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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsFlawilVoltwerk AG
Voltwerk AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Burtscher Elektro- und Gebäudetechnik AG encompasses the planning, installation, and maintenance of electrical and building technology systems, particularly in the field of renewable energies, such as photovoltaics, e-mobility, and battery storage. This also includes the installation and maintenance of solar and photovoltaic systems, energy management systems, electrical installations, household appliances, IT and network systems, as well as automation and smart home solutions.

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Offering

Products & services

Industry:Solar & Photovoltaics
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4.1/5

Voltwerk AG

✓ Offered6
Photovoltaics
Photovoltaic systems, battery storage, energy management, maintenance and inspections, and self-consumption models such as ZEV, vZEV and LEG.
Electrical installations
Electrical installations for new builds, renovations and modernization work, commercial and industrial facilities, as well as electrical service and fault rectification.
Smart Home & Building Automation
KNX and Loxone controls, multimedia and network installations, security systems with alarm and video, as well as doorbells and intercom systems.
E-Mobility
Wallboxes for private customers, charging infrastructure for businesses and multi-family houses, load management and billing, as well as PV integration.
Planning & Consulting
Energy analyses, electrical planning, and PV planning including roof surveying and an economic feasibility assessment.
Service & Maintenance
Repairs and faults, electrical inspections, 24-hour on-call service and service work for electrical systems, as well as household appliances.
Trust & reputation

ranQ Trust Score of Voltwerk AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Voltwerk AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Voltwerk AG scores 89.3 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.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.70.07%
Voltwerk 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%
Voltwerk AG scores 12.9 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 35.25.74%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Voltwerk AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 58%, 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.

Press

Media

February 19, 2026Media
Aus Burtscher wird Voltwerk | Flawil
uzwil24.ch

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Location

St. Gallerstrasse 150
9230 Flawil

At a glance

Legal form
Corporation
UID
CHE-110.147.355
Founded
2003 · 23 years
Last commercial register change
July 6, 2026
Employees
11 to 20
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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