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
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesDiepoldsauhartmannpartner experts ag
hartmannpartner experts ag Logo
Verified· 4 sourcesTrust Score
Summary

About the company

M. Hartmann Treuhand AG provides fiduciary, tax and audit services as well as business consulting, succession planning and real estate valuation. The firm handles bookkeeping, preparation of annual financial statements, VAT and fiscal representation, acts as an ABACUS distributor and performs audits as a revision expert approved by the federal audit oversight authority (RAB).

AI-generated
Offering

Products & services

Industry:Fiduciary Offices
✓ Offered5
Accounting and fiduciary services
Accounting, financial statements, business consulting, company formation and fiscal representation for companies, entrepreneurs and non-profit organisations; digital processes, VAT reporting, annual financial statements and interim financial statements.
Real estate valuation
Real estate valuation in Eastern Switzerland for owners and companies, as a supplementary fiduciary and advisory service.
Business consulting
Business consulting for business decisions, company valuation and development and implementation of succession strategies.
Company formation
Advice on choosing the legal form, company formation and, on request, time-limited or permanent mandates for the board of directors or management.
Fiscal representation
Advisory services and assumption of fiscal representation for companies with VAT-liable services in Switzerland.
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
4.2/5

hartmannpartner experts ag

Trust & reputation

ranQ Trust Score of hartmannpartner experts ag: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 100% · As of October 2026

hartmannpartner experts ag scores 67.6 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.73.324%
  • 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.45.610%
  • 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%
hartmannpartner experts ag scores 90.9 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%
hartmannpartner experts 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%
hartmannpartner experts ag scores 37.3 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 35.31.44%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.43.34%
Qualifications+0.00

hartmannpartner experts ag reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 5 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle4.85
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

May 1, 2026Media
Aus M. Hartmann Treuhand AG wird Hartmannpartner Experts AG
leaderdigital.ch
June 19, 2024Media
M. Hartmann Treuhand AG etabliert sich als Abacus-Partner
leaderdigital.ch
December 18, 2023Media
M. Hartmann Treuhand AG expandiert in den Bezirk Werdenberg
leaderdigital.ch

Knowledge

No knowledge articles yet

Once hartmannpartner experts ag has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

hartmannpartner experts ag in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank hartmannpartner experts ag by reviews, experience and specialisations.

Is this your company?

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

Secure profile

Location

Bogenstrasse 6
9444 Diepoldsau
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-108.378.170
Founded
1999 · 27 years
Last commercial register change
May 1, 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.85.03%
    • Full methodology

    Similar companies

    SS
    SHT Silvio Hartmann Treuhand AG
    Diepoldsau
    RT
    Rhenum Treuhand AG
    Altstätten Sg
    TG
    Treuhandvision GmbH
    Abtwil Sg
    MT
    Mlejnek Treuhand GmbH
    Rorschach
    BU
    Buchhaltungs- und Treuhand AG Altstätten SG
    Altstätten Sg
    RI
    RT Immobilien Treuhand AG
    Altstätten Sg
    AI
    Apfelberg ImmoService & -Treuhand AG
    St. Gallen
    AA
    ATIG AG
    Gossau Sg