Sonia Bouaffassa

Partner Tax
Kirkland & Ellis LLP

Overview

Sonia is an excellent lawyer who is always responsive and very competent.” - Chambers France, 2025

Sonia Bouaffassa is a tax partner in the Paris office of Kirkland & Ellis LLP. Sonia focuses on French and international tax planning and structuring in the context of cross-border private equity, M&A and restructuring transactions. Sonia also has experience in the tax aspects of corporate reorganisations and debt finance.

Sonia is praised extensively by clients in Chambers France (2025), with one interviewee describing her as “a great professional, who is reliable, able to think outside the box and apply proactive reasoning.” She is recognised by ITR World Tax (2024) as “Highly Regarded” and The Legal 500 EMEA (2023) as a “recommended lawyer”, with clients describing her as “efficient” and “creative”, with an ability to “innovate and resolve difficulties while maintaining a concern for sustainable and reliable tax structures.”

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Credentials

Admissions & Qualifications

  • Avocat à la Cour (France)

Languages

  • English
  • French

Education

  • University of Nancy IIMaster II, Business Law & Taxation2005