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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesManagement consultantHeidenAlder Treuhand AG
Alder Treuhand AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Alder Treuhand AG provides fiduciary, audit, tax and business advisory services. Its work includes bookkeeping and financial statements, audits, tax planning, and advice on company formation, restructuring and succession planning.

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Service area

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Products & services

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Alder Treuhand AG

Accountant
✓ Offered4
Fiduciary services
Managing financial and payroll accounting, preparing interim and annual financial statements, VAT reporting (MWST), salary administration, budget and forecast planning, business domiciles.
Tax advisory
Tax declarations for natural and legal persons, tax planning and optimization, advice on tax assessments, tax representation, objections, additional and criminal tax proceedings, VAT advice.
Financial auditing
Limited audits, voluntary audits, audits of foundations and NGOs, incorporation audits, audits of changes in capital, due-diligence reviews, and accompanying advisory support.
Business consulting
Advice on company formation, structural adjustments, contract and sales negotiations, and liquidations; solution-oriented support across the lifecycle of companies.
Trust & reputation

ranQ Trust Score of Alder Treuhand AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Alder Treuhand 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%
Alder Treuhand AG scores 89.3 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.70.07%
Alder Treuhand 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%
Alder Treuhand AG scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Alder Treuhand 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 November 2026.

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

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Location

Weidstrasse 4a
9410 Heiden

At a glance

Legal form
Corporation
UID
CHE-101.266.481
Founded
1991 · 35 years
Last commercial register change
November 24, 2025
Employees
11 to 20

Active in 7 of 26 cantons

  • Eastern Switzerland
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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