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

About the company

Ruffieux Treuhand und Revision AG provides fiduciary and audit services, performing bookkeeping, preparation of financial statements and controlling tasks. The firm also offers tax advice and tax filings (including VAT), payroll and personnel administration, and general business consulting such as company formation, business plans, restructuring, property accounting and debt collection.

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Products & services

Industry:Fiduciary Offices
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3.8/5

Ruffieux Treuhand und Revision AG

✓ Offered5
Bookkeeping and annual reporting / Controlling
Bookkeeping on IT systems, closing advice and preparation of annual accounts, interim financial statements, budget and planning accounting, balance sheet and income statement analyses, cash flow statement, controlling tasks.
Audit
Statutory audit office for public limited companies, statutory audit office for limited liability companies, special examinations and audits.
Tax advice and tax returns
Tax advice and tax returns for natural and legal persons, VAT, tax representation and appeal procedures.
Personnel administration
Salary accounting on IT systems, social security contribution statements, withholding tax statements, administration for entry and exit.
Business and administrative consulting
Company formation, preparation of business plans, restructuring, property accounting and real estate management, reminder and debt collection services.
Trust & reputation

ranQ Trust Score of Ruffieux Treuhand und Revision AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 96% · As of October 2026

Ruffieux Treuhand und Revision AG scores 49.8 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.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%
Ruffieux Treuhand und Revision 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%
Ruffieux Treuhand und Revision 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%
Ruffieux Treuhand und Revision AG scores 2.6 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 35.2.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ruffieux Treuhand und Revision AG reaches a ranQ Trust Score of 3.8 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

Feldstrasse 82
8180 Bülach

At a glance

Legal form
Corporation
UID
CHE-101.908.983
Founded
1973 · 53 years
Last commercial register change
February 22, 2010
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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