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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesSurseeiDEA Treuhand GmbH
iDEA Treuhand GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

iDEA Treuhand GmbH is a fiduciary firm providing trusteeship and tax services to private individuals, small businesses and SMEs. Its services include accounting and bookkeeping, tax advice and tax returns, payroll and personnel administration, tax domicile and mail administration, debt collection, real-estate fiduciary services, SME consulting, company formation, succession planning, business centre services and notarial services via partners.

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Products & services

Industry:Fiduciary Offices
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4.4/5

iDEA Treuhand GmbH

Accounting and Bookkeeping
Finance and accounting, bookkeeping and year-end closing work, annual financial statements, balance sheet, budgeting, closing analyses, financial planning and controlling.
Taxes and Tax Return
Tax advisory, tax planning and optimisation, preparation of tax returns, review of tax assessments, representation before tax authorities, advice on special taxes.
Payroll Accounting and HR Administration
Payroll accounting, salary and HR administration, payslips, settlement with social insurance, source tax reconciliations, wage statements, employment contracts and employment law advice.
Tax Domicile and Mail Administration
Tax domicile in Sursee, Rotkreuz or Zofingen, correspondence and mail forwarding, payment processing, administration/back office, bookkeeping and HR administration.
Debt Collection
Debt collection for outstanding customer invoices, reminders, debt collection applications and continuation applications to enforce open receivables.
Company Formation
Advisory and support for the formation of a GmbH or sole proprietorship, choice of legal form, business plan, registration in the commercial register and forwarding of the data to the notary.
Trust & reputation

ranQ Trust Score of iDEA Treuhand GmbH: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

iDEA Treuhand GmbH scores 87.4 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.87.924%
  • 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.76.210%
  • 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.100.08%
iDEA Treuhand GmbH scores 83.0 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%
iDEA Treuhand GmbH 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%
iDEA Treuhand GmbH scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

iDEA Treuhand GmbH reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 19 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
5
of 5

Aggregated from 19 reviews across all connected sources

Sources
GGoogle519
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Josef-Müller-Weg 6
6210 Sursee
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-356.585.152
Founded
2011 · 15 years
Last commercial register change
July 3, 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.
88.0
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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