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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryMechanical Engineering IndustrySierreMembratec SA
Membratec SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Membratec SA designs, constructs and markets treatment plants for the production of drinking water. The company has developed its own ultrafiltration process and supplies turnkey, custom systems — including mobile units, complex multi-barrier treatment trains, softening and industrial applications — and performs laboratory and pilot tests.

AI-generated
Offering

Products & services

Industry:Mechanical Engineering Industry
✓ Offered6
Membratec ultrafiltration
Ultrafiltration process for clarification and disinfection in a single step, with fully automated control, autonomous operation, integrated cleaning and automatic integrity testing.
Mobile units
Mobile units for rent or sale for potable water treatment by ultrafiltration in the event of a crisis, contamination or shortage; capacities UFM 16, UFM 24 and UFM 70.
Complex treatment trains
Multi-barrier treatment chains for raw water requiring several stages, designed to eliminate water-quality issues and ensure compliant drinking water.
Water softening
Water softening by nanofiltration or reverse osmosis to reduce hardness, sulphates and nitrates and remove micropollutants.
Industrial applications
Water treatment and treatment or recycling of wastewater solutions for industrial requirements in the chemical, food and agro-industrial, metallurgy and other sectors.
Micropollutants
Treatment solutions for trace substances of anthropogenic origin in surface and groundwater, with a case-by-case approach and dedicated technologies.
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4.0/5

Membratec SA

Trust & reputation

ranQ Trust Score of Membratec SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Membratec SA scores 53.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.70.824%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.27.910%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.35.08%
Membratec SA scores 89.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
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.70.07%
Membratec SA scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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%
Membratec SA scores 42.9 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 35.42.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Membratec SA reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Knowledge

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Location

Ecoparc de Daval C 1
3960 Sierre
Opening hours
Mon
08:00 - 17:30
Tue
08:00 - 17:30
Wed
08:00 - 17:30
Thu
08:00 - 17:30
Fri
08:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-108.650.952
Founded
1997 · 29 years
Last commercial register change
October 31, 2024
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.
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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