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

About the company

The core activity of Isler-Consolis AG encompasses consulting and services in the following areas: * Inheritance law and estate planning * Tax planning and consulting * Real estate law and administration * Mandates and guardianship * Notary and land registry services * Foundation establishment and administration * Execution of wills The company thus provides comprehensive solutions for private individuals and companies in the areas of asset planning, inheritance law and taxes.

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Products & services

Industry:Fiduciary Offices
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Isler-Consolis AG

✓ Offered4
Family and inheritance law
Advice, settlement of matrimonial property, division of the estate and execution of the will, intra-family business succession, estate administration, representation of heirs, foundation formation and administration, inheritance contract, will, marriage contract.
Fiduciary services: Taxes / Accounting
Tax advice and planning, tax returns including legal remedies proceedings, tax exemption for institutions, voluntary disclosures, bookkeeping, VAT returns, annual financial statements, payroll accounting and personnel administration.
Child and adult protection law
Advice, advance directive, appointment as advance directive holder/mandatary, safekeeping of the advance directive, division of the estate with minors or heirs with assistance.
Real estate
Advice, real estate sales, capital gains taxes on land including legal remedies proceedings, establishment of condominium ownership rights, legal structuring of developments.
Trust & reputation

ranQ Trust Score of Isler-Consolis AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Isler-Consolis AG scores 67.0 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.65.024%
  • 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.49.510%
  • 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.95.08%
Isler-Consolis 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%
Isler-Consolis 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%
Isler-Consolis 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

Isler-Consolis AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 out of 5 stars from 6 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
4.3
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.36
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Technikumstrasse 73
8400 Winterthur

At a glance

Legal form
Corporation
UID
CHE-114.887.669
Founded
2009 · 17 years
Last commercial register change
August 22, 2025
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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