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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesZugProsperus AG
Prosperus AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Prosperus AG is a fiduciary and consulting firm providing accounting, financial reporting, tax advisory, payroll administration and company administration services. Additional offerings include audit services, legal advice and business consulting for private clients, SMEs and international companies.

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Products & services

Industry:Fiduciary Offices
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Prosperus AG

✓ Offered
7
Bookkeeping & Accounting
Financial and management accounting, subsidiary ledgers such as receivables, payables and payroll accounting, interim reports, annual financial statements and consolidated financial statements under OR, FER, IFRS or US GAAP.
Tax advisory
Advice and tax planning for companies and individuals, tax returns, review of assessments and tax bills, value-added tax, international tax matters and representation before tax authorities.
Personnel administration
Monthly salary statements, national and international social security issues, pension provision advice and fulfilment of the reporting and contribution obligations under social security law.
Fiduciary & Company Administration
Company administration and management activities, advice on company organization and assumption of board and managing-director mandates.
Management consulting
Advisory services for set-ups, restructuring, turnarounds and liquidations, support for start-ups, business plans, budgeting, financing and succession planning.
Auditing
Ordinary and limited audits, audits of individual and consolidated financial statements, special audits, due diligence reviews, company valuations, reviews of internal control systems (ICS) and internal audit mandates.
Legal advisory
Support with contracts, matters of family and inheritance law, executor mandates and corporate law issues.
Trust & reputation

ranQ Trust Score of Prosperus 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.

Prosperus 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%
Prosperus 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%
Prosperus 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%
Prosperus AG scores 12.3 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 35.12.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Prosperus 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

Baarerstrasse 43
6300 Zug
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-289.515.703
Founded
2014 · 12 years
Last commercial register change
April 24, 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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