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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesZurichSwissInterTax AG
SwissInterTax AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of SwissInterTax AG is the comprehensive consulting of private individuals and companies in the areas of tax consulting, legal consulting and business consulting, with a focus on the interface between companies and private individuals, particularly for globally active companies and individuals with Swiss connections.

AI-generated
Offering

Products & services

Industry:Fiduciary Offices
✓ Offered9
Tax advisory
Tax advisory for individuals, businesses and public contracting authorities; including tax returns, tax planning, representation before authorities and tax proceedings.
Legal advice
Legal advice on tax and civil-law matters, estate administration, settlement of inheritance disputes, appeals proceedings and other special questions.
Business consulting
Business consulting for choice of legal form, company structures, holding arrangements, employee participation, financing and tax-optimised planning.
Succession and wealth planning
Succession and wealth planning with wealth structuring, advance inheritance, drafting of wills, foundations and retirement/estate planning.
Corporate structuring
Corporate structuring with choice of legal form, structuring, holding arrangements, carve-outs, financing and participation models, and optimisation of distributions and retained earnings.
International tax advice in relation to Germany
International tax advice in relation to Germany, including residence planning in Switzerland, negotiations with authorities, permits and advice on cross-border activities.
Real estate consulting
Real estate consulting on land structuring, advising architects and developers, and arranging mortgages.
Bookkeeping
Taking over bookkeeping as part of ongoing support and consulting.
Publication subscription service
Subscription service for the magazine «Zürcher Steuerpraxis» with order form and annual subscription.
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3.8/5

SwissInterTax AG

Trust & reputation

ranQ Trust Score of SwissInterTax AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

SwissInterTax AG scores 51.4 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.66.724%
  • 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.27.910%
  • 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.35.08%
SwissInterTax AG scores 85.5 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.55.07%
SwissInterTax 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%
SwissInterTax AG scores 1.4 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 35.1.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

SwissInterTax AG reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 4.5 out of 5 stars from 2 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
4.5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle4.52
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Secure profile

Location

Herzogstrasse 14
8044 Zurich

At a glance

Legal form
Corporation
UID
CHE-105.041.811
Founded
1999 · 27 years
Last commercial register change
May 16, 2012
Employees
1 to 10
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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