Advised organizations on cross-border employment compliance including international tax, social security, immigration regulations, and remote work frameworks across EMEA jurisdictions. Managed end-to-end international assignment processes: work permits, tax filings, cost projections, assignment agreements, relocation coordination, and repatriation support. Partnered with HR, Legal, Finance, and external EOR and immigration vendors to execute international hires and assignment moves in a compliant and timely manner. Maintained documentation and ensured adherence to labor law, visa regulations, data privacy requirements, and internal mobility policies across multiple jurisdictions. Educated internal stakeholders and employees on mobility policies, tax implications, and best practices for cross-border assignments. Supervised junior associates, establishing quality controls and delivery standards for a high-volume, compliance-critical caseload.

Supported cross-border employment compliance for internationally mobile employees including IRPF, IRNR, Modelo 720, and social security filings within statutory deadlines. Managed end-to-end enrollment for the Spanish Special Expat Tax Regime (Beckham Law), from eligibility assessment through timely filing. Audited mobility cases for compliance gaps and risk exposure, preparing formal appeals to the Spanish Tax Authority (AEAT) that achieved full penalty cancellation. Prepared assignment compliance deliverables including cost projections, pre-departure briefings, and regulatory documentation.

Managed tax compliance and financial reporting for multinational clients across Spanish regulatory frameworks. Prepared VAT, Withholding Tax, CIT filings, Intrastat and SII reporting, and statutory deliverables including Annual Accounts in Trade Register format.

Led a portfolio of 25 multinational client accounts serving 80 to 100 internationally mobile employees annually, managing the full assignment lifecycle from pre-departure through repatriation. Advised companies on cross-border employment tax, remote work compliance, and international assignment frameworks, partnering with HR, Legal, and Finance stakeholders. Coordinated with external immigration providers, relocation vendors, and tax advisors to ensure compliant and seamless international workforce mobility. Redesigned the operational model, reducing average processing time per assignee from 60 to under 10 minutes through process standardization and automation of recurring workflows. Led and developed a team of 6 to 8 professionals, maintaining audit-ready quality standards across all client deliverables.