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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsZurichSeasON Energy AG
SeasON Energy AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

SeasON Energy AG develops and markets thermal long-term storage systems based on an absorption heat pump using sodium hydroxide. The company provides solutions for storing surplus solar and wind energy, as well as for heating, cooling, and process heat in buildings and industrial applications.

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Products & services

Industry:Solar & Photovoltaics
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3.8/5

SeasON Energy AG

Mechanical Engineering Industry
✓ Offered2
Absorption Thermal Storage
Absorption thermal storage based on caustic soda for seasonal storage of PV and solar heat, waste-heat use, heating support and grid relief.
Heating and Cooling Applications for Buildings and Industry
Use of the SeasON system for residential, commercial and office buildings, datacentres, process heat and district heating networks; supports heating, cooling and waste-heat use.
Trust & reputation

ranQ Trust Score of SeasON Energy AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 58% · As of October 2026

SeasON Energy 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%
SeasON Energy AG scores 53.4 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.25.012%
  • 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.55.07%
SeasON Energy AG 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%
SeasON Energy AG scores 54.8 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 35.62.94%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.46.74%
Qualifications+0.00

SeasON Energy AG reaches a ranQ Trust Score of 3.8 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

July 23, 2026Media
SeasON Energy erhält Millionenfinanzierung für saisonale Energiespeicherung
startupticker.ch
July 15, 2026Media
SeasON bereitet Markteintritt seiner saisonalen Energiespeicher vor
punkt4.info
March 27, 2026Media
Das Frauenfelder Start-up Season speichert die Energie des Sommers
businessclassost.ch
March 27, 2026Media
Wir sind Zukunft: Ein Schweizer Start-up speichert den Sommer
tagesanzeiger.ch
September 12, 2025Media
Nachhaltiges Energiemanagement mit Sorptionswärmespeicher
organisator.ch

Knowledge

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Location

Schanzengasse 10
8001 Zurich

At a glance

Legal form
Corporation
UID
CHE-462.067.943
Founded
2025 · 1 year
Last commercial register change
July 20, 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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