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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSustainability SectorAppenzellOngresso Energy AG
Ongresso Energy AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Ongresso Energy is the development and implementation of solutions to reduce carbon emissions and promote renewable energy, particularly in emerging countries. This includes: Developing and implementing carbon offset projects; Planning, building and operating solar power plants under Power Purchase Agreements (PPAs); Developing distributed energy generation facilities; and Advising and supporting customers in reducing their carbon emissions and implementing sustainability strategies. The company focuses on the regions of Latin America and Africa and works closely with local partners and stakeholders to develop innovative and effective solutions for a sustainable future.

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Offering

Products & services

Industry:Sustainability Sector
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Ongresso Energy AG

✓ Offered5
Solar Energy Solutions
Development, construction and operation of industrial self-generation and distributed solar PV plants via PPA, including rooftop, ground-mounted, carport and floating installations.
Decarbonisation Programs
Program setup and consulting for decarbonisation in regulated and voluntary markets, including IRECs, ITMOs and voluntary carbon market projects with MRV and implementation support.
IREC Certificates
Registration, issuance, trading and retirement of I-RECs to certify renewable origin, Scope 2 claims and the commercialisation of clean energy.
ITMO Project Development
Structuring, approval and international commercialisation of ITMO projects under Article 6, including baseline, additionality, authority alignment and transfer agreements.
Voluntary Carbon Certification
Project development, validation, monitoring and commercialisation of carbon credits in the voluntary market, including Gold Standard and Verra.
Trust & reputation

ranQ Trust Score of Ongresso Energy AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Ongresso 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.
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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%
Ongresso Energy AG scores 71.3 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.58.012%
  • 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%
Ongresso Energy AG scores 83.3 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).83.322%
Ongresso Energy AG scores 25.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ongresso Energy 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 54%, 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.

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Secure profile

Location

Kreuzhofstrasse 31
9050 Appenzell

At a glance

Legal form
Corporation
UID
CHE-496.451.937
Founded
2022 · 4 years
Last commercial register change
June 15, 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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