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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSealing & InsulationEvionnazPHIDA Étanchéité (VS) SA
PHIDA Étanchéité (VS) SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

PHIDA Étanchéité (VS) SA specializes in waterproofing and thermal insulation for flat roofs, terraces, facades and industrial buildings. Services include bituminous and synthetic membrane systems, green roofs, photovoltaic roof preparation, maintenance, leak detection and assistance with subsidy applications.

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Products & services

Industry:Sealing & Insulation
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4.3/5

PHIDA Étanchéité (VS) SA

✓ Offered7
Waterproofing
Waterproofing and insulation of flat roofs, terraces, walls, building facades for apartment blocks, single-family homes and industrial buildings, new-build and renovation.
Sheet metal works and roofing
Sheet metal works and roofing for pitched roofs, with specialised services for durable and aesthetic building protection.
Resin
Jointless resin floor coating made of synthetic resin, waterproofing of balconies, special waterproofing solutions, terrazzo, béton ciré, surface preparation and treatment.
Facade
Ventilated facades with different systems for apartment buildings and other structures, from design to completion.
Sanitary installations
Installation of sanitary equipment, taps and pipes, with breakdown assistance and on-site intervention, including domestic hot water production.
Expertise
Engineering office, roof diagnostics, drawings, calculations, tender documents, technical support and specific training.
Subsidies
Assistance with administrative procedures to obtain subsidies related to roof renovation and energy.
Trust & reputation

ranQ Trust Score of PHIDA Étanchéité (VS) SA: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

PHIDA Étanchéité (VS) SA scores 69.2 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.65.024%
  • 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.72.110%
  • 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.78.08%
PHIDA Étanchéité (VS) SA scores 92.3 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.82.07%
PHIDA Étanchéité (VS) 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%
PHIDA Étanchéité (VS) SA scores 85.7 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 35.85.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

PHIDA Étanchéité (VS) SA reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.3 out of 5 stars from 16 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
4.3
of 5

Aggregated from 16 reviews across all connected sources

Sources
GGoogle4.316
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Route du Simplon 14
1902 Evionnaz

At a glance

Legal form
Corporation
UID
CHE-103.167.708
Founded
1997 · 29 years
Last commercial register change
December 24, 2025
Employees
21 to 50
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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