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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentWaste Management IndustryZuzwil SgStefan Eberhard AG
Stefan Eberhard AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Stefan Eberhard AG provides circular-economy and recycling services, including recovery, processing and marketing of recyclable materials, transport logistics, and compliant landfill disposal of non-recoverable residues. As part of the sehag‑Gruppe the company develops business models focused on resource conservation and material reuse.

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Products & services

Industry:Waste Management Industry
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4.1/5

Stefan Eberhard AG

✓ Offered
9
Circular economy
Comprehensive concepts for resource conservation and reuse, recovering valuable materials from waste and returning them to the materials cycle.
Recycling
Recovery and processing of recyclable materials from a wide variety of waste, with the aim of making materials usable again.
Logistics
Efficient transport solutions with state-of-the-art vehicle technology for the collection, transport and onward transfer of materials.
Landfills
Safe final disposal of non-recoverable residues according to environmental standards, when further treatment or recovery is not possible.
Building materials
Manufacturing and distribution of building materials from processed materials, complemented by the use of recovered substances.
Recyclable materials
Recovery, refinement and marketing of recyclable raw materials from waste and residues.
Processing technologies
Development of processes for material separation and recycling to process material flows efficiently.
Natural stones
Extraction, processing and distribution of natural stones for various construction projects and applications.
Real estate
Management and development of real estate projects for long-term value creation within the group.
Trust & reputation

ranQ Trust Score of Stefan Eberhard AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Stefan Eberhard AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Stefan Eberhard AG scores 83.4 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.79.212%
  • 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.82.07%
Stefan Eberhard AG scores 86.7 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).86.722%
Stefan Eberhard AG scores 43.6 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 35.77.14%
  • 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

Stefan Eberhard AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 58%, 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.

Press

Media

January 17, 2023Media
Zürcher Kies und Transport AG sorgt für Full House bei WPO-Partnerschaften
leaderdigital.ch
July 15, 2021Media
Zürcher Kies und Transport AG erneuert Flotte
tir-transnews.ch

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Location

Henauerstrasse 2
9524 Zuzwil Sg
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 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-338.116.055
Founded
2018 · 8 years
Last commercial register change
June 25, 2026
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.70.03%
    • Full methodology

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