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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsBelpGraber Architekten
Graber Architekten Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Graber Architekten is a single-person architecture practice offering services from conceptual design and project development through construction management, covering renovations, new-builds and public, residential and commercial projects. The practice emphasises building ecology and low‑tech approaches and promotes the use of natural materials such as clay, lime and untreated wood.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered7
Architectural services
Architectural services for conversion, renovation and new-build projects; from the concept design through the building project and cost estimate to construction realisation with site management, tendering and cost monitoring.
Conversions and renovations
Conversion and renovation projects for single-family homes, multi-family houses, farmhouses, apartments as well as ecclesiastical and commercial buildings.
New-build planning
New-build planning for smaller new housing developments, single-family homes, kindergartens, business buildings and other building types.
Overall planning for smaller developments
Overall planning for smaller new-build developments, including development, project design and realisation.
Execution and detailed planning
Execution and detailed planning for construction projects, including cost monitoring and final account.
Site management and tendering
Construction realisation with site management, tendering work, coordination of the work and support through to completion.
Project development with design concept
Development of a design concept together with the client, as well as drafting building projects and cost estimates.
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3.8/5

Graber Architekten

Trust & reputation

ranQ Trust Score of Graber Architekten: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Graber Architekten scores 53.9 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.60.724%
  • 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.40.910%
  • 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%
Graber Architekten scores 78.5 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%
Graber Architekten scores 83.3 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).83.322%
Graber Architekten scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Graber Architekten reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 out of 5 stars from 4 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
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle44
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Dorfstrasse 18
3123 Belp
Opening hours
Mon
08:00 - 17:30
Tue
08:00 - 17:30
Wed
08:00 - 17:30
Thu
08:00 - 17:30
Fri
08:00 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-113.666.568
Founded
2007 · 19 years
Last commercial register change
September 27, 2011
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.
67.0
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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