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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,194 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementAmriswilHeinz Giger GmbH
Heinz Giger GmbH Logo
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Heinz Giger GmbH

Summary

About the company

The core activity of Heinz Giger GmbH is the provision of services in the field of architecture and construction management, including construction supervision, cost management, consulting and planning of new buildings, conversions, renovations and public buildings.

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Offering

Products & services

Industry:Construction & Project Management
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Architecture
Architecture for public buildings, new builds, conversions and renovations; planning, design development and architectural support throughout construction projects.
Construction management | Site supervision
Construction management and site supervision with schedule planning, cost estimates, works contracts, site inspection, coordination, site meetings, construction log and warranty works.
Cost management
Cost management for construction projects with building cost estimation, cost analysis, cost comparisons, cost quotations, cost control and final project billing.
Construction consulting
Construction consultations for plots of land and existing properties; buildability assessment, usable volume, usable floor areas, feasibility studies and purchase advisory.
Building appraisals
Building appraisals and real-estate assessments for buying and selling; analysis of offers and inspection of the building fabric.
Building renovations | Change of use
Building renovations and change-of-use projects with building diagnostics, renovation concepts, maintenance plans, cost calculations as well as use and safety plans.
New builds
New builds for public buildings, residential properties, commercial and industrial facilities; references include service yards, halls, residential and commercial buildings.
Conversions
Conversions and extensions for residential, commercial, industrial and public buildings; including renovations, annexes and change of use.
Public buildings
Public buildings such as school buildings, gymnasiums, service yards, cemetery buildings and airport facilities.
Cost calculations
Cost calculations for public buildings, new builds and conversions; estimates and calculations for various project types.
Advisory mandates
Advisory mandates with maintenance and investment plans, change-of-use studies, income calculations, condition analyses and property valuations.
Competitions
Competitions, competition tenders and competition judging as cost planner.
Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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Location

Breitenaachstrasse 1
8580 Amriswil

At a glance

Legal form
Limited Liability Company
UID
CHE-110.600.857
Founded
2004 · 22 years
Last commercial register change
September 3, 2026
Employees
1 to 10

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