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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesMellingenEffida Treuhand und Revisionen AG
Effida Treuhand und Revisionen AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Effida Treuhand & Revisionen AG encompasses auditing, fiduciary services and corporate consulting, including services such as auditing, tax consulting, real estate management, accounting, controlling and financing.

AI-generated
Offering

Products & services

Industry:Fiduciary Offices
✓ Offered4
Financial auditing
Limited and ordinary audit, audits and reviews according to law and on mandate, special and specific audits, forensic examinations, due-diligence and IKS reviews.
Trust and advisory
Bookkeeping, financial statement advisory, outsourcing of finance and payroll accounting, VAT reporting, CFO services, company formation, domiciliation services and business consulting.
Tax and legal
Tax returns for individuals and legal entities, tax planning and optimisation, negotiations with tax authorities, support in tax proceedings and general legal advice.
Property management
Management of rental properties and condominium ownership, as well as buying and selling real estate.
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4.0/5

Effida Treuhand und Revisionen AG

Trust & reputation

ranQ Trust Score of Effida Treuhand und Revisionen AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 88% · As of October 2026

Effida Treuhand und Revisionen AG scores 53.3 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.68.224%
  • 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.17.610%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Effida Treuhand und Revisionen AG scores 82.3 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.92.512%
  • 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%
Effida Treuhand und Revisionen 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%
Effida Treuhand und Revisionen AG scores 48.6 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 35.48.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Effida Treuhand und Revisionen AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. The data basis is 88%, 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Salzmattstrasse 4
5507 Mellingen
Opening hours
Mon
08:00 - 12:00, 14:00 - 17:00
Tue
08:00 - 12:00, 14:00 - 17:00
Wed
08:00 - 12:00, 14:00 - 17:00
Thu
08:00 - 12:00, 14:00 - 17:00
Fri
08:00 - 12:00, 14:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.631.600
Founded
2014 · 12 years
Last commercial register change
February 18, 2021
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.100.06%
  • 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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