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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryFinance & InsuranceExternal Asset ManagementBaselAurenum AG
Aurenum AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Aurenum AG is a tax advisory firm focused on private individuals and entrepreneurs, offering comprehensive advice on legal, tax and financial matters. It provides pragmatic, client‑oriented services with a fair and transparent fee system and is wholly owned by the partners active in day‑to‑day operations.

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Products & services

Industry:External Asset Management
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4.1/5

Aurenum AG

✓ Offered4
Tax advice
Tax advice for private individuals and business owners, comprehensive analysis of the client situation, implementation of optimisations, and ongoing support with tax matters.
Legal advice
Legal advice for private individuals and business owners, comprehensive handling of multifaceted issues, tailored guidance and support for administrative matters.
Financial advice
Financial advice for private individuals and business owners, comprehensive analysis, support in financial matters and assistance in implementing optimisations.
Comprehensive client care
Comprehensive, tailored support for demanding private clients, including analysis of the client situation, ongoing guidance and relief with complex administration.
Trust & reputation

ranQ Trust Score of Aurenum AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Aurenum 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%
Aurenum AG scores 85.5 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.55.07%
Aurenum 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%
Aurenum AG scores 4.3 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 35.4.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Aurenum 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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Location

Lindenhofstrasse 40
4052 Basel

At a glance

Legal form
Corporation
UID
CHE-116.202.679
Founded
2010 · 16 years
Last commercial register change
December 16, 2025
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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