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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryArts, Culture & RecreationCultural & Educational OrganizationsSierreFondation Château Mercier
Fondation Château Mercier Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Fondation Château Mercier manages Château Mercier, its dependencies, park and art collection, and is responsible for their conservation and use for cultural and artistic purposes. The foundation organises a programme of concerts, literary meetings and exhibitions, maintains a historic art collection and provides spaces for seminars, receptions and artist residencies.

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4.6/5

Fondation Château Mercier

Industry:Cultural & Educational Organizations
✓ Offered4
Cultural programming
Concerts, meet-ups, conferences and heritage visits in a cultural calendar open to everyone, with classical, jazz and contemporary concerts, festivals and local partnerships.
Seminars
Corporate seminars in a heritage setting, to work, listen and think differently; organisation of seminars and hosting of professional groups.
Private events
Weddings, family reunions and intimate celebrations in a castle setting, with support to organise and privatise the event.
Writing residencies
Residencies at the Villa for writers, with calls for applications and the creation of new narrations—musical, scenographic or digital.
Trust & reputation

ranQ Trust Score of Fondation Château Mercier: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 100% · As of October 2026

Fondation Château Mercier scores 90.7 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.83.824%
  • 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.100.08%
Fondation Château Mercier 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 Château Mercier scores 86.7 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).86.722%
Fondation Château Mercier scores 75.5 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 35.94.34%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.56.74%
Qualifications+0.00

Fondation Château Mercier reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.7 out of 5 stars from 151 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.7
of 5

Aggregated from 151 reviews across all connected sources

Sources
GGoogle4.7151
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

June 30, 2026Media
Sierre: quel avenir pour le Château Mercier après les annulations de DremAgo et le départ des Rencontres Orient-Occident?
lenouvelliste.ch
February 27, 2024Media
Sierre: Le château Mercier va devenir une maison d’artistes
swissinfo.ch
February 23, 2024Media
Sierre: le château Mercier deviendra une maison d’artistes
lenouvelliste.ch
October 5, 2021Media
Les Rencontres Orient-Occident reprennent la vie de château à Sierre
lenouvelliste.ch

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Location

Montée du Château 19
3960 Sierre
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Foundation
UID
CHE-107.526.025
Founded
1992 · 34 years
Last commercial register change
February 18, 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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