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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryIndustryEnergy IndustryOberburgJenni Energietechnik AG
Jenni Energietechnik AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Jenni Energietechnik AG supplies thermal energy storage systems (Swiss Solartank), solar systems (thermal and PV) and wood-fired heating solutions. The company provides project planning and quotations, installation via local partner installers, commissioning and ongoing service and maintenance for heating and solar installations. The website also describes advisory services and Swiss production of their storage tanks.

AI-generated
Trust & reputation

ranQ Trust Score of Jenni Energietechnik AG: 4.5 out of 5.0

Trust Score
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4.5/5

Jenni Energietechnik AG

4.5/ 5.0

Excellent

x

Data basis 100% · As of October 2026

Jenni Energietechnik AG scores 85.9 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.87.724%
  • 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.88.110%
  • 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%
Jenni Energietechnik AG scores 92.3 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.82.07%
Jenni Energietechnik 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%
Jenni Energietechnik AG scores 71.7 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.43.34%
Qualifications+0.00

Jenni Energietechnik AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.9 out of 5 stars from 31 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data. Full methodology

Reviews

Aggregated rating

Aggregated rating
4.9
of 5

Aggregated from 31 reviews across all connected sources

Sources
GGoogle4.931
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

July 23, 2026Media
ee-news.ch
ee-news.ch
June 30, 2026Media
Jenni ermöglicht Speicherung von Solarenergie als Wärme
punkt4.info
May 19, 2026Media
Energiewende aus Burgdorf: Der Solarpionier, der das Spektakel nie scheute
bernerzeitung.ch
May 6, 2026Media
50 Jahre für die Sonne
dregion.ch
October 3, 2022Media
Solarpionier Josef Jenni: Er sagte den Strommangel voraus – lange vor dem Krieg
derbund.ch
October 19, 2013Media
Josef Jenni packt die Sonne in den Tank
tagesanzeiger.ch

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Location

Lochbachstrasse 22
3414 Oberburg
Opening hours
Mon
07:00 - 12:00, 13:30 - 17:00
Tue
07:00 - 12:00, 13:30 - 17:00
Wed
07:00 - 12:00, 13:30 - 17:00
Thu
07:00 - 12:00, 13:30 - 17:00
Fri
07:00 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.921.396
Founded
1978 · 48 years
Last commercial register change
December 16, 2025
Employees
21 to 50
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%

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