Engineer 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.

Knecht Elektronik designs digital FPGA and ASIC circuits using VHDL or Verilog and provides freelance electronics development services. It develops, builds and tests custom electronic assemblies and prototypes, and offers technical documentation and modifications to existing 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 is an engineering company specializing in test rigs and test-rig infrastructure for high-pressure and high-temperature environments. Its services include feasibility studies, design, calculations and risk assessments, as well as the development of test-rig components and measurement probes.

Rovi Energie AG

Since 2010 · 1–10 empl.

Rovi Energie AG develops technical solutions and supports projects in bioenergy and renewable gases. Its services include advice on biogas production and upgrading, digestate processing and carbonization, as well as project support from concept studies through implementation.

africa enablers GmbH

Since 2014 · 1–10 empl.

africa enablers GmbH advises on large infrastructure projects in Africa and works in project development and financing. Its areas of focus include ports and power.

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)

shouldcosting gmbh develops software and AI solutions for automated manufacturing-cost calculations for parts and assemblies, as well as for classifying items and product groups. Its solutions process CAD and other business data and can be integrated with CAD, PDM, ERP and PLM systems.

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.

Blau und Gelb Landschaftsarchitektur AG

Since 2025 · 1–10 empl.

Blau und Gelb Landschaftsarchitektur AG is a landscape architecture firm focused on project-based open-space planning. The company designs private and public gardens, residential and urban outdoor spaces, public squares, parks and other landscapes, and also prepares studies, analyses and spatial concepts.