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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingBiel/BienneE. Vauclair SA
E. Vauclair SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of e.Vauclair sa encompasses the planning, installation, maintenance and repair of building technology and building envelope systems, including: Sanitary technology (new construction, renovation, modernization, service, maintenance and repair), Heating technology (repair, new construction, renovation, modernization, service, maintenance and repair), Sheet metal technology (new construction, renovation, service, maintenance and repair), Roofing (new construction, renovation, modernization, sealing and repairs), Flat roof renovations (new construction, renovation, service, maintenance and repair), Electric charging stations (planning and installation), Solar technology (new construction, renovation, service, maintenance and repair), Heat pumps and solar systems (installation and service). The company also offers emergency and maintenance services and is a member of the suissetec building technology association.

AI-generated
Offering

Products & services

Industry:RoofingSheet Metal Work
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4.0/5

E. Vauclair SA

✓ Offered8
Sanitary installations
Sanitary installations for new builds, conversions and renovations; service, maintenance and repairs, as well as descaling and advice.
Heating systems
Heating systems for new builds, conversions and renovations; service, maintenance and repairs with a focus on heat pumps (air and water).
Solar technology
Solar systems for new builds and existing buildings; service, maintenance and repairs, as well as photovoltaic modules and energy storage.
Sheet metal work
Sheet metal work for new builds and renovations; service, maintenance and repairs of gutters, cladding, dormers, sheet-metal roofs and lightning protection.
Roofing
Roofing for new builds, conversions and renovations; waterproofing, repairs, as well as inspection, cleaning and maintenance of pitched and flat roofs.
Roof and building envelopes
Roof and building envelopes for new builds, renovations and repairs; façade systems made of copper or zinc, custom-fabricated in the workshop to measure.
Chimney relining
Chimney relining with flue liners made of stainless steel and PP.
Consulting
Consulting for new builds, renovations and repairs; project planning, calculation of quotations and tenders, installation, maintenance and service.
Trust & reputation

ranQ Trust Score of E. Vauclair SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

E. Vauclair SA scores 58.9 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.45.324%
  • 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.76.210%
  • 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%
E. Vauclair 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%
E. Vauclair 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%
E. Vauclair SA scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

E. Vauclair SA reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 3.7 out of 5 stars from 19 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
3.7
of 5

Aggregated from 19 reviews across all connected sources

Sources
GGoogle3.719
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Westerholz 5
2504 Biel/Bienne
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 15:45
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.175.397
Founded
1973 · 53 years
Last commercial register change
October 3, 2019
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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