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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesWinterthurTreuhandbüro Werner Eicher Verwaltungs- und Treuhand AG
Treuhandbüro Werner Eicher Verwaltungs- und Treuhand AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of the company 'Treuhandbüro Werner Eicher' encompasses the provision of services in the field of administration and trust, particularly: accounting and financial and accounting services, tax returns and tax optimization, company formation and consulting, personnel and payroll administration, and inheritance and adult protection law. The company thus provides comprehensive support for small and medium-sized enterprises, associations, foundations, and private individuals in tax and legal matters.

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Products & services

Industry:Fiduciary Offices
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4.1/5

Treuhandbüro Werner Eicher Verwaltungs- und Treuhand AG

✓ Offered6
Accounting
Accounting, financial and management accounts, general and subsidiary ledgers, annual, half-yearly, quarterly and monthly closings, cost accounting, key figures, software training.
Tax Advisory and Tax Returns
Tax advisory, tax returns, year-end advice, tax planning and optimisation, review of assessments and tax bills, objection and appeal procedures, representation before authorities.
Company Formation and Advisory
Company formations, incorporation documents and articles, business plans, office organisation, insurance concept, corporate financing, business strategies, analyses, mergers, reorganisations, restructurings and liquidations.
HR Administration and Payroll
Employee master data, monthly payroll processing, entries and exits, employment contracts, salary certificates, social insurance, notifications, withholding tax, labour law, recruitment and expense regulations.
Estate Planning and Adult Protection
Estate planning, wills, executorship, advance care mandates and living wills, plus advice on asset succession and adult protection law.
Backoffice Services
Administration setup and management, staff training, diary management, telephone service, typing, payments, invoicing and dunning, databases, events, mailings and newsletters.
Trust & reputation

ranQ Trust Score of Treuhandbüro Werner Eicher Verwaltungs- und Treuhand AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Treuhandbüro Werner Eicher Verwaltungs- und Treuhand AG scores 65.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.72.124%
  • 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.40.910%
  • 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.78.08%
Treuhandbüro Werner Eicher Verwaltungs- und 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%
Treuhandbüro Werner Eicher Verwaltungs- und 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%
Treuhandbüro Werner Eicher Verwaltungs- und Treuhand AG scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Treuhandbüro Werner Eicher Verwaltungs- und Treuhand AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.8 out of 5 stars from 4 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
4.8
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle4.84
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Wülflingerstrasse 271
8408 Winterthur
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:30
Tue
08:00 - 12:00, 13:30 - 17:30
Wed
08:00 - 12:00, 13:30 - 17:30
Thu
08:00 - 12:00, 13:30 - 17:30
Fri
08:00 - 12:00, 13:30 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.341.598
Founded
1990 · 36 years
Last commercial register change
June 14, 2021
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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