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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringSchönenberg ZhBill Biofilter AG
Bill Biofilter AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Bill Biofilter AG is the development and implementation of solutions for biological air purification, particularly in the areas of wastewater treatment, composting, biogas, chemical industry, slaughterhouses, animal by-product processing, animal feed production, food industry, tobacco industry and paper industry. The company offers turnkey plants with the latest technology and advises customers on the selection of the most cost-effective disposal options for organic materials.

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Products & services

Industry:Technical Consulting & EngineeringWaste Management Industry
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3.7/5

Bill Biofilter AG

✓ Offered6
Biofilter
Biofilters with and without integrated pre-scrubber; polyethylene biofilters or as surface biofilters in concrete basins; delivery, replacement, and installation and removal of filter media.
Exhaust air scrubbers
Cross-flow and counter-flow scrubbers as well as chemical and biological scrubbers for exhaust air treatment; selecting the appropriate process depending on the plant requirements.
Grate systems
Grate systems as part of the offering for biofilter plants and exhaust air treatment; used together with different filter and plant concepts.
Filter cartridges
Filter cartridges for exhaust and filtration systems; delivery and use in connection with biological exhaust air treatment and plant maintenance.
Organic raw materials
Organic raw materials and horticultural substrates, supplemented by various biofilter media such as Kokosmix, root wood and mixtures of bark/wood chips.
Consulting and disposal
Consulting on agrotechnical matters as well as support in selecting the most cost-effective disposal options for organic materials.
Trust & reputation

ranQ Trust Score of Bill Biofilter AG: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

Bill Biofilter AG scores 39.4 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.50.024%
  • 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.17.610%
  • 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.35.08%
Bill Biofilter AG scores 85.5 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.55.07%
Bill Biofilter AG 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%
Bill Biofilter AG scores 1.4 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 35.1.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bill Biofilter AG reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 1.0 out of 5 stars from 1 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
1
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle11
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hüttnerstrasse 9
8824 Schönenberg Zh

At a glance

Legal form
Corporation
UID
CHE-105.023.730
Founded
1999 · 27 years
Last commercial register change
January 15, 2019
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.
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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