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

About the company

Roos Architekten AG is an architectural firm that provides design and project-planning services for residential, commercial and public buildings, including single-family houses, multi-family new builds and renovations, heritage conservation, and timber/hybrid construction.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered8
Architecture for single-family houses
New-build, conversions, extensions and interior renovations of single-family houses; projects for different locations and living situations.
Architecture for multi-family houses
New-build of multi-family houses and residential developments; also terraced single-family houses, residential and mixed-use buildings, and other housing.
Renovation of multi-family houses
Renovation and additional-storey construction of multi-family houses, residential developments and residential care homes; partly combined with new-build or refurbishment.
Architecture for commercial and industrial buildings
New-build, conversions and renovations of industrial premises, office buildings, car parks, restaurants and other commercial buildings.
Architecture for public buildings
New-build and renovations of school buildings, gymnasiums, sports facilities, municipal and retirement homes, and other public buildings.
Heritage protection and architectural culture
Renovation and conversion of heritage-listed or historic buildings such as rectories, parish churches, office buildings and other existing structures.
Timber and hybrid construction
Projects in timber and hybrid construction, in particular new-builds, extensions and residential developments with timber components.
Architecture studies
Studies for new-builds, replacement constructions, additional-storey developments, housing and public facilities as preliminary project and development work.
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4.0/5

Roos Architekten AG

Trust & reputation

ranQ Trust Score of Roos Architekten AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Roos Architekten AG scores 52.5 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.54.224%
  • 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.27.910%
  • 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.78.08%
Roos Architekten AG scores 93.9 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%
Roos 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%
Roos Architekten AG scores 51.4 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 35.51.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Roos Architekten AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 3.0 out of 5 stars from 2 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
3
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle32
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Zürcherstrasse 102
8640 Rapperswil Sg
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-106.094.684
Founded
1995 · 31 years
Last commercial register change
December 19, 2025
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.85.03%
    • Full methodology

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