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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryFinance & InsuranceExternal Asset ManagementSt. GallenMüller Family Office AG
Müller Family Office AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Müller Family Office AG encompasses three main areas: 1. **Real Estate**: The sale, purchase, and rental of properties, including the valuation and marketing of objects. 2. **Wealth Management**: The consulting and management of assets, including mortgage consulting and the utilization of a broad network. 3. **Art**: The sale and presentation of artworks, particularly through the Müller Family Office ART GALLERY in Davos. These three areas form the core activities of the company, with the real estate sector appearing as the main focus.

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Products & services

Industry:External Asset Management
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4.5/5

Müller Family Office AG

✓ Offered4
Wealth management
Wealth management, mortgage advice, advisory custody account, financial planning, retirement and succession planning advice, as well as brokering of advisors and support in banking matters.
Real estate brokerage
Buying and renting properties, sale of real estate, sold properties, free valuation, search mandate, direct purchase and relocation to Switzerland.
Art dealing
Pop art works and other artworks by national and international artists, ART GALLERY Davos, Webshop, as well as works by Jörg Döring, Tom Boston, Charles Fazzino, Bram Reijnders, Craig Alan, Marion Duschletta and Rolf Knie.
Philatelic trading
Philately focused on Old Switzerland, support in expanding collections, Webshop, search mandate and direct purchase, as well as offers related to postage stamps and Basel pigeons.
Trust & reputation

ranQ Trust Score of Müller Family Office AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 100% · As of October 2026

Müller Family Office AG scores 95.9 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.94.524%
  • 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%
Müller Family Office AG scores 83.5 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.86.512%
  • 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%
Müller Family Office AG scores 86.7 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).86.722%
Müller Family Office AG scores 47.9 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 35.85.74%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

Müller Family Office AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 5.0 out of 5 stars from 54 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 54 reviews across all connected sources

Sources
GGoogle554
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

July 15, 2024Media
Müller Family Office AG startet Partnerschaft mit Angelica Moser
leaderdigital.ch

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Location

Neugasse 1
9000 St. Gallen

At a glance

Legal form
Corporation
UID
CHE-317.305.053
Founded
2016 · 10 years
Last commercial register change
December 30, 2019
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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