ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Partner program
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryFinance & InsuranceAuditorWinterthurRuedi Niederhauser
Ruedi Niederhauser Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Ruedi Niederhauser provides fiduciary services to SMEs and other organisations. Services include accounting, tax advice and tax returns, auditing and statutory reviews, as well as payroll and social security administration.

AI-generated
Presence

Service area

Offering

Products & services

Industry:AuditorAccountant
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
4.1/5

Ruedi Niederhauser

✓ Offered6
Accounting
Accounting for SMEs and other organizations, in particular balance sheet preparation, bookkeeping and VAT settlements, as well as control in accounting.
Tax services
Tax services for SMEs and other organizations, including tax advisory, tax returns and support with tax settlements.
Financial auditing
Financial auditing and statutory audit, including the audit body within the meaning of company law, as well as review and control of financial statements.
Payroll services
Payroll services for companies, including payroll accounting, payslips and reporting for social security contributions.
Business consulting
Business consulting for SMEs and other organizations, with advice, support, implementation and control in business management matters.
Company formations
Company formations and support in choosing the legal form.
Trust & reputation

ranQ Trust Score of Ruedi Niederhauser: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Ruedi Niederhauser has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Ruedi Niederhauser 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%
Ruedi Niederhauser 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%
Ruedi Niederhauser scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ruedi Niederhauser reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Knowledge

No knowledge articles yet

Once Ruedi Niederhauser has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Ruedi Niederhauser in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Ruedi Niederhauser by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Ruedi Niederhauser to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Büelhofstrasse 37
8405 Winterthur

At a glance

Legal form
Sole proprietorship
UID
CHE-107.153.125
Founded
1989 · 37 years
Last commercial register change
May 16, 1995
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ZHWinterthur
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

    Similar companies

    KT
    KMU Treuhandexperte GmbH
    Thalwil
    PW
    PKF Wirtschaftsprüfung AG
    Zurich
    TZ
    Trewitax Zürich AG
    Zurich
    AT
    Advisor Treuhand AG
    Adliswil
    TW
    Treuhandbüro Waldmeier GmbH
    Zurich
    OT
    ORSINI Treuhand AG
    Winterthur
    L&
    Lenherr & Partner AG
    Zurich
    PR
    PRT Revisions & Treuhand AG
    Winterthur