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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,888 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionOberburgO. Mäder Schadstoffsanierung GmbH
O. Mäder Schadstoffsanierung GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of O. MÄDER AG is the provision of services in the construction industry, particularly in the areas of: building construction, civil engineering, renovation and refurbishment, customer-specific masonry work, concrete demolition, drilling, cutting, breaking and pressing of concrete, machine and equipment rental, chimney renovation, sealing, coating work, industrial flooring, rock cleaning (work on climbing ropes), exploratory drilling for site investigation, steel structures, consulting and planning. The company thus offers a wide range of services in the construction industry and positions itself as a full-service provider in this field.

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Products & services

Industry:Building Construction
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O. Mäder Schadstoffsanierung GmbH

Civil Engineering
Masonry Work
✓ Offered6
Hazardous material remediation
Hazardous material remediation in the Emmental-Oberaargau region; remediation of pollutant-contaminated building components and construction sites in connection with conversions and dismantling work.
Building construction
Building construction, civil engineering, conversions, stream bank protection, outdoor works, renovations, maintenance work and demolition work, as well as advice and planning.
Civil engineering
Civil engineering, conversions, stream bank protection, outdoor works, renovations, maintenance work and demolition work, as well as borehole surveys for subsoil investigation, steel structures and advice.
Conversions and refurbishment
Conversions, renovations, concrete restorations, chimney restorations and waterproofing on existing structures, as well as accompanying maintenance and demolition work.
Masonry works for clients
Minor repairs and major conversions carried out by client-oriented masons, including motivated, efficient work for private and commercial clients.
Concrete demolition
Demolition work, core drilling, concrete cutting, concrete bursting and concrete pressing for controlled dismantling of concrete components.
Trust & reputation

ranQ Trust Score of O. Mäder Schadstoffsanierung GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

O. Mäder Schadstoffsanierung 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.
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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%
O. Mäder Schadstoffsanierung GmbH scores 79.4 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.83.012%
  • 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.70.07%
O. Mäder Schadstoffsanierung GmbH 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%
O. Mäder Schadstoffsanierung GmbH scores 80.0 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 35.80.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

O. Mäder Schadstoffsanierung GmbH 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 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.

Knowledge

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Location

Krauchthalstrasse 19
3414 Oberburg

At a glance

Legal form
Limited Liability Company
UID
CHE-303.494.108
Founded
2017 · 9 years
Last commercial register change
January 6, 2025
Employees
11 to 20
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.88.06%
  • 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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