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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsGrattavacheVuagniaux ingénieur Sàrl
Vuagniaux ingénieur Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Vuagniaux ingénieur Sàrl is an engineering firm specialising in structural engineering and load-bearing analyses. Services include structural design and budgeting, static calculations, tender and execution documentation, construction supervision, and assessments of existing structures such as seismic studies and reinforcement plans.

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Products & services

Industry:Civil Engineering Firms
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Vuagniaux ingénieur Sàrl

Civil engineering services
Design, calculation and verification of structures in reinforced concrete, steel and timber according to SIA standards for new builds, renovations and assessments.
New builds
Design of the supporting structure, structural calculations, cost estimates, tenders, execution plans, technical management, site monitoring and acceptance.
Renovations & assessments
Assessment of existing structures, analysis of load-bearing capacity, seismic checks, strengthening solutions, openings, load transfer and cost estimates for restoration works.
Water & permits
Sizing of retention and infiltration systems, drainage pipeline plans, submission files for the public inquiry for the water section, calculation of flow rates and regulators, coordination with the municipal services.
Trust & reputation

ranQ Trust Score of Vuagniaux ingénieur Sàrl: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

Vuagniaux ingénieur Sàrl scores 61.3 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.68.224%
  • 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.17.610%
  • 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.95.08%
Vuagniaux ingénieur Sàrl scores 57.1 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.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%
Vuagniaux ingénieur Sàrl 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%
Vuagniaux ingénieur Sàrl scores 0.3 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 35.0.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Vuagniaux ingénieur Sàrl reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 5.0 out of 5 stars from 1 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Chemin de la Cretta 26
1624 Grattavache
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-416.181.033
Founded
2024 · 2 years
Last commercial register change
February 28, 2024
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.
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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