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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesZurichTrewitax Zürich AG
Trewitax Zürich AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is the provision of services in the areas of auditing, tax consulting, trust, financial and payroll accounting, as well as business consulting and restructuring. The company offers comprehensive consulting and services from a single source and supports customers in the development, implementation and optimization of their business processes.

AI-generated
Offering

Products & services

Industry:Fiduciary Offices
✓ Offered6
Fiduciary services, financial & payroll accounting
Fiduciary services, financial & payroll accounting with digitally enabled processes, timely processing of the data, payment transactions, dunning and support with debt collection, VAT and financing matters.
Annual financial statements & tax returns
Annual financial statements according to HGB, IFRS and tax law as well as timely tax returns based on accounting prepared by us or by the client.
Tax structuring & international tax advisory
Tax-related structural advice for private individuals and companies, international corporate structures, succession advisory, transfer pricing documentation, emigration, cross-border commuters and dual-resident employees.
Business management and M&A advisory
Advisory on investment and financing matters, integrated business planning, company values, tax and financial due diligence as well as cross-border purchase and sale processes.
Financial auditing
Statutory and voluntary financial statement audits as well as support during audit processes; additionally, support with the digitisation and automation of commercial processes.
Sustainability service
Status-quo analysis for reporting requirements, process optimisation for ESRS data and review of sustainability reports in connection with the CSRD.
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4.2/5

Trewitax Zürich AG

Trust & reputation

ranQ Trust Score of Trewitax Zürich AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Trewitax Zürich AG scores 66.9 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.73.124%
  • 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.35.310%
  • 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.88.08%
Trewitax Zürich 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%
Trewitax Zürich AG 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%
Trewitax Zürich AG scores 71.4 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 35.71.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Trewitax Zürich AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 3 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
5
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Uraniastrasse 18
8001 Zurich
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-109.047.735
Founded
2001 · 25 years
Last commercial register change
October 22, 2024
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.
100.0
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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