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 · Imprint745,937 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesWinterthurDiener Partner AG Treuhand und Recht
Diener Partner AG Treuhand und Recht Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Diener Partner AG Treuhand und Recht provides tax, fiduciary and legal services as well as real estate administration and property sales mandates. Services include tax consulting, accounting and financial statements, payroll and social security filings, estate and corporate law advice, and property management and sales.

AI-generated
Offering

Products & services

Industry:Fiduciary Offices
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

Diener Partner AG Treuhand und Recht

✓ Offered4
Tax advisory
Tax advisory for income and wealth tax, value added tax, capital gains tax on real estate, gift and inheritance tax, and withholding tax; tax returns, rulings, appeal procedures and voluntary disclosures.
Finance and accounting
Financial bookkeeping and annual financial statements, accounts receivable and accounts payable bookkeeping, as well as VAT reporting.
HR administration
Payroll bookkeeping, social security and withholding tax reporting, as well as support on employment law matters.
Legal advisory
Property and inheritance law, company law, and advisory services for real estate sales, notarial and land registry law contracts, as well as lease and neighbour law.
Trust & reputation

ranQ Trust Score of Diener Partner AG Treuhand und Recht: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Diener Partner AG Treuhand und Recht 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%
Diener Partner AG Treuhand und Recht 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%
Diener Partner AG Treuhand und Recht 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%
Diener Partner AG Treuhand und Recht scores 10.3 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 35.10.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Diener Partner AG Treuhand und Recht 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 October 2026.

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

Knowledge

No knowledge articles yet

Once Diener Partner AG Treuhand und Recht has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Diener Partner AG Treuhand und Recht in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Diener Partner AG Treuhand und Recht by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Diener Partner AG Treuhand und Recht to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Unterer Graben 1
8400 Winterthur
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-108.040.392
Founded
1985 · 41 years
Last commercial register change
June 6, 2025
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.100.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Similar companies

    UT
    Unterland Treuhand Martin Senn
    Weiach
    TS
    TaxConcept Steuerberatung AG
    Maur
    ST
    Sarbach Treuhand AG
    Regensdorf
    AK
    a&o kreston ag
    Zurich
    RB
    radicant business services ag
    Zurich
    HR
    HMR Revisionsgesellschaft AG
    Zurich
    BA
    BusinessTreuhand AG
    Dübendorf
    SF
    Stonehage Fleming SA, succursale de Zürich
    Zurich