Susana Arroyo Sierra is a Partner at Amber Legal & Business Advisors SL, based in Barcelona, Spain, where she provides strategic tax advisory services to companies, founders, high net worth individuals, family businesses, and professionals. She has developed her career over more than ten years in leading professional firms such as KPMG, EY—where she contributed to the creation and development of the Tax Due Diligence department—and Bové Montero, where she served as Head of the German Desk for over a decade.

Susana specializes in national and international tax advisory for both companies and individuals, with a focus on tax due diligence in M&A transactions, business restructuring, and international tax planning. She has extensive experience managing tax audits, handling tax claims, and representing clients in proceedings before Economic-Administrative Courts and contentious administrative courts.

Her combination of technical expertise, transactional insight, and experience in cross-border matters enables Susana to deliver practical, compliant, and strategic tax solutions, helping clients optimize their financial structures and navigate complex regulatory environments.