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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryPublic Administration & EducationContinuing Education InstitutesZurichSTS SCHWEIZERISCHE TREUHÄNDER SCHULE AG
STS SCHWEIZERISCHE TREUHÄNDER SCHULE AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of the company 'Treuhand Suisse' is the consulting and support of companies, particularly small and medium-sized enterprises (SMEs), in the areas of restructuring, valuation and management. This also includes training and further education offers for trustees and entrepreneurs. The association also provides resources and information on trust-related topics and represents the interests of its members.

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STS SCHWEIZERISCHE TREUHÄNDER SCHULE AG

✓ Offered8
Training in fiduciary services
Courses to prepare for the professional exam in fiduciary services and consulting (BfT), the Sachbearbeiter*in Treuhand SBTH programme, and preparatory and revision courses for the BfT final examination.
Conferences
Annual conferences with concise presentations on current developments in everyday fiduciary practice, opportunities for exchange and business contacts; including TREUHAND|INTENSIV, TREUHAND|TAKEOFF, TREUHAND|MODULAR and TREUHAND|UPDATE.
Seminars
Half-day and full-day seminars on current fiduciary topics such as taxes, law, auditing, accounting, payroll administration, data protection, retirement and digitalisation.
Certificate courses
Multi-day advanced courses with an optional final exam and certificate, for example on cross-border MWST, succession planning, annual financial statements, IT law and AI, or legal matters for fiduciaries.
Online continuing education
Online continuing education modules on the TREUHAND|CAMPUS platform, bookable individually or as part of an annual subscription, covering topics in fiduciary services, law, taxes, auditing, digitalisation and management.
Core modules
Ongoing online modules on working methods, consultation meetings, delegating and reporting back, digitalisation, financial and accounting management, law, auditing, taxes and team leadership.
TREUHAND|CAMPUS Professional annual subscription
Annual membership on the TREUHAND|CAMPUS online platform with access to industry know-how, conferences and online continuing education; usable with an individual number of logins.
Fit for TREX study
Online course with learning drills, videos and other tools to prepare for TREX studies and the programme for the graduate fiduciary expert (dipl.). Can be used independent of time and location.
Trust & reputation

ranQ Trust Score of STS SCHWEIZERISCHE TREUHÄNDER SCHULE AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

STS SCHWEIZERISCHE TREUHÄNDER SCHULE AG scores 80.3 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.85.024%
  • 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.77.410%
  • 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.70.08%
STS SCHWEIZERISCHE TREUHÄNDER SCHULE 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%
STS SCHWEIZERISCHE TREUHÄNDER SCHULE 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%
STS SCHWEIZERISCHE TREUHÄNDER SCHULE AG scores 97.1 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 35.97.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

STS SCHWEIZERISCHE TREUHÄNDER SCHULE AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.9 out of 5 stars from 20 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
4.9
of 5

Aggregated from 20 reviews across all connected sources

Sources
GGoogle4.920
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Josefstrasse 53
8005 Zurich

At a glance

Legal form
Corporation
UID
CHE-104.157.026
Founded
2001 · 25 years
Last commercial register change
June 23, 2026
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.100.06%
  • 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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