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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesLaw Firms & Notary OfficesZugDudler & Partner AG
Dudler & Partner AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Dudler & Partner AG provides tax advisory, fiduciary services and accounting for private individuals and companies. Its services include tax returns, tax planning, appeals, corporate consulting and estate-related matters.

AI-generated
Offering

Products & services

Industry:Law Firms & Notary OfficesManagement ConsultingFiduciary Offices
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3.7/5

Dudler & Partner AG

✓ Offered6
Tax Advisory
Tax planning, advice on inheritance, gift and property taxes, tax support for company formations and restructurings, succession planning.
Tax Return Preparation
Preparation of tax returns for individuals and companies, including tax calculations, refunds, flat-rate tax credits, withholding tax claims and inter-cantonal tax allocations.
Accounting
Ongoing bookkeeping, accounts receivable management with controls and dunning, annual financial statements, payroll accounting, monthly payslips, and social insurance and withholding tax statements.
Business Advisory
Advice on company formation and restructuring, business valuation, buying and selling companies, succession planning, domicile and holding companies, board mandates and branches of foreign companies.
Appeals and Objection Proceedings
Handling of objections, appeals and complaints, including representation before tax authorities and review of tax assessments.
Inheritance Law Advisory
Succession planning, wills, inheritance and marital agreements, estate divisions and mandates as executor.
Trust & reputation

ranQ Trust Score of Dudler & Partner AG: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

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Data basis 54% · As of October 2026

Dudler & Partner 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%
Dudler & Partner AG scores 48.3 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.25.012%
  • 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%
Dudler & Partner 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%
Dudler & Partner AG scores 34.3 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 35.34.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Dudler & Partner AG reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». 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

Poststrasse 14
6300 Zug

At a glance

Legal form
Branch
UID
CHE-284.075.074
Founded
2025 · 1 year
Last commercial register change
December 4, 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.
76.0
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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