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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesGlazieryRafzTheo Graf AG
Theo Graf AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Theo Graf AG encompasses three main areas: 1. Carpentry: Planning, manufacturing, and installation of interior fittings, kitchens, cabinets, doors, custom-made furniture, and general carpentry work. 2. Window construction: Production and installation of high-quality windows for new buildings and renovations, including various types of windows. 3. Flooring: Consulting, installation, and maintenance of various floor coverings, including wood and textile floors. The company thus offers a comprehensive range of services and products in the field of interior finishing and window manufacturing.

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Offering

Products & services

Industry:GlazieryJoinery
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Theo Graf AG

✓ Offered3
Joinery
Interior fit-out, doors, cupboards, kitchens, made-to-measure furniture, tables as well as wall and ceiling panelling; planning, fabrication, installation, maintenance, repairs and restorations.
Window construction
Windows and lift-and-slide doors in wood, wood-metal, plastic and plastic-metal; own production, installation, window service, maintenance and repairs.
Floor coverings
Parquet, laminate, cork, carpet and bouclé yarn; advice, installation, maintenance and repair, stair treads and parquet renovations for renovation and new-build.
Trust & reputation

ranQ Trust Score of Theo Graf AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 100% · As of October 2026

Theo Graf AG scores 72.9 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.68.424%
  • 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.79.710%
  • 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%
Theo Graf AG scores 86.1 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.92.512%
  • 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%
Theo Graf 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%
Theo Graf AG scores 12.2 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 35.14.34%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

Theo Graf AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.4 out of 5 stars from 22 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.4
of 5

Aggregated from 22 reviews across all connected sources

Sources
GGoogle4.422
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

September 24, 2023Media
Familienbetrieb in Eglisau: In der Fensterfabrik ist jetzt die nächste Generation dran
tagesanzeiger.ch

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Comparisons

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Location

Brüelgasse 39
8197 Rafz
Opening hours
Mon
08:00 - 11:45, 13:30 - 16:45
Tue
08:00 - 11:45, 13:30 - 16:45
Wed
08:00 - 11:45, 13:30 - 16:45
Thu
08:00 - 11:45, 13:30 - 16:45
Fri
08:00 - 11:45, 13:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-375.337.962
Founded
2014 · 12 years
Last commercial register change
December 14, 2018
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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