Technical Consulting & Engineering

SIB Sicherheitsingenieurbüro GmbH 

Lenzburg · Since 2022

The company SIB Sicherheitsingenieurbüro specializes in the areas of Safety and Security and supports customers in achieving their security goals. The core activities include: Risk Management, Fire Protection Concepts, Integral Security Concepts (structural, technical, organizational), Consulting on Security Issues, and Accompanying customers in the implementation and management of security measures. The company thus offers services in the field of security consulting and planning.

SICOR ENGINEERING GmbH 

Mörschwil · Since 2022

The core activity of SICOR ENGINEERING GmbH is the development and implementation of functional safety for machines and systems, particularly in the areas of automotive, machinery, robotics and rail vehicles. The company supports customers in ensuring the safety of their products through analysis, management and implementation of safety concepts, interfaces and systems.

SIDERON GmbH 

Schwyz · Since 2007

SIDERON GmbH provides engineering services for custom machine construction, medical-technology projects, automation, and product development and optimization. The company performs project management, prepares requirements and concept documents, conducts risk analyses (FMEA), carries out 3D design work with SolidWorks, and manages qualification and acceptance tests (DQ, IQ, OQ, FAT, SAT) as well as technical documentation.

Sieber & Liechti GmbH 

Ennetbaden · Since 2006

The core activity of Sieber & Liechti GmbH is in the field of ecology and landscape planning, particularly at the interface between humans and nature. The services include: Revitalization and flood protection, Nature conservation and settlement ecology, Client support and environmental impact assessment (EIA), Forest ecology, Visitor management and visitor information, Cartography and Geographic Information Systems (GIS). The company also offers ranger services for nature reserves and supports the planning and implementation of projects in the field of ecology and landscape planning.

SiedlungsNatur GmbH 

Fideris · Since 2024

SiedlungsNatur GmbH provides tools and advisory services to promote and assess biodiversity in and around real estate. Offerings include the BioValues standard for measuring biodiversity, the Toolbox Siedlungsnatur with practical guidance, and project support, monitoring and stakeholder network activities.

Siegenthaler Beratungen 

Oberkirch Lu · Since 2019

The core activity of Siegenthaler Beratungen is the provision of consulting services for building owners and architects in the areas of building automation, quality assurance, and operational optimization. This includes, in particular: Specialist consulting for building owners and architects, quality assurance for the implementation of organizational and technical measures, operational optimization through data collection, analysis, and evaluation, building automation, including needs assessment and networking of technology and users, integral testing and safety aspects in accordance with regulatory requirements, and the development and implementation of sustainable concepts based on modern and cost-effective technologies.

Siegenthaler Haustechnikplanung GmbH 

Muhen · Since 2015

The core activity of Siegenthaler Haustechnikplanung GmbH is the planning and implementation of building technology solutions, particularly in the areas of heating, ventilation and sanitary systems, as well as the creation of energy certificates, Minergie certifications and the planning of heat pump and earth probe applications.

Siemens Mobility AG 

Wallisellen · Since 2018

The core business of Siemens Mobility is the development, manufacture and maintenance of rail vehicles, infrastructure and services, including digital solutions and software, to provide a sustainable, comfortable and cost-effective rail transport solution.

Sigan AG 

Zurich · Since 2021

The core activity of SiGaN AG is the development and research of bidirectional power electronics solutions, particularly in the power range of 1W to 100kW. The company focuses on the development of efficient, compact, and reliable power electronics systems for various applications, including: Vehicle-to-Home (V2H)/Vehicle-to-Everything (V2X) solutions, Electrical Energy Storage (EES), Bi-directional motor drives, and Power converters for industrial applications. The company also offers customer-specific design licenses, certifications, and lifetime support for its power electronics solutions.

SIGDATA AG 

Bern · Since 2009

SIGDATA AG is a system house for railway signalling technology that provides planning, implementation, installation and acceptance testing for relay-based systems and develops and manufactures hardware and software for interfaces such as eBlock and eFAP under the brand eLogic. The company also maintains legacy standardized railway technologies and carries out targeted knowledge transfer to preserve operational expertise.

sigeom sa 

Sonceboz-Sombeval · Since 2008

sigeom sa is an office of engineers and licensed surveyors providing geomatics services. Its offerings include official surveying, specialized measurements and monitoring, geoinformation and GIS (SIT/SIG), BIM and 3D modelling, underground utility cadastres and land‑management services.

sigeom sa, succursale de Moutier 

Moutier · Since 2024

siglab ag 

Sigriswil · Since 2022

The core activity of Siglab AG is the development of embedded software and systems, particularly in the areas of functional safety, Kalman filters, and board support packages for platforms with embedded Linux. The company offers services such as feasibility studies, requirements analysis, algorithm development, system architecture and design, prototype development, and mass production of embedded software.

Sigma Ingénierie et Maintenance SA 

Sion · Since 1989

The core activity of Sigma Ingénierie & Maintenance SA consists of two main areas: 1. **Engineering**: The company provides engineering services, particularly in the fields of: * Design and planning of technical installations in buildings (heating, air conditioning, ventilation, plumbing, water treatment) * Development of energy concepts (heat, electricity, cold) including solar and geothermal systems 2. **Maintenance**: The company provides maintenance and repair services, particularly in the fields of: * Remote monitoring and control of technical installations * Preventive and corrective maintenance of technical installations in buildings and large power plants The company thus offers a combination of engineering services and maintenance and repair services to plan, install and maintain technical installations in buildings and industrial facilities.

Sigmaplan AG 

Bern · Since 1982

The core activity of Sigmaplan AG encompasses planning, consulting, research, monitoring, control, development and support in the following areas: spatial development, environmental compatibility, water, energy, nature and landscape, transportation and public space, geoinformatics and IT, project support and public relations. The company offers interdisciplinary services ranging from detailed planning of individual objects to comprehensive planning and project management of complex projects.

SIGMAtools GmbH 

Horgen · Since 2013

SIGMAtools GmbH develops and implements measurement and analysis systems, industrial DAQ and connectivity devices, and software and hardware solutions for IoT/Industry 4.0 projects. The company also produces digital product documentation, including CE‑compliant, interactive and expandable digital manuals.

Signaxis Sàrl 

Vevey · Since 2009

Signaxis Sàrl is a consultancy for signage and wayfinding. It carries out surveys of existing signage, develops signage concepts and master plans, prepares signage charters, provides assistance during works, and offers advice and training.

Signer Baugutachten GmbH 

Hombrechtikon · Since 2018

The core activity of Signer Baugutachten GmbH is the creation of expert reports, appraisals, plans and problem solutions in the field of building envelopes, particularly in the case of leaky roofs and defective facades.

signer medizintechnikplanung (s-mtp) gmbh 

Appenzell · Since 2023

signer medizintechnikplanung (s-mtp) gmbh is a planning and consulting firm for medical technology in the healthcare sector, providing consulting, planning, procurement and project realisation services for medical-technology projects. The company also offers digital modelling (3D/VR/AR), project coordination and technical construction management.

SIH - Schweizer Ingenieurbüro Huber AG 

Diepoldsau · Since 2018

SIH - Schweizer Ingenieurbüro Huber AG is an engineering firm specializing in fire protection and security technology, providing consultancy, fire-protection concepts and plans, quality assurance, risk management, BIM-based planning and construction site safety services.