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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryIndustryMechanical Engineering IndustryWinterthurBertholet Apparatebau GmbH
Bertholet Apparatebau GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Bertholet Apparatebau GmbH is plant and equipment engineering.

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Offering

Products & services

Industry:Mechanical Engineering Industry
✓ Offered7
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4.0/5

Bertholet Apparatebau GmbH

Pipeline construction
Pipework construction made of steel and chrome-nickel steel, including planning, fabrication and installation of systems for water reservoirs, borehole pumps, well chambers and wastewater treatment plants.
Plant and equipment construction
Plant and equipment construction for technical projects, from the first idea through to professional implementation, including customised special fabrication and engineering.
Metal fabrication
General metal fabrication work, smaller adjustments, repairs and more complex customer-specific metal work as required.
Assembly work
Assembly of systems and equipment as well as project-related installation work as part of metal and pipework construction projects.
Maintenance work
Maintenance work on existing systems and equipment, supplemented by modifications and repairs during ongoing operation.
On-site measuring and consulting
On-site measuring and consultation for projects in metal and pipework construction, as a basis for individual and coordinated solutions.
Welding specialist
Welding work as a specialist company in the context of metal and pipeline construction projects, with clean workmanship and professional execution.
Trust & reputation

ranQ Trust Score of Bertholet Apparatebau GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 96% · As of October 2026

Bertholet Apparatebau GmbH scores 63.1 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.78.124%
  • 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.49.510%
  • 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%
Bertholet Apparatebau GmbH scores 83.0 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%
Bertholet Apparatebau GmbH 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%
Bertholet Apparatebau GmbH scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bertholet Apparatebau GmbH 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 6 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 6 reviews across all connected sources

Sources
GGoogle56
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Bollstrasse 26
8405 Winterthur
Opening hours
Mon
07:00 - 16:30
Tue
07:00 - 16:30
Wed
07:00 - 16:30
Thu
07:00 - 16:30
Fri
07:00 - 15:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-114.725.481
Founded
2009 · 17 years
Last commercial register change
November 2, 2022
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.
88.0
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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