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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsSt-TriphonRobert Naef SA
Robert Naef SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Robert Naef SA consists of planning, installing and maintaining systems in the following areas: * Water supply (Adduction eau): creation of private and municipal water networks as well as repairs * Sanitary (Sanitaire): planning and renovation of bathrooms and sanitary facilities * Heating (Chauffage): design and installation of heating systems with or without hot water supply for various types of buildings and energy sources * Solar (Solaire): installation of solar systems to cover the hot water needs in residential buildings.

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Products & services

Industry:Solar & Photovoltaics
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Robert Naef SA

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6
Sanitary installations
Creation, maintenance and repair of the hot and cold water distribution network, resolution of flow problems, replacement of sanitary fixtures, conversions of bathrooms, WCs and showers.
Heating systems
Design and installation of heating systems with or without domestic hot water production, for all types of buildings and all energy sources; heat distribution via radiators, underfloor heating or fan coil units.
Solar thermal
Solar thermal installations for domestic hot water and heating support, with roof-mounted collectors, heat exchanger, storage tank and possible combination with a boiler for support heating.
Water supply
Creation of private water take-off networks, municipal conduits and execution of repairs related to these infrastructures, in particular for the Municipality of Ollon.
Gas installation after the meter
Gas installation works after the meter for heating, cooking and industry, integrated into new building projects, conversions or renovations.
Rainwater recovery system
Installation of rainwater recovery systems as part of construction, conversion or renovation projects.
Trust & reputation

ranQ Trust Score of Robert Naef SA: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Robert Naef SA scores 52.3 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.43.724%
  • 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.58.610%
  • 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%
Robert Naef SA scores 81.1 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.89.612%
  • 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%
Robert Naef SA 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%
Robert Naef SA scores 7.7 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 35.7.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Robert Naef SA reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 3.4 out of 5 stars from 9 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
3.4
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle3.49
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Les carrières du Lessus 2
1867 St-Triphon
Opening hours
Mon
07:30 - 12:00, 13:00 - 16:30
Tue
07:30 - 12:00, 13:00 - 16:30
Wed
07:30 - 12:00, 13:00 - 16:30
Thu
07:30 - 12:00, 13:00 - 16:30
Fri
07:30 - 12:00, 13:00 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-283.565.803
Founded
2015 · 11 years
Last commercial register change
December 6, 2018
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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