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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesKriensPortmann Treuhand AG
Portmann Treuhand AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Portmann Treuhand AG provides fiduciary and accounting services, including bookkeeping, preparation of financial statements, tax advice and audits. The firm also delivers payroll and VAT filings and corporate services for SMEs such as company formations, reorganizations, mergers, pension-related advice, succession planning and contract consulting.

AI-generated
Offering

Products & services

Industry:Fiduciary Offices
✓ Offered9
Bookkeeping
Management and advisory for bookkeeping, annual financial statements, financial, accounts receivable, accounts payable and payroll accounting as well as VAT returns, budgeting, cash-flow planning and balance-sheet and profit/loss analyses.
Tax consulting
Tax advice for companies and individuals, including questions relating to VAT and tax aspects connected with bookkeeping and the preparation of financial statements.
Audits
Review reports for checking the bookkeeping with reporting; brokerage of statutory audit mandates via a partner firm.
Payroll statements
Personnel administration and payroll accounting, including preparation of AHV, SUVA, BVG and withholding tax statements.
Reorganisations
Advisory and handling of reorganisations, in particular converting sole proprietorships into GmbHs or joint-stock companies.
Mergers
Advising and supporting mergers between companies, taking legal, organisational and economic aspects into account.
Retirement provision advisory
Tailored advice to coordinate the three pillars of retirement provision, including an IST analysis and questions about bank or insurance solutions.
Succession planning
Systematic succession planning in the event of a change of generation or the sale of a business, involving entrepreneurs, families, employees and buyers.
Contract advisory
Advice on general contract law and contract types under the Code of Obligations (OR), such as purchase, lease, employment and contracts for work.
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4.1/5

Portmann Treuhand AG

Trust & reputation

ranQ Trust Score of Portmann 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.

Portmann 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%
Portmann 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%
Portmann 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%
Portmann Treuhand AG 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

Portmann 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

Luzernerstrasse 45
6010 Kriens

At a glance

Legal form
Corporation
UID
CHE-108.036.858
Founded
1984 · 42 years
Last commercial register change
September 7, 2016
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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