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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,888 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsBernZIMMERMANN SINNVOLL BAUEN AG
ZIMMERMANN SINNVOLL BAUEN AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

ZIMMERMANN SINNVOLL BAUEN AG is a construction and real-estate company offering project development, timber construction, and construction execution services. Its services also include property management and maintenance, rental and sales of real estate, and residential care offerings for older people including catering.

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Products & services

Industry:General Contractors
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4.0/5

ZIMMERMANN SINNVOLL BAUEN AG

✓ Offered3
Construction execution / building operations
New construction, conversions, renewal construction, extensions and additions; kitchen and bathroom conversions, renovations, restorations, demolition, building construction work as well as special and service work.
Development
Development of building and residential projects, consulting, cost estimating and support with construction matters; as part of integrated solutions from a single source.
Timber construction
Timber construction for building and residential projects as a separate line of service within 'Sinnvoll Bauen'.
Trust & reputation

ranQ Trust Score of ZIMMERMANN SINNVOLL BAUEN AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

ZIMMERMANN SINNVOLL BAUEN AG scores 53.8 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.70.824%
  • 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.35.08%
ZIMMERMANN SINNVOLL BAUEN AG scores 90.9 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.70.07%
ZIMMERMANN SINNVOLL BAUEN AG scores 85.0 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).85.022%
ZIMMERMANN SINNVOLL BAUEN AG scores 48.6 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 35.48.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ZIMMERMANN SINNVOLL BAUEN AG 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 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
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Oberbottigenweg 51A
3019 Bern

At a glance

Legal form
Corporation
UID
CHE-108.753.167
Founded
1989 · 37 years
Last commercial register change
December 1, 2023
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.85.03%
    • Full methodology

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