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

About the company

BWT Bau AG is a construction company providing new-build, renovation and remediation services, including hazardous-material removal, concrete works and small-scale jobs. Its services cover residential, commercial, industrial and public building projects and include timber-element construction and concrete drilling/processing.

AI-generated
Offering

Products & services

Industry:Building Construction
✓ Offered3
Construction contractor
New builds, conversions, extensions and renovations; concrete and masonry work as well as coherent overall execution for construction projects of any size.
Hazardous substance remediation
Asbestos remediation, PCB remediation, PAH remediation and other hazardous substance remediation; analysis, remediation concept, safety zones and professional implementation in accordance with regulations.
Concrete drilling + milling
Concrete drilling, concrete cutting, wire sawing, circular wire sawing, hydraulic concrete demolition and concrete nibbling for reinforced concrete, masonry and natural stone.
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4.1/5

BWT Bau AG

Trust & reputation

ranQ Trust Score of BWT Bau AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

BWT Bau AG 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%
BWT Bau AG scores 90.6 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.96.07%
BWT Bau 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%
BWT Bau AG scores 35.7 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 35.71.44%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

BWT Bau AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 58%, 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.

Press

Media

December 12, 2024Media
Die BWT Bau AG ist nachhaltig unterwegs
winterthurer-zeitung.ch

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Location

Maiacherstrasse 31
8604 Volketswil

At a glance

Legal form
Branch
UID
CHE-428.906.441
Founded
1967 · 59 years
Last commercial register change
September 18, 2023
Employees
101 to 500
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.
76.0
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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