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

About the company

Weiherhus-Kompost AG processes green waste into hygienized compost and soil products. The company operates composting facilities with quality control and a Bio Suisse “Knospe” certification, runs a biogas plant producing renewable energy, and sells products via webshop, self-service points, Big Bags and delivery.

AI-generated
Offering

Products & services

Industry:Waste Management Industry
✓ Offered7
Green waste intake
Acceptance of green waste, branch material, root stumps, manure, hay, straw, fermentation and press residues, as well as other organic materials for recycling and composting.
Sale of compost and soil
Sale of organic garden compost, Trogerde, potting soil for container plants, humus / Landerde, lawn soil, tree substrate, roof substrate, garden gravel chippings, lava granulate and bark ground-cover material.
Delivery service for compost and soil mixes
Delivery of compost and soil mixes in the Lucerne region and across regions, including preparation, loading and unloading at the desired location.
Self-service at the Komposthüsli
24-hour self-service for organic garden compost, Trogerde, lawn soil, potting soil for container plants and bark ground-cover material, with pre-filled bags and payment by cash or Twint.
Composting and quality compost
Professional composting of green waste into hygienised garden compost with sorting, rotting, post-ripening, quality checks and the Bio-Suisse-Knospe for the garden compost.
Biogas and green electricity production
Anaerobic digestion of organic materials to produce biogas and green electricity, with grid injection and use of the resulting heat for district heating.
Solar power production
Operation of a solar power plant with nearly 5'100 solar modules to produce solar electricity for households on the factory roof area.
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4.5/5

Weiherhus-Kompost AG

Trust & reputation

ranQ Trust Score of Weiherhus-Kompost AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Weiherhus-Kompost AG scores 91.3 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.86.524%
  • 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.100.010%
  • 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%
Weiherhus-Kompost AG scores 89.3 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.70.07%
Weiherhus-Kompost AG scores 85.0 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).85.022%
Weiherhus-Kompost AG scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Weiherhus-Kompost AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.8 out of 5 stars from 62 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
4.8
of 5

Aggregated from 62 reviews across all connected sources

Sources
GGoogle4.862
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Weiherhus 3
6102 Malters
Opening hours
Mon
07:15 - 12:00, 13:00 - 17:30
Tue
07:15 - 12:00, 13:00 - 17:30
Wed
07:15 - 12:00, 13:00 - 17:30
Thu
07:15 - 12:00, 13:00 - 17:30
Fri
07:15 - 12:00, 13:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-108.397.517
Founded
1999 · 27 years
Last commercial register change
March 12, 2026
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.
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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