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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesOberuzwilBrenner Treuhand AG
Brenner Treuhand AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Brenner Treuhand AG provides fiduciary (treuhand), tax advisory and audit services, as well as legal and real-estate advisory. The firm works notably with physicians and small and medium-sized enterprises, supporting accounting, tax matters and audit tasks.

AI-generated
Offering

Products & services

Industry:Fiduciary Offices
✓ Offered6
Fiduciary services for doctors
Fiduciary services, taxes and legal support for doctors; guidance with practice start-up, practice takeover, location selection, business plan, financing, permits, registrations and administrative tasks.
Fiduciary services
Bookkeeping, closing advisory, payroll accounting, social insurance, administrative work, strategy advisory, annual financial statements, business plan and budget, Mergers and acquisitions, as well as further fiduciary consulting.
Tax advisory
Corporate and personal tax returns, tax optimisation, VAT reporting, tax-efficient legal form comparisons, location selection, declaration of real estate capital gains tax, and inheritance and gift tax.
Audit
Limited audit, incorporation audit and other audit-related advisory; review of the annual financial statements according to legal requirements by a licensed auditor.
Legal advice
Company law, employment law, tenancy law, mandate for incapacity, family and inheritance law, will, advance healthcare directive, emergency folder, as well as further legal advice with partner law firms.
Real estate
Property valuation, support with property purchase, property sales, property rental, financing advice, as well as real estate capital gains tax and replacement investment.
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4.3/5

Brenner Treuhand AG

Trust & reputation

ranQ Trust Score of Brenner Treuhand AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 100% · As of October 2026

Brenner Treuhand AG scores 77.5 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.83.324%
  • 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.63.210%
  • 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.78.08%
Brenner Treuhand 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%
Brenner Treuhand AG scores 86.7 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).86.722%
Brenner Treuhand AG scores 30.7 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 35.51.44%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

Brenner Treuhand AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 11 customer reviews. 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 11 reviews across all connected sources

Sources
GGoogle511
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

July 21, 2011Media
Beratungszentrum gut gestartet
tagblatt.ch

Knowledge

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Location

Gewerbestrasse 6
9242 Oberuzwil
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:00
Tue
07:30 - 12:00, 13:30 - 17:00
Wed
07:30 - 12:00, 13:30 - 17:00
Thu
07:30 - 12:00, 13:30 - 17:00
Fri
07:30 - 12:00, 13:30 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.932.023
Founded
1982 · 44 years
Last commercial register change
August 17, 2026
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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