Environmental engineer in
Liestal

ABUplus GmbH

Since 2010 · 1–10 empl.

ABUplus GmbH provides services in contaminated sites relating to construction and the subsurface, geology, hydrogeology, the environment and related fields.

Gebäudediagnostik Siegwart AG

Since 2015 · 1–10 empl.

Gebäudediagnostik Siegwart AG investigates buildings for asbestos, PCBs, PAHs, heavy metals and other hazardous substances. Its services include planning radon remediation, supporting hazardous-material remediation projects and conducting indoor air measurements.

UBZ Umwelt-Beratung Zimmermann AG

Since 1989 · 1–10 empl.

HOLINGER AG

Since 1967 · 51–100 empl.·5.0(2)

HOLINGER AG is an engineering company focused on solutions for the water cycle. It plans and supports projects in wastewater, construction, energy, digital planning, the environment, hydraulic engineering and water supply.

Ingenieurbüro Götz AG

Since 2026 · 1–10 empl.

Ingenieurbüro Götz AG provides engineering and consulting services in water engineering, nature and landscape. Its work includes flood protection, river restoration, rainwater management, biodiversity projects, forestry planning and nature surveys.

Balewa AG

Since 2005 · 1–10 empl.

Detaq AG

Since 2015 · 1–10 empl.