Denis Usher Head of Global SEC services

Denis is the head of global SEC services. He also heads Mazars' American Desk for Asia Pacific, specialising in providing audits of US companies and their subsidiaries in Asia.
Denis has over 26 years of combined experience in audit and assurance services in the US, France, and Singapore. His primary areas of sector focus are industry and services, ranging from luxury goods to manufacturing and distribution.
Denis has significant experience in both US GAAP/GAAS and PCAOB audits. Besides being a member of the American Institute of Certified Public Accountants (AICPA), he is also a Chartered Accountant of Singapore (CA) and a Fellow of CPA Australia.
Having lived internationally for more than 14 years, Denis strongly believes in the diversity of cultures, business environments, and experiences the world has to offer.
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- Covid-19 makes us question the societal and sustainable role of business
- Striking the Balance: Mazars publishes its 2018-2019 Annual Report
- Mazars For Good
- Thought Leadership - Ideas and Advice for leaders
- Our commitment to reducing plastic waste
- Mazars is one of Singapore’s Best Companies to Work for 2018
- Mazars is awarded as one of HR Asia’s Best Companies to Work for in Singapore 2017
- Denis Usher Talks about His Views on Asia’s Globalisation on South China Morning Post
- Mazars’ Managing Partner to speak at the SMEICC 2017
- Mazars sponsors the FCCS ICT Awards 2017
- ISCA Appointments of our Mazars Partners
- Mazars Partners with Project Inspire, Assists in the Due Diligence of Social Enterprises Empowering Women in AMEA
- AB Magazine interviews Denis Usher and Pascal Jauffret
- Mazars Merges with Kwee & Co. Holding Pte. Ltd., Welcomes New Director of Tax
- Mazars participates in the Asia Forum organised by the Chamber of Commerce and Industry of Nord-Pas-de-Calais region
- Mazars Partners appointed as Senior Quality Assurance (QA) Advisors of ICPAS
- Mazars is granted Recognised Knowledge Partner status with CPA Australia
- All Singapore Companies to have Internal Auditors