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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

Anna Carlevaro, Benthos Logo

Anna Carlevaro, Benthos 

Zurich · Since 2018

The core activity of Benthos is consulting and conducting aquatic ecological investigations and services, particularly in the fields of bioindication and species conservation, water assessment, environmental compatibility and GIS/data processing, with the aim of promoting environmental protection and sustainable aquatic ecology.

Technical Consulting & EngineeringSustainability Sector
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An-Tec Antille Daniel Logo

An-Tec Antille Daniel 

Sierre · Since 2004

The core activity of An-Tec is the planning and implementation of architectural lighting and ambient lighting, as well as the rental of lighting, sound and video technology.

Technical Consulting & Engineering
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ANTEC SA Logo

ANTEC SA 

Bioggio · Since 1991

The core activity of Antec SA is the design and commercialization of specialized machines for industrial production and control, particularly in the field of metal processing and control. The activities include the development and manufacture of machines for various processes such as deburring, threading, spiral control, lapping, grinding and straightening. In addition, the company also offers services such as specific designs, machine reproduction, process automation and analysis and reproduction of components.

Technical Consulting & EngineeringMechanical Engineering Industry
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Antrova AG Logo

Antrova AG 

Stein Am Rhein · Since 2002

The core activity of Antrova AG is the development and provision of technical services and products in the field of mechanical engineering, particularly in the areas of engine technology, energy technology and general mechanical engineering. The company offers specialized services such as technical consulting, calculations, contract development and the rental of experts. An important part of the activities is the development and deployment of innovative technologies such as the Comprex™ pressure wave charger, which is used in various industries such as engine technology and energy technology.

Technical Consulting & Engineering
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AnuTec GmbH Logo

AnuTec GmbH 

Düdingen · Since 2003

The core activity of Anutec GmbH is the manufacture of machines for mechanical process engineering, particularly for sieving, mixing and grinding of bulk materials in the food, chemical and pharmaceutical industries.

Technical Consulting & EngineeringMechanical Engineering Industry
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Anutsati AG Logo

Anutsati AG 

Schlatt Tg · Since 2019

The core activity of ANUTSATI AG is the development and design of mining technology components as well as the provision of mining-related services and project consulting.

Technical Consulting & Engineering
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ANZEN ENGINEERING SWITZERLAND GMBH Logo

ANZEN ENGINEERING SWITZERLAND GMBH 

Lucerne · Since 2022

The core activity of Anzen Aerospace Engineering SL is to provide services in the field of safety and reliability for the aerospace industry, including the development of electric vertical take-off and landing aircraft (eVTOL), unmanned aerial systems (UAS), defense systems and space projects. The services include, among others, product certification, safety analyses, reliability assessments, cybersecurity and the development of digital tools for modeling and simulating systems.

Technical Consulting & Engineering
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A&O Elektro AG Logo

A&O Elektro AG 

Glattbrugg · Since 2016

Technical Consulting & EngineeringIT Consulting & ServicesTelecommunications
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AOTech Sàrl Logo

AOTech Sàrl 

Bulle · Since 2019

The core activity of AOTech Sàrl is the planning, implementation and monitoring of projects in the field of electrical engineering, particularly in the areas of: lightning protection, surge protection, building automation and solar energy. The company also offers services such as the creation of technical specifications, conducting studies and programming systems.

Technical Consulting & EngineeringElectrical Planning & Installation
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APC Angewandte Physik Consulting AG Logo

APC Angewandte Physik Consulting AG 

Baar · Since 2010

The core activity of APC (Angewandte Physik Consulting AG) is the provision of services in the field of engineering consulting and engineering, particularly in the following main areas: Safety and environmental protection technology, Financial evaluation of projects, Nuclear technology, Research and development, and Professional training. The company offers independent consulting and engineering services without selling its own products or being dependent on manufacturers and suppliers. The goal is to find the best solution for customers, taking into account technical, financial, and environmental aspects.

Technical Consulting & Engineering
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Apis Rex Sàrl Logo

Apis Rex Sàrl 

Nyon · Since 2017

Apis Rex is a consulting firm specializing in the nonwoven and personal care industries. The company's core activity is providing consulting services in the areas of strategy, marketing, sales, business development, mergers and acquisitions (M&A), project management, and operational excellence. The company offers its clients tailored solutions to achieve their business goals and has a network of experts with extensive experience in the nonwoven and personal care industries.

Management ConsultingTechnical Consulting & Engineering
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API Technics AG Logo

API Technics AG 

Rotkreuz · Since 2024

The core activity of API Technics AG is the provision of engineering services, particularly in the fields of mechanical and plant engineering as well as special vehicle construction. This includes, among other things: design and concept development, strength analysis and design, prototype construction and rapid prototyping, retrofitting and modernization of machines and plants, as well as research and development of new technologies and solutions. The company offers its customers individually tailored solutions and comprehensive support in various industries and sectors, including mechanical engineering, plant engineering, special vehicle construction, and more.

Technical Consulting & Engineering
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APL DATA CENTER Suisse SA Logo

APL DATA CENTER Suisse SA 

Lausanne · Since 2020

APL DATA CENTER Suisse SA is a consulting and engineering firm focused on the design, construction, renovation and operation of data centers. Its services include audits and advisory, project management (AMOA/MOE), turnkey delivery, operations and maintenance, cloud and hybrid architecture consulting, and sustainable IT services.

Technical Consulting & EngineeringIT Infrastructure & Cloud
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APR Automation AG Logo

APR Automation AG 

Roggliswil · Since 2022

The core activity of APR Automation is industrial automation technology, particularly in the areas of electrical engineering and control technology, programming and control cabinet construction, service, maintenance and warranty work at the SPS level, repair of components in industrial automation, and planning and implementation of automation projects. The company thus offers comprehensive services for the automation of industrial processes and systems.

Technical Consulting & Engineering
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A-P-S AquaProcessService GmbH Logo

A-P-S AquaProcessService GmbH 

Dürrenäsch · Since 2008

The core activity of A-P-S AquaProcessService GmbH is the maintenance, servicing and analysis of steam boiler, cooling, air humidification and district heating systems, including sampling for legionella measurement on sanitary and cooling systems in cooperation with a Swiss-approved laboratory.

Technical Consulting & EngineeringWholesale - Chemical & Plastic Products
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APS Technik GmbH Logo

APS Technik GmbH 

Oberkulm · Since 2022

The core activity of APS Technik GmbH is the development and implementation of individual solutions for application process control technology, particularly in the areas of industrial processes, heat treatment, water treatment, and ground freezing. The company offers services such as design and manufacture of controls, creation of electrical schematics, planning and implementation of solutions, as well as remote monitoring and maintenance of plants.

Technical Consulting & Engineering
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Aptio Group Switzerland AG Logo

Aptio Group Switzerland AG 

Baar · Since 2023

The core activity of Aptio Group Switzerland AG is to provide consulting services to the pharmaceutical industry, including: Quality and Compliance Services, Pharmaceutical Engineering Services, Biotechnology and Medical Device Industry Services, and Project Management. The company offers these services as specialized consulting for customers in the pharmaceutical, biotechnology and medical device industries.

Technical Consulting & Engineering
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Aptus Systems GmbH Logo

Aptus Systems GmbH 

Grüt (Gossau Zh) · Since 2005

The core activity of Aptus Systems GmbH is the development, manufacture and sale of products in the field of blasting technology.

Security ServicesTechnical Consulting & EngineeringMechanical Engineering Industry
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AQTec AG Logo

AQTec AG 

St. Gallen · Since 2014

AQTec AG provides practice-oriented consulting and support in production and quality optimization, business management, and personnel development and training.

Management ConsultingTechnical Consulting & Engineering
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AQ Pi Sàrl Logo

AQ Pi Sàrl 

Montreux · Since 2017

The core activity of the company "Assurance Qualité Protection incendie" (AQPi) is to advise and support customers in planning and implementing fire protection concepts and solutions, particularly with regard to compliance with the standards of the "Association des Experts en Assurance Incendie" (AEAI). This also includes audits of buildings, the creation of fire protection plans and the accompaniment of customers in the implementation of security measures.

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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