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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryGlass, Ceramics, Stone & Construction Materials IndustrySatignyPrelco Préfabrication d'Eléments de Construction SA
Prelco Préfabrication d'Eléments de Construction SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Prelco is the design and manufacture of custom-made, prefabricated concrete components for building construction, particularly facades, balconies, stairs and other building elements. The company specializes in the production of sandwich elements with a freely dilatable outer panel and offers solutions for the realization of high-quality residential buildings that are both technically and aesthetically demanding.

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Products & services

Industry:Glass, Ceramics, Stone & Construction Materials Industry
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4.2/5

Prelco Préfabrication d'Eléments de Construction SA

✓ Offered7
Custom concrete precast elements
Custom design and manufacture of concrete precast elements tailored to each project, in particular facades, balconies, staircases and other construction elements.
Concrete precast facades
Load-bearing, insulated and watertight concrete precast facades, with sandwich panels, integrated insulation and varied architectural finishes.
Concrete precast balconies
Precast concrete balconies integrated into construction projects, made to measure among the main products presented.
Concrete precast staircases
Custom-made concrete precast staircases for construction projects, integrated into the displayed product range.
Technical consulting and dimensioning studies
Design and dimensioning studies, taking into account static, seismic and acoustic constraints, optimising components according to project requirements.
High energy performance precast facades
Composite facades with integrated insulation, verification of the thermal transmittance coefficient, quick installation, durability and cost control over the life cycle.
Concrete finishes and materiality
Architectural concrete finishes, smooth, sandblasted, acid-etched, deactivated, polished or bush-hammered, with workshop coating in natural stone or ceramic.
Trust & reputation

ranQ Trust Score of Prelco Préfabrication d'Eléments de Construction SA: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Prelco Préfabrication d'Eléments de Construction 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%
Prelco Préfabrication d'Eléments de Construction 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%
Prelco Préfabrication d'Eléments de Construction SA scores 85.0 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).85.022%
Prelco Préfabrication d'Eléments de Construction SA scores 60.0 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 35.60.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Prelco Préfabrication d'Eléments de Construction SA reaches a ranQ Trust Score of 4.2 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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Comparisons

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Location

Route du Bois-de-Bay 21
1242 Satigny

At a glance

Legal form
Corporation
UID
CHE-107.755.034
Founded
1972 · 54 years
Last commercial register change
July 28, 2026
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.100.06%
  • 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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