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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesResearch & DevelopmentWidnauBiofermenta Schweiz AG
Biofermenta Schweiz AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Biofermenta Schweiz AG provides biological water-treatment solutions for swimming pools under the BioWaterPool brand, supplying patented filter systems (e.g., highFLOW, FlowBlow, FLOWBOX, downflow) and related water-treatment products. The company also offers consulting, technical services, installation and maintenance, and sells pool and natural-pool components via an online shop.

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Products & services

Industry:Research & DevelopmentTechnical Consulting & Engineering
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4.1/5

Biofermenta Schweiz AG

✓ Offered5
Biological water treatment
Biological water treatment for BioWaterPools, swimming ponds and natural pools; crystal-clear water without chemicals with patented filtration systems, biofilm cleaning and mineral substrates.
Technical consulting and project support
Technical consulting for the planning and construction implementation of BioWaterPools, support by technicians, as well as referral and coordination with partners.
Services for installation and seasonal operation
Services for pool filling with a reverse osmosis system, as well as flat-rate start-up and winterization fees, and support during the installation of the filtration systems.
Quality management and system testing
Quality management with water analysis, gravel analysis and arranging inspections of the system through the Allgemeiner Schwimmteich Club.
Partner referral for BioWaterPool projects
Referral to local BioWaterPool partners for implementing pool projects, including consulting, project handling and follow-up.
Trust & reputation

ranQ Trust Score of Biofermenta Schweiz AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Biofermenta Schweiz 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%
Biofermenta Schweiz 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%
Biofermenta Schweiz 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%
Biofermenta Schweiz AG scores 82.9 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 35.82.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Biofermenta Schweiz 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

Espenstrasse 21
9443 Widnau

At a glance

Legal form
Corporation
UID
CHE-181.846.030
Founded
2011 · 15 years
Last commercial register change
October 5, 2016
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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