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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

Niederer Schneider AG Logo

Niederer Schneider AG 

Frauenfeld · Since 2005

The core activity of Niederer Schneider AG is the development, manufacture and distribution of chemical and mineral specialty products, particularly for filtration, beverage treatment, water treatment and other industrial applications. The company offers a wide range of products, including activated carbon, ion exchangers, flocculation and coagulation aids, measurement and control technology, as well as specific raw materials.

Technical Consulting & EngineeringWholesale - Chemical & Plastic Products
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Nixdorf - Project GmbH, Murg, Zweigniederlassung Böttstein Logo

Nixdorf - Project GmbH, Murg, Zweigniederlassung Böttstein 

Böttstein · Since 2015

The company's core activity is the planning, development and implementation of technical projects in the field of mechanical engineering and energy technology, particularly in nuclear power plants. The company provides engineering services, project management and technical consulting for the planning, design and installation of piping systems, mechanical components and steel structures.

Technical Consulting & Engineering
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Norfolk Elektronik AG Logo

Norfolk Elektronik AG 

Eschenbach Lu · Since 2004

The core activity of Norfolk Elektronik AG is the development of hardware and software for customers, as well as the organization and accompaniment of production and the lifecycle of the developed products.

Research & DevelopmentTechnical Consulting & EngineeringManufacture of IT Hardware
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OC Engineers GmbH Logo

OC Engineers GmbH 

Morissen · Since 2018

The core activity of OC Engineers (now novaziun AG) is the development and design of electrical drive systems and components for the automotive and mechanical engineering industries, particularly in the field of electromobility. This includes the disciplines of mechanics, hydraulics, pneumatics and vehicle electronics. The company provides engineering services to support customers in the development and implementation of projects in the field of electromobility.

Technical Consulting & Engineering
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Ocresa GmbH Logo

Ocresa GmbH 

Ennetbaden · Since 2021

The core activity of ocresa GmbH is the provision of services in the areas of automation, engineering, MSRL (Machine Safety, Risk and Liability) and IoT (Internet of Things). Specifically, this includes the areas of: Automation: automation of processes and systems, Engineering: development and planning of technical solutions, Integration: integration of systems and components, Optimization: optimization of processes and systems, Database: development and operation of databases, IoT: development and implementation of IoT solutions, Proof of Concept: creation of prototypes and feasibility studies. The company positions itself as a partner for companies that require innovative and efficient solutions in these areas.

Technical Consulting & Engineering
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Octawatt Sàrl Logo

Octawatt Sàrl 

Vevey · Since 2020

The core activity of Octawatt sàrl is to provide technical services in the field of construction, particularly in the areas of: * Design and planning of heating, ventilation and air conditioning systems (CVC) * Thermography and thermal performance balancing of buildings * Monitoring and improvement of indoor air quality * Renovation and refurbishment of buildings with consideration of energy efficiency and environmental protection (CECB and CECB Plus) The company offers these services as a specialist in technical building equipment and has qualified personnel, including engineers, architects and technicians.

Technical Consulting & EngineeringCivil Engineering Firms
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Oil Link AG Logo

Oil Link AG 

Mels · Since 2011

The core activity of Oil Link AG is the remote monitoring and measurement of tank fill levels, particularly for fuel and heating oil tanks. The company offers a web-based solution that enables the monitoring and measurement of tank fill levels, thereby providing a service for the monitoring and management of tank facilities.

Technical Consulting & Engineering
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oneservice AG Logo

oneservice AG 

Feusisberg · Since 2017

The company provides services in the field of laboratory management and support, including managed services, validation and calibration of laboratory equipment, IT services, asset management, and application support. Additionally, it offers training, consulting, and outsourcing services to support customers in implementing service excellence. The company's core activity is to provide comprehensive services to laboratories and companies to improve their efficiency and quality.

Repair of Machinery & Electronic DevicesTechnical Consulting & Engineering
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OnTecGroup AG Logo

OnTecGroup AG 

Malters · Since 2017

The core activity of OnTecGroup AG is the planning, installation and maintenance of electrical systems, building automation and multimedia systems for private individuals, schools and companies. This also includes consulting, project planning, implementation and commissioning of systems, as well as service and maintenance after commissioning.

Technical Consulting & EngineeringElectrical Planning & Installation
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Oppletis Sàrl Logo

Oppletis Sàrl 

St-Maurice · Since 2015

The core activity of Oppletis is the design, repair and maintenance of automated machines and systems, particularly in the field of packaging and filling technology, as well as the development and implementation of solutions for industrial automation and mechanical engineering. This also includes services such as programming of controls, design and manufacturing of mechanical and electrical components, as well as the execution of maintenance and repair work.

Repair of Machinery & Electronic DevicesTechnical Consulting & EngineeringMechanical Engineering Industry
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Oppliger Arbeitssicherheit Logo

Oppliger Arbeitssicherheit 

Vordemwald · Since 2023

The core activity of OPPAS (Oppliger Arbeitssicherheit) is to advise and support companies in the implementation of occupational safety and health protection measures, particularly in fulfilling legal requirements and assessing hazards. This also includes inspections of work equipment, taking on mandates in the areas of ASA involvement, hazardous materials, radiation protection and chemicals, as well as advising on the implementation of guidelines such as the EKAS Guideline 6508.

Technical Consulting & EngineeringTesting & Inspection Centers
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Optische Messtechnik Stein GmbH Logo

Optische Messtechnik Stein GmbH 

Hunzenschwil · Since 2000

The core activity of Optische Messtechnik Stein GmbH is the development, distribution and application of measurement technology solutions, particularly in the field of 3D coordinate measurement technology, multisensor measurement technology and optical measurement technology. The company offers measurement services such as contract measurements, and distributes measurement devices, sensors and clamping systems. It supports customers in solving measurement tasks in length measurement technology, from simple mass testing to extensive first-article inspection reports or daily series inspections.

Technical Consulting & EngineeringTesting & Inspection Centers
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Ost Energie GmbH Logo

Ost Energie GmbH 

Abtwil Sg · Since 2019

The core activity of Ost Energie GmbH is the optimization and efficiency enhancement of buildings and their technical systems, particularly in the area of energy efficiency. This includes planning, consulting and implementing measures to reduce energy costs and emissions, as well as improving comfort and monitoring building performance. In addition, the company also offers services in the field of e-mobility, such as planning charging infrastructure and consulting on the implementation of sustainable mobility solutions.

Technical Consulting & Engineering
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pbplan ag Logo

pbplan ag 

Plaffeien · Since 1990

pbplan ag is a service company specializing in sustainable planning and project development in various fields. The company's core activities include: Infrastructure construction and project management (civil engineering); Natural hazards and renaturation (flood protection, water management); Spatial development and mobility (spatial and environmental planning); Environment and geoinformatics (GIS, cartography); Forest and forestry (forest planning, forest management); Water management (water and electricity supply, flood protection). The company offers services such as project and construction management, planning, consulting and research in these areas.

Technical Consulting & EngineeringCivil Engineering Firms
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Pernette + Wilhelm Ingenieure Logo

Pernette + Wilhelm Ingenieure 

Maienfeld · Since 1996

Pernette + Wilhelm Ingenieure is an independent engineering, planning and consulting firm active in the fields of building physics, mechanical engineering and measurement and test engineering. Services include integrated planning and assessment for energy use, thermal and moisture protection, building and room acoustics, damage analysis, and the development and application of measurement and testing systems.

Technical Consulting & EngineeringMechanical Engineering Industry
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PIANIFICA SA Logo

PIANIFICA SA 

Locarno · Since 2007

PIANIFICA SA provides civil engineering and project management services, including engineering design, structural surveys, structural assessments, facility management, construction supervision and event logistics.

Technical Consulting & Engineering
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Plastservice GmbH Logo

Plastservice GmbH 

Geuensee · Since 2010

The core activity of Plastservice GmbH is the development, manufacture and supply of peripheral technology for the plastics industry. This includes in particular the areas of: drying and conditioning of plastic materials, conveying and storage of plastics, dosing and mixing of plastics, recycling and processing of plastic waste, cooling and tempering technology, hot channel control technology and accessories, and quick couplings and metal separators. The company also offers service and support services for the plastics industry and distributes products from partners such as Movacolor.

Technical Consulting & EngineeringPlastics IndustryWholesale - Machinery & Technical Equipment
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PLIVALUR GmbH Logo

PLIVALUR GmbH 

Chur · Since 2017

The company provides engineering services for specific technical challenges, particularly for small and medium-sized enterprises. The core activities include: development of product innovations and medium-term structural projects, troubleshooting and technical support, project management for cable car and amusement park facilities, design of assembly systems and workplaces, optimization of processes and quality strategies, and consulting and coaching for companies, especially in the areas of customer orientation, communication and conflict management. The company supports small and medium-sized enterprises in improving their efficiency, quality and innovation capabilities.

Technical Consulting & Engineering
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PM GROUP SCHWEIZ GmbH Logo

PM GROUP SCHWEIZ GmbH 

Regensdorf · Since 2011

PM GROUP SCHWEIZ GmbH provides project delivery, engineering and construction management services for high‑tech facilities, covering planning, design and commissioning activities for sectors such as pharmaceuticals, medical technologies, data centres and advanced manufacturing.

Technical Consulting & Engineering
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PolyAir SA Logo

PolyAir SA 

Payerne · Since 2013

The core activity of PolyAir is the design, installation and maintenance of systems for industrial air supply, vacuum technology, gas generators and measuring instruments. They offer solutions for optimizing energy efficiency in industrial and medical fields, including the installation and commissioning of industrial compressors, vacuum pumps, nitrogen and oxygen generators. Additionally, they provide measurement and analysis services for air supply systems.

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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