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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIT & CommunicationIT Infrastructure & CloudDübendorfK51 AG
K51 AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company K51 AG offers solutions for High-Performance Computing (HPC) and develops a network that enables companies and organizations to reduce their energy costs and fossil footprint. The core activity of the company is in the field of sustainable and environmentally friendly IT infrastructure, particularly in the area of high-performance computing and fossil-free heat supply.

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Offering

Products & services

Industry:IT Infrastructure & Cloud
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3.8/5

K51 AG

✓ Offered4
Fossil-free heat
Fossil-free heat for greenhouses, hotels and industrial facilities; use of waste heat from High Performance Computing, heat supply from renewable electricity, 97% heat recovery.
HPC cloud
HPC cloud for High Performance Computing; powerful, secure and versatile computing power with cost and energy efficiency.
VaR computing for banks
VaR calculations for banks; daily Value-at-Risk models according to FINMA, outsourcing of Monte-Carlo simulations, reduction of energy and cooling costs.
Free situational analysis
Free situational analysis on site or online; appointment scheduling to assess heat potential and integration into the K51 network.
Trust & reputation

ranQ Trust Score of K51 AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 58% · As of October 2026

K51 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%
K51 AG scores 63.4 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%
K51 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%
K51 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

K51 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

August 26, 2023Media
Was ein Serverraum mit einem Gewächshaus zu tun hat
schweizerbauer.ch

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Location

Ueberlandstrasse 129
8600 Dübendorf

At a glance

Legal form
Corporation
UID
CHE-197.092.087
Founded
2024 · 2 years
Last commercial register change
August 27, 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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