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

About the company

The core activity of Conz Treuhand AG is the provision of trust services, particularly in the areas of auditing, tax consulting, accounting, business consulting, and property management. The company supports and relieves its clients in these areas, enabling them to focus on their core business.

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Products & services

Industry:Fiduciary OfficesProperty Management
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3.9/5

Conz Treuhand AG

Real Estate Brokerage
✓ Offered5
Financial Auditing
Statutory audits, limited and ordinary audits, review (PS 910), audits of formations and capital increases, as well as special audits under merger law.
Tax Consulting
Tax returns for individuals and legal entities, extensions of deadlines, review of assessments and invoices, objections, tax planning, VAT and withholding tax matters.
Accounting
Maintain general and subsidiary ledgers, review postings, prepare interim and annual financial statements as well as planning and budgeting; in addition, payroll administration and social security accountings.
Business Consulting
Company formations, mergers, restructurings, liquidations, turnarounds, business valuations, due diligence, expert reports, as well as fiduciary services and legal advice for SMEs.
Real Estate Management and Operations
Operations of rental properties, administration of condominium owner communities, sale and brokerage of residential and commercial real estate, property valuations and real estate consulting.
Trust & reputation

ranQ Trust Score of Conz Treuhand AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 100% · As of October 2026

Conz Treuhand AG scores 53.9 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.60.724%
  • 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.40.910%
  • 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.50.08%
Conz Treuhand 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%
Conz 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%
Conz Treuhand AG scores 14.3 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 35.28.64%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Conz Treuhand AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 out of 5 stars from 4 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
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle44
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

June 1, 2017Media
Verschwiegenheit und Diskretion seit drei Jahrzehnten
oltnertagblatt.ch

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Location

Solothurnerstrasse 257
4600 Olten
Opening hours
Mon
07:30 - 11:30, 13:30 - 17:00
Tue
07:30 - 11:30, 13:30 - 17:00
Wed
07:30 - 11:30, 13:30 - 17:00
Thu
07:30 - 11:30, 13:30 - 17:00
Fri
07:30 - 11:30, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-103.939.411
Founded
1987 · 39 years
Last commercial register change
December 4, 2025
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

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