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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringBüren SoWolter SDM AG
Wolter SDM AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Wolter SDM AG is the diagnostics and management of pollutants in buildings, particularly in connection with renovation and reconstruction of real estate. This includes the examination for building pollutants such as asbestos and the consulting of customers in the planning and execution of construction projects to minimize health risks and avoid legal risks.

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Products & services

Industry:Technical Consulting & Engineering
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4.0/5

Wolter SDM AG

✓ Offered5
Pollutant diagnostics
Asbestos, PCB, CP, PAHs, CFC, and KMF; building screenings, sample collection, analysis, short reports and pollutant reports for renovations or deconstruction.
Pollutant management
Remediation and disposal concepts, site supervision by specialists, tenders and submissions, support during remediation, clearance measurements, acceptance and final reports.
Construction and remediation consulting
Advisory services for construction projects and developments, risks in renovations and deconstruction, legal requirements, cost estimates, and hands-on support throughout the process.
Pollutant measurements and clearance measurements
Indoor air measurements according to VDI 3492, accompanying asbestos fibre measurements during test remediations, end-of-zone measurements and clearance measurements for remediation and construction projects.
Training and continuing education on building pollutants
Training and continuing education for employees on pollutants, building pollutants, and safe handling within renovation and deconstruction projects.
Trust & reputation

ranQ Trust Score of Wolter SDM AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 54% · As of October 2026

Wolter SDM 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.
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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%
Wolter SDM AG scores 70.4 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.64.612%
  • 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%
Wolter SDM AG scores 83.3 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).83.322%
Wolter SDM AG scores 6.6 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 35.6.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Wolter SDM AG reaches a ranQ Trust Score of 4.0 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 54%, 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.

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Location

St. Pantaleonstrasse 44
4413 Büren So

At a glance

Legal form
Corporation
UID
CHE-375.105.914
Founded
2021 · 5 years
Last commercial register change
October 28, 2021
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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