Technical Consulting & Engineering in
Sempach

defors GmbH

Since 2021 · 11–20 empl.

The core activity of defors GmbH is in building technology, particularly in the areas of: Water Engineering: planning and design of drinking water and wastewater systems, including ensuring drinking water hygiene and integrating energy-efficient solutions. Fire protection and building technology: developing sustainable solutions for building technology, including planning and design of fire protection systems and HVAC systems. Heat treatment plants (RWB): planning and design of heat treatment plants. Consulting and training: the company offers consulting services to customers and conducts training programs for professionals in building technology. The company is also active in standardization and guideline work and has employees who work as technical lecturers and members of working groups of SIA and DIE PLANER, SWKI.

Schumacher & Partner GmbH

Since 1997 · 1–10 empl.·5.0(2)

The core activity of Schumacher Partner GmbH is the planning and implementation of building technology, particularly in the areas of heating, ventilation, air conditioning and sanitation (HVAC). The company offers services such as building technology planning, project management and consulting, and has a team of experts, including building technology engineers, building technicians and building technology planners.

enfors AG

Since 2020 · 1–10 empl.·5.0(1)

enfors AG is an engineering firm focused on fire protection technology and building services engineering. The company plans smoke and heat control systems as well as heating, ventilation and air conditioning systems, and also provides consulting, inspections and project quality management.

Berset AG Betriebseinrichtungen

Since 1997 · 1–10 empl.

The core activity of Berset AG is the planning, consulting and manufacturing of technical workstations and workstation systems, including ergonomic and innovative solutions for various industries, with a focus on modularity, ESD protection and adaptation to individual needs.

w-energie gmbh

Since 2015 · 1–10 empl.

KERAS GmbH

Since 2016 · 1–10 empl.

bähler-wbi ag, Zweigniederlassung Sempach

Since 2021 · 1–10 empl.

René Huber Consulting GmbH

Since 2025 · 1–10 empl.