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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryFinance & InsuranceHolding CompaniesBellinzonaPREMEL HOLDING SA
PREMEL HOLDING SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

PREMEL HOLDING SA provides electromechanical engineering solutions and services, including construction, maintenance and overhaul of hydroelectric plants and of generator sets and emergency power systems. Its offerings also cover tunnel ventilation and safety systems, UPS test benches, treatment systems for turbid water, cogeneration and flood-protection systems, as well as temporary traffic-signal management, maintenance contracts and a 24-hour on-call service.

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Products & services

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PREMEL HOLDING SA

✓ Offered6
Hydroelectric power plants
Design, supply, construction, maintenance and overhaul of hydroelectric power plants.
Emergency power generators and emergency electrical systems
Design and supply of emergency power generators and emergency electrical systems, with rental of mobile power generator sets.
Tunnel ventilation systems
Technical solutions for road tunnels, with design and supply of ventilation systems and safety-related systems.
Electromechanical works
Electromechanical works of all kinds, including solutions for road tunnels, test benches for UPS, treatment plants for turbid water, cogeneration and flood protection.
Maintenance and after-sales service
Maintenance contracts and 24/7 on-call service, with after-sales support throughout the national territory.
Mobile construction traffic-signal systems
Management of mobile construction traffic-signal systems for road safety in the canton of Ticino.
Trust & reputation

ranQ Trust Score of PREMEL HOLDING SA: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

PREMEL HOLDING SA scores 71.2 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.70.724%
  • 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.67.110%
  • 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.78.08%
PREMEL HOLDING SA scores 82.3 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.92.512%
  • 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%
PREMEL HOLDING SA 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%
PREMEL HOLDING SA scores 42.9 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 35.42.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

PREMEL HOLDING SA reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.5 out of 5 stars from 13 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
4.5
of 5

Aggregated from 13 reviews across all connected sources

Sources
GGoogle4.513
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Via Riale Righetti 24
6503 Bellinzona

At a glance

Legal form
Corporation
UID
CHE-427.935.552
Founded
2014 · 12 years
Last commercial register change
February 2, 2026
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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