Renovation in
St. Gallen
74 companies in Renovation based in St. Gallen — name and year of registration from the commercial register.
50 of 74 companies
GFT Fassaden AG
Since 2007 · 21–50 empl.4.4(11)
The company's core activity is the planning, design, calculation and coordination of facades for buildings, including the delivery and installation of facade claddings such as terracotta, glass, clinker, glass fiber concrete, natural stone and photovoltaic panels. The company also offers substructure systems for the attachment of facade claddings and is involved in the design of wall claddings and art installations made of cast ceramics.
Bärlocher Bau AG
Since 2012 · 21–50 empl.4.6(11)
Bärlocher Bau AG is a construction company focused on building projects, including new-builds and conversions. Its services include new construction, conversions, client construction services, exterior thermal insulation, façade work and renovations.
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.
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.
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.
Renespa AG
Since 1998 · 1–10 empl.
Renespa AG specialises in building renovations and new construction projects for institutional clients. Its services include property analyses, project development and planning, and project delivery as a general or total contractor.
BELFOR (Suisse) AG
Since 2015 · 21–50 empl.
BELFOR (Suisse) AG provides damage prevention, remediation and restoration services for buildings and infrastructure. Its services include fire, water and storm damage remediation, environmental services and industrial maintenance.
Krämer Bau AG St.Gallen
Since 2005 · 21–50 empl.
Krämer Bau AG St.Gallen is a construction company. The website is currently under construction and does not provide further information about services or activities.
symbio ag
Since 2008 · 1–10 empl.3.7(3)
symbio ag provides building services and office support. Its services include property maintenance, comprehensive cleaning, centre management, winter services and grounds maintenance, as well as assistance with day-to-day office tasks.
Team-One Bau AG
Since 2008 · 1–10 empl.3.5(4)
The core activity of Team-One Bau AG is the execution of renovation and refurbishment projects in the field of residential buildings, particularly in the St. Gallen region. The services include planning, coordination and execution of projects, including the installation of windows, kitchens, bathrooms and the performance of technical maintenance. The company also offers comprehensive solutions for the renovation of properties, from consulting to complete implementation.
Sutter AG Holzbau St. Gallen
Since 1975 · 11–20 empl.5.0(1)
Sutter AG Holzbau St. Gallen is a timber construction and carpentry business that advises on, plans, produces and assembles building projects. Its work includes new builds, renovations, extensions and joinery.
Rhomberg Bau AG
Since 2005 · 500+ empl.2.6(13)
Rhomberg Bau AG is a construction company that plans and carries out building and civil engineering projects and acts as a general and total contractor. Its activities also include refurbishment, timber and system construction, property development, building materials and recycling, and property management.
Renowate GmbH, Lindau, Zweigniederlassung Schweiz, St. Gallen
Since 2024 · 1–10 empl.
Renowate GmbH, Lindau, Zweigniederlassung Schweiz, St. Gallen is a company active in building renovation that delivers serial energetic refurbishments using prefabricated modules and digitalized processes. Its services include condition surveys, integrated planning and turnkey installation of façade and building-services modules for residential property owners.
Campi AG
Since 1991 · 1–10 empl.5.0(3)
The core activity of Campi AG is the execution of demanding conversions, renovations, customer work and smaller new buildings in the field of civil engineering and construction.
imora Immobilien Services AG
Since 1998 · 21–50 empl.5.0(1)
The core activity of imora is the provision of comprehensive services for real estate, including: property maintenance (e.g. cleaning, minor repairs), renovation (e.g. flooring, walls, kitchen, bathroom), painting, cleaning, repair service, garden maintenance, winter service, clearing and rental. The company thus offers a comprehensive service for real estate that covers all aspects of property care and management.
EcoSwiss ImmoBau GmbH
Since 2025 · 1–10 empl.5.0(1)
EcoSwiss ImmoBau GmbH provides painting, plastering, tiling, cleaning and moving services, as well as architecture and construction management. Its services also cover heating, ventilation, plumbing and metalwork.
AI Swiss Group klg
Since 2026 · 1–10 empl.
AI Swiss Group klg develops and distributes software, websites and applications. The company also provides services in web development, mobile apps, Telegram solutions, AI integration and process automation.
Weishaupt Montagen
Since 2008 · 1–10 empl.
The core activity of the company 'Der Fenstermann' is the manufacture, installation and maintenance of windows as well as the provision of carpentry services in the field of windows and window shutters.
Schläpfer Sanitär Service
Since 2017 · 1–10 empl.
The core activity of Schläpfer Sanitär Service is the provision of services in the field of building technology, particularly in sanitary installation, bathroom renovation and maintenance of building technology systems.
GRAFIDEE GmbH
Since 2019 · 1–10 empl.
The core activity of grafidee GmbH is the provision of services in the field of industrial and interior design, particularly for customers in the pharmaceutical and outdoor design sectors, as well as the implementation of renovation projects, specifically for pharmacies.
Weishaupt Storenservice GmbH
Since 2022 · 1–10 empl.
The core activity of Weishaupt Storenservice GmbH is the distribution, installation and repair of all types of shading systems, particularly roller shutters and awnings.
VRA Haustechnik GmbH
Since 2025 · 1–10 empl.
VRA Haustechnik GmbH provides services for heating systems, heat pumps, and air conditioning systems. The company handles installation, repairs, maintenance, and a 24/7 emergency service for heating and building services equipment.
Handwerk im Detail GmbH
Since 2025 · 1–10 empl.
Handwerk im Detail GmbH is a plastering company that provides interior and exterior plastering, drywall construction, facade finishing, and stucco and decorative work. The company also carries out special projects such as renovations and solutions for fire protection, sound insulation, and acoustics.
Atobi GmbH
Since 2025 · 1–10 empl.
Atobi GmbH provides store fitting, merchandising, and rollout installation services. The company carries out on-site assembly and coordinates projects across multiple locations throughout Switzerland.
Shala Reinigung Hauswartung GmbH
Since 2026 · 1–10 empl.
Shala Reinigung Hauswartung GmbH provides services in cleaning, property maintenance, and renovation. Its range includes routine cleaning, office and building cleaning, window cleaning, garden maintenance, snow removal, and minor demolition and renovation work.
Nedi Gajic Umbauten
Since 2015 · 1–10 empl.
The core activity of Nedi GmbH is carpentry, particularly in interior finishing, including the manufacture and installation of furniture, doors, windows and kitchens. The company offers tailored solutions for individual needs and carries out conversions and renovations in living spaces.
Replag Renovations- & Planungs-AG
Since 1978 · 1–10 empl.
Allrounder Bau und Garten Bosshart
Since 1996 · 1–10 empl.
Libertatem GmbH
Since 2001 · 1–10 empl.
ISB AG
Since 2004 · 1–10 empl.
Josef Bodenbeläge GmbH
Since 2005 · 1–10 empl.
Park Vision AG
Since 2007 · 1–10 empl.
SK Immoservice Schmid
Since 2007 · 1–10 empl.
Lanfranconi & Partner Projektmanagement GmbH
Since 2008 · 1–10 empl.
Spemag GmbH
Since 2008 · 1–10 empl.
Sarisin Management
Since 2010 · 1–10 empl.
Schlüchter Hauswartungen
Since 2011 · 1–10 empl.
Montec GmbH
Since 2013 · 1–10 empl.
Frank Birke
Since 2014 · 1–10 empl.
Immhaus GmbH
Since 2016 · 1–10 empl.
Speztec AG, Zweigniederlassung St. Gallen
Since 2017 · 1–10 empl.
KOBAGO AG
Since 2018 · 1–10 empl.
Suter Zotti Schadstoffsanierung AG, Zweigniederlassung St.Gallen
Since 2019 · 1–10 empl.
Baumann Elektrokontrollen GmbH
Since 2019 · 1–10 empl.
CleverMove GmbH
Since 2019 · 1–10 empl.
Dusch Tec GmbH
Since 2020 · 1–10 empl.
Lindair GmbH
Since 2021 · 1–10 empl.
Kreis Wasserbau AG
Since 2021 · 1–10 empl.
Qualis Opus GmbH
Since 2021 · 1–10 empl.
Renovation in St. Gallen
Renovation in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of November 6, 2026
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