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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesHolderbank AgTreuhand Petra Hauser GmbH
Treuhand Petra Hauser GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Treuhand Petra Hauser GmbH is the provision of services in the areas of trust, accounting, tax returns and tax consulting. Specifically, this includes: accounting, VAT declaration, financial statement preparation, withholding tax, personnel administration, payroll administration, social insurance, tax returns for companies and individuals, and property management. The company offers these services as a trust company and has many years of experience in various industries.

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Products & services

Industry:Fiduciary Offices
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4.0/5

Treuhand Petra Hauser GmbH

✓ Offered4
Bookkeeping
Bookkeeping, VAT returns, preparation of financial statements and withholding tax for companies and private individuals.
Personnel and payroll administration
Personnel administration, payroll administration and processing of social insurance as ongoing administrative fiduciary services.
Tax returns
Tax returns for companies and private individuals, including support with tax reporting.
Property management
Property management, supplemented by the other fiduciary and administrative services.
Trust & reputation

ranQ Trust Score of Treuhand Petra Hauser GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Treuhand Petra Hauser GmbH scores 69.7 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.78.124%
  • 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.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.70.08%
Treuhand Petra Hauser GmbH scores 67.8 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.64.612%
  • 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%
Treuhand Petra Hauser GmbH 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%
Treuhand Petra Hauser GmbH scores 4.6 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 35.4.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Treuhand Petra Hauser GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 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
5
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle56
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Von Effingerstrasse 5
5113 Holderbank Ag
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-420.883.517
Founded
2021 · 5 years
Last commercial register change
March 29, 2021
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.
88.0
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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