Specialist foundation engineering in the
Canton of Aargau

Wiedemeier AG

Since 2007 · 1–10 empl.·4.7(20)

The core activity of Wiedemeier AG is the installation, maintenance and repair of heating systems, including oil burners, gas heating systems, thermal solar systems, heat pumps, condensing oil heating systems and heating walls. Additionally, the company also offers services such as boiler descaling, official combustion control and emergency services.

Zimmerli Dach- & Lukarnenbau AG

Since 2008 · 1–10 empl.·4.6(21)

The core activity of Zimmerli Dach- & Lukarnenbau AG is the planning, manufacturing and installation of roof dormers as prefabricated elements, including related services such as design, consulting, clarification with authorities and delivery. In addition, the company also offers roofing work, facade and insulation work, as well as the production of side windows.

Die-Steinpfleger Ro.Sche. GmbH

Since 2022 · 21–50 empl.·4.7(31)

Die-Steinpfleger Ro.Sche. GmbH provides cleaning and refurbishment of paving, concrete and terrace surfaces. Its services also include cleaning walls and façades and removing rust, oil and paint stains.

Kiwera AG

Since 1972 · 1–10 empl.·4.8(15)

Kiwera AG builds and renovates chimney and fireplace systems. Its services include fireplace stoves, flue-shaft systems and repairs to various types of chimneys.

Dobler-Bautenschutz AG

Since 2003 · 11–20 empl.·4.3(53)

The core activity of Dobler-Bautenschutz AG is the provision of services in the field of building protection, particularly in the renovation and maintenance of buildings. This includes, among other things: injections against moisture and water, joint seals and basement waterproofing, mold and dry rot remediation, concrete renovation and liquid plastic, crack repair and old building renovation, monument preservation and historic plastering, facade renovation and balcony, terrace and conservatory renovation, vaulted cellar renovation and mineral interior insulation, rubble stone masonry renovation and painting and plastering work, tile laying and joint renovation, building expertise and expert opinions, mold testing and thermography, damage analysis and DNA analysis, building physics and chemical analysis, fogging technology and cold fogging, room and surface disinfection, air duct and cavity renovation, and radon remediation. The company thus offers a comprehensive range of services to protect, renovate and maintain buildings.

E. Floccari AG, Gipser Geschäft

Since 2013 · 11–20 empl.·4.2(31)

The core activity of E. Floccari AG primarily encompasses services in the construction industry, specifically: plastering, painting, drywall construction, facade work, and real estate and property management. The company thus offers a wide range of construction-related services, focusing on the execution of work in the areas of interior and exterior construction.

VERA Renovationen GmbH

Since 2005 · 1–10 empl.·5.0(10)

VERA Renovationen GmbH carries out renovations and refurbishments of residential and commercial properties. Its services include painting and plastering, facade renovation, flooring, cleaning, and kitchen, sanitary and window work.

John AG Zaunbau

Since 1967 · 1–10 empl.·4.6(16)

John AG Zaunbau plans and installs fencing systems, doors, gates and railings. Its services and products also include privacy and noise barriers, fencing materials and accessories, electric gate maintenance, temporary fence rental and pile-driving services.

Keller & Steiner AG Fahrwangen

Since 1984 · 1–10 empl.·4.4(24)

The core activity of Keller + Steiner AG encompasses various services in the construction sector, particularly: Construction scaffolding: Development and provision of scaffolding systems, special solutions, and scaffolding towers. Surveying: Land and height surveying, building surveying, construction surveying, engineering surveying, and geotechnical monitoring. Drawing office: Creation of plans and drawings for construction projects. Wall and floor coverings: Installation of wall and floor coverings. Living spaces: Creation of turnkey living spaces. Roofing: Services in the field of roofing. The company thus offers a wide range of services, from planning and surveying to the execution of construction projects and the completion of living spaces.

BP Haustechnik AG

Since 2022 · 21–50 empl.·4.6(28)

The core activity of BP Haustechnik AG is the provision of services in the field of building technology, particularly in the areas of heating, sanitation, water supply, consulting and planning. This also includes specific offers such as boiler descaling, toilet flushing, comfort ventilation, leak detector replacement, water filters and ventilation cleaning. The company also offers a 24-hour service and coordinates the various services in building technology for private customers, architects and the public sector.

Diethelm Fassadenbau AG

Since 1970 · 11–20 empl.·4.9(14)

The core activity of Diethelm Fassadenbau AG is the realization of building envelopes for large construction projects, particularly in the field of ventilated facades of all kinds, as well as sheet metal processing for industry and trade.

K&K Saniblitz GmbH

Since 2010 · 1–10 empl.·5.0(11)

The core activity of K&K Saniblitz GmbH is the provision of services in the field of sanitation and heating, including repairs.

KOL Gebäudehülle GmbH

Since 2022 · 1–10 empl.·5.0(27)

KOL Gebäudehülle GmbH advises on, plans and carries out building-envelope work. Its services include flat and pitched roofs, sheet-metal work, waterproofing, roof windows, lightning protection and photovoltaic systems.

Fischer Rista AG

Since 1999 · 21–50 empl.·4.7(13)

The core activity of Fischer Rista AG is the development and manufacture of custom-made, prefabricated reinforcements and reinforcement systems for demanding construction projects and precast concrete production.

Buba AG

Since 1992 · 1–10 empl.·5.0(8)

The core activity of BUBA AG is the provision of services in the field of construction drying, specifically: drying of water damage, leak detection and moisture measurement, construction heating, building thermography, drying of new buildings, and rental and sale of dehumidifiers and dryers. The company thus offers a wide range of services aimed at repairing and preventing damage caused by water and moisture to buildings.

ISF Industrie-Service Fricktal AG

Since 2005 · 11–20 empl.·4.9(8)

The core activity of ISF Industrie-Service Fricktal AG is plant engineering, particularly in the chemical, pharmaceutical and food industries, as well as pipeline construction and related services such as documentation and maintenance.

Bau Ing AG

Since 1994 · 11–20 empl.·4.8(4)

The core activity of Bau Ing AG is the planning, design, assembly and maintenance of steel structures, plants and frameworks, including engineering, assembly and revision work, welding supervision and structural analysis.

Demuth AG

Since 1969 · 21–50 empl.·4.1(18)

Demuth AG plans and installs building services systems and provides their maintenance. Its services include plumbing, heating, cooling, ventilation and air-conditioning, from consultation and planning through to installation.

Tiefbohrbär AG

Since 1996 · 11–20 empl.·4.2(16)

The core activity of Tiefbohrbär is the execution of precise deep drilling for industry and research. The company offers specialized services for the smallest, largest and deepest deep drilling and attaches importance to the highest quality (QQQ).

Rymann & Widmer AG

Since 1999 · 1–10 empl.·5.0(8)

Rymann & Widmer AG provides heating, ventilation and sanitary services, including planning, installation and maintenance of heating, ventilation and sanitary systems. The website states the company offers environmentally oriented solutions such as residential ventilation, heat systems and related consultancy and service.

AGB Bautechnik Aktiengesellschaft

Since 2003 · 51–100 empl.·4.0(12)

AGB Bautechnik Aktiengesellschaft provides planning, production, delivery and installation of raised floor systems and supplies floor coverings and related accessories. The portfolio includes double floors (thermal, acoustic and technical-room variants), step and hollow floors, as well as resilient, textile, wood and mineral floor coverings.

Eckert Bautechnik GmbH

Since 2018 · 1–10 empl.·5.0(14)

The core activity of Eckert Bautechnik is the provision of services in the construction industry, particularly in the areas of: demolition and dismantling, concrete processing (joint cutting, core drilling, concrete grinding), construction services, floor coating and repair, and induction grinding. The company thus offers a wide range of services for construction projects and positions itself as a reliable partner for customers in the construction industry.

Jeggli Bau GmbH

Since 2023 · 1–10 empl.·5.0(21)

Jeggli Bau GmbH carries out building and trade work in timber construction, carpentry, glazing and electrical installations. Its services also include photovoltaic systems, electrical inspections, multimedia installations and insect screens.

KOPA Bauservices GmbH

Since 2003 · 11–20 empl.·5.0(2)

KOPA Bauservices GmbH provides services for construction profiles and moisture monitoring, particularly for flat roofs and timber buildings. Its activities include surveying, installing and renting construction profiles, trading in building materials, non-destructive watertightness testing, leak detection and moisture monitoring.

T. Ielapi Fassaden GmbH

Since 2012 · 1–10 empl.·5.0(6)

The core activity of T. Ielapi Fassaden GmbH is facade construction, including renovation, conversion, insulation and plastering work for buildings.

CSTC perrone GmbH

Since 2021 · 1–10 empl.·5.0(13)

CSTC perrone GmbH is an auto body and paint workshop providing body repairs and painting services for cars and motorcycles. Its services include hail-damage repair, windshield replacement, wheel refinishing and visual tuning, and the company handles insurance invoicing for glass claims.

Merz AG Bauunternehmung

Since 1992 · 21–50 empl.·3.9(10)

Merz AG Bauunternehmung is an independent construction company providing planning, construction management and building services. Its offerings include architecture and project management, new-build and civil engineering works, renovations, garden and utility-line works, drilling and milling, transport and mulching services, and a 24-hour emergency service.

Avanti Bau GmbH

Since 1998 · 1–10 empl.·4.5(8)

Avanti Bau GmbH provides building waterproofing, insulation and renovation services. Its work includes building protection and coatings, flat-roof services, repairs, structural reinforcement, fire protection and remediation of mould damage.

Bodenbender (Schweiz) AG

Since 2020 · 21–50 empl.·5.0(3)

Bodenbender (Schweiz) AG is part of the Bodenbender Group and operates in trenchless pipe and sewer rehabilitation. Its business covers rehabilitation systems and materials, machinery and equipment, as well as training, advice and service.

Salm Fassadenwelten GmbH

Since 2021 · 1–10 empl.·4.7(16)

Salm Fassadenwelten GmbH provides consulting, installation and maintenance services for ventilated building facades, working with materials such as metal, fibre‑cement and ceramic.

DrySite AG

Since 2024 · 1–10 empl.·5.0(18)

DrySite AG provides water-damage remediation, leak detection, building analysis and construction drying. Its services include investigating moisture damage, drying buildings and coordinating restoration work when required.

Diamantbohr AG

Since 1971 · 101–500 empl.

Diamantbohr AG performs drilling, cutting and controlled deconstruction of concrete and masonry. The company provides services including core drilling, diamond wire sawing, tunnel profile milling, joint cutting, anchoring assemblies and adhesive reinforcement, as well as logistics and dewatering/sludge management solutions. Diamantbohr AG is part of the Frutiger Group.

Urfer Immo AG

Since 1981 · 21–50 empl.

The core activity of URFER-MÜPRO Befestigungstechnik AG is the development, manufacture and distribution of fastening technology products, particularly for the construction industry. The company offers a wide range of products, including custom-made solutions, and supports its customers through on-site support, delivery service and technical consulting.

Moser Montage GmbH

Since 1996 · 1–10 empl.

The core activity of Moser Montagen GmbH encompasses the planning, installation, and distribution of three main products: 1. Horse stalls and pasture huts: The company offers specialized solutions for horse keeping, including the construction of horse stalls and pasture huts. 2. Garage doors: Moser Montagen GmbH also provides the installation and distribution of garage doors to meet the demand for secure and practical garage solutions. 3. Wastewater treatment plants: Furthermore, the company offers solutions for wastewater treatment, including the planning and installation of wastewater treatment plants.

A-Plan GmbH

Since 1997 · 11–20 empl.

A-Plan GmbH carries out installation work on industrial plants and machinery, including installation, commissioning, maintenance and inspections. It also provides electrical and railway engineering services, and recruits and supplies qualified personnel for temporary assignments.

Angerlechner Feinmechanik

Since 2003 · 1–10 empl.

Angerlechner Feinmechanik manufactures precision metal parts and provides metalworking services to customer specifications. Services include CNC turning and milling for prototypes and series production.

AB Storenservice AG

Since 2004 · 1–10 empl.

The core activity of AB Storenservice AG is the manufacture, installation, maintenance and repair of awnings, blinds and all-weather systems, including security shutters, lamella shutters, roller lamella shutters, roller shutters, blinds, vertical shutters, sun shutters, light shaft covers, insect screens, conservatory shading, sun umbrellas and motors and controls for indoor and outdoor use.

LAM-IN BAU AG

Since 2004 · 1–10 empl.

The core activity of Lam-In Bau AG is the manufacture and distribution of components and systems for window and door fittings, particularly slat blinds, roller shutters, motors and insect protection systems, as well as the processing of aluminum sheets.