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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding services engineerBottenwilC + W Engineering GmbH
C + W Engineering GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

C + W Engineering GmbH is an engineering consultancy specialising in building services. It advises on and plans heating, ventilation and plumbing systems, energy plants, and district heating and cooling networks, and provides project planning and construction supervision.

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Service area

Offering

Products & services

Industry:Building services engineer
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3.7/5

C + W Engineering GmbH

✓ Offered4
Building Services Consulting
Consulting for heating, ventilation and sanitary systems, including feasibility studies, generator option comparisons, energy and metering concepts, and operational optimisation.
Building Services Planning
Planning of building-services projects as general planner for heating, ventilation and sanitary systems, from design to execution in residential, administrative and industrial buildings.
Energy Plant Planning
Concept development and planning of energy plants with heat pumps, woodchip-fired systems, fossil energy sources and hot-water decoupling, including spatial and technical coordination.
District Heating and Cooling Planning
Planning of district heating and cooling networks with pipe-static design, network dimensioning, undercrossings, specialist site management, and simulation and optimisation with STANET.
Trust & reputation

ranQ Trust Score of C + W Engineering GmbH: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 54% · As of November 2026

C + W Engineering GmbH has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
C + W Engineering GmbH scores 50.8 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.25.012%
  • 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%
C + W Engineering 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%
C + W Engineering GmbH scores 9.4 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 35.9.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

C + W Engineering GmbH reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Hauptstrasse 441
4814 Bottenwil

At a glance

Legal form
Limited Liability Company
UID
CHE-211.021.964
Founded
2025 · 1 year
Last commercial register change
September 5, 2025
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • AGBottenwil
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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