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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,962 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsLiestalHOLINGER AG
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HOLINGER AG

Summary

About the company

HOLINGER AG is an engineering firm that develops and implements solutions for the water cycle, providing services in wastewater, water supply, hydraulic engineering, civil engineering, energy, industry, geology, urban drainage, environmental sustainability and digital planning.

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Offering

Products & services

Industry:Civil Engineering Firms
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Wastewater
Wastewater treatment, concept development, design and construction of wastewater treatment plants for municipal and industrial wastewater projects; upgrades, operational optimisation, micropollutants, sludge recovery, phosphorus recovery and nitrogen removal.
Construction
Design of structural solutions for water, building and industrial construction; excavation planning, special foundation engineering, geotechnical investigations, fire protection, structural engineering, and construction of infrastructure and utility lines.
Digital planning
Digital planning with BIM, GIS and CAD; management, coordination, modelling, integrated data management, 3D modelling, network information systems and visualisations.
Energy
Energy solutions for decarbonising heat, cold, electricity and process energy; district energy supply, energy storage, heating centres, cooling systems, power plants and special installations.
Industry
Engineering services for industrial plants in water, air, soil, energy and infrastructure engineering; impact studies, laboratory analyses, preliminary design, detailed planning, implementation and operational support.
Urban drainage
Drainage concepts, general drainage planning, stormwater management, sponge city approaches, sewer systems, hydraulic analyses, sewer network management and measurement campaigns.
Environment & sustainability
Environmental impact assessment and environmental site supervision, sustainability consulting, contaminated site investigation and remediation, building pollutants, radon and indoor air measurements, geology and groundwater.
Water construction
Flood protection, revitalisation, defining river corridors, planning of watercourse maintenance, hazard mapping, risk analyses, hydrology reports and reconstruction measures.
Water supply
Planning and construction of facilities and utility lines, drinking water treatment, consulting and support during operations, strategic water supply planning, quality assurance and protection zones.
Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Press

Media

June 30, 2026Media
«Het äs Gschmäckli»: Gemeindepräsidentin gibt Ehemann Bauaufträge
20min.ch
January 18, 2023Media
Holinger Gruppe mit Sitz in Liestal hat mit Andreas Borer einen neuen Konzernchef
bzbasel.ch

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Location

Galmsstrasse 4
4410 Liestal
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.956.432
Founded
1967 · 59 years
Last commercial register change
August 25, 2026
Employees
51 to 100

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