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

About the company

The core activity of Bianco Treuhand consists of providing services in the field of trust services, including accounting, tax consulting, corporate consulting and other related financial services.

AI-generated
Offering

Products & services

Industry:Fiduciary Offices
✓ Offered5
Bookkeeping
Bookkeeping, annual accounts, VAT returns, payroll administration, tax returns, temporary cover, troubleshooting, financial planning and financial advice.
Tax Advisory
Tax returns for private individuals and companies, tax optimisation, VAT returns, changes from withholding tax, supplementary assessments and support with tax authorities.
Business Consulting
Business consulting, controlling, restructuring, tax advice and financial planning, plus support in dealings with authorities and public offices.
Payroll and HR Administration
Payroll calculations, salary certificates, AHV/IV/EO statements, accident and daily sickness benefit insurance statements, withholding tax statements, personnel analysis, outsourcing and temporary cover.
Company Formation
Advice on legal form, company formation, commercial register registration, AHV/IV/EO registration, insurance needs analysis, bookkeeping setup, financial planning and dealings with authorities.
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4.0/5

Bianco Treuhand

Trust & reputation

ranQ Trust Score of Bianco Treuhand: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Bianco Treuhand scores 63.1 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.35.08%
Bianco Treuhand scores 78.5 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%
Bianco Treuhand 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%
Bianco Treuhand scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bianco Treuhand 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.

Knowledge

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Location

Rütenenstrasse 10 b
8956 Killwangen

At a glance

Legal form
Sole proprietorship
UID
CHE-112.506.471
Founded
2005 · 21 years
Last commercial register change
April 28, 2009
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.
67.0
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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