Siouzanna Maignan

Founder & President


Founder and President of BtoBnice,

Siouzanna has around 20 years of professional experience in international business consulting.

Having acquired her academical knowledge in Taxation & Linguistics during her international studies at the prestigious Universities of St Petersburg & of Paris Dauphine, Siouzanna has built her professional carrier in France, starting from Consultant towards International Consulting Manager.

While working for the biggest Parisian advisory companies, Siouzanna was providing tax related services to international businesses of different sectors & size, including multinationals and CAC-40 index firms.

During her career, Siouzanna has developed strong skills in project management and business development, collaborating closely with HR, sales & marketing departments.  Her international experience & structured vision of the corporate organization guarantee the optimized offer of the business process outsourcing for medium-size and large companies.


BtoBnice has developed strategic partnership with international specialists in the below fields:

  • Real Estate
  • Communication & Marketing
  • Business Development
  • Taxation & Finance
  • Recruitment
  • Travel & entertainment industry

Expertise covers

VAT Recovery & Compliance

Foreign VAT recovery for international companies worldwide and optimisation of their local VAT deductions in France.

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Tax Representation

Fiscal support of non-EU companies having taxable operations in France and in other European countries.

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