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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesFlooring & TilingWettingenKarrer AG
Karrer AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of KARRER AG is the consulting, sales and installation of ceramic wall and floor coverings, natural stone work as well as the execution of new buildings, conversions and renovations in the interior and exterior areas, particularly in the field of bathrooms and wet cells.

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Offering

Products & services

Industry:Flooring & Tiling
✓ Offered7
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4.2/5

Karrer AG

Tile Covering Consulting and Sales
Showroom consulting, material selection and quotations for wall and floor coverings in ceramic, natural stone, engineered stone and mosaic for private and commercial projects.
Tile Installation Work
Professional installation of wall and floor coverings including substrate preparation and clean execution for ceramic, natural stone, engineered stone and mosaic.
Tile Covering Maintenance and Repair
Cleaning, repairs and professional refurbishment of existing wall and floor coverings to preserve appearance and function over time.
Ceramic Tiles
Ceramic tiles for walls and floors in bathrooms, kitchens, living spaces and terraces; also available as porcelain stoneware, earthenware, glazed or unglazed materials.
Natural Stone Tiles
Natural stone tiles for floors, walls, stairs and outdoor areas; including marble, granite, quartzite, slate, limestone and travertine.
Engineered Stone Tiles
Engineered stone tiles with a uniform look for wall cladding, coverings, stairs, large surfaces and other interior applications; including quartz composite, agglomerate, solid-surface material and terrazzo.
Mosaic Tile Coverings
Mosaic tile coverings for bathrooms, showers, pools, kitchens and living areas; in ceramic, glass, natural stone, metal or mixed materials, also for complex shapes and accents.
Trust & reputation

ranQ Trust Score of Karrer AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Karrer AG scores 70.8 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.56.724%
  • 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.99.010%
  • 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.78.08%
Karrer 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%
Karrer AG scores 85.0 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).85.022%
Karrer AG scores 34.3 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 35.34.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Karrer AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.1 out of 5 stars from 48 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.1
of 5

Aggregated from 48 reviews across all connected sources

Sources
GGoogle4.148
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Schwimmbadstrasse 33
5430 Wettingen
Opening hours
Mon
08:30 - 12:00, 13:30 - 17:00
Tue
08:30 - 12:00, 13:30 - 17:00
Wed
08:30 - 12:00, 13:30 - 17:00
Thu
08:30 - 12:00, 13:30 - 17:00
Fri
08:30 - 12:00, 13:30 - 17:00
Sat
10:00 - 13:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.143.598
Founded
1998 · 28 years
Last commercial register change
February 12, 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.
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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