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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesEngineerLucerneOEKAG Wassertechnik AG
OEKAG Wassertechnik AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

OEKAG Wassertechnik AG develops and supplies valve technology and systems for ventilation and drainage, including the OEKAG EnergyStop® product line with SDG for wastewater stacks and W MultiQ for flat-roof drainage. The company also provides solutions for sewage and rainwater systems, composting toilets, and engineering and patent services.

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Products & services

Industry:Engineer
✓ Offered3
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4.1/5

OEKAG Wassertechnik AG

OEKAG EnergyStop®
Valve technology for reducing heat losses via the open venting of the wastewater soil pipe; opens only when needed and improves the energy balance as well as climate protection.
Engineering
Concept consulting, planning and training in the field of water engineering; lectures on selected topics as well as sharing experience and water know-how.
Wastewater and rainwater systems
Consulting mandates for sand-and-plant filters and rainwater systems; construction was completed in 2017, and maintenance and upkeep are handled via a partner.
Trust & reputation

ranQ Trust Score of OEKAG Wassertechnik AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

OEKAG Wassertechnik 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%
OEKAG Wassertechnik AG scores 85.5 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.55.07%
OEKAG Wassertechnik AG scores 85.0 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).85.022%
OEKAG Wassertechnik AG scores 11.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.11.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

OEKAG Wassertechnik 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 November 2026.

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

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Location

Bodenhofterrasse 13a
6005 Lucerne

At a glance

Legal form
Corporation
UID
CHE-107.421.550
Founded
1992 · 34 years
Last commercial register change
June 5, 2009
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • LULucerne
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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