Technical Consulting & Engineering in
Gossau ZH

Roland Keller & Co

Since 2000 · 11–20 empl.

The core activity of RKC encompasses advisory services in the fields of energy, sustainability and digitalization, particularly for companies and organizations in the real estate, infrastructure and energy supply sectors. The services include strategy development, project planning, coaching and studies, with the aim of promoting sustainable and efficient energy supply and improving the well-being of people and the environment.

Buco Lux AG

Since 1991 · 1–10 empl.

Buco Lux AG provides lighting solutions and project planning for commercial interiors. The company’s services cover shop, office, showroom, hotel and restaurant lighting as well as the implementation of related projects.

things-brewery GmbH

Since 2015 · 1–10 empl.

things-brewery GmbH provides product development, rapid prototyping and manufacturing services, including 3D printing (FDM and MSLA), PCB and software design, and laser cutting and engraving. Other offerings include vinyl cutting, heat-transfer and sublimation printing, machine embroidery and sewing, and wood and metal processing.

AL Planung AG

Since 2025 · 1–10 empl.

AL Planung AG provides building services engineering planning with a focus on heating, ventilation, air conditioning and sanitary systems. The company covers services from preliminary studies and consulting to execution planning, overall coordination and acceptance.

2care KlG

Since 2022 · 1–10 empl.

Roland Keller Consult GmbH

Since 2024 · 1–10 empl.

Beriplan GmbH

Since 2024 · 1–10 empl.

bär partner gmbh - support & solutions engineering

Since 2025 · 1–10 empl.

Harb Solutions Përzhaku

Since 2025 · 1–10 empl.

Condrau BeEv

Since 2026 · 1–10 empl.