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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsWinterthurDürsteler Bauplaner GmbH
Dürsteler Bauplaner GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Dürsteler Bauplaner GmbH provides construction management services for building projects, including cost planning, tendering, construction supervision and general-planner responsibilities. The firm works on residential projects as well as educational, commercial and healthcare buildings and undertakes complex renovation and refurbishment projects.

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Products & services

Industry:Civil Engineering FirmsGeneral Contractors
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3.8/5

Dürsteler Bauplaner GmbH

✓ Offered5
Construction management & general planning services
Project management for construction projects, construction cost planning, tendering and construction management; pre-studies, planning, tendering and delivery as well as implementation and commissioning. General planning services for complete planning teams addressing financial and contractual matters.
Construction cost planning
Rough cost estimates, cost estimates and cost estimates for preliminary studies and planning; part of project management for construction projects.
Construction site management
Execution and construction site management in the implementation of construction projects, including commissioning.
Tendering & detailed planning
Bill of quantities based on NPK, public procurement, bid comparisons and awards, as well as detailed planning.
Advisory services & expert reports
Advisory services and expert reports related to construction projects.
Trust & reputation

ranQ Trust Score of Dürsteler Bauplaner GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Dürsteler Bauplaner GmbH scores 48.3 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.58.124%
  • 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.35.310%
  • 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%
Dürsteler Bauplaner GmbH scores 83.0 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%
Dürsteler Bauplaner GmbH 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%
Dürsteler Bauplaner GmbH 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

Dürsteler Bauplaner GmbH reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 3.7 out of 5 stars from 3 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
3.7
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle3.73
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Rudolf-Diesel-Strasse 3
8404 Winterthur
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
Limited Liability Company
UID
CHE-112.026.716
Founded
2004 · 22 years
Last commercial register change
July 5, 2017
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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