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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsSt. GallenForrer Stieger Architekten AG
Forrer Stieger Architekten AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company is an architectural firm specializing in the planning and execution of construction projects such as residential buildings, hotels, kindergartens and other buildings.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered7
Architectural planning
Design development, competition concepts, planning and implementation for new builds, conversions and renovations in the residential, education, hospitality and commercial sectors.
Renovations and conversions
Conversion, renovation and change of use of existing buildings, including restoration of historic structures, façade refurbishment and adaptation to new uses.
Competition planning
Participation in architecture competitions and study mandates for residential, education, commercial and infrastructure projects.
Residential construction
Planning of single-family homes, multi-family houses and residential developments, often on sloping sites, with split-level layouts, flexible floor plans and outdoor areas.
Education buildings
Planning of school buildings, kindergartens and day care, including new builds, extensions and renovations of existing education facilities.
Hospitality and accommodation buildings
Planning and renovation of restaurants, guest lounges, banquet halls, hotels and the associated kitchens, terraces and outdoor areas.
Commercial and infrastructure buildings
Planning of commercial, technical and infrastructure buildings such as substations, transit stops and public facilities within an urban planning context.
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4.1/5

Forrer Stieger Architekten AG

Trust & reputation

ranQ Trust Score of Forrer Stieger Architekten AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Forrer Stieger Architekten AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Forrer Stieger Architekten AG scores 85.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
Forrer Stieger Architekten AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
Forrer Stieger Architekten AG scores 26.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.20.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.33.34%
Qualifications+0.00

Forrer Stieger Architekten AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 58%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Press

Media

May 29, 2026Media
Getrennt gemeinsam und mit guter Aussicht -
swiss-architects.com
May 26, 2026Media
«Wir wollen das beste Projekt»
hochparterre.ch
September 13, 2025Media
Raumhaltiges Holzstabwerk
hochparterre.ch

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Location

Feldlistrasse 31
9000 St. Gallen

At a glance

Legal form
Corporation
UID
CHE-102.120.319
Founded
1984 · 42 years
Last commercial register change
April 30, 2024
Employees
1 to 10
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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