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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,837 companies indexed · Last updated: today
DirectoryRetail & CommerceArt & Antique TradeWichtrachGalerie Henze & Ketterer AG
Galerie Henze & Ketterer AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Galerie Henze & Ketterer AG is the trade and brokerage of modern art, in particular the management and sale of artworks, as well as the organization of exhibitions and art events.

AI-generated
Offering

Products & services

Industry:Art & Antique Trade
✓ Offered9
Art dealing
Art dealing with works of classical modernism, Expressionism, post-1945 abstraction, New Figuration and contemporary art.
Art advisory
Art advisory for collectors on building and maintaining collections, selecting suitable works, and brokering appropriate works from the company’s own inventory and through contacts.
Exhibitions
Exhibitions on Ernst Ludwig Kirchner, Brücke, Expressionism, abstract post-war art and contemporary art; in-house, in the art depot rooms and online.
Art brokerage via Online Viewing Rooms
Online Viewing Rooms with digital exhibitions, selected works in digital format, and supplementary videos to deepen understanding of the work, the artists and the context.
Loans to museums
Loans for public exhibitions and museum projects, in particular with works by Ernst Ludwig Kirchner and other artists from the programme.
Estate administration and archiving
Administration of estates and archives, in particular those of Ernst Ludwig Kirchner as well as those of other artists; documentation, research and maintenance of holdings of works.
Authenticity assessments and expert reports
Authenticity assessments, photo expertises and written information regarding works by Ernst Ludwig Kirchner; also for questions of provenance and condition of the work.
Provenance research
Provenance research on modern art based on archival holdings, work dossiers and the information provided by the Stuttgarter Kunstkabinetts Roman Norbert Ketterer.
Publications and art books
Publications, exhibition catalogues, catalogue raisonnés and art books on the represented artists, as well as a specialised book offering.
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4.2/5

Galerie Henze & Ketterer AG

Trust & reputation

ranQ Trust Score of Galerie Henze & Ketterer AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 100% · As of October 2026

Galerie Henze & Ketterer AG scores 69.2 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.74.424%
  • 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.49.510%
  • 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.78.08%
Galerie Henze & Ketterer 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%
Galerie Henze & Ketterer 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%
Galerie Henze & Ketterer AG scores 55.0 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 35.100.04%
  • 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

Galerie Henze & Ketterer AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 6 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.86
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

January 6, 2011Media
Wolfgang Henze: «Das ist ein Verbrechen an der Kunst
bernerzeitung.ch

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Location

Kirchstrasse 26
3114 Wichtrach
Opening hours
Mon
Closed
Tue
14:30 - 17:30
Wed
14:30 - 17:30
Thu
14:30 - 17:30
Fri
14:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.444.261
Founded
1993 · 33 years
Last commercial register change
September 15, 2025
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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