Forvis Mazars in the UK Appoints Hermione Bonthuys as Accounting and Outsourcing Partner

Forvis Mazars, a leading global professional services network, has appointed Hermione Bonthuys as an Accounting and Outsourcing (AOS) Partner in its London office.

Hermione will focus on expanding accounting advisory services for mid-market firms, working closely with Forvis Mazars’ Accounting Advisory Services (AAS) team. She will lead complex accounting compliance assignments and play a key role in advising FRS 102 clients as they transition to the latest reporting standard.

Matt Stark, Head of Accounting and Outsourcing, Forvis Mazars in the UK, said: “I am delighted to welcome Hermione to the firm as a partner. Her expertise will strengthen our ability to deliver high-quality, technically complex work to both existing and new clients.”

Hermione qualified in Audit at a Big Four firm before establishing her own technical advisory and training practice, which she has grown significantly over the past 16 years. She has supported high-profile clients with IFRS and FRS 102 technical accounting and reporting, IFRS conversions, and implementations. A frequent speaker at industry events and seminars, Hermione has also delivered technical workshops and training throughout her career.

“I’m pleased to join the team at such a pivotal time of growth for Forvis Mazars,” said Hermione. “The firm’s commitment to technical excellence and client service is evident, and I look forward to contributing my expertise as we expand our advisory offering and support clients through complex accounting challenges.”