high-rise building, with a focus on traditional wood processing and construction methods.

Baugeschäft Heeb AG

Since 1991 · 11–20 empl.

The core activity of Baugeschäft Heeb AG is construction, particularly the building of single-family and multi-family homes as well as agricultural structures.

Gebrüder Kressig Generalunternehmung AG

Since 1992 · 1–10 empl.

Gebrüder Kressig Generalunternehmung AG provides general contracting services in building construction, including planning, site management and execution. Its offered services include demolition, exterior façades, master-builder (baumeister) work, roofing, flooring, external/site works, renovations, carpentry and rental of residential properties.