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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesMassagnoNag SA
Nag SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Nag SA provides fiduciary and corporate services including company incorporation, administrative and accounting management, and tax and payroll compliance for corporate and private clients. Offerings also include a management control system (NAG Control), domiciliation, support for company sales and transfers, and dispute/collections management.

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Products & services

Industry:Fiduciary Offices
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Nag SA

✓ Offered7
Accounting management
Complete accounting management for companies and sole proprietorships, VAT reporting, salaries and social insurance, financial statement closings and income statements, tax returns.
Business consulting
Setups and start-ups of AG, GmbH and sole proprietorships, administrative and accounting management, tax consulting, process and structure optimization, turnaround projects, temporary management.
Dispute management
Complete management of debtors, collections and reminders, personalized contacts with debtors, repayment plans, liquidity planning, representation in enforcement and legal proceedings.
Company domiciliation
Provision of a registered office and postal address, furnished offices, meeting rooms, four-language secretarial services, telephone, fax, e-mail, photocopies and IT equipment.
NAG Control
Real-time management and financial control system for SMEs, catering and retail trade, with a monthly income statement and rapid verification of results.
Buying and selling businesses
Support for the sale and purchase of businesses, verification of management and asset-related data, documentation prepared by experts, support through to the contract and handover.
Consulting for living in Switzerland
360° consulting: legal, insurance and tax formalities, help finding accommodation, procedures for professional activity, family office, ongoing support.
Trust & reputation

ranQ Trust Score of Nag SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Nag SA scores 56.5 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: 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.70.08%
Nag SA scores 89.3 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.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.70.07%
Nag SA 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%
Nag SA scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Nag SA 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 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 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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Location

Via Besso 86
6900 Massagno
Opening hours
Mon
09:00 - 17:00
Tue
09:00 - 17:00
Wed
09:00 - 17:00
Thu
09:00 - 17:00
Fri
09:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.977.381
Founded
1991 · 35 years
Last commercial register change
April 16, 2021
Employees
11 to 20
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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