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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesSustenQuadis Treuhand AG
Quadis Treuhand AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Quadis Treuhand AG provides fiduciary and advisory services, including tax advice for individuals and legal entities, accounting, payroll, HR and business consultancy. The group also offers audit services (performed by Quadis Revisionen GmbH), management mandates and family office support, explicitly excluding asset management.

AI-generated
Offering

Products & services

Industry:Fiduciary Offices
✓ Offered7
Fiduciary services
Tax advisory for individuals and legal entities, accounting, financial and operating bookkeeping, VAT returns, financial statement advice, budgeting and business consulting.
Tax advisory
Tax advisory for individuals and legal entities, national and international tax planning, lump-sum taxation, capital gains taxes on property, tax returns and representation before tax authorities.
Accounting services
Financial and accounting services, management of financial and operating books, VAT consulting, financial statement advice, budgeting, cash flow plans, payroll accounting, social insurance and consolidations.
Business consulting
Succession arrangements, retirement planning, division of inheritance, corporate restructuring, company start-ups, project management, business plans, business valuations and expert reports.
HR tasks and payroll accounting
Monthly payroll statements, year-end processing, payroll slips, cross-border employment relationships, withholding tax, social insurance, personnel recruitment and employment law support.
Audits
Limited audits, audit mandates for public administrations, special audits under company law, due diligence as well as the setup and review of internal control systems.
Family Office
Tax advisory in Switzerland and abroad, establishment of family offices, concierge service, coordination of payments as well as management of accounting, payroll, HR services, mandates and real estate.
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4.1/5

Quadis Treuhand AG

Trust & reputation

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

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Quadis 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.
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%
Quadis Treuhand AG scores 95.0 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.82.07%
Quadis Treuhand AG scores 83.3 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).83.322%
Quadis Treuhand AG scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Quadis 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 October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Pletschenstrasse 20
3952 Susten

At a glance

Legal form
Corporation
UID
CHE-107.932.632
Founded
1978 · 48 years
Last commercial register change
September 4, 2025
Employees
21 to 50
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.95.03%
    • Full methodology

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