Johanna Da Costa
Biography
Johanna Da Costa joined the Corporate Tax team at Baker McKenzie in Paris in 2014. She was appointed partner in July 2023 and she spent 6 months on secondment at the London office in 2024.
Prior to joining Baker McKenzie, Johanna trained in internationally renowned law firms and has done a one-year internship in the tax department of an aircraft landing gear manufacturer.
Practice Focus
Johanna advises leading international and French clients on domestic and international tax issues related to complex mergers and acquisitions, reorganizations and restructurings for multinational companies in various industries such as luxury goods, healthcare, media, digital content, and technology. She also assists clients with day-to-day technical corporate tax issues and tax audits.
She also focuses her practice on tax strategy and structuring, as well as tax M&A, including tax due diligence, negotiation of tax aspects of transaction documentation, and post-acquisition integration.
She is a member of the Institut des Avocats Conseils Fiscaux (IACF) and the International Bar Association (IBA).
Professional Honors
- Tier 1 Firm in France, Legal 500 EMEA, 2026
“Johanna Da Costa and (…) at Baker McKenzie stand out from other law firms we work with in France on tax matters: their keen understanding of tax issues in the technology sector, particularly those of listed multinationals.”
- Tax Law Firm of the Year, Chambers France, 2026
- Tier 2 Firm in General Corporate Tax, International Tax Review (ITR World Guide), 2026
- Notable Practitioner in General Corporate Tax, International Tax Review (ITR World Guide), 2026
- Band 2 Individual in Tax, Chambers France, 2025
- Leading Firm for International Groups Taxation, Décideurs Stratégies & Finance, 2025
- Excellent for Transactional Tax, Décideurs Stratégies & Finance, 2025
- Recognized in Tax, Best Lawyers, 2024
Admissions
- Paris~France (2014)
Education
- ESSEC Business School (Advanced Master in International Business Law & Management) (2013)
- Université Paris I Panthéon Sorbonne (Post-graduate degree in Corporate and Tax Law) (2012)
- Université Paris II Panthéon-Assas (Master of Business & Tax Law) (2011)
Languages
- English
- French