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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionKonolfingenCäsar Bay AG
Cäsar Bay AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Cäsar Bay AG is a construction company providing building and civil engineering works, renovation and refurbishment, and hazardous‑substance remediation (e.g. asbestos, PCB), together with specialist services such as structural strip‑outs, demolitions, pipe jacking, backfilling and an emergency response service.

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Products & services

Industry:Building Construction
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Cäsar Bay AG

✓ Offered7
Renovation and conversion construction
Conversions and renewal construction for small and large projects, from existing buildings to new-build and conversion works.
Building construction
Building construction for retaining walls, industrial buildings and other construction projects, in cooperation with architects, engineers and clients.
Civil engineering
Civil engineering work such as driveway forecourts for garages, parking areas, excavation, access roads, utility construction, renaturalisation projects, and deployment for pipe breaks or flooding damage.
Hazardous substance remediation
Analysis and removal of pollutants such as asbestos and PCB by trained specialists using the latest technical methods.
Special services
Removal of hazardous substances, interior strip-outs, dismantling, hauling away demolition material, pipe jacking, backfilling, and on-call duty for water main breaks and storm damage.
Real estate sales
Continuously offered properties of various types in different locations, with documentation on request and answers to initial questions.
Rental services
Rental of vacant apartments in the region as well as an overview of available properties.
Trust & reputation

ranQ Trust Score of Cäsar Bay AG: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Cäsar Bay AG scores 89.2 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.88.524%
  • 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.91.810%
  • 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.88.08%
Cäsar Bay AG scores 89.3 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.70.07%
Cäsar Bay 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%
Cäsar Bay AG scores 80.0 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 35.80.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Cäsar Bay AG reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.9 out of 5 stars from 36 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 36 reviews across all connected sources

Sources
GGoogle4.936
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Emmentalstrasse 73c
3510 Konolfingen

At a glance

Legal form
Corporation
UID
CHE-107.207.235
Founded
1995 · 31 years
Last commercial register change
June 15, 2026
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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