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Ana Catarina
Sousa

Lisbon-based tax litigator focused on transfer pricing disputes, Mutual Agreement Procedures, and withholding tax recovery across European and Latin American jurisdictions.

ACS
SENIOR ASSOCIATE · TAX DISPUTES
CONTACT
For matters routed to Ana Catarina, use the main contact form. Enquiries are routed by the relevant practice area.
LANGUAGES
Portuguese · English · Spanish
Ana Catarina handles international tax matters with focus on transfer pricing disputes, Mutual Agreement Procedures under double tax treaties, and withholding tax recovery claims. Her practice combines litigation before Portuguese tax authorities with cross-border negotiations involving foreign tax authorities.
Her combination of corporate tax controversy background and VLO's cross-border dispute focus allows her to act in complex matters where multiple tax authorities have competing claims on the same income stream.

Iberian legal education with international tax law specialisation.
BIOGRAPHY
PRACTICE AREAS
Ana Catarina advises on
TAX DISPUTES
Multi-jurisdictional litigation coordination.
Proceedings before Portuguese tax courts.
TAX LITIGATION
CROSS-BORDER
Coordination with foreign tax authorities.
TREATY ISSUES
Double tax treaty interpretation, residency disputes.
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REPRESENTATIVE WORK
Selected practice areas in action.
Examples illustrate the type of matter Ana Catarina handles. Specifics are withheld for confidentiality.
TAX
Transfer pricing
Acted for taxpayer in dispute over benchmarking methodology; favourable arbitration ruling.
TAX
MAP procedure
Coordinated bilateral filing; double taxation eliminated through agreed adjustment.
TAX
Withholding recovery
Treaty-based recovery of withholding tax denied at source on intercompany dividends.
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