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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSustainability SectorBexFondation Castanea
Fondation Castanea Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Castanea is the promotion and support of chestnut culture in Chablais, particularly through the maintenance and management of chestnut groves, the selection and production of chestnut plants, the conduct of experiments and research on various chestnut species and treatments, as well as the provision of facilities and infrastructure for the members of the cooperative, such as the Maison de la Châtaigne in Bex.

AI-generated
Offering

Products & services

Industry:Sustainability Sector
✓ Offered9
Management and maintenance of chestnut heritage
Management and maintenance of the Maison de la Châtaigne in Bex, of a pilot orchard for selecting and producing graft scions, and of the Clarines chestnut forest.
Rental hall at Maison de la Châtaigne
Rental of a 60-seat hall for meals, conferences or weekends, with an equipped kitchen, toilets, parking, wood heating and outdoor space.
Financial support for the revitalisation of chestnut groves
Financial grants for the revitalisation of chestnut groves in the cantons of Vaud and Valais, with guidance to the competent contacts.
Production of young plants
Production of young chestnut plants by autumn sowing, including site preparation, sowing, bird protection and spring care.
Chestnut grafting
Chestnut grafting to combine the compatibility of the rootstock with the quality of the scion, with advice on choosing the scion and storing it.
Advice on chestnut wood
Advice on the uses of chestnut wood, its natural resistance, its durability outdoors and its applications for structures, beams and stakes.
Information and awareness about chestnut cynips
Information about chestnut cynips, its distribution, its symptoms and the biological control methods mentioned on the site.
Information and treatment of chestnut canker
Information about bacterial chestnut canker, its effects, hypovirulent strains and the distribution of treatment doses for members.
Educational videos on chestnut cultivation
Educational videos on pruning, reproducing, grafting and planting the chestnut tree.
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4.2/5

Fondation Castanea

Trust & reputation

ranQ Trust Score of Fondation Castanea: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Fondation Castanea scores 72.5 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.79.224%
  • 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.58.610%
  • 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.70.08%
Fondation Castanea scores 88.6 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%
Fondation Castanea scores 85.0 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).85.022%
Fondation Castanea scores 13.7 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 35.13.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Fondation Castanea reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 9 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
4.9
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle4.99
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Route des Plans 10
1880 Bex

At a glance

Legal form
Foundation
UID
CHE-110.408.366
Founded
1999 · 27 years
Last commercial register change
January 20, 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.
97.0
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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