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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesJoinerySchönenberg An Der ThurKaufmann Oberholzer AG
Kaufmann Oberholzer AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Kaufmann Oberholzer AG provides timber construction and interior joinery services, including structural engineering, digital design and CNC production of components such as beams, glulam, floor/ceiling systems and hollow-core timber. Its offerings include multi-storey engineered timber, windows and doors, kitchens, staircases, bespoke furniture, renovations, contract manufacturing and the KaufmannKlimahaus house concept.

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Offering

Products & services

Industry:Joinery
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4.4/5

Kaufmann Oberholzer AG

✓ Offered
8
Joinery
Joinery for kitchens, bathrooms, interior fit-outs, furniture, cupboards, staircases as well as windows and doors; advice, planning, fabrication and installation from a single source.
Timber construction
Timber construction for new builds, replacement new builds, conversions, renovations and facades; in addition, timber construction work, windows and doors as well as KaufmannKlimahaus for sustainable homebuilding.
Engineering & services
Engineering, structural analysis, expert reports, design, logistics and pre-products for timber construction projects; support provided by engineers, technicians and carpenters.
Optiholz® timber construction
Optiholz® timber construction as the company’s in-house product development with CLT, timber-concrete composite, glulam, web-box girders and ceiling systems.
Engineered timber buildings
Engineered timber buildings for public buildings, residential houses, commercial buildings and industrial buildings; energy-efficient, cost-effective and versatile.
CNC & cutting-to-size work
CNC and cutting-to-size work with prefabricated components, assembly-ready building kits, cutting-to-size, edge gluing, door and acoustic elements, as well as contract manufacturing.
Industrial components
Components for industry made of wood, plastic, aluminium or composite; milling, drilling, cutting and engraving on complex CNC systems.
Timber construction components
Timber construction components for floors, walls, room-acoustic elements and packaging for logistics.
Trust & reputation

ranQ Trust Score of Kaufmann Oberholzer AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 100% · As of October 2026

Kaufmann Oberholzer AG scores 75.6 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.77.024%
  • 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.70.510%
  • 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%
Kaufmann Oberholzer AG scores 93.9 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.82.07%
Kaufmann Oberholzer 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%
Kaufmann Oberholzer AG scores 64.1 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 35.91.44%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.36.74%
Qualifications+0.00

Kaufmann Oberholzer AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 15 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 15 reviews across all connected sources

Sources
GGoogle4.715
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

September 13, 2025Media
Kaufmann Oberholzer eröffnet neue Produktionshalle
leaderdigital.ch
August 26, 2025Media
Teamgeist als Fundament des Erfolgs
leaderdigital.ch
January 10, 2022Media
«Holz ist der Baustoff der Zukunft»: Thurgauer Kaufmann Oberholzer AG investiert an drei Standorten
tagblatt.ch

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Location

Feldstrasse 6
9215 Schönenberg An Der Thur
Opening hours
Mon
07:00 - 12:00, 13:15 - 17:00
Tue
07:00 - 12:00, 13:15 - 17:00
Wed
07:00 - 12:00, 13:15 - 17:00
Thu
07:00 - 12:00, 13:15 - 17:00
Fri
07:00 - 12:00, 13:15 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.972.933
Founded
1980 · 46 years
Last commercial register change
September 30, 2025
Employees
21 to 50
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.85.03%
    • Full methodology

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