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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryIndustryMetal IndustryAesch BlBWT AQUA AG
BWT AQUA AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of BWT is the development and manufacture of modern water treatment systems and services for various applications, including drinking water, process water, swimming pool water, and particularly water for the pharmaceutical and biotechnological industry (WFI - Water for Injection). The company focuses on developing economic and environmentally friendly products that save resources and energy and reduce CO2 emissions.

AI-generated
Offering

Products & services

Industry:Metal Industry
✓ Offered2
Water Treatment for Buildings and Industry
Treatment of drinking water, boiler water, cooling and air-conditioning water, heating water, and process and purified water; water analysis, commissioning, and maintenance of treatment plants.
Purified Water Systems for Pharma and Biotech
Systems for the production, storage, and distribution of Purified Water, Water for Injection, and Pure Steam; including OSMOTRON, SEPTRON, and life-cycle services.
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4.1/5

BWT AQUA AG

Trust & reputation

ranQ Trust Score of BWT AQUA AG: 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.

BWT AQUA 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%
BWT AQUA AG scores 95.8 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.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 AQUA 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%
BWT AQUA AG scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

BWT AQUA 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 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

Hauptstrasse 192
4147 Aesch Bl

At a glance

Legal form
Corporation
UID
CHE-109.549.474
Founded
2002 · 24 years
Last commercial register change
July 9, 2025
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.
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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