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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesAarwangenGruszka Treuhand GmbH
Gruszka Treuhand GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of GRUSZKA Treuhand GmbH is the provision of accounting services and business consulting for companies and private individuals in Switzerland. This includes in particular: founding of new companies, complete accounting, value-added tax settlement, payroll accounting, withholding tax settlement, family allowances for employees, correspondence with authorities, insurance for companies and employees, annual tax returns for companies and private individuals, and tax and financial consulting. The company also offers an individual approach and multilingual customer service to meet the needs of its clients.

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Products & services

Industry:Fiduciary Offices
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4.0/5

Gruszka Treuhand GmbH

✓ Offered3
Company formation
Formation of new businesses as sole proprietorships, GmbH/Sàrl, AG/SA and civil societies.
Accounting and business management
Complete bookkeeping, VAT reporting, payroll accounting, withholding tax reporting, family allowances, correspondence with authorities, and insurance for companies and employees.
Tax returns and tax advisory
Annual tax returns for companies and individuals, as well as tax and financial advisory.
Trust & reputation

ranQ Trust Score of Gruszka Treuhand GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 54% · As of October 2026

Gruszka Treuhand GmbH 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%
Gruszka Treuhand GmbH scores 67.8 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.64.612%
  • 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.55.07%
Gruszka Treuhand GmbH 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%
Gruszka Treuhand GmbH scores 12.3 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 35.12.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gruszka Treuhand GmbH reaches a ranQ Trust Score of 4.0 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

Langenthalstrasse 11
4912 Aarwangen

At a glance

Legal form
Limited Liability Company
UID
CHE-134.774.063
Founded
2021 · 5 years
Last commercial register change
July 18, 2023
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.
88.0
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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