Skip to content

Sophie Balliet



Balliet Sophie
Sophie Balliet



Sophie advises on transfer pricing and international tax law. She has significant experience in documenting intra-group financing activities, preparing and negotiating several Advance Pricing Agreements (APAs) in compliance with the Luxembourg domestic regulations and OECD Transfer Pricing Guidelines, as well as structuring and designing transfer pricing policies for various actors in the Luxembourg financial sector. She also has substantial experience in transfer pricing aspects involving multinational groups across various sectors. Prior to joining A&O, Sophie gained five years of experience working with a ‘Big Four’ firm in auditing and consulting globally. in the area of transfer pricing in France and Luxembourg. Sophie is member of the International Fiscal Association (IFA). She has written several articles on transfer pricing in Luxembourg.

Related articles

View of sky and high rise buildings from the ground

Publications: 10 November 2022

No illegal State aid had been granted by Luxembourg to Fiat according to the Court of Justice of the European Union

On 8 November 2022, in the case Luxembourg and Fiat Chrysler Finance Europe v Commission, the Court of Justice of the European Union (the Court) annulled the judgment of the General Court as well as…

Read more

Publications: 18 July 2022

Great Fund Insights: The new Luxembourg/United Kingdom tax treaty has finally been signed!

Read more

Publications: 11 July 2022

The new Luxembourg/United-Kingdom tax treaty has been signed

Read more

Publications: 19 April 2022

Luxembourg Part II UCIs, SIFs and RAIFs to report information to the Luxembourg direct tax administration by 31 May 2022

Read more





Private Equity

Real Estate



5 Avenue John F. Kennedy, L-1855 

View office →



Admitted to the Luxembourg bar under her professional home title, 2015
Admitted as avocat, France, 2014
Certificat de formation complémentaire des candidats experts-comptables, Université du Luxembourg, 2013


Master 2, Droit des Affaires et Fiscalité et Juridique Internationale, Université Paris I - La Sorbonne, 2008

Diploma, Hautes Études Commerciales (HEC), Paris, 2008