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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesAarauWelte Treuhand AG
Welte Treuhand AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Welte Treuhand is the provision of services in the areas of accounting, tax consulting, financial accounting, payroll accounting, administration and auditing for companies and private individuals.

AI-generated
Offering

Products & services

Industry:Fiduciary Offices
✓ Offered6
Accounting
Set up and run financial accounting, prepare interim and annual financial statements, produce VAT returns, and analyze key figures and annual financial statements.
Tax advisory
Prepare tax returns for individuals and legal entities, handle tax matters, clarify VAT issues, and support follow-up and criminal tax proceedings.
Payroll accounting
Run payroll accounting, prepare payslips and salary statements, coordinate reconciliations with financial accounting, and handle social insurance reporting and filings.
Business consulting
Support with company formation, business valuation, meetings with banks, financing, investment projects, sale of the company, and the succession process.
Administrative work
Manage correspondence, check or pay invoices, sort and archive supporting documents, and take over or support other recurring office work.
Audits
Limited and statutory audits via the partner network, including support for company formations, capital increases, capital reductions, mergers, and special audits.
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4.2/5

Welte Treuhand AG

Trust & reputation

ranQ Trust Score of Welte Treuhand AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Welte Treuhand AG scores 69.3 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.73.224%
  • 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.52.910%
  • 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.78.08%
Welte 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%
Welte 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%
Welte Treuhand AG scores 37.1 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 35.37.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Welte Treuhand AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 7 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.7
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.77
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Schiffländestrasse 27A
5000 Aarau
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 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-108.120.306
Founded
1987 · 39 years
Last commercial register change
December 19, 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.
100.0
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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