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

About the company

The core activity of Biomassehof AG is the composting of organic materials and the production of tree soil mixtures, which serve as a basis for sustainable soil care. The company develops and produces special soil mixtures tailored to regional needs, aiming to promote and improve soil quality in the long term.

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Products & services

Industry:Waste Management Industry
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4.4/5

Biomassehof AG

✓ Offered4
Acceptance of Green Waste and Biomass
Acceptance of green waste, branches, trunks, hay, root stumps, contaminated humus and excavated material at the Winterthur and Winkel sites.
Substrates
Substrates for tree pits, perennial plantings and gravel lawns, including perennial substrate, GSZ tree substrate A1/A2/B as well as tree substrate Winterthur for buildable and non-buildable areas.
Bagged Goods
Bagged goods for the garden and plants, including sowing soil, balcony and raised-bed soil, vegetable soil, garden humus, moor bed soil, universal soil, compost, plant charcoal and fertilisers.
Delivery
Delivery of all products to the construction site or to home addresses: small quantities by car and tipping trailer, and large quantities by truck or in Big Bags.
Trust & reputation

ranQ Trust Score of Biomassehof AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Biomassehof AG scores 83.4 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.95.08%
Biomassehof 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%
Biomassehof 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%
Biomassehof AG scores 60.0 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 35.60.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Biomassehof AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 34 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
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.

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Comparisons

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Location

Zürcherstrasse 350
8406 Winterthur
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-440.589.570
Founded
2011 · 15 years
Last commercial register change
December 21, 2020
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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