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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryIndustryMechanical engineeringSavagnierDreissena systems Sàrl
Dreissena systems Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Dreissena systems Sàrl provides environmental engineering services focused on preventing and controlling quagga mussel infestations, offering mechanical, non‑biocidal systems that prevent mollusc settlement on intake screens and inside pipelines. The system is compatible with a range of intake sizes, operates autonomously and is supplied with maintenance services.

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Products & services

Industry:Mechanical engineering
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3.8/5

Dreissena systems Sàrl

✓ Offered
3
Mechanical protection solution against the quagga mussel
Preventive mechanical device at the inlet of water pipes, preventing molluscs from settling on the strainers and their spread in the networks.
Environmental engineering for managing strainers and water networks
Environmental engineering services to improve water resource management, facilitate strainer maintenance and protect hydraulic infrastructure.
Maintenance of the Dreissena system
Maintenance service for an autonomous system, accessible remotely by a technician, with monitoring in case of malfunction and operations support.
Trust & reputation

ranQ Trust Score of Dreissena systems Sàrl: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 54% · As of November 2026

Dreissena systems Sàrl 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%
Dreissena systems Sàrl scores 57.1 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.39.612%
  • 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%
Dreissena systems Sàrl 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%
Dreissena systems Sàrl scores 2.6 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 35.2.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Dreissena systems Sàrl reaches a ranQ Trust Score of 3.8 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

Chemin Champey 16
2065 Savagnier

At a glance

Legal form
Limited Liability Company
UID
CHE-401.334.368
Founded
2024 · 2 years
Last commercial register change
August 27, 2026
Employees
1 to 10

Active in 1 of 26 cantons

  • NENeuchâtel
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.
88.0
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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