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

About the company

Frohsinn Treuhand GmbH provides fiduciary and accounting services for businesses. Its services include bookkeeping and controlling, tax advisory, property management, audits and company formation; the owner-managed, independent firm primarily serves small and medium-sized enterprises and collaborates with partners.

AI-generated
Offering

Products & services

Industry:Fiduciary Offices
✓ Offered5
Accounting and controlling
Management of financial, accounts receivable and accounts payable accounting, VAT returns, payroll statements, social insurance filings, closing advisory, preparation of financial statements and budget and comparative analyses.
Tax advisory
Tax advice and tax planning, handling VAT returns, preparing tax declarations, processing special taxes and reviewing tax assessments.
Audits and financial audits
Review of the annual financial statements of joint-stock companies, GmbHs and cooperatives, advice on the annual closing, audit reports as well as conducting the general meeting and keeping the GV minutes.
Real estate
Technical management of properties, rent monitoring, property settlements, heating and ancillary cost billing, and rent adjustments.
Company formations
Advice on choosing the legal form, formation of companies under Swiss law, articles of association, capital increases and reductions, transfers of registered office, changes in legal form and liquidations.
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4.2/5

Frohsinn Treuhand GmbH

Trust & reputation

ranQ Trust Score of Frohsinn Treuhand GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

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Data basis 96% · As of October 2026

Frohsinn Treuhand GmbH scores 72.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.79.424%
  • 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.52.910%
  • 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.78.08%
Frohsinn Treuhand GmbH scores 83.0 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%
Frohsinn Treuhand GmbH 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%
Frohsinn Treuhand GmbH scores 7.4 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 35.7.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Frohsinn Treuhand GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 7 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 7 reviews across all connected sources

Sources
GGoogle57
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Grosse Kirchgasse 4
5507 Mellingen
Opening hours
Mon
08:00 - 17:30
Tue
08:00 - 17:30
Wed
08:00 - 17:30
Thu
08:00 - 17:30
Fri
08:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-258.466.150
Founded
2011 · 15 years
Last commercial register change
October 21, 2024
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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