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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,173 companies indexed · Last updated: today
DirectoryTechnical Consulting & Engineering

Technical Consulting & Engineering

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10'496 companies found

art light GmbH Logo

art light GmbH 

St. Gallen · Since 1997

The core activity of art light gmbh is planning and consulting in the field of daylight and artificial light.

Technical Consulting & Engineering
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Artonext Sagl Logo

Artonext Sagl 

Losone · Since 2024

Artonext Sagl is an engineering and consulting firm focused on the design, simulation and digitalisation of district heating networks. Services include strategic consulting, operational optimisation, network simulations and delivery of QGIS projects and open-source GIS deliverables.

Technical Consulting & Engineering
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ARW Ingenieur- und Beratungsbüro GmbH Logo

ARW Ingenieur- und Beratungsbüro GmbH 

Chur · Since 2011

The core activity of ARW Ingenieur- und Beratungsbüro is consulting, conception, planning, process and measurement technology in the field of hydropower and environment.

Technical Consulting & Engineering
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Arzethauser & Partner GmbH Logo

Arzethauser & Partner GmbH 

Steinhausen · Since 1999

The core activity of Arzethauser & Partner GmbH is the planning, development and implementation of integral building technology, including energy and building technology concepts, component development, consulting and overall optimization of buildings, with a focus on energy efficiency, quality of life, resources and cost awareness.

Technical Consulting & Engineering
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Asal Blowerdoor Logo

Asal Blowerdoor 

Oeschgen · Since 2024

The company Asal Blowerdoor offers services in the field of Blower-Door tests, which are used to measure the airtightness of buildings. The core activity of the company is to provide services in the field of building analysis and optimization, particularly with regard to energy efficiency and airtightness of buildings.

Technical Consulting & Engineering
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asb-automation GmbH Logo

asb-automation GmbH 

Zeiningen · Since 2022

The core activity of asb-automation GmbH is process automation, particularly in the conception and implementation of Safety-Integrated-Systems (SIS) and the automation of processes in the chemical industry.

Technical Consulting & Engineering
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Ascon Umwelttechnik GmbH Logo

Ascon Umwelttechnik GmbH 

Mellingen · Since 2006

The core activity of Ascon Umwelttechnik is the development, manufacture and distribution of water treatment systems, particularly decalcification systems, lime protection systems, fine filters and activated carbon filters, to provide clean water for private households, single-family homes and the catering industry.

Technical Consulting & EngineeringMechanical Engineering IndustryWholesale - Machinery & Technical Equipment
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ASETIS Energie Sàrl Logo

ASETIS Energie Sàrl 

Cudrefin · Since 2011

ASETIS Energie Sàrl designs and installs turnkey photovoltaic systems including battery storage and electric vehicle integration. The company also distributes Valentin Software simulation products (PV*SOL, PV*SOL premium, T*SOL, GeoT*SOL), provides training and technical support, and offers project development and operational monitoring services.

Technical Consulting & Engineering
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Asgalium Unitec S.A. Logo

Asgalium Unitec S.A. 

Cortaillod · Since 1987

The core activity of Asgalium Unitec SA is to provide high-quality consulting and support services in the high-tech fields of electronics, detector technology, signal processing and solar energy.

Technical Consulting & Engineering
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ASGS-GG / Arbeitssicherheit & Gesundheitsschutz G. Glanzmann Logo

ASGS-GG / Arbeitssicherheit & Gesundheitsschutz G. Glanzmann 

Dottikon · Since 2018

The core activity of ASGS-GG is to advise and support companies in implementing occupational safety and health protection, particularly in fulfilling legal requirements in accordance with EKAS guidelines 6508. This includes hazard identification, measure planning, emergency organization, health protection and leisure safety.

Technical Consulting & Engineering
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ASI - ACTIVE SERVICES INTERNATIONAL GMBH Logo

ASI - ACTIVE SERVICES INTERNATIONAL GMBH 

Wangen B. Dübendorf · Since 2011

The core activity of ASI-Textile Machinery is the planning and implementation of production lines for hygiene products, particularly for the manufacture of cotton swabs, tampons and other nonwoven products. To this end, the company offers consulting and services and works with various manufacturers of textile machinery and production lines.

Technical Consulting & Engineering
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ASIRON GmbH Logo

ASIRON GmbH 

Rüfenach Ag · Since 2014

The core activity of ASIRON GmbH is the provision of services in the field of product development and approval, particularly in the areas of: Compliance Consulting: advising on compliance with regulations and standards, Technical Documentation: creation of technical documents for obtaining CE marking, Product Approval: supporting the approval of products, Project Office Management: project support and management, and Engineering Services: engineering services, quality management and regulatory affairs. The company supports customers in the development and approval of products to enable efficient market access.

Technical Consulting & Engineering
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ASKED GmbH Logo

ASKED GmbH 

Pratteln · Since 2016

ASKED GmbH is an independent inspection body for electrical safety that provides inspection, testing and advisory services. Its offerings include electrical inspections (including PV systems and e‑mobility charging stations), equipment testing, development of safety concepts and training/instruction in occupational electrical safety.

Technical Consulting & Engineering
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ASKED GmbH Logo

ASKED GmbH 

Liestal · Since 2015

ASKED GmbH is an independent inspection body providing inspections, testing, consultancy and training in electrical engineering. Services include electrical inspections (periodic, acceptance and final), equipment testing, PV-system and e‑mobility charging-station checks, and the development of electrical safety concepts and training programs.

Technical Consulting & Engineering
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ASM FISCHER Logo

ASM FISCHER 

Egliswil · Since 2022

The core activity of ASM FISCHER is consulting and supporting customers in the areas of occupational safety, health protection and fire protection. The company offers services such as safety audits, risk assessments, training and courses to support companies in implementing occupational safety and health protection systems. The focus is on developing practical and tailored solutions for customers.

Technical Consulting & Engineering
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asomatic ag Logo

asomatic ag 

Hochdorf · Since 2021

The core activity of aso matic ag is the development and implementation of automation solutions for manufacturing industrial companies, particularly in the field of machine control and their integration into the digital world of industrial production chains. This also includes electrical engineering, control cabinet construction and drive technology.

Technical Consulting & Engineering
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asomatic building ag Logo

asomatic building ag 

Hochdorf · Since 1983

asomatic building ag is an independent service company providing automation solutions for manufacturing firms, carrying out engineering, control-system construction and commissioning in-house. The company develops proprietary products (for example asocontrol current-measurement devices and the aso control MMS machine-monitoring system), offers process data acquisition and visualization, and operates as a system integrator with partners such as Bosch Rexroth and Siemens.

Technical Consulting & Engineering
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Aspecto GmbH Logo

Aspecto GmbH 

Dättwil Ag · Since 2000

The core activity of Aspecto GmbH is the provision of services in the field of medium and high voltage technology, particularly in the areas of: * Commissioning of electrical systems * Installation and monitoring of electrical systems * Engineering services for electrical systems * Network and cybersecurity services * Microgrid services * Rental of high-voltage systems (HVDC, FACTS, STATCOM) The company offers these services to various industries, including: * Offshore wind farms * Onshore wind farms * Solar energy * Hydroelectric power plants * Power plants * Mining * Railways and traction * Data centers * Power transmission and distribution The company is headquartered in Baden, Switzerland, and has a subsidiary in Calgary, Canada.

Technical Consulting & Engineering
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ASPES Ingenieurunternehmung AG Logo

ASPES Ingenieurunternehmung AG 

Olten · Since 1989

The core activity of ASPES AG is engineering services in specialized areas, particularly: * Type certification of light aircraft and rail vehicles * Noise measurement and reduction for light aircraft * Energy storage * Fiber-reinforced plastics The company provides consulting services in these areas.

Technical Consulting & Engineering
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as projekt gmbh Logo

as projekt gmbh 

Rapperswil Be · Since 2018

The core activity of as projekt gmbh is in the field of real estate, particularly in project and contract management, data and information collection, as well as strategic planning of maintenance and repairs. The company offers comprehensive services with a focus on construction and technical topics, including electrical engineering and building management.

Technical Consulting & Engineering
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Frequently asked questions

Searching the directory

How the search works, what each filter means, and how the results come together.

What can I search for in the directory?
The search field matches company names, industries and places. Beyond that you can filter by Industry (18 categories based on the NOGA classification), Size (number of employees), Region (canton, language region or postal code) and Special (keywords and entry date). Filters combine freely; the active ones appear as chips below the filter bar and can be removed there individually.
How do keywords work?
Keywords search the description and stated purpose of each company — the text that goes beyond the company name. Multiple keywords are combined with OR: every additional keyword widens the set of matches rather than narrowing it.
What belongs in the postal code field?
A single postal code (e.g. 8000) or a range (e.g. 1000-1010). The field accepts postal codes only — for place names, use Canton or Language region.
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How is organisation size determined?
Size reflects the number of employees and is calculated from publicly available information by a model developed in-house. It is a best-possible estimate, not an official figure.
What does the Verified label mean?
Verified means the entry is tied to a UID (Swiss business identification number) and therefore links back to the official Swiss business register. The label speaks to the company's identity — it is not a rating of its performance.

Source: Federal Statistical Office, UID register

How do I sort the results?
Use the dropdown above the list: Relevance, Name (A–Z), Best rating, Most reviews or Longest established. You can also switch between list and map view and set how many results appear per page.
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