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

About the company

Treuhand Service Wirtschaft AG provides fiduciary and advisory services to companies and private clients. Its services include accounting, VAT and payroll administration, tax advice and tax returns, property management, limited audit services, estate division and execution of testamentary dispositions.

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Products & services

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Treuhand Service Wirtschaft AG

✓ Offered8
Company formation advisory and company administration
Advisory during formation, preparation of the necessary documents, and support throughout the start-up phases and beyond.
Accounting / VAT
Complete bookkeeping, timely VAT returns, process optimization, and support with self-administering the bookkeeping and with choosing the software.
Payroll and personnel administration
Payroll statements, annual declarations, maintenance of personnel master data, withholding tax statements, entry and exit notifications for the BVG, and preparation of AHV reviews.
Administration / Office support
Monthly payment runs, mail and telephone correspondence, document sorting, and other office work.
Tax advisory and tax return
Individual advice, negotiations with authorities, review of assessment decisions, dividend distribution forms, withholding tax refunds, objections, and representation before tax authorities.
Property management
Annual accounts, heating and ancillary expense statements, external representation, and processing of tenant changes and renovations.
VAT refund claims
Representation before authorities, reclaiming VAT, and support and advice for the detailed processing.
Limited audit
Audit of the annual financial statements according to legal requirements as an audit body / financial audit.
Trust & reputation

ranQ Trust Score of Treuhand Service Wirtschaft AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 88% · As of October 2026

Treuhand Service Wirtschaft AG scores 53.3 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.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: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Treuhand Service Wirtschaft AG scores 85.5 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.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 Service Wirtschaft 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%
Treuhand Service Wirtschaft AG scores 5.4 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 35.5.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Treuhand Service Wirtschaft 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 88%, 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.

Knowledge

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Location

Neugutstrasse 88
8600 Dübendorf
Opening hours
Mon
09:00 - 12:00, 13:00 - 16:00
Tue
09:00 - 12:00, 13:00 - 16:00
Wed
09:00 - 12:00, 13:00 - 16:00
Thu
09:00 - 12:00, 13:00 - 16:00
Fri
09:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-108.374.976
Founded
1999 · 27 years
Last commercial register change
June 28, 2021
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.100.06%
  • 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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