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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesInwilSUSAG Unterlagsboden GmbH
SUSAG Unterlagsboden GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

SUSAG Unterlagsboden GmbH is a construction company that plans, supplies and installs underlayment floors and floor insulation. Its services include cement screed, calcium-sulfate flow screed, hard concrete, lightweight screed and levelling compounds for new builds, renovations and refurbishments.

AI-generated
Offering

Products & services

Industry:Specialized Construction Activities
✓ Offered8
Underlay floors / screeds
Subfloor underlays and screeds for residential, commercial and industrial construction, including installation with or without underfloor heating, for balconies and terraces as well.
Floor insulation
Thermal insulation, impact-sound insulation and waterproofing against rising damp as a base for floating screeds and insulated floors.
Cement screed
Floating cement screed on floor insulation with or without underfloor heating, conventionally installed for residential, industrial, balcony and terrace areas.
Calcium sulfate screed
Calcium sulfate screeds and flowing calcium sulfate screeds for residential, commercial and light industrial construction, with or without underfloor heating, including fast-drying or low-drying variants.
Bonded cement and stair screed
Bonded screeds and stair toppings for basements, parking garages and stairways without increased load, without insulation or separation layer.
Hard concrete
Hard concrete either bonded or floating for parking garages, ramps, industrial buildings, balconies and terraces.
Lightweight screed
Lightweight screed as Styroporbeton, Styro schnell or Schaumbeton for lightweight levelling and build-up constructions.
Spackling compound and thin screed
Spackling compounds and thin screeds for slim renovation floors in the millimetre range, heated or unheated, on insulation or in bonded construction.
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3.7/5

SUSAG Unterlagsboden GmbH

Trust & reputation

ranQ Trust Score of SUSAG Unterlagsboden GmbH: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

SUSAG Unterlagsboden GmbH scores 49.8 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.35.08%
SUSAG Unterlagsboden GmbH scores 74.1 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.79.212%
  • 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%
SUSAG Unterlagsboden GmbH scores 83.3 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).83.322%
SUSAG Unterlagsboden GmbH scores 13.4 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 35.13.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

SUSAG Unterlagsboden GmbH 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.

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Location

Industriestrasse 59
6034 Inwil

At a glance

Legal form
Limited Liability Company
UID
CHE-364.874.210
Founded
2018 · 8 years
Last commercial register change
April 1, 2026
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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