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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsLachen SzSTÄHLI AG ARCHITEKTEN SIA
STÄHLI AG ARCHITEKTEN SIA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Stähli AG is the provision of architectural services, particularly in the areas of design, project planning and execution planning for construction projects. The company offers services such as building design, construction planning, project management and vocational training, and is involved in the planning and realization of construction projects.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered7
Architectural planning
Planning of new-build, conversions and extensions as well as renovations; consulting and project management, feasibility studies, utility buildings and thermographic assessments.
Residential construction
Planning and project support for residential buildings, focusing on new-build, conversions and extensions as well as renovations in residential construction.
Industrial and commercial buildings
Planning of industrial and commercial buildings, aligned with functional requirements, use and execution.
Renovations of old buildings and conversions
Renovation of existing buildings and conversions, including new-build, conversions and extensions on the existing site.
Advisory services and project management
Advisory services for private and public clients on construction matters as well as project management throughout planning and implementation.
Feasibility studies
Feasibility studies for construction projects as a basis for planning, use and implementation.
Thermography
Thermographic assessments as a supplementary planning service in a construction context.
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4.1/5

STÄHLI AG ARCHITEKTEN SIA

Trust & reputation

ranQ Trust Score of STÄHLI AG ARCHITEKTEN SIA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

STÄHLI AG ARCHITEKTEN SIA scores 66.3 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.77.424%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.52.910%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.50.08%
STÄHLI AG ARCHITEKTEN SIA scores 88.3 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.97.712%
  • 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.70.07%
STÄHLI AG ARCHITEKTEN SIA 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%
STÄHLI AG ARCHITEKTEN SIA scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

STÄHLI AG ARCHITEKTEN SIA reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.9 out of 5 stars from 7 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.9
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.97
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Zeughausstrasse 12
8853 Lachen Sz
Opening hours
Mon
08:00 - 12:00, 13:00 - 18:00
Tue
08:00 - 12:00, 13:00 - 18:00
Wed
08:00 - 12:00, 13:00 - 18:00
Thu
08:00 - 12:00, 13:00 - 18:00
Fri
08:00 - 12:00, 13:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-354.901.236
Founded
2012 · 14 years
Last commercial register change
June 1, 2022
Employees
11 to 20
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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