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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,877 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringSionSigma Ingénierie et Maintenance SA
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Sigma Ingénierie et Maintenance SA

Summary

About the company

The core activity of Sigma Ingénierie & Maintenance SA consists of two main areas: 1. **Engineering**: The company provides engineering services, particularly in the fields of: * Design and planning of technical installations in buildings (heating, air conditioning, ventilation, plumbing, water treatment) * Development of energy concepts (heat, electricity, cold) including solar and geothermal systems 2. **Maintenance**: The company provides maintenance and repair services, particularly in the fields of: * Remote monitoring and control of technical installations * Preventive and corrective maintenance of technical installations in buildings and large power plants The company thus offers a combination of engineering services and maintenance and repair services to plan, install and maintain technical installations in buildings and industrial facilities.

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Products & services

Industry:Technical Consulting & Engineering
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Engineering of building services installations
Mechanical engineering services for the design of heating, cooling, ventilation, air-conditioning, sanitary and water-treatment installations, as well as associated energy concepts.
Energy concepts and optimisation of energy efficiency
Tailored advice for heat, electricity and cooling needs, using renewable energies, meeting the Minergie standard and selecting high-performance materials and glazing.
Maintenance of building services installations
Corrective and preventive maintenance, management and monitoring of building contracts, automation during the operating phase, energy optimisation and an intervention service 7 days a week.
Telemanagement and remote supervision
Constant monitoring of installations, real-time tracking, detection and repair of faults remotely, annual consumption reports and improvement suggestions.
Technical facility management
Comprehensive management of technical building installations and operating contracts, with a single point of contact for the sanitary systems, heating, ventilation and heat pumps.

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Location

Avenue de la Gare 19
1950 Sion

At a glance

Legal form
Corporation
UID
CHE-106.043.936
Founded
1989 · 37 years
Last commercial register change
January 23, 2025
Employees
1 to 10

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