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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryRetail & CommerceBuilding materials dealerMendrisioPlastbau Constructions SA
Plastbau Constructions SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Plastbau Constructions SA provides PLASTBAU® technology, machinery and turnkey plants for producing precast building elements made of expanded polystyrene (EPS). Offerings include continuous/discontinuous and continuous system machines (H‑Series, D‑Series, Sintolam SC‑600), EPS ETICS panels and related start‑up, maintenance and technical support services.

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Service area

Offering

Products & services

Industry:Building materials dealer
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4.1/5

Plastbau Constructions SA

✓ Offered7
PLASTBAU construction system
EPS construction system with reinforced formwork, thermally and acoustically insulating and self-supporting; suitable for monolithic reinforced concrete structures, new builds, renovations and strengthening works.
PLASTBAU panel and production plants
Design and turnkey construction of plants for the production of EPS panels; energy sections, pre-expansion, EPS production and steel processing.
Self-supporting insulating floor slab PLASTBAU Metal
Self-supporting EPS floor slab panels for floors and roofs; insulation continuity, fast installation, light weight, roof ventilation and project-specific customisation.
PLASTBAU SIP
Insulating structural panels in EPS with galvanised steel profiles; for structural walls, exterior and interior walls, suspended ceilings, roofs, 2D/3D structures and prefabricated elements.
PLASTBAU 5 WALL
Construction system with two EPS panels and integrated steel bars; permanent insulating formwork for earthquake-resistant, passive and low-energy buildings.
PLASTBAU 3 WALL
Insulating formwork system in EPS for monolithic reinforced concrete walls; rapid installation, continuous thermal insulation, seismic resistance and reduced construction times.
PLASTBAU VIR
EPS roof panel reinforced with metal bars; ventilated and insulated roofs, easy installation, reduced weight, dimensions to specification and adaptability to different roof types.
Trust & reputation

ranQ Trust Score of Plastbau Constructions SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of November 2026

Plastbau Constructions SA scores 62.5 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.69.424%
  • 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.55.910%
  • 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.50.08%
Plastbau Constructions SA scores 85.5 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.55.07%
Plastbau Constructions SA scores 86.7 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).86.722%
Plastbau Constructions SA scores 40.0 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 35.40.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Plastbau Constructions SA reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.5 out of 5 stars from 8 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.5
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle4.58
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Via Stella 17
6850 Mendrisio
Opening hours
Mon
08:30 - 17:30
Tue
08:30 - 17:30
Wed
08:30 - 17:30
Thu
08:30 - 17:30
Fri
08:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-104.390.611
Founded
1996 · 30 years
Last commercial register change
February 21, 2025
Employees
1 to 10

Active in 1 of 26 cantons

  • TITicino
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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