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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryWindlachDavid Wiederkehr WBT AG
David Wiederkehr WBT AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

David Wiederkehr WBT AG provides diving work, water construction and underwater construction services. The company carries out projects in flowing and standing waters as well as in technical and contaminated environments, and also offers metalwork and steel-water construction services.

AI-generated
Offering

Products & services

✓ Offered9
Diving Work and Underwater Construction
Diving work and underwater construction in flowing and standing waters, from planning to completion, including technical facilities and contaminated waters.
Hydraulic Engineering
Hydraulic engineering with shoreline protection and jetty construction, including planning and implementation of safe, economical solutions in and around water.
Concrete Construction in Water
Submerged concrete foundations, concrete piers and masonry; rehabilitation of natural stone masonry, plus cutting and drilling work in concrete and stone.
Underwater Pipeline Installation
Construction and laying of pipelines for electricity, water, wastewater, gas and other utilities, including underwater fixing and securing.
Work in Wastewater Treatment Plants
Diving work in wastewater treatment plants and contaminated water, especially in aeration tanks and digestion towers, with safety measures for the operation.
Underwater Inspections
Locating, inspecting, measuring and photographing underwater components, plus condition surveys and inspection reports with photo and video annexes.
Underwater Salvage Operations
Location and recovery of sunken objects, components or installations using modern equipment, careful planning and safe execution.
Underwater Cleaning
High-pressure cleaning of masonry, pond installations, inlet structures, steel structures, pipelines, shafts and groundwater wells.
Metalwork and Steel Water Construction
Planning, structural design, fabrication and installation of steel water structures, jetties, bridges, stairs, ladders, boat shelters and boathouses.
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David Wiederkehr WBT AG

Trust & reputation

ranQ Trust Score of David Wiederkehr WBT AG

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

David Wiederkehr WBT 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%
David Wiederkehr WBT AG scores 42.7 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.0.012%
  • 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%
David Wiederkehr WBT AG scores 81.7 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).81.722%
David Wiederkehr WBT AG scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

Knowledge

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Location

Steinacherstrasse 2
8175 Windlach

At a glance

Legal form
Corporation
UID
CHE-445.255.952
Founded
2026 · 0 years
Last commercial register change
July 1, 2026
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.
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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