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3S Conseils Sàrl

Summary

About the company

3S Conseils Sàrl is a consulting firm that advises individuals on tax, social‑security and administrative matters, with a focus on cross‑border issues between France and Switzerland. Services include tax declarations, guidance on URSSAF/CNTFS and social contributions, support for LMNP and real‑estate declarations, financial advice and tax optimisation.

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Industry:Fiduciary Offices

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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.

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3S Conseils Sàrl

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