Technical Consulting & Engineering

C + E Planing AG 

Wohlen Ag · Since 2012

The core activity of C+E Planing AG is the provision of services in the areas of owner consulting, construction management, safety management and engineering, particularly in the context of tunnel systems and traffic technology. Specifically, this includes the planning and implementation of traffic television systems (VTV), the creation of safety concepts and the conduct of safety audits, as well as consulting and supporting owners in the planning and implementation of construction projects.

CertX Solutions AG 

Fribourg · Since 2023

CertX Solutions AG is an accredited certification and inspection body for functional safety, cybersecurity and artificial intelligence, offering assessments, product certification, type approvals and management-system certification. The company performs independent reviews, inspections and training, and acts as a notified body (CE) and as a technical service for vehicle homologation.

Chammartin et Spicher S.A., succursale de Riviera-Chablais 

Vevey · Since 2001

Chammartin et Spicher S.A., succursale de Riviera-Chablais is an engineering consultancy focused on building technical installations and energy, covering heating, ventilation, air conditioning, refrigeration, sanitary systems and building automation.

Chammartin et Spicher S.A. 

Lausanne · Since 1988

Chammartin et Spicher S.A. is an engineering consultancy focused on building services and energy, providing design, studies and implementation for heating, ventilation, air conditioning, refrigeration, sanitary systems and building automation (MCR). The firm develops energy concepts (including Minergie), advises on renewable energy solutions, and performs thermography, system optimisation and operational cost analyses.

CH-Ingenieure GmbH 

Glattbrugg · Since 2010

The core activity of CH-Ingenieure is the planning, design and consulting of technical installations and systems in the fields of building technology, electrical engineering, high-voltage systems, lighting, security and medical technology. The company offers services such as project management, technical coordination, project supervision, object analysis and communication to support customers in the realization of their projects.

Citec Ingénieurs-Conseils SA 

Les Acacias · Since 1994

Citec Ingénieurs-Conseils SA is an engineering firm focused on mobility and transport, providing planning, multimodal design, project execution and operational management including traffic regulation.

Citec Ingénieurs-Conseils SA 

Sierre · Since 2009

Citec Ingénieurs-Conseils SA is an engineering and consulting firm focused on transport and mobility, providing planning, management, design and traffic regulation services for transport infrastructures and mobility projects. Its services include transport planning, multimodal design, project execution, construction traffic management, travel modelling and digital solutions, and it offers products such as abiGO, Bike Survey and On Time.

Citec Ingénieurs-Conseils SA, succursale de Morges 

Morges · Since 2014

Citec Ingénieurs-Conseils SA, succursale de Morges is an engineering consultancy focused on mobility and transport, providing planning, multimodal design, traffic regulation and infrastructure safety studies. The branch also develops digital mobility solutions and products (abiGO, Bike Survey, On Time) and delivers services for events, construction traffic and operational traffic management.

Citec Ingénieurs-Conseils SA, succursale de Delémont 

Delémont · Since 2012

Citec Ingénieurs-Conseils SA, succursale de Delémont is an engineering consultancy for transport and mobility providing planning, design, implementation and operational traffic-regulation services. Its activities include traffic modelling, construction-site and large-event traffic plans, parking studies and digital mobility solutions and products.

Citec Ingénieurs-Conseils SA, succursale de Neuchâtel 

Neuchâtel · Since 2012

Citec Ingénieurs-Conseils SA, succursale de Neuchâtel provides engineering and consultancy services in transport and mobility, offering planning, multimodal design, traffic regulation, construction- and event-mobility management, and digital mobility products such as abiGO, Bike Survey and On Time.

Cladding AG 

Landquart · Since 2019

The core activity of Cladding AG is the provision of engineering services in the field of metal, glass, steel and façade construction. This includes in particular: condition analyses and expert opinions, engineering work, including the development, design and calculation of intricate and cost-effective structures, structural analysis and building physics, as well as consulting and development of solutions for complex and challenging projects in façade construction. The company offers these services under the name 'Ingenieure am Seil' and focuses on providing high-quality and safe solutions for customers in the field of metal, glass, steel and façade construction.

Cleverson GmbH 

Altendorf · Since 2021

The core activity of Cleverson is the planning and implementation of lighting design and building automation, including smart home solutions, with the goal of creating energy-efficient and sustainable solutions for customers.

Clovero AG 

Zurich · Since 2023

The core activity of Clovero AG is data-driven consulting and optimization of systems, particularly in the areas of infrastructure, environmental and building technology. The company supports customers in analyzing and processing operating data to provide a quantifiable added value and optimize system control. To this end, engineering logic and machine learning algorithms are used to extract valuable information from the data and make it available in real-time.

concept-g AG 

Winterthur · Since 2012

The core activity of CONCEPT-G AG is consulting and planning building technology, particularly in the areas of heating, air conditioning, ventilation, sanitation and specialist coordination. The company offers individual planning, consulting and support in defining needs, evaluating energy-efficient energy concepts, calculating economic viability and performing life cycle assessments of heat generation systems. It supports customers in planning and implementing building technology projects and also provides services such as condition and vulnerability analyses, creation of energy certificates and overall project management.

Consultair AG 

Wädenswil · Since 1972

Consultair AG is an engineering firm specialising in building services and energy consultancy. The company plans and coordinates technical building systems (heating, ventilation, air conditioning, sanitary and refrigeration) and provides services such as Building Information Modeling (BIM), MSRL and cross-discipline project coordination.

Cottens & Badoux Energie Services SA 

Giez · Since 2007

The core activity of Cottens & Badoux Energie Services SA (CESSA) is the provision of services in the field of energy transmission and distribution, particularly in the areas of: * Measurements and diagnostics of high-voltage installations and power plants * Technical consulting and project support for the construction and modernization of energy facilities * Commissioning and testing of energy facilities * Training and education of specialized personnel in the field of energy transmission and distribution * Project management and coordination of construction and renovation projects for energy facilities CESSA works closely with partners such as OMICRON and offers solutions for optimizing and operating energy facilities, including extending their lifespan, increasing capacity, and exploiting energy efficiency potential.

CREA Energy AG 

Boll · Since 2011

The core activity of CREA Energy AG is the consulting, planning, installation, installation and maintenance of solar power systems, including intelligent control, main consumers, self-consumption/self-consumption communities, charging stations and power storage systems (DC and AC). In addition, the company carries out electrical installations (DC and AC side) as well as control, repair, service and maintenance work, including yield and function monitoring.

CSF Wunderle AG 

Schaffhausen · Since 2006

The core activity of CSF Wunderle is consulting and services in the field of operational safety, including planning, design, documentation, delivery and installation of safety solutions for companies and institutions.

CTA Energy Systems AG 

Münsingen · Since 2001

CTA Energy Systems specializes in the planning, installation and maintenance of uninterruptible power supply systems (UPS systems) as well as the distribution of batteries and related services.

czwei GmbH 

Chur · Since 2016

czwei GmbH develops system solutions in ventilation, air‑conditioning and refrigeration engineering and provides planning as well as supervision of implementation and commissioning. The company serves hospitals, industrial and commercial buildings and delivers technical calculations, design documentation, specifications, post‑installation measurements and assessments.