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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesWiler (Lötschen)Rieder & Ritler AG
Rieder & Ritler AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company Rieder & Ritler AG provides services in the fields of roofing, heating and sanitary technology. They offer customized solutions for customers and place great emphasis on highest quality and customer satisfaction.

AI-generated
Offering

Products & services

Industry:Plumbing & Building ServicesRoofingSheet Metal Work
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3.9/5

Rieder & Ritler AG

✓ Offered8
Plumbing work
Water supply, domestic installations, pipe renewals and quality controls for trouble-free drinking water in the house, as well as support with hygiene and supply security.
Bathroom planning and renovation
Planning, design and execution of individual bathroom concepts for new bathrooms and renovations, with various design options.
Heating work
Advice, installation, maintenance, upkeep and service work for heating systems, conventional heating and modern ecological solutions.
Energy advice
Analysis of buildings to save electricity and thermal energy, as well as support when switching to ecological energy sources and subsidies.
Solar thermal systems
Solar systems for environmentally friendly, efficient heating solutions, combinable with other energy sources.
Roofing work
Planning, execution and maintenance of pitched and flat roofs, focusing on functionality, energy efficiency and aesthetics.
Roof sheet metal work
Sheet metal work on demanding roof shapes and complex building components, as well as solutions for water drainage.
Roof solar energy
Advisory on using the roof for solar energy and checking the suitability for a solar solution.
Trust & reputation

ranQ Trust Score of Rieder & Ritler AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Rieder & Ritler AG scores 50.9 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.46.724%
  • 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.45.610%
  • 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.70.08%
Rieder & Ritler AG scores 85.5 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.55.07%
Rieder & Ritler 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%
Rieder & Ritler AG scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Rieder & Ritler AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 3.2 out of 5 stars from 5 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
3.2
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle3.25
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Umfahrungsstrasse 14
3918 Wiler (Lötschen)
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.013.139
Founded
1975 · 51 years
Last commercial register change
May 13, 2026
Employees
1 to 10
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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