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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsSchocherswilEnergietechnik Tanner GmbH
Energietechnik Tanner GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Energietechnik Tanner GmbH is the planning, development and installation of photovoltaic systems for residential homes, agricultural and commercial businesses, with the goal of supporting customers in reducing their energy costs and improving their CO2 footprint, and accompanying them on the path to self-sufficiency in their electrical energy needs.

AI-generated
Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered5
Photovoltaic systems
Photovoltaic systems for pitched and flat roofs, facades and open areas; planning, development and installation for residential buildings, agricultural and commercial businesses.
Battery storage
Battery storage to increase self-consumption of PV systems and with a backup system for additional supply security in the event of a power outage.
Energy Management
Energy Management for controlling loads such as heat pumps, electric boilers and EV charging stations, so that primarily solar power is used.
ZEV
ZEV for multi-family buildings to increase self-consumption of solar power and for shared use of PV energy.
EV charging station
EV charging stations in conjunction with the Energy Management System for using solar power to charge electric vehicles.
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3.8/5

Energietechnik Tanner GmbH

Trust & reputation

ranQ Trust Score of Energietechnik Tanner GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Energietechnik Tanner GmbH scores 61.3 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.68.224%
  • 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.17.610%
  • 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.95.08%
Energietechnik Tanner GmbH scores 60.8 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.39.612%
  • 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.70.07%
Energietechnik Tanner 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%
Energietechnik Tanner GmbH scores 5.1 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 35.5.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Energietechnik Tanner GmbH reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Buchackernstrasse 22
8581 Schocherswil

At a glance

Legal form
Limited Liability Company
UID
CHE-231.194.303
Founded
2024 · 2 years
Last commercial register change
January 17, 2024
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.
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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