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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumberBiel/BienneBerger Klima AG
Berger Klima AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Berger Klima AG provides climate, ventilation and refrigeration engineering services, including system design, installation and maintenance for industrial and private clients.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Plumber
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4.3/5

Berger Klima AG

✓ Offered
6
Air conditioning systems
Air conditioning solutions for industrial buildings, offices and private households; design, installation and maintenance with cooling, heating functions and improved air quality.
Ventilation systems
Ventilation systems for industrial buildings, office buildings and private households; design, installation and maintenance for fresh air, good indoor climate and energy efficiency.
Smoke extraction and smoke pressure control systems
Smoke extraction and smoke pressure control systems for fire protection; design, installation and maintenance for smoke removal, smoke-free escape routes and safety in the event of a fire.
Extraction systems
Extraction systems for industry, workshops and laboratories; design, installation and maintenance for filtering dusts, vapours and gases as well as air purification.
Gas monitoring and gas alarm systems
Gas monitoring and gas alarm systems for businesses with gases or hazardous vapours; design, installation and maintenance for early warning and safety.
Service and maintenance
Service and maintenance for air conditioning, ventilation, refrigeration, extraction and gas alarm systems; maintenance schedules, inspections, preventive maintenance and repairs.
Trust & reputation

ranQ Trust Score of Berger Klima AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of November 2026

Berger Klima AG scores 72.8 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.76.724%
  • 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.95.08%
Berger Klima 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 Klima AG scores 86.7 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).86.722%
Berger Klima AG scores 45.7 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 35.45.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Berger Klima AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 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 November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Johann-Renfer-Strasse 56
2504 Biel/Bienne
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.862.096
Founded
1979 · 47 years
Last commercial register change
December 6, 2024
Employees
21 to 50

Active in 1 of 26 cantons

  • BEBern
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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