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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

HW Romandie SA Logo

HW Romandie SA 

Montreux · Since 2020

Technical Consulting & Engineering
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HWT Schwanden GmbH Logo

HWT Schwanden GmbH 

Schwanden Gl · Since 2009

The core activity of HWT Schwanden GmbH is the development, manufacture, trade, sale and distribution of systems and components in the field of flood protection and object protection, in particular the planning, implementation and marketing of mobile flood protection systems and flood object protection solutions.

Technical Consulting & Engineering
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Hybracing, Inh. Würth Logo

Hybracing, Inh. Würth 

Au Sg · Since 2022

The company Hybracing is primarily active in the field of sim racing. It offers sim racing rigs, operates a showroom where customers can test the products, and organizes events. In addition, the company provides coaching and rental of sim racing rigs.

Technical Consulting & EngineeringRetail - Machinery & Technical Equipment
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Hycon GmbH Logo

Hycon GmbH 

Steinmaur · Since 2016

The core activity of HYCON is to advise and support organizations in the field of humanitarian aid and development cooperation. The activities include: Consulting services in the areas of renewable energy, water and land management, gender equality, diversity and inclusion, as well as protection and accountability; Capacity development and training for employees of organizations; Conducting evaluations and analyses of projects and programs; Development of strategies and concepts for sustainable change; Support in the implementation of projects and programs in various countries. HYCON works closely with various organizations and institutions, including GIZ, OSCE, CARITAS, COOPI and AFD, and offers its services in various countries.

Technical Consulting & EngineeringCivil Engineering FirmsSolar & Photovoltaics
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Hydrelec GmbH Logo

Hydrelec GmbH 

Würenlingen · Since 2009

Hydrelec GmbH provides services in hydropower and renewable energy. Its core activities include consulting, project engineering and realization, as well as the planning, construction and refurbishment of hydropower plants.

Technical Consulting & EngineeringEnergy Suppliers
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Hydrique Ingénieurs HJ Sàrl Logo

Hydrique Ingénieurs HJ Sàrl 

Le Mont-Sur-Lausanne · Since 2007

The core activity of Hydrique Ingenieure is to provide services in the field of hydrology and hydraulics, particularly in the development of numerical models and simulations for water infrastructure and systems. The services include, among others: hydrological forecasts for floods, dams and urban systems; hydraulic modeling for coastal design, wave simulations, river restoration and hazard mapping; real-time information systems for water management; engineering for sediments, lakes and water construction; hydroelectric power forecasts, flood forecasts and wastewater tracking. The company thus offers solutions to technical and ecological challenges in the water sector.

Technical Consulting & Engineering
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Hydrobat Sàrl Logo

Hydrobat Sàrl 

Crissier · Since 1996

The company Hydrobat Sàrl provides consulting services in the field of building technology, particularly in Switzerland and France. The core activity of the company includes providing technical consulting and solutions for the building industry, including the marketing and distribution of products such as Victaulic, Link-Seal and Foraduc.

Technical Consulting & Engineering
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Hydroexperts GmbH Logo

Hydroexperts GmbH 

Basel · Since 2023

Hydroexperts GmbH provides technical assessments for drinking water suppliers and advises on reservoirs, pumping stations, water hammer and network optimisation.

Technical Consulting & EngineeringWater Supply
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Hydro Engineering GmbH Logo

Hydro Engineering GmbH 

Andelfingen · Since 2007

The core activity of Hydro Engineering GmbH is the planning, construction and operation of hydroelectric power plants, fish migration aids, irrigation systems and flood protection measures. The company offers comprehensive services, from the initial idea to commissioning, and often works in small project teams with specialists.

Technical Consulting & Engineering
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Hydro-Géo Environnement Sàrl Logo

Hydro-Géo Environnement Sàrl 

Petit-Lancy · Since 2016

The company Hydro-Geo Environnement primarily focuses on services in the field of geosciences, particularly in the following core activities: hydrogeology, geothermal energy (both shallow, medium and deep), environmental and contaminated site consulting, geotechnics, geology-geophysics, natural hazards, and 2D/3D modeling. These activities include, among others, the investigation and evaluation of groundwater resources, the exploration and utilization of geothermal energy, the remediation of contaminated sites, consulting on geotechnical projects, as well as the exploration and evaluation of natural hazards.

Technical Consulting & Engineering
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HydroGeoModels AG Logo

HydroGeoModels AG 

Seuzach · Since 2017

The core activity of HydroGeoModels AG is to solve environmental and engineering problems related to the management and protection of water resources (surface water and groundwater) as well as protection against natural hazards (floods, rockfall). This includes services such as sustainable management of water resources, geothermal energy, hydraulics of groundwater and surface water, management of contaminated groundwater, final storage of radioactive waste, geotechnics and rock mechanics, as well as geostatistical data analysis and software development.

Technical Consulting & Engineering
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Hydrolina Sàrl Logo

Hydrolina Sàrl 

Berlens · Since 2011

The core activities of Hydrolina include the areas of geotechnics, hydrogeology, environment, irrigation, and water management in agriculture. In particular, the company focuses on optimizing water use in agriculture, irrigation, and the exploration of water resources. Hydrolina offers services such as consulting, planning, and implementation of projects in the fields of water management, geosciences, and environmental protection.

Technical Consulting & Engineering
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Hydro Operation International SA Logo

Hydro Operation International SA 

Lausanne · Since 2014

The company's core activity is the transformation of hydroelectric energy in Africa by providing services in the areas of: Operation and Maintenance (E&M) of hydroelectric plants, Project Management, Asset Management, Rehabilitation of power plants, Specialized Engineering Services, and Training and Knowledge Transfer. The company focuses on long-term maintenance and operation of hydroelectric plants in Africa to ensure a reliable and sustainable energy supply.

Technical Consulting & EngineeringEnergy Industry
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Hydroser GmbH Logo

Hydroser GmbH 

Zofingen · Since 2005

The core activity of HydroSer GmbH is hydrometry and meteorology.

Technical Consulting & EngineeringTesting & Inspection Centers
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HydroSol Sàrl Logo

HydroSol Sàrl 

Bulle · Since 2005

The core activities of HydroSol Sàrl encompass the following areas: Hydrogeology (investigation of water behavior in the subsurface), Applied Geology, Remediation of contaminated sites, Geothermal energy (utilization of earth heat), Geophysics (exploration of the earth using physical methods), and Hydrology (investigation of the water cycle). The company offers services such as studies, projects, consulting, expert opinions, and measurements in these areas.

Technical Consulting & Engineering
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HydTech GmbH Logo

HydTech GmbH 

Holziken · Since 2010

The core activity of HydTech GmbH is the measurement, evaluation and publication of data, likely in the field of water management or hydrology.

Technical Consulting & Engineering
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IALAG AG Logo

IALAG AG 

Bubendorf · Since 1959

The IALAG AG company is a specialist in industrial plant construction and offers solutions in the areas of tank systems, filtration technology, industrial plant technology, water protection technology and service. The core activities include planning, delivery, assembly, commissioning and maintenance of plants and systems for the storage, handling and monitoring of liquids, in particular fuels and other chemical substances. This also includes the development and distribution of special components such as filters, valves, sensors and protection systems.

Technical Consulting & Engineering
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IAMIC Sagl Logo

IAMIC Sagl 

Lugano · Since 2013

The core activity of Iamic Chemicals is the development, manufacture and installation of plants and solutions for the electroplating, jewelry and precious metal industries, particularly in the areas of refining, processing and treatment of precious metals as well as water treatment and disposal. The company also offers consulting and engineering services tailored to the specific needs of its customers.

Technical Consulting & Engineering
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IAV Engineering Sàrl Logo

IAV Engineering Sàrl 

Mies · Since 1998

IAV Engineering Sàrl is an engineering company specializing in acoustics, vibration and signal processing, providing applied research, measurement and diagnostic services and the development of sensor-based products and technological transfers.

Technical Consulting & Engineering
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IBASS Schweiz AG Logo

IBASS Schweiz AG 

Küssnacht Am Rigi · Since 2011

The core activity of ibass is the development and manufacture of specialized machines and systems, in particular robots, as well as the provision of engineering services, including contract work, on-demand development, testing and maintenance of modular systems and individual machines.

Rental of Machinery & EquipmentTechnical Consulting & EngineeringMechanical Engineering Industry
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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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