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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesSheet Metal WorkBiglenRené Aeberhardt AG
René Aeberhardt AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is the provision of services in the fields of building technology, particularly heating, plumbing, sheet metal work and solar thermal energy, as well as the planning, installation, maintenance and repair of systems in these areas. The company also offers personal consulting and individual solutions tailored to the needs of its customers.

AI-generated
Offering

Products & services

Industry:Sheet Metal Work
✓ Offered9
Heating systems
Heating systems for new builds and renovations, total refurbishments and upgrades; alternative heating systems, heating refurbishment, controlled ventilation for living spaces as well as heating service and heating check-up.
Heat pumps
Heat pumps for sustainable and energy-efficient heating; planning, implementation and suitable solutions for new builds and refurbishments.
Thermal solar systems
Thermal solar systems for using solar energy for heating and domestic hot water; planning and implementation for buildings.
Wood heating systems
Wood heating systems as the main or supplementary heat generator in hybrid heating systems; climate-neutral heating with a renewable resource.
Sanitary installations
Sanitary installations for new builds and renovations, total refurbishments and upgrades; bathroom renovations, fittings, drains and toilet repairs.
Bathroom renovations
Bathroom renovations and bathroom work; planning and execution of new bathrooms as well as renovation of existing bathrooms.
Sheet-metal works & building envelope
Sheet-metal works on roofs, facades and metal cladding; gutters, downpipes, dormer cladding, flashings, custom metal cladding and double lock seam roofs.
Lightning protection systems
Lightning protection systems for buildings; planning, installation and protection against damage caused by lightning currents.
Service, maintenance and repairs
Service, maintenance and repairs for sanitary, heating, sheet-metal and lightning protection systems; fault rectification and 24-hour on-call duty on weekends, public holidays and bank holidays.
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4.6/5

René Aeberhardt AG

Trust & reputation

ranQ Trust Score of René Aeberhardt AG: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 96% · As of October 2026

René Aeberhardt AG scores 87.1 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.89.424%
  • 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.80.810%
  • 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%
René Aeberhardt AG scores 92.3 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.82.07%
René Aeberhardt 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%
René Aeberhardt AG scores 68.6 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 35.68.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

René Aeberhardt AG reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 5.0 out of 5 stars from 23 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
5
of 5

Aggregated from 23 reviews across all connected sources

Sources
GGoogle523
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Bahnhofstrasse 15
3507 Biglen
Opening hours
Mon
07:30 - 11:45, 13:00 - 17:00
Tue
07:30 - 11:45, 13:00 - 17:00
Wed
07:30 - 11:45, 13:00 - 17:00
Thu
07:30 - 11:45, 13:00 - 17:00
Fri
07:30 - 11:45, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.658.486
Founded
1990 · 36 years
Last commercial register change
September 30, 2022
Employees
21 to 50
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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