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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsSchmerikonPolyvoltark GmbH
Polyvoltark GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company Polyvoltark GmbH primarily deals with the planning, installation and optimization of photovoltaic and solar systems for private households and industrial facilities. They offer energy supply solutions, including emergency power boxes, solar optimizers, battery storage systems and e-charging stations for vehicles.

AI-generated
Offering

Products & services

Industry:Solar & Photovoltaics
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3.9/5

Polyvoltark GmbH

✓ Offered7
Photovoltaic and solar systems
Advisory, design, commissioning and installation of photovoltaic systems and solar installations for commercial and private households; including complete project management.
Battery storage / battery
Battery storage for solar systems to use solar power even at night and to increase self-consumption.
E-charging station / wallbox
Wallbox for charging electric vehicles with solar power; offered as an add-on to the photovoltaic system.
Emergency power box
Emergency power solution to secure the energy supply in the event of a mains power outage.
Performance optimizers
Optimizers for solar systems to improve system performance and make better use of solar yield.
Drone-based solar system planning
Solar system planning using drone data for capturing information and preparing photovoltaic projects.
Customer consultation and photovoltaic consulting
Initial consultation and individual advice for optimal planning of photovoltaic solutions for private and industrial customers.
Trust & reputation

ranQ Trust Score of Polyvoltark GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Polyvoltark GmbH scores 64.2 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.50.08%
Polyvoltark GmbH scores 67.8 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.64.612%
  • 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%
Polyvoltark 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%
Polyvoltark GmbH scores 14.0 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 35.14.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Polyvoltark GmbH reaches a ranQ Trust Score of 3.9 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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Location

Kirchgasse 13
8716 Schmerikon
Opening hours
Mon
08:00 - 16:30
Tue
08:00 - 16:30
Wed
08:00 - 16:30
Thu
08:00 - 16:30
Fri
08:00 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-200.404.166
Founded
2021 · 5 years
Last commercial register change
April 30, 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.
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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