Mustapha Abdellati

After completing his accountancy degree at VU University Amsterdam, Mustapha joined EY in 2002. With years of experience as an external auditor for various clients in different sectors, Mustapha has focused on leading the Financial Accounting Advisory Services (FAAS) group since 2024. Mustapha is known for his expert advice to clients on a wide range of financial accounting issues, including transaction accounting, audit readiness, IPO preparation, post-merger integration, sustainability and ESG reporting. His mission is to support CFOs in their strategic role, with a particular focus on complex financial transactions and IFRS issues, especially within the energy sector and the world of renewable energy.

As lead partner for Financial Accounting Advisory Services, Mustapha ensures that his clients can count on the expertise and qualifications of his team of highly enthusiastic and committed professionals. He is driven to guide clients through their financial challenges by taking a structured, multidisciplinary approach, sharing best practices, and utilising innovative services and professional networks. All this is done in close collaboration with the broader EY teams, resulting in an integrated and end-to-end service offering.

Outside of his professional role, Mustapha believes it is important to contribute to social issues such as education, culture, diversity and talent development.

How Mustapha is shaping the future with confidence

I strongly believe in the power of personal interaction; visiting an organisation, feeling the culture and the dynamics on site. It's not about my role; it's about working together to achieve something great, while always keeping the human side in mind. It's not about limiting each other and pigeonholing people, but rather about strengthening each other's expertise and building trust. For me, collaboration is central to everything we do."