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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionKlotenEberhard Bau AG
Eberhard Bau AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Eberhard Bau AG provides construction services in civil engineering, demolition, contaminated-site remediation, construction-material recycling, building-material production and landfill management. The company operates a service centre, a construction-material recycling centre and a processing facility for construction waste, and offers logistics and material-supply services.

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Products & services

Industry:Building Construction
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Eberhard Bau AG

Excavation
Excavations from a single source: excavation, disposal of unpolluted or contaminated materials, excavation closures, open or closed dewatering measures, and pile foundations including the excavation base.
Deconstruction
Deconstruction of single-family homes, multi-family homes, industrial buildings and infrastructure buildings; consistent separation of deconstruction materials, material cycles and recovery of mineral construction waste.
Earthworks
Major earth shifting, ground improvement, landfill construction and recultivation works; soil works using surveying technology, special equipment and a fleet of machines according to soil protection guidelines.
Hydraulic engineering
Works on, in and at water: widening works, bed lowering, sediment relocation, revitalisations, watercourse modelling, engineering biology as well as timber and stone structures.
Transport infrastructure construction
Cut and fill, ground stabilisation, precise grading, road and path construction, airport traffic areas and high-performance transshipment areas made of roller-compacted concrete.
Trust & reputation

ranQ Trust Score of Eberhard Bau AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 100% · As of October 2026

Eberhard Bau AG scores 82.1 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.76.624%
  • 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.90.410%
  • 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.88.08%
Eberhard Bau AG scores 95.0 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.82.07%
Eberhard Bau 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%
Eberhard Bau AG scores 78.4 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.56.74%
Qualifications+0.00

Eberhard Bau AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.6 out of 5 stars from 34 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.6
of 5

Aggregated from 34 reviews across all connected sources

Sources
GGoogle4.634
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

July 16, 2026Media
«Wir bringen die PFAS aus dem Boden – aber danach haben wir keinen Boden mehr»
tagesanzeiger.ch
May 13, 2026Media
Eberhard Bau AG betreibt ersten Bagger mit Solardiesel von Synhelion
punkt4.info
February 3, 2026Media
Eberhard Bau setzt Solardiesel von Synhelion ein
punkt4.info
March 7, 2022Media
Oberglatt – Weltrekordhalter prüft E-Lastwagen von Eberhard
tagesanzeiger.ch
August 18, 2020Media
Eberhard Unternehmungen: Pioniere in Bau und Umwelt
baublatt.ch
July 10, 2019Media
Eberhard teilt sich in zwei Firmen auf
baublatt.ch

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Location

Steinackerstrasse 56
8302 Kloten
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.749.867
Founded
1987 · 39 years
Last commercial register change
June 19, 2025
Employees
21 to 50
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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.95.03%
    • Full methodology

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