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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentWaste Management IndustryLufingenDHZ AG
DHZ AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of DHZ AG is the disposal and recycling of waste, particularly through the operation of landfills and the processing of materials. The company offers services such as logistics, infrastructure and landfill expansion, and has specialized processes like supersort to recycle materials and reintroduce them into the product cycle.

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Offering

Products & services

Industry:Waste Management Industry
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DHZ AG

✓ Offered8
Landfill
Landfill for legally compliant mineral materials of types C, D and E; acceptance, registration and monitoring of the delivered materials at the Häuli site in Lufingen.
supersort®technology
Processing of metal-containing waste and incinerator bottom ash; recovery of metals and organic materials using the supersort®, supersort®fine and supersort®metal plants.
Buying and selling of recycling materials
Buying and selling of recycling materials from Switzerland and from third markets; processing of metal-containing materials into products for direct use in the smelter.
Transport and logistics solutions
Transport and logistics solutions for deliveries and removals; tender and logistics concepts, collaboration with established logistics partners, combined transport by rail or by ship.
supersort®metal
Dry processing of non-ferrous metal concentrates, shredder residues and other metal-containing waste; separation into light- and heavy-metal fractions.
supersort®fine pss
Processing of the fine slag fraction under 5 mm; classification of wet materials and production of a non-ferrous metal-rich concentrate with a remaining fraction that can be further used.
supersort®lab
Analysis of metals in waste streams; incoming inspections, process monitoring, quality management and sample preparation using X-ray fluorescence, sieving, sorting and melting.
Dust removal
Dust removal for the Supersort plants; cleaning of air flows, extraction at transfer points and explosion-protected dust removal for supersort®metal.
Trust & reputation

ranQ Trust Score of DHZ AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 100% · As of October 2026

DHZ AG scores 76.1 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.73.524%
  • 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.67.110%
  • 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.95.08%
DHZ AG scores 92.3 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.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%
DHZ 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%
DHZ AG scores 47.4 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 35.71.44%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.23.34%
Qualifications+0.00

DHZ AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 13 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 13 reviews across all connected sources

Sources
GGoogle4.613
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

February 14, 2025Media
Geplante Deponie in Rafz: Warum die Bevölkerung die «falsche» Deponie besichtigt
tagesanzeiger.ch
July 10, 2019Media
Eberhard teilt sich in zwei Firmen auf
baublatt.ch

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Location

Deponiestrasse 1
8426 Lufingen
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 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-115.298.116
Founded
2009 · 17 years
Last commercial register change
July 2, 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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