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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesJonaHAAS Treuhand AG
HAAS Treuhand AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of HAAS Treuhand AG encompasses the provision of fiduciary services, particularly in the areas of: * Tax and legal consulting for natural and legal persons * Administration and brokerage of real estate * Accounting and payroll accounting * Corporate and company consulting The company offers comprehensive services in these areas, ranging from consulting and support to control and settlement of accounting, fiscal and asset-related matters.

AI-generated
Offering

Products & services

Industry:Fiduciary Offices
✓ Offered3
Tax and legal consulting
Advising on tax matters for individuals and legal entities, tax returns and refund requests, capital gains tax on property, objections, representation before tax authorities, and contract and company law.
Real estate management and sales
Administration of rental properties and condominium ownership, letting and handover of rental properties, first lettings, care and monitoring of properties, and the sale and brokerage of real estate.
Accounting and payroll bookkeeping
Introduction and organisation of the accounting system, ongoing bookkeeping, short-term profit statements and balance sheets, year-end closing advisory, VAT returns, as well as payroll bookkeeping and payslip processing.
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3.8/5

HAAS Treuhand AG

Trust & reputation

ranQ Trust Score of HAAS Treuhand AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

HAAS Treuhand AG scores 45.7 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.29.524%
  • 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.65.210%
  • 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%
HAAS Treuhand 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%
HAAS 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.
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%
HAAS Treuhand AG scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

HAAS Treuhand AG reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 3.0 out of 5 stars from 12 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
3
of 5

Aggregated from 12 reviews across all connected sources

Sources
GGoogle312
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Lenggiserstrasse 10
8645 Jona
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 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.157.215
Founded
1997 · 29 years
Last commercial register change
March 29, 2016
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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