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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringWilchingenBerfa AG
Berfa AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of BERFA AG is the planning, design, engineering, virtualization, implementation, commissioning and maintenance of process control systems and automation solutions for the energy sector, particularly for hydroelectric power plants, boiler systems, district heating, water treatment, sewage treatment plants and waste incineration. The company also offers IT services, IT security and training.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered7
Automation of industrial process plants and machines
Automation of industrial process plants and machines, including process control engineering, planning and conception, engineering, implementation, commissioning and training.
Virtual migration
Virtual migration of legacy systems to new systems, with coordinated plant components and system modules for secure and cost-effective operation.
Planning and conception
Cost-effective process and detailed engineering, preparation of concept and project description, taking into account new technologies and trends for plant operation and operating processes.
Engineering and implementation
Engineering and implementation of automation solutions, coordinated plant components and system modules, carried out for safe and cost-effective operation.
Commissioning and training
Commissioning of installed systems and training, with support during commissioning and handover for productive operation.
IT services
Modularly structured service and maintenance packages, defined response times in case of faults, and continuous plant modernisation over the service life.
Facility management
Technical prerequisites for sustainable building management, central control of heating, ventilation and monitoring, regulation of temperature and climate.
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4.0/5

Berfa AG

Trust & reputation

ranQ Trust Score of Berfa AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Berfa AG scores 61.4 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.35.08%
Berfa AG scores 85.5 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.55.07%
Berfa 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%
Berfa 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

Berfa AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «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 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 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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Comparisons

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Location

Mülibach 5
8217 Wilchingen

At a glance

Legal form
Corporation
UID
CHE-107.373.402
Founded
1991 · 35 years
Last commercial register change
April 24, 2025
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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