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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionChurSikaBau AG
SikaBau AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

SikaBau AG is a specialist firm for waterproofing, structural protection and building repair. The company carries out specialist works in building and civil engineering, offering services such as liquid-applied and membrane waterproofing (including ‘white’/‘yellow’ tank systems), concrete repair, corrosion protection, floor and wall coatings, injections and structural strengthening including tunnel waterproofing.

AI-generated
Offering

Products & services

Industry:Building Construction
✓ Offered10
Structural waterproofing
Waterproofing with liquid plastic, injections, joint tapes, membranes, joint sealants and bituminous sheets; cementitious waterproofing, also for new-build and refurbishment.
Watertight concrete structures
Waterproofing systems Yellow Tank and White Tank with extended warranty, plus project-specific consulting, site supervision and execution.
Infrastructure structures
Crack-bridging, abrasion-resistant and slip-resistant coatings, parking-deck coatings, structural strengthening, concrete maintenance and repair, impregnation, hydrophobic treatments and paints.
Buildings and facades
Concrete maintenance and repair, impregnation, hydrophobic treatments and paints, balcony coatings as well as masonry restoration.
Industrial, commercial and workshop floors
Seamless, decorative floor and wall coatings, grouting and encapsulation works, paints and coatings, as well as structural strengthening.
Floors and coatings for the food industry and gastronomy
Seamless, decorative floor coverings, food-safe coatings, as well as thermal insulation and cold-room waterproofing.
Waterproofing and protective coatings for drinking-water reservoirs and basins
Waterproofing and protective coatings for drinking-water reservoirs, retention and wastewater basins, and drinking-water coatings.
Swimming pool waterproofing
Maintenance and repair work, as well as waterproofing and protective coatings for public and private swimming pools.
Advisory for project development
Change of use, project planning and system development, as well as specifications of services and offers.
Waterproofing in tunnel, adit and cavern construction
Waterproofing for open-cut and underground construction, single-layer partial and umbrella waterproofing systems, as well as pressure-retaining full waterproofing with plastic sealing membranes.
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4.0/5

SikaBau AG

Trust & reputation

ranQ Trust Score of SikaBau AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 100% · As of October 2026

SikaBau AG scores 63.4 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.67.924%
  • 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.78.08%
SikaBau AG scores 80.4 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.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%
SikaBau AG 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%
SikaBau AG scores 55.0 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

SikaBau AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.5 out of 5 stars from 4 customer reviews. As of October 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 4 reviews across all connected sources

Sources
GGoogle4.54
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

October 2, 2020Media
Grossratskandidat mit Nahtoderfahrung: Beat Fehlmann (SVP) will sein Leben in den Dienst für andere stellen
aargauerzeitung.ch

Knowledge

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Location

Industriestrasse 9b
7007 Chur

At a glance

Legal form
Branch
UID
CHE-288.620.763
Founded
2000 · 26 years
Last commercial register change
February 9, 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.
76.0
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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