Technical Consulting & Engineering

WW BAUBERATUNG GmbH 

Bern · Since 2012

WwT Widmer wasser Technik Sagl 

Coglio · Since 2019

The core activity of Widmer Wasser Technik Sagl is the planning, design and maintenance of plants, particularly in the field of water treatment and purification. The company offers its services to both private customers and public institutions.

Wyss&Lila AG 

Zug · Since 2022

The core activity of Wyss&Lila AG is the provision of engineering services, particularly in the rail industry. This includes, among other things: RAMS engineering (Reliability, Availability, Maintainability, Safety), upgrade, modernization and retrofit of rail vehicles, asset management and lifecycle management of rail vehicles, development of intelligent, real-time analytics and predictive maintenance solutions, and creation of technical documents and manuals according to international standards. The company thus offers a wide range of services aimed at improving the efficiency, safety and reliability of rail vehicles and systems.

YCOOR SYSTEMS SA 

Sierre · Since 2007

YCOOR SYSTEMS SA develops software and provides services in scientific computing and numerical simulation. Its activities include technology transfer from research, consulting mandates, and the development and maintenance of application-specific simulation software.

Yunex AG 

Zurich · Since 2021

The company is primarily engaged in the development and provision of solutions for mobility and transportation technology. The core activities include: development of intelligent transportation systems (Smart Intersection, Connected Mobility); provision of solutions for transportation infrastructure (Tolling & Infrastructure Solutions, Tunnel & Freeway Tolling Solutions); offering of mobility services (Mobility Services & Consulting, Road Services); development of solutions for electromobility (EVCI); provision of cybersecurity solutions for transportation technology; and manufacturing of products and solutions for mobility (Manufacturing Services). The company aims to make mobility safer, more sustainable, and efficient by leveraging digital technologies to transform cities and transportation systems.

Zeis Engineering & Consulting 

Rapperswil Sg · Since 2004

The core activity of Zeis Engineering & Consulting is the provision of engineering and consulting services, particularly in the areas of process optimization, project management and technical consulting.

Zeta CH AG 

Dintikon · Since 2012

The company provides engineering and project management services for the planning, coordination, and implementation of projects in the fields of building equipment, decarbonization, automation, digitalization, and process solutions, particularly for the biotech and pharmaceutical industries. The core activities include: Engineering and project management for planning and coordinating projects, building equipment and technology (TGA, HLK, cleanroom), decarbonization and energy efficiency, automation and digitalization of processes, process solutions for the biotech and pharmaceutical industries (Large Molecules, blood plasma, vaccines, parenteralia), and lifecycle management and service for plants and systems. The company thus offers comprehensive services for planning, implementing, and maintaining projects in the biotech and pharmaceutical industries.

zettess - Ingenieurbüro für Energie und Umwelt J. und B. Zweifel-Schielly 

Glarus · Since 2006

Ziegler Engineering AG 

Basel · Since 2020

The core activity of Ziegler Engineering AG is consulting and supporting large-scale projects in the field of renewable energy and power plant technology, drawing on the long-standing experience of its founders and expert network.

Zimmermann Consulting & Solution GmbH 

Kilchberg Zh · Since 2024

Zimmermann Consulting & Solution GmbH is a consulting and service firm that uses modelling and simulation to address physical engineering questions. The company supports life‑science technology development with structural mechanics FEA, virtual prototyping, multiphysics simulations (including CFD and heat transfer), design optimization, in‑silico validation and quality/regulatory consultancy.

Zimtech AG 

Büren Nw · Since 2006

The core activity of Zimtech AG is the development and realization of mechatronic systems and products that combine the disciplines of mechanics, electrical engineering and computer science. The company supports customers in implementing their visions into successful products through the analysis, modeling and design of systems as well as the development of electrical engineering and software.

ZL Management & Processdesign AG 

Winterthur · Since 2009

STEPS VENTURES AG 

Aesch Bl · Since 2013

ZOO-RIDING AG is a manufacturer and supplier of steerable ride-on animals for indoor and outdoor use, particularly for children. The company's core activity is the development, production and distribution of toy ride-on animals, such as baby horses, as well as accessories and spare parts.

Zosso Engineering GmbH 

Thun · Since 2022

Zuken E3 GmbH, Ulm, Zweigniederlassung Schweiz, Othmarsingen 

Othmarsingen · Since 2013

Zuken is a software company specializing in the development and distribution of software solutions for electrical engineering and electronic design. The company's core activity encompasses the development and distribution of ECAD software (Electrical Computer-Aided Design), which is used for planning, development, and manufacturing of electronic circuits and systems. Zuken also provides services such as training, support, and design services to support customers in implementing and utilizing their software solutions.

ZULAUF Solution GmbH 

Ursenbach · Since 2022

ZURFLUH LOTTENBACH GmbH 

Lucerne · Since 2001

Zweifel SiTec AG 

Beggingen · Since 2022

The core activity of Zweifel SiTec AG is the development, manufacture and marketing of drinking water systems and products, particularly water dispensers and osmosis systems, as well as consulting and services in the field of drinking water treatment.

Plan K AG 

Suhr · Since 2025

Glenarc GmbH 

Emmetten · Since 2025