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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionSchlierenSikaBau AG, Zweigniederlassung Tief- und Untertagbau, Schlieren
SikaBau AG, Zweigniederlassung Tief- und Untertagbau, Schlieren Logo
Verified· 3 sourcesTrust Score
Summary

About the company

SikaBau AG, Zweigniederlassung Tief- und Untertagbau, Schlieren is a specialist company for waterproofing, structural protection and concrete repair in building and underground construction. Services include engineering and execution of waterproofing systems (white/yellow watertight concrete, membranes, liquid-applied systems), reservoir, tunnel and bridge waterproofing, injections, concrete repair, coatings, corrosion protection and structural strengthening.

AI-generated
Offering

Products & services

Industry:Building Construction
✓ Offered6
Waterproofing in underground construction
Single-layer partial and rain-umbrella waterproofing with plastic sealing membranes, single-layer pressure-retaining full waterproofing, two-layer P+I systems, spray-applied foils, and waterproofing for tunnels, adits and caverns.
Waterproofing in open-pit construction
Loose-laid waterproofing systems with plastic sealing membranes, non-undercutting fully bonded systems with two-component adhesive, non-undercutting bituminous sealing sheets and sprayed waterproofing membranes.
Maintenance and repair work
Bonding, grouted or sealing plastic injections, arch backing and filling with cement injections, sprayed fire-protection cladding and coatings for insufficient reinforcement cover.
Injection work
Sealing synthetic-resin injections for tunnels, adits, caverns, transport infrastructure, as well as joint sealing and injection work for drinking-water reservoirs, retention and wastewater basins.
Structural waterproofing for hydraulic structures
Joint sealing, areal groundwater waterproofing with plastic sealing membranes, and bitumen and plastic waterproofing works to protect against pressurised water.
Consulting in project development
Change of use, project planning and system development, as well as specifications of services and proposals for waterproofing and injection solutions.
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4.1/5

SikaBau AG, Zweigniederlassung Tief- und Untertagbau, Schlieren

Trust & reputation

ranQ Trust Score of SikaBau AG, Zweigniederlassung Tief- und Untertagbau, Schlieren: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

SikaBau AG, Zweigniederlassung Tief- und Untertagbau, Schlieren 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, Zweigniederlassung Tief- und Untertagbau, Schlieren scores 78.3 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.95.212%
  • 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%
SikaBau AG, Zweigniederlassung Tief- und Untertagbau, Schlieren 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%
SikaBau AG, Zweigniederlassung Tief- und Untertagbau, Schlieren 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, Zweigniederlassung Tief- und Untertagbau, Schlieren 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.

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Location

Reitmenstrasse 7
8952 Schlieren

At a glance

Legal form
Branch
UID
CHE-171.453.901
Founded
2013 · 13 years
Last commercial register change
March 14, 2022
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.76.06%
  • 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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