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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryFinance & InsuranceAccountantLa Chaux-De-Fonds3S Conseils Sàrl
3S Conseils Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

3S Conseils Sàrl advises individuals on Swiss tax matters and cross-border taxation between France and Switzerland. Its services include support with tax returns and social security contributions, as well as financial and investment advice, retirement planning and advice on furnished rental properties.

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Products & services

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3S Conseils Sàrl

8
Cross-border taxation
Cross-border advice on taxation, retirement and wealth; support for cross-border workers and residents with tax returns, tax obligations, preventing double taxation and monitoring changes in circumstances.
Taxation in Switzerland
Tax returns for residents in Switzerland; analysis of the canton, income, deductions and tax obligations, with annual preparation and follow-up in case of changes or audits.
URSSAF and social contributions
Registration with URSSAF and reporting obligations; determining the correct social scheme, registration, filings, payment schedule and monitoring of contributions for cross-border workers and residents.
Financial advice
Financial analysis and wealth strategy; review of cash flows, investments, wealth organisation and objectives, with objective recommendations and regular adjustments.
LMNP setup and tax filing
Setting up the LMNP status and managing income declarations for rental income in France; choosing the micro-BIC or réel regime, liasse fiscale, forms and annual follow-up.
Tax optimisation
Analysis of the tax situation, income, wealth and costs/charges; identification of the legal levers, implementation of a compliant strategy and follow-up over time.
Tax returns for residents
Management of tax returns, accounting and social obligations for people domiciled in Switzerland, with tailored support depending on the canton and personal situation.
Tax returns for cross-border workers
Support for cross-border workers with their tax procedures on both sides of the border, depending on their status, place of residence and place of work.
Trust & reputation

ranQ Trust Score of 3S Conseils Sàrl: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 54% · As of November 2026

3S Conseils Sàrl 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%
3S Conseils Sàrl scores 50.8 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.25.012%
  • 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%
3S Conseils Sàrl scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
3S Conseils Sàrl 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

3S Conseils Sàrl reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». 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 November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Avenue Léopold-Robert 37
2300 La Chaux-De-Fonds

At a glance

Legal form
Limited Liability Company
UID
CHE-334.128.562
Founded
2025 · 1 year
Last commercial register change
September 4, 2026
Employees
1 to 10

Active in 1 of 26 cantons

  • NENeuchâtel
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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