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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSports Facility ConstructionWittenbachWalter Widmer AG
Walter Widmer AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company WALTER WIDMER AG is primarily engaged in the planning, construction and maintenance of swimming pools, whirlpools and wellness oases. They also offer coverings and renovations for existing facilities. Additionally, they operate a shop where they offer products for swimming pools and wellness areas.

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Products & services

Industry:Sports Facility ConstructionWholesale - Machinery & Technical Equipment
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Walter Widmer AG

✓ Offered7
Swimming pool construction
Concept and planning support, new installations, construction of swimming pools, including water treatment, covers, enclosures and solar systems.
Swimming pool maintenance
Maintenance, repairs, system inspections, commissioning, winterization, pool cleaning and monitoring of the facility during holidays or absences.
Swimming pool renovations
Renovations, replacement of the filtration system, re-lining of the pool, covers, solar systems, heat pumps and automation of water treatment.
Swimming pool technology
Filtration technology, filter controls, heat technology, measurement and control engineering, counter-current systems, water attractions, cleaning equipment and swimming pool accessories.
Swimming pool covers
Swimming pool covers and pool enclosures for protection and covering of swimming pools.
Whirlpools
Riviera Spas for indoor and outdoor areas, as well as whirlpools with overflow channel for home bathrooms and wellness areas.
Swimming pool accessories
Accessories for swimming pools, water treatment products, chemicals for dosing systems, cleaning, pH regulation, disinfection, algae prevention, flocculation and whirlpool care.
Trust & reputation

ranQ Trust Score of Walter Widmer AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Walter Widmer AG scores 71.2 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.73.224%
  • 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.52.910%
  • 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.88.08%
Walter Widmer 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%
Walter Widmer AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Walter Widmer AG scores 4.0 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 35.4.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Walter Widmer AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 7 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
4.7
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.77
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Industriestrasse 24
9300 Wittenbach
Opening hours
Mon
08:00 - 11:45, 14:00 - 17:00
Tue
08:00 - 11:45, 14:00 - 17:00
Wed
08:00 - 11:45, 14:00 - 17:00
Thu
08:00 - 11:45, 14:00 - 17:00
Fri
08:00 - 11:45, 14:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.140.708
Founded
1975 · 51 years
Last commercial register change
July 7, 2009
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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