Pierrick Gallois Associé France

Pierrick Gallois

Professional Background

Pierrick Gallois holds a degree from ICS Bégué and is a qualified Certified Public Accountant (Expert-Comptable).

He began his career at PwC in Paris, where he spent 15 years, before founding his own firm, W&Associés, in 2012.

He later joined Implid as a Partner in charge of Accounting Services, further strengthening his leadership experience in advisory and accounting.

With more than 25 years of experience, Pierrick joined Forvis Mazars as a Partner in France to support the development of the AOS (Accounting & Outsourcing Services) practice.

Career & Experience

Pierrick advises clients across all sectors, supporting them on a broad range of topics, including:

  • Accounting and financial management
  • Tax advisory
  • Organizational structuring and optimization
  • Business support and operational performance

At Forvis Mazars, he plays a key role in expanding the Accounting & Outsourcing Services offering, addressing the growing needs of companies for externalized financial functions.

Areas of Expertise

  • Accounting and outsourcing services (AOS)
  • Financial and tax advisory
  • Organizational structuring
  • SME and mid-market support
  • Business performance and operational support

Professional Approach

Pierrick is recognized for:

  • Strong entrepreneurial background (founder of his own firm)
  • Extensive experience across accounting, tax, and advisory
  • Ability to support companies at all stages of development
  • Leadership in structuring and scaling accounting services

Pierrick Gallois combines entrepreneurial experience with deep accounting and advisory expertise, supporting the growth of Accounting & Outsourcing Services within Forvis Mazars.

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