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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryFinance & InsuranceAccountantZurichTreuhand Sorgenlos AG
Treuhand Sorgenlos AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Treuhand Sorgenlos AG provides fiduciary services for businesses and individuals. Its services include company formation, bookkeeping, payroll and personnel administration, tax returns and tax advice.

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Service area

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Products & services

Industry:Accountant
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4.2/5

Treuhand Sorgenlos AG

✓ Offered4
Company formation
Company formation in Switzerland for GmbH, AG, association, collective partnership and cooperative; clarification of the company name, articles of association, formation documents, notarial certification and registration in the commercial register.
Personnel administration
Personnel administration and payroll accounting; payslips, AHV and pension fund registrations, withholding tax statements, social insurance statements, salary certificates, employment contracts and employment references.
Bookkeeping
Company bookkeeping and outsourcing of bookkeeping; personal consulting, tailor-made solutions, controlling measures and profitability analysis.
Tax return
Tax returns and tax advice; preparation of tax returns for individuals, married persons, persons with children, registered partnerships and self-employed persons.
Trust & reputation

ranQ Trust Score of Treuhand Sorgenlos AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of November 2026

Treuhand Sorgenlos AG scores 79.3 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.84.824%
  • 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.67.110%
  • 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%
Treuhand Sorgenlos AG scores 72.8 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.70.212%
  • 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 Sorgenlos AG scores 86.7 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).86.722%
Treuhand Sorgenlos AG scores 1.7 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 35.1.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Treuhand Sorgenlos AG 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 13 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 13 reviews across all connected sources

Sources
GGoogle513
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Riedhofstrasse 354
8049 Zurich
Opening hours
Mon
09:00 - 18:00
Tue
09:00 - 18:00
Wed
09:00 - 18:00
Thu
09:00 - 19:00
Fri
09:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-135.666.571
Founded
2020 · 6 years
Last commercial register change
February 7, 2020
Employees
1 to 10

Active in 1 of 26 cantons

  • ZHZurich
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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