Technical Consulting & Engineering in
Rapperswil SG

Frei + Krauer AG

Since 1993 · 11–20 empl.·4.3(6)

Frei + Krauer AG is an engineering office for water supply and civil engineering. It provides planning, project management and technical services to municipalities, cantonal authorities, cooperatives and private clients, covering water supply systems, pipeline infrastructure, GIS/3D planning and related services.

Knecht Elektronik

Since 2002 · 1–10 empl.

The core activity of Knecht Elektronik is the development and manufacture of customer-specific electronic devices and assemblies, particularly in the field of digital circuits (FPGA/ASIC) using VHDL or Verilog. This also includes services such as prototype construction, test engineering, technical documentation and refurbishment of electronic devices.

Zeis Engineering & Consulting

Since 2004 · 1–10 empl.

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.

Tresch + Kieliger GmbH

Since 2006 · 11–20 empl.

Tresch + Kieliger GmbH designs and manufactures test rigs, test-cell infrastructure and rig components for high-temperature and high-pressure applications, including probes and instrumentation feedthroughs. The company provides engineering services such as feasibility studies, FEA/CFD simulations, risk assessments, procurement, and assembly/commissioning, and works on combustion systems and renewable synthesis-gas generation technologies.

Rovi Energie AG

Since 2010 · 1–10 empl.

The core activity of rovi energie AG is the development and implementation of solutions for energy generation and residual material utilization, particularly in the field of biogas production and processing, as well as gas infrastructure and hydrogen technology. The company supports its partners and customers in the development of concepts, implementation and distribution of technologies and solutions in these areas.

africa enablers GmbH

Since 2014 · 1–10 empl.

The core activity of the company "africa enablers GmbH" is the consulting and support of infrastructure projects in Africa, particularly in the area of port and energy projects, including project development and financing.

Frank Energy GmbH

Since 2017 · 1–10 empl.

The core activity of Frank Energy GmbH is to design, analyze and implement solutions for the energy transition, with the goal of achieving effective, efficient and profitable results. The company provides consulting services to support customers in implementing energy projects and finding solutions tailored to their specific needs.

Ghisleni Partner AG

Since 2015 · 21–50 empl.·3.2(5)

Ghisleni Partner AG provides general planning, construction management and client advisory services for building projects. The company supports projects from planning and coordination through to realisation, and also uses digital methods such as BIM.

shouldcosting gmbh

Since 2014 · 1–10 empl.·4.5(4)

The core activity of shouldcosting GmbH is the development and provision of software solutions for the systematic generation, use and automation of company data, particularly in the areas of Product Lifecycle Management (PLM), Cost Management and Data-Driven Processes. The solutions enable companies to automate and optimize their cost calculations, product group management, procurement and sales by leveraging artificial intelligence (AI) and data-driven analytics.

enex engineering GmbH

Since 2022 · 1–10 empl.

The core activity of enex engineering gmbh is consulting, planning, optimization and visualization of energy and building technology. Specifically, this includes providing services such as energy consulting, plant replacement, municipal energy planning, building technology, heating planning, decarbonization analysis and funding and approval analysis. The company supports customers in implementing efficient and sustainable energy and building solutions.

raumfindung baukultur AG

Since 2025 · 1–10 empl.

raumfindung baukultur AG is an architectural practice that plans living spaces and develops projects from early design concepts through to execution. Its work includes residential buildings, schools, administrative and cultural buildings, as well as conversions and competitions.

Leventa GmbH

Since 2024 · 1–10 empl.

Leventa GmbH provides consulting and engineering services in fire protection and building physics. The company focuses on timber-construction projects and delivers fire protection concepts, compliance documentation, quality assurance and building-physics analyses including energy certificates.