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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesDietikonConSinius Treuhand AG
ConSinius Treuhand AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of ConSinius Treuhand AG encompasses a wide range of services in the fields of corporate consulting, accounting, human resources, tax consulting, and auditing. Specifically, the company offers the following services: Corporate consulting: advice on the founding, organization, and management of companies; Accounting: management of accounting, payroll accounting, and annual financial statements; Human resources: advice and support in salary administration and personnel management; Tax consulting: advice on tax matters, including value-added tax and annual financial statements; Auditing: performance of financial statement audits, special audits, and reviews of annual financial statements. The company positions itself as a reliable and competent partner for companies in overcoming challenges in the areas of finance, accounting, and taxes.

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4.0/5

ConSinius Treuhand AG

Fiduciary Offices
✓ Offered6
Bookkeeping
Organisation of financial administration and accounting, maintaining the financial ledgers including payment transactions, processing receivables and payables, annual financial statements, controlling and value-added tax.
Tax advisory
Tax advisory and preparation of tax returns for individuals, property owners and companies; tax planning, monitoring deadlines, review of assessments, objections and representation before tax authorities.
HR management
HR consulting and payroll accounting, including workforce planning, recruitment, entry and departure, payroll statements, salary certificates, social security declarations and reporting.
Business consulting
Business consulting from incorporation, through bookkeeping, controlling, HR management and tax advisory, to organisational consulting, restructuring, liquidation and mandates on the board of directors.
Audit of the annual financial statements
Financial audit and audit of the annual financial statements as statutory auditor, including voluntary audit, limited review and statutory audit.
Special audits
Special audits for incorporation and conversion, capital increases and capital reductions, mergers or liquidation, as well as valuation of companies.
Trust & reputation

ranQ Trust Score of ConSinius Treuhand AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

ConSinius Treuhand AG scores 56.8 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.73.124%
  • 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.35.310%
  • 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%
ConSinius Treuhand AG scores 89.3 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%
ConSinius Treuhand AG 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%
ConSinius Treuhand AG scores 10.9 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 35.10.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ConSinius Treuhand AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 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 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Silbernstrasse 5
8953 Dietikon
Opening hours
Mon
08:30 - 12:00, 13:30 - 17:00
Tue
08:30 - 12:00, 13:30 - 17:00
Wed
08:30 - 12:00, 13:30 - 17:00
Thu
08:30 - 12:00, 13:30 - 17:00
Fri
08:30 - 12:00, 13:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-104.117.771
Founded
1987 · 39 years
Last commercial register change
September 11, 2025
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.
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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