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Guillaume HainqueGH

Guillaume Hainque

Management and Project Management

€1,200/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Guillaume

Experienced executive with nearly 15 years of experience in the financial industry and consulting, the majority of which was in bank protection and compliance with regulatory requirements, tax risk management, and reporting. Accustomed to interacting with executive functions (e.g., board, compliance, finance or tax directors) and control functions (LoD2 and 3). Strong expertise in management and complex project management.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km)

Experience

  • EY Société d'Avocats
    Director - International Tax and Transaction Services
    CONSULTING AND AUDITS
    January 2026 - July 2026 (6 months)
    Puteaux, France
    - Supervision of tax function transformation projects within the financial sector: regulatory transformation, strengthening risk control framework, operational model performance, tax responsibility and reputation
    - Business development and team management participation
    Taxation Transformation Organization Consulting Business Development Team Management
  • Société Générale
    Head of Cross-Functional Tax Projects and Regulations
    BANKING AND INSURANCE
    January 2023 - December 2025 (2 years and 11 months)
    Puteaux, France
    - Regulatory Compliance:
    • Supervision of a department of 6 people responsible for projects and expertise in client tax regulations (CRS, FATCA, QI) and for own account (electronic invoicing, CbCR, tax havens, DAC 6, etc.).
    • Sponsor of the implementation project for the OECD Pillar 2 reform (presentation to the board of directors, project and governance structuring, tax team management).
    • Representation with professional associations (e.g., FBF, AFEP).
    - Subsidiary Supervision:
    • Supervision of the 300 most significant entities (tax amounts, risks, tax audits, litigation, documentation and reporting obligations, etc.)
    • Sponsor of the project to replace the Group's tax tool
    - Oversight of Establishments and Operations:
    • Management of business expansion in countries with tax reputation risk, periodic review, and definition of risk reduction action plans.
    Taxation Internal Control Team Management Project Management Banking and Insurance
  • Société Générale
    Head of Corporate CbCR and CRD IV Reporting
    BANKING AND INSURANCE
    January 2018 - December 2022 (4 years and 11 months)
    Puteaux, France
    • Regulatory Reporting: Supervision of the production of CbCR and CRD IV reports for all Group entities.
    • Data and Risk Analysis: Review of financial data and key ratios for over 1200 subsidiaries in 80 countries.
    • International Coordination: Providing expertise and interface with subsidiaries concerned by local obligations in over 50 countries.
    • Non-financial Reporting: Responses to non-financial surveys on tax strategy. Annual publication of the SG Group's public tax transparency report.
    Regulatory Reporting CSR Reporting CbCR Financial Analysis Banking and Insurance

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Education

  • Master in Management
    ESCP Business School
    2011
    Master en Management - Spécialité ingénierie juridique et financière

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