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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentWaste Management IndustryPieterlenAST Birrer GmbH
AST Birrer GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of AST-Birrer GmbH is the collection, transportation and disposal of special waste, in particular oil-containing waste. The company offers a 24-hour emergency service for the collection and disposal of special waste, supporting both private customers and public institutions such as fire departments and police forces.

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Products & services

Industry:Waste Management IndustryLogistics & Transport Companies
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4.2/5

AST Birrer GmbH

✓ Offered5
Special waste disposal
Suction, collection, transport and disposal of liquid, semi-liquid and solid special waste, including technically demanding onsite operations and emergency interventions.
Special waste transport
Nationwide and international transport of special waste, including liquid special waste, pallet freight and dangerous goods, with legally compliant further processing.
Suction and collection of special waste
Suction of liquid and semi-liquid special waste directly onsite, collection of pallet freight and packaged special waste, including in hard-to-reach locations.
24/7 emergency service
Immediate response to flooding, leaks, chemical incidents and exposure to firefighting water; available 24 hours a day, in cooperation with the fire brigade and authorities.
Vacuum suction work and special assignments
Vacuum suction work and technical special assignments such as tank cleaning, tank inspections, cleaning of machines and plants, oil separator service and high-pressure water jet cleaning.
Trust & reputation

ranQ Trust Score of AST Birrer GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

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Data basis 96% · As of October 2026

AST Birrer GmbH scores 72.7 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.80.624%
  • 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.55.910%
  • 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.70.08%
AST Birrer GmbH scores 86.7 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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.70.07%
AST Birrer GmbH scores 83.3 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).83.322%
AST Birrer GmbH scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

AST Birrer GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 8 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
5
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle58
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Boole 5
2542 Pieterlen
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Limited Liability Company
UID
CHE-108.197.289
Founded
1995 · 31 years
Last commercial register change
December 11, 2025
Employees
11 to 20
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.
88.0
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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