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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSealing & InsulationPfäffikon SzGESA Abdichtungen GmbH
GESA Abdichtungen GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

GESA Abdichtungen GmbH carries out waterproofing and surface-coating work. Its services include terraces and balconies, liquid-applied membranes, swimming pools, stone-carpet coatings, industrial floors, flat roofs, joint sealing, mold remediation and pressure injections.

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Products & services

Industry:Sealing & Insulation
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3.8/5

GESA Abdichtungen GmbH

✓ Offered
9
Waterproofing of Terraces & Balconies
Balcony and terrace coating with liquid plastic, seamless and permanently watertight; crack-bridging, UV- and weather-resistant, available in different colours, surface textures and slip-resistant finishes.
Flat Roof Waterproofing
Bituminous waterproofing for flat roofs, single- and two-layer; new builds and refurbishments, detail connections and penetrations, vapour barriers, thermal insulation, formation of falls as well as repairs and maintenance works.
Swimming Pool Waterproofing
Waterproofing and coating of swimming basins with GRP/polyester; re-coating, refurbishment of existing pools, repair of cracks and leaks, as well as detail connections, steps and pool edges.
Joint Waterproofing
Silicone joints, Combiflex and liquid plastic for connections, transitions and movement joints; sealing of joints, cracks, component connections as well as complex details and hard-to-access areas.
Pressure Injections
Targeted internal sealing using pressure injections; closing voids, cracks and leaking spots with special resins or gels, without extensive demolition works.
Refurbishment Works
Refurbishment works related to waterproofing, coatings and surfaces; sealing balconies and terraces, flat roof refurbishment, liquid plastic systems, crack repairs, substrate preparation and detail connections.
Stair Waterproofing
Waterproofing of stair coverings with liquid plastic for outdoor areas; seamless, flexible solution to protect against weathering and mechanical stress.
Floor Coatings
Floor coatings and markings for apartments, garages and commercial areas; robust, easy-care surfaces for new builds and refurbishments.
Decorative Flooring (Microcement)
Seamless microcement floor and wall finishes, especially for bathrooms; for showers and wet rooms, renovations without removing tiles, waterproof, durable and available in different colours and textures.
Trust & reputation

ranQ Trust Score of GESA Abdichtungen GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 96% · As of October 2026

GESA Abdichtungen GmbH scores 51.1 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.60.724%
  • 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.40.910%
  • 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.35.08%
GESA Abdichtungen GmbH scores 79.4 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.83.012%
  • 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%
GESA Abdichtungen GmbH 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%
GESA Abdichtungen GmbH scores 1.1 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.1.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GESA Abdichtungen GmbH reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 out of 5 stars from 4 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
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle44
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Birchweidstrasse 6
8808 Pfäffikon Sz
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-366.316.599
Founded
2017 · 9 years
Last commercial register change
March 2, 2017
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.
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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