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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesManagement consultantDättwil AgSigma Treuhand GmbH
Sigma Treuhand GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Sigma Treuhand GmbH is the provision of trust services, particularly in the areas of accounting, personnel, taxes and company formation, for small and medium-sized enterprises (SMEs) as well as private individuals.

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Products & services

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4.1/5

Sigma Treuhand GmbH

✓ Offered4
Accounting
Maintaining financial accounting, accounts receivable and accounts payable bookkeeping, interim and annual financial statements, bookkeeping on site, as well as VAT returns and reconciliations.
HR administration / payroll accounting
Maintaining payroll accounting, HR administration with employment contracts and changes for social insurance, annual social insurance declarations, and withholding tax registrations and settlements.
Taxes
Tax consulting, tax planning and tax optimization, tax returns for legal entities and individuals, review of tax assessments and tax invoices, tax objections, and representation in tax audits.
Business consulting
Business start-ups, restructurings, liquidations, budgeting, financial planning, business valuation, and succession arrangements.
Trust & reputation

ranQ Trust Score of Sigma Treuhand GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Sigma Treuhand GmbH 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.
x
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%
Sigma Treuhand GmbH scores 80.9 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.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%
Sigma Treuhand 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%
Sigma Treuhand GmbH scores 45.7 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 35.45.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sigma Treuhand GmbH 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

Täfernstrasse 32
5405 Dättwil Ag

At a glance

Legal form
Limited Liability Company
UID
CHE-145.594.660
Founded
2013 · 13 years
Last commercial register change
March 3, 2022
Employees
1 to 10

Active in 1 of 26 cantons

  • AGAargau
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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