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

About the company

The core activity of Ruoff AG encompasses the areas of sanitation, heating, roofing and pipe cleaning. Specifically, the company offers the following services: repair and maintenance work in the sanitation and heating sector, heating installations, flat roof and solar energy work, pipe cleaning service, boiler descaling and roofing. Thus, the company offers a comprehensive range of services in the field of building technology and maintenance.

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Offering

Products & services

Industry:RoofingSheet Metal Work
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4.1/5

A. Ruoff AG

✓ Offered5
Sanitary installations
Sanitary installations for conversions and new builds, bathroom renovations and new builds; repair and service work in the sanitary sector, boiler descaling.
Sheet metal work
Sheet metal works for conversions and new builds, renovations and small repairs; work on pitched roofs and flat roofs for draining rainwater.
Heating installations
Planning, conversion and installation of heating systems; heat pumps, wood-fired heating systems, solar installations, oil heating systems and mobile heating appliances.
Roofing
Flat roof sealing and roofing work; Prefa roofs as a roofing system for new builds, conversions and renovations.
Drain cleaning
Cleaning and camera inspection of drains, wastewater and sewer lines as well as roof gutters with a high-pressure unit.
Trust & reputation

ranQ Trust Score of A. Ruoff AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

A. Ruoff AG scores 65.2 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.54.524%
  • 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.63.210%
  • 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.100.08%
A. Ruoff 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%
A. Ruoff 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%
A. Ruoff 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

A. Ruoff AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.9 out of 5 stars from 11 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
3.9
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle3.911
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Dorfstrasse 119
3818 Grindelwald
Opening hours
Mon
07:30 - 12:00, 13:15 - 17:15
Tue
07:30 - 12:00, 13:30 - 17:15
Wed
07:30 - 12:00, 13:15 - 17:15
Thu
07:30 - 12:00, 13:15 - 17:15
Fri
07:30 - 12:00, 13:15 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.192.616
Founded
1982 · 44 years
Last commercial register change
September 8, 2020
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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