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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesZurichSwiss Treuhand Siegrist GmbH
Swiss Treuhand Siegrist GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Swiss Treuhand Siegrist GmbH is the provision of trust and accounting services, including tax returns, company formations, domiciliation and strategic consulting for businesses and private individuals.

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Products & services

Industry:Fiduciary Offices
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4.4/5

Swiss Treuhand Siegrist GmbH

6
Trust and accounting
Trust and accounting services for individuals, SMEs and various industries; accounting, accounts receivable, accounts payable, general bookkeeping and payroll accounting.
Tax return and tax advisory
Tax returns for individuals, self-employed persons and companies; tax optimization, tax planning, real estate taxation, advice on separation, divorce, inheritances as well as double taxation and inter-cantonal tax planning.
Company formation
Consulting and handling of GmbH-, AG- and sole proprietorship formations; choice of legal form, articles of association, registration with the commercial register, dealings with authorities as well as registration with AHV and VAT.
Business domiciliation
Business domiciliation addresses and registered office solutions, including advice on more tax-favourable regions; domiciles available in the canton of Zurich, Zug and in the United Arab Emirates.
Board of directors mandate
Assumption of board of directors mandates for companies, complemented by fiduciary support on structure, management and organisational matters.
Strategy
Strategy consulting for companies, focusing on company build-up, reorganisation, restructuring and company evaluation, as well as questions relating to employees and internal processes.
Trust & reputation

ranQ Trust Score of Swiss Treuhand Siegrist GmbH: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Swiss Treuhand Siegrist GmbH scores 85.8 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.80.624%
  • 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.91.110%
  • 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.95.08%
Swiss Treuhand Siegrist GmbH scores 86.7 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.70.07%
Swiss Treuhand Siegrist GmbH 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%
Swiss Treuhand Siegrist GmbH scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Swiss Treuhand Siegrist GmbH reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 35 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
4.7
of 5

Aggregated from 35 reviews across all connected sources

Sources
GGoogle4.735
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Badenerstrasse 551
8048 Zurich
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-115.542.523
Founded
2010 · 16 years
Last commercial register change
December 16, 2021
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.
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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