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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionLenzburgSikaBau AG
SikaBau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

SikaBau AG is a specialist company for waterproofing, building protection and structural repair. It performs specialist works in building and civil engineering and provides services such as liquid-applied and membrane waterproofing, concrete repair and protection, injections, corrosion protection, resin and car-park coatings, joint sealing, tunnel/bridge and reservoir waterproofing, and engineering for reinforcement and sealing systems.

AI-generated
Offering

Products & services

Industry:Building Construction
✓ Offered10
Building waterproofing
Waterproofing with liquid plastic, injections, joint tapes, membranes, joint sealing compounds and bitumen sheets; cementitious waterproofing and high-reactivity liquid plastic waterproofing.
Watertight concrete structures
Waterproofing systems Yellow Tank and White Tank with extended warranty; project-specific consulting, construction supervision and execution.
Infrastructure structures
Crack-bridging, wear-resistant and slip-resistant coatings, parking-deck coatings, structural strengthening, concrete maintenance and repair, impregnation, hydrophobization and paintwork.
Buildings, façades
Concrete maintenance and repair, impregnation, hydrophobization and paintwork, balcony coatings, masonry restoration.
Industry, commercial and workshops
Seamless decorative floor and wall coatings, under-casting and grouting works, paints and coatings, structural strengthening, joint repairs with joint profiles, re-fer-System.
Advisory services in project development
Changes of use, project planning and system development, specifications of services and offers.
Food industry and gastronomy
Decorative seamless floor coverings and food-compatible coatings.
Drinking-water reservoirs, retention and wastewater basins
Waterproofing and protective coatings, drinking-water coatings.
Public and private swimming pools
Maintenance and repair works, waterproofing and protective coatings, protective coatings for functional pools.
Tunnels, adits and caverns
Waterproofing in surface and underground construction, maintenance and repair works, shotcrete works.
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4.1/5

SikaBau AG

Trust & reputation

ranQ Trust Score of SikaBau AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · 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 85.0 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).85.022%
SikaBau AG scores 100.0 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: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

SikaBau AG 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 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
4.5
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.

Knowledge

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Comparisons

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Location

Industriestrasse 36
5600 Lenzburg

At a glance

Legal form
Branch
UID
CHE-251.312.155
Founded
2000 · 26 years
Last commercial register change
February 3, 2025
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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