Gaëlle Piriou Senior Manager

Professional Profile

Gaëlle Piriou is a Partner at Forvis Mazars France, specializing in audit and advisory services.

She joined the firm in 2004 following advanced studies in corporate finance and accounting, and began her career in audit assignments supporting companies and non-profit organizations within the Breton economic ecosystem. She is a qualified Chartered Accountant (Expert-Comptable) and a Statutory Auditor (Commissaire aux Comptes).

Career Path & Expertise

Over the course of her career, Gaëlle has played a key role in the development of the firm’s audit and advisory activities in Western France, based in the Rennes office.

She now primarily supports mid-sized companies (ETIs) and international groups, particularly in the following sectors:

• Industrial sectors
• Business and professional services

Her expertise spans statutory audit, financial reporting, and advisory services, with a strong focus on supporting organizations in complex and evolving environments.

Regional Leadership & Client Focus

Gaëlle contributes actively to the growth of Forvis Mazars in the Grand Ouest region, helping strengthen its presence and service offering.

She is known for her ability to support clients in both local and international contexts, combining technical rigor, sector knowledge, and long-term client relationships.

About Forvis Mazars

The groups Mazars and Forvis officially merged on 1 June 2024, forming Forvis Mazars, a leading international audit, tax, and advisory organization.