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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesBischofszellTreuhand Thoma & Graf AG
Treuhand Thoma & Graf AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Treuhand Thoma & Graf AG is the provision of services in the areas of trust, tax consulting, auditing and administration, particularly for small and medium-sized enterprises (SMEs), natural persons, public administrations and non-profit organizations.

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Products & services

Industry:Fiduciary Offices
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Treuhand Thoma & Graf AG

✓ Offered
4
Fiduciary services
Bookkeeping, financial and accounting services, payroll accounting and payroll administration, controlling, advice on closing matters, business consulting, company formation, administrative and administration mandates.
Audit services
Limited reviews, pay equity audits, review of annual financial statements and bookkeeping, special audits in connection with company formation, mergers, demergers or share capital reductions, as well as valuation reports.
Tax advisory
Tax advice for individuals and legal entities, preparation of tax returns, VAT returns, consulting on VAT matters, tax planning and representation before tax authorities.
Cloud solutions
Cloud-based fiduciary solutions, implementation and use of suitable software solutions, access to data and processes independent of location and time, guidance in selection and application.
Trust & reputation

ranQ Trust Score of Treuhand Thoma & Graf AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Treuhand Thoma & Graf AG scores 49.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.68.224%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.17.610%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.35.08%
Treuhand Thoma & Graf AG scores 85.5 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.55.07%
Treuhand Thoma & Graf 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%
Treuhand Thoma & Graf AG scores 74.3 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 35.74.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Treuhand Thoma & Graf AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Obertor 1
9220 Bischofszell
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:15
Tue
07:30 - 12:00, 13:00 - 17:15
Wed
07:30 - 12:00, 13:00 - 17:15
Thu
07:30 - 12:00, 13:00 - 17:15
Fri
07:30 - 12:00, 13:00 - 17:15
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.084.139
Founded
1977 · 49 years
Last commercial register change
March 11, 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.
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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