Stefan DeBellis

Managing Director
20+ years of experience in stamp duty in Australia
Expertise in value creation and risk management
Brisbane
@alvarezmarsal
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Stefan DeBellis is a Managing Director with Alvarez & Marsal Tax in Brisbane. He specializes in stamp duty and advises on the rules in each of the eight different Australian states and territories.

With more than 20 years of Australian stamp duties experience, Mr. DeBellis leads with practical advice, creating value and managing risks for clients and stakeholders.

Mr. DeBellis’ notable assignments include advising on the take private of Tilt Renewables; advising REITs on acquisitions of industrial and commercial real estate; advising managed funds on portfolio acquisitions in the healthcare and other services sectors; and advising project proponents on the establishment of new mines and infrastructure projects. 

Prior to joining A&M, Mr. DeBellis spent more than 20 years with PwC, where he was a Principal and then a Partner for over 10 years. 

Mr. DeBellis earned bachelor’s degrees in economics and law from Macquarie University in Sydney. He is a contributing member to the Tax Institute of Australia, and is a speaker at professional conferences and industry events.

Insights By This Professional

The respective treasurers of New South Wales, Queensland and The Australian Capital Territory delivered their budgets on 24 June 2025.
The Honourable Stephen Mullighan MP, Treasurer of South Australia, delivered the 2025-26 South Australian budget on 5 June 2025 (the Budget).
Victorian (VIC) Treasurer Jaclyn Symes has handed down her first Allan Labor Government Party Budget for VIC (the Budget).
The Victorian Commercial and Industrial Property Tax Reform Act (Act) has now passed through the Victorian Parliament following the initial announcement last year as part of the Victorian government’s 2023–24 Budget.
Latest insights The latest insights from Stefan DeBellis's team
Thought Leadership
En los últimos meses, el Servicio de Administración Tributaria (“SAT”) ha intensificado su enfoque de fiscalización mediante el uso de herramientas tecnológicas y cruces automatizados de información. En este contexto, el Certificado de Sello Digital (“CSD”) se ha consolidado como un instrumento clave de supervisión, en tanto constituye el medio indispensable para la emisión de CFDI y, por tanto, para la operación comercial de los contribuyentes, lo que ha llevado a que su restricción o cancelación sea utilizada como una medida efectiva para inducir el cumplimiento fiscal incluso de manera previa a la determinación formal de irregularidades. Asimismo, los desarrollos normativos y operativos recientes han reforzado esta tendencia, ampliando los supuestos de restricción y permitiendo bloqueos automatizados derivado de inconsistencias o riesgos fiscales detectados electrónicamente, incrementando de forma relevante el impacto operativo de estas medidas sobre las empresas.