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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint742,807 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringSt. GallenLängle & Staub GmbH
Längle & Staub GmbH Logo
Verified· 3 sources

Längle & Staub GmbH

Summary

About the company

The company is a planning and engineering firm for building technology, positioning itself as a link between builders and clients as well as between idea and implementation. The core activity of the company is building technology planning, where all services are offered from a single source.

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Products & services

Industry:Technical Consulting & Engineering
✓ Offered4
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General planning
Planning of energy and building services systems in the areas of heating, cooling, ventilation, air conditioning and sanitary; building services concepts, tenders, 3D and BIM planning, calculations, specialist site supervision and quality checks.
Sanitary planning
Sanitary planning for new builds and renovations, including concepts, projects, tenders, 3D and BIM planning, Legionella concepts and sampling, as well as expert support.
Heating – Cooling – Ventilation planning
Planning of heating, cooling and ventilation systems as part of building services planning, complemented by concepts, calculations, 3D and BIM planning, as well as specialist site supervision.
BIM
BIM planning services for building services, including concept development, creation of BIM models, clash detection, consultation and support across all project phases.
Reviews

Aggregated rating

Aggregated rating
4.7
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.76
★TrustpilotSoon
PProvenExpertSoon

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Location

Teufener Strasse 25
9000 St. Gallen
Opening hours
Mon
07:30 - 17:00
Tue
07:30 - 17:00
Wed
07:30 - 17:00
Thu
07:30 - 17:00
Fri
07:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-262.920.531
Founded
2014 · 12 years
Last commercial register change
May 27, 2026
Employees
1 to 10

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