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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsBiel/BienneCoray Architektur GmbH
Coray Architektur GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Coray Architektur GmbH is the provision of architectural and real estate valuation services. Specifically, this includes the planning and implementation of renovations, conversions, and new constructions, as well as monument preservation and building in existing structures. Additionally, the company offers traffic value assessments and real estate valuations using current methodologies and advises clients on the purchase or sale of properties.

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Products & services

Industry:Architecture Firms
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4.0/5

Coray Architektur GmbH

✓ Offered6
Architectural services for renovations, conversions and new builds
Tailored solutions for renovations, conversions and new builds as well as building on existing structures, from planning through to completion with site supervision.
Renovation of historic and heritage-protected buildings
Renovation of heritage-protected and historic buildings, including restoration, renewal of the building envelope and adaptation to today’s requirements.
Site supervision and project planning
Project planning, design and site supervision for different construction projects, with support from planning through to execution.
Property appraisal and market value estimates
Market value appraisals and property valuations using current methodology, supplemented by specialist support for valuation questions.
Advisory for the purchase and sale of real estate
Advisory for the purchase or sale of real estate, in conjunction with appraisals and property valuations.
Condition analysis and renovation concepts
Condition analyses and renovation concepts for buildings and facilities, including development and implementation of immediate measures.
Trust & reputation

ranQ Trust Score of Coray Architektur GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 96% · As of October 2026

Coray Architektur GmbH scores 67.2 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.81.624%
  • 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.58.610%
  • 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%
Coray Architektur GmbH scores 72.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.75.012%
  • 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%
Coray Architektur GmbH scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Coray Architektur GmbH scores 13.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.13.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Coray Architektur GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 9 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 9 reviews across all connected sources

Sources
GGoogle59
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Beaumontweg 44
2502 Biel/Bienne
Opening hours
Mon
07:30 - 19:00
Tue
07:30 - 19:00
Wed
07:30 - 19:00
Thu
07:30 - 19:00
Fri
07:30 - 19:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-219.403.370
Founded
2019 · 7 years
Last commercial register change
May 28, 2020
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.
88.0
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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