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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryFinance & InsuranceAccountantUsterColumna Treuhand AG
Columna Treuhand AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Columna Treuhand AG provides fiduciary and business consultancy services to companies and individuals. Its services include bookkeeping and annual accounts, tax advice and representation, payroll and personnel administration, corporate law support, and financial and liquidity planning.

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Service area

Offering

Products & services

Industry:Accountant
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Columna Treuhand AG

✓ Offered6
Trust and Business Consulting
Trust services and business consulting for sole proprietorships, legal entities and private individuals; support with administrative and professional tasks according to individual needs.
Bookkeeping and Financial Statements
Maintaining accounts, preparing VAT returns, accounts receivable and accounts payable bookkeeping, as well as preparing and optimizing financial statements according to legal requirements.
Tax Advisory and Tax Returns
Preparation of tax returns for natural and legal persons, special tax returns, tax advisory and tax planning, as well as representation before tax authorities.
Payroll and Personnel Administration
Organization of payroll accounting, monthly payroll statements, settlement with social insurance and withholding taxes, salary certificates, as well as personnel files and employment contracts.
Company Law and Company Formations
Company formation, amendments to articles of association, restructurings, as well as updating commercial register entries and other company law matters on request.
Business Consulting
Advisory support for business decisions, financial and liquidity planning, insurance comparisons, registrations with authorities, conversions, turnarounds, liquidations and succession arrangements.
Trust & reputation

ranQ Trust Score of Columna Treuhand AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Columna Treuhand AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Columna Treuhand AG scores 83.5 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.95.212%
  • 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%
Columna 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.
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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%
Columna Treuhand AG scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Columna Treuhand AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Aathalstrasse 84
8610 Uster

At a glance

Legal form
Corporation
UID
CHE-244.618.703
Founded
2013 · 13 years
Last commercial register change
May 14, 2025
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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