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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsChurStauffer & Studach AG
Stauffer & Studach AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Stauffer & Studach AG is the provision of services in the field of spatial planning and geoinformation. This includes, in particular, the development of solutions for sustainable spatial development, supporting customers with spatial planning and geoinformation issues, as well as elaborating future-proof solutions in these areas.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered6
Local planning and spatial development
Local planning / land-use planning, cantonal and regional planning, vision statements and master plans, site evaluations, land and district planning, school-site planning, foundations and feasibility studies.
Geoinformation
Data management centre (ÖREB), GIS analyses, interfaces for data exchange, geodata modelling, 2D/3D visualisations and tailored GIS solutions for data capture, management and visualisation.
Urban planning
Urban planning studies and analyses, densification studies, development concepts and land-use studies for municipalities and private clients.
Building authority services
Support for building authorities, review of building permits, construction and design advisory services, preparation of building permit applications for tourist buildings and facilities, advice on dealing with unauthorised structures.
Competition procedures / Submission
Competitions, study assignments, test layouts and submissions to evaluate projects and partners.
Transport
Mobility concepts, design and operating concepts as well as accessibility studies to coordinate settlement development and transport.
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4.1/5

Stauffer & Studach AG

Trust & reputation

ranQ Trust Score of Stauffer & Studach AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Stauffer & Studach AG scores 56.8 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.73.124%
  • 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.35.310%
  • 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.35.08%
Stauffer & Studach AG scores 92.3 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.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.82.07%
Stauffer & Studach 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%
Stauffer & Studach AG scores 91.4 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 35.91.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stauffer & Studach AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 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
5
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Alexanderstrasse 38
7000 Chur
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.060.742
Founded
1979 · 47 years
Last commercial register change
June 10, 2026
Employees
21 to 50
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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