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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,877 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsSt. GallenMarkus Alder, Architekten GmbH
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Markus Alder, Architekten GmbH

Summary

About the company

The core activity of Markus Alder Architektur is the provision of architectural services, particularly in the field of age-appropriate building.

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Offering

Products & services

Industry:General Contractors
✓ Offered6
Architectural planning
Planning for new builds and renovations, residential properties, multi-family houses, and public buildings; design development, detailed construction planning, and support for building projects.
Renovation and renewal
Conversion, refurbishment, renewal, and energy-efficient upgrading of residential houses, properties, attic floors, and existing buildings.
New construction
New construction of single-family houses, multi-family houses, residential developments, and individual extensions or replacement builds.
Additions and storey additions
Additions, roof conversions, balcony extensions, terrace additions, and storey additions for residential and commercial properties.
Heritage conservation and historic buildings
Renewal and refurbishment of listed heritage buildings, old town houses, and historic structures.
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Location

Lindenstrasse 122
9000 St. Gallen

At a glance

Legal form
Limited Liability Company
UID
CHE-109.438.544
Founded
2002 · 24 years
Last commercial register change
August 6, 2026
Employees
1 to 10

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