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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryCrafts & TradesPainterRhäzünsGipser Kost GmbH
Gipser Kost GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Gipser Kost GmbH carries out plastering and rendering work for interior and exterior spaces. Its services include external thermal insulation, drywall construction, acoustic ceilings, and renovation and refurbishment work.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Painter
✓ Offered7
General plastering work
Plastering work, base plaster, white plaster, finishing work, biological and mineral plasters, natural building materials, lime slurry abrasion, organically bound plasters, and decorative wall and ceiling design.
Special plastering work
Interior fit-out, installation walls, suspended ceilings, perforated board and acoustic ceilings, lightweight and partition wall systems, cladding, dry floor systems, sound insulation, solid plaster walls, and facing linings.
Plastered exterior thermal insulation
Facade insulation for all systems, external thermal insulation composite systems (ETICS), surface finishes from smooth to trowel-dash, plinth terminations, and stone render with a mineral, biocide-free surface.
Conversions and renovations
Conversions and renovations of occupied and unoccupied properties, including kitchen conversions, refurbishment of living space, facade renovation, crack repairs, water damage, and repairs to plaster ornaments/stucco work.
Clay plaster
Clay plaster for indoor areas and wet rooms, moisture-regulating and based on sand, clay, and silt; also documented for wall heating.
Clay-casein smoothing
Clay-casein coatings for indoor and outdoor areas, applied thinly to pre-treated substrates, free of harmful substances, with dirt- and water-repellent properties.
Acoustic ceilings
Acoustic and perforated board ceilings, sound-absorbing plaster boards, plasterboard ceilings, as well as solutions for room acoustics and sound insulation in dry construction.
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3.9/5

Gipser Kost GmbH

Trust & reputation

ranQ Trust Score of Gipser Kost GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of November 2026

Gipser Kost GmbH scores 56.6 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.70.824%
  • 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.27.910%
  • 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%
Gipser Kost GmbH scores 83.0 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%
Gipser Kost GmbH 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%
Gipser Kost GmbH scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gipser Kost GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 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
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Mulin Sura 4
7403 Rhäzüns
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-112.753.644
Founded
2006 · 20 years
Last commercial register change
October 17, 2025
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • GRRhäzüns
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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