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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesObfeldenBerger Boiler-Service AG
Berger Boiler-Service AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Berger Boiler-Service AG is the installation, maintenance and repair of hot water systems, particularly boilers, solar systems and corrosion and scale protection systems. The company also offers Elysator products and services and supports installers in the planning and execution of hot water systems.

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Offering

Products & services

Industry:Plumbing & Building Services
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4.5/5

Berger Boiler-Service AG

✓ Offered
8
Boiler Service and Descaling
Boiler service, descaling, maintenance and service forms for homeowners, property managers and tenants.
Boiler Repair and Replacement
Repair, replacement and exchange of boilers for the domestic hot-water sector.
Solar Systems
Planning, installation and service of solar systems in the field of renewable energy with solar.
Corrosion & Limescale Protection
Corrosion and limescale protection for boilers and hot-water systems, including Elysator-related solutions.
Boiler Sales
Sale of boilers for installers.
Boiler Spare Parts
Order and source spare parts for boilers.
Service Support
Service support for installers for boiler and hot-water systems.
Elysator Products
Elysator products for corrosion and limescale protection in the field of hot water and building services.
Trust & reputation

ranQ Trust Score of Berger Boiler-Service AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Berger Boiler-Service AG scores 86.5 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.87.924%
  • 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.76.210%
  • 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.95.08%
Berger Boiler-Service AG scores 93.9 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%
Berger Boiler-Service AG scores 83.3 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).83.322%
Berger Boiler-Service AG scores 57.1 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 35.57.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Berger Boiler-Service AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 5.0 out of 5 stars from 19 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 19 reviews across all connected sources

Sources
GGoogle519
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Räschstrasse 31
8912 Obfelden
Opening hours
Mon
07:00 - 12:00, 13:15 - 17:15
Tue
07:00 - 12:00, 13:15 - 17:15
Wed
07:00 - 12:00, 13:15 - 17:15
Thu
07:00 - 12:00, 13:15 - 17:15
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-475.826.380
Founded
2011 · 15 years
Last commercial register change
October 8, 2021
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.85.03%
    • Full methodology

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