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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesRomanshornUnionTax Steuerberatergesellschaft GmbH (CH)
UnionTax Steuerberatergesellschaft GmbH (CH) Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of UnionTax is the provision of tax and legal services, particularly in the areas of income tax refunds and child benefit applications in Europe. This also includes representing clients before tax authorities, employers and family funds, as well as providing international legal advice and services.

AI-generated
Offering

Products & services

Industry:Fiduciary Offices
✓ Offered5
Tax refund
Tax refund for employees with assignments abroad in Germany, Switzerland and Austria; review of tax returns, assessments and objection proceedings.
Kindergeld application
Kindergeld applications for Germany, Austria and Switzerland; eligibility check, submission, assessment review and objection, sometimes retroactively possible.
Escrow account
Escrow account for tax and Kindergeld payments; processing, review of incoming payments and billing of fees via a client segregated account (Anderkonto).
Tax advice for cross-border employees
Tax advice for cross-border commuters between Germany and Switzerland; income tax returns, cross-border status, withholding tax, double taxation and representation before authorities.
Pension advice Germany & Switzerland
Pension advice for people with employment periods in Germany and Switzerland; review of pension entitlements, application process, pension planning and tax advice.
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4.0/5

UnionTax Steuerberatergesellschaft GmbH (CH)

Trust & reputation

ranQ Trust Score of UnionTax Steuerberatergesellschaft GmbH (CH): 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 54% · As of October 2026

UnionTax Steuerberatergesellschaft GmbH (CH) 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%
UnionTax Steuerberatergesellschaft GmbH (CH) scores 68.3 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.50.012%
  • 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.82.07%
UnionTax Steuerberatergesellschaft GmbH (CH) 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%
UnionTax Steuerberatergesellschaft GmbH (CH) scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

UnionTax Steuerberatergesellschaft GmbH (CH) 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.

Knowledge

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Location

Maria-Stader-Weg 4
8590 Romanshorn

At a glance

Legal form
Limited Liability Company
UID
CHE-429.414.519
Founded
2023 · 3 years
Last commercial register change
July 12, 2024
Employees
21 to 50
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.88.06%
  • 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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