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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryFinance & InsuranceAccountantWorblaufenRosser Treuhand AG
Rosser Treuhand AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Rosser Treuhand AG is a fiduciary services firm supporting small and medium-sized businesses and private individuals with accounting, taxes and business management. Its services include business consulting, pension planning, auditing, tax advice and administration.

AI-generated
Offering

Products & services

Industry:Accountant
✓ Offered5
Fiduciary Services
Bookkeeping, review of pre-recorded data, full accounting, and ongoing administrative support for SMEs and private clients.
Tax Advisory
Tax advisory for private clients and businesses, including tax returns, tax optimisation, and support with objections and negotiations.
Business Consulting
Consulting from company formation through growth strategy, with solutions for management, development, and decision-making.
Audit Services
Statutory audit services by licensed audit experts, providing compliance, security and confidence for partners and authorities.
Retirement and Estate Planning
Long-term planning for retirement provision, risk protection, and asset planning, aligned with personal life goals and tax considerations.
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4.1/5

Rosser Treuhand AG

Trust & reputation

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

Trust Score4.1/ 5.0

High

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Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Rosser 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.
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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%
Rosser Treuhand AG scores 78.6 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.75.012%
  • 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%
Rosser 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.
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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).85.022%
Rosser Treuhand AG scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Rosser 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

Worblaufenstrasse 139
3048 Worblaufen

At a glance

Legal form
Corporation
UID
CHE-422.904.047
Founded
2019 · 7 years
Last commercial register change
March 24, 2026
Employees
11 to 20
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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