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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesArlesheimBirseck-Treuhand AG
Birseck-Treuhand AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activities of Birseck-Treuhand AG include: * Tax consulting and planning for individuals and legal entities * Financial and accounting consulting, including bookkeeping and financial reporting * Auditing and revision, including statutory audit services * Consulting and support for SMEs (Small and Medium-sized Enterprises) in the areas of finance, tax and law * Pension planning and payroll administration * Support for Mergers & Acquisitions (M&A) and company valuations The company thus offers comprehensive services in the areas of financial and tax consulting, auditing and corporate consulting.

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Products & services

Industry:Fiduciary Offices
✓ Offered
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4.1/5

Birseck-Treuhand AG

5
Tax advisory and tax returns
Tax advice for individuals and legal entities, tax returns, tax advice for restructurings and succession planning, MWST declarations and MWST representation.
Audit services
Statutory audit services, audits on mandate and review, special audits such as formation, capital increase, capital reduction and merger audits.
Financial reporting and accounting advisory
Bookkeeping according to OR, Swiss GAAP FER, IFRS and HRM2, financial statement advisory, financial reporting, transition of accounting standards, personnel administration and payroll accounting.
SME advisory
SME succession arrangements, mergers & acquisitions advisory, business valuations, start-up support, advisory on employee share participation plans.
Estate mandates and provision planning
Estate-related mandates, will executor mandates and provision planning for private individuals.
Trust & reputation

ranQ Trust Score of Birseck-Treuhand AG: 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.

Birseck-Treuhand AG 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%
Birseck-Treuhand AG 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%
Birseck-Treuhand AG 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%
Birseck-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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Birseck-Treuhand AG 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.

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Location

Postplatz 7
4144 Arlesheim
Opening hours
Mon
08:00 - 12:00, 13:30 - 18:00
Tue
08:00 - 12:00, 13:30 - 18:00
Wed
08:00 - 12:00, 13:30 - 18:00
Thu
08:00 - 12:00, 13:30 - 18:00
Fri
08:00 - 12:00, 13:30 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.763.060
Founded
1994 · 32 years
Last commercial register change
March 9, 2026
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.
100.0
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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