[5] His experience includes serving as the past Chair of the Canadian Bar Association National Immigration Law Section and an appointed member of the Federal Court Rules Committee.

Bellissimo, a legal expert on medical inadmissibility, spoke about the subject before the Canadian House of Commons Standing Committee on Citizenship and Immigration (CIMM) in 2017.

[23] In the same year, Bellissimo testified before the CIMM regarding his analysis of Bill S-8, which involves applying sanctions on foreign nationals.

[24][25] Bellissimo Law Group PC is involved in providing legal analysis and policy papers to the Canadian government.

[37][38] In August 2023, Bellissimo appeared in CBC Radio's The Current to analyze the topic and propose changes to the international student system.

[39] In addition, Bellissimo has taught immigration law courses and presented at nationwide legal seminars.

[40][41][42] Bellissimo Law Group PC has years of experience handling pro bono cases.

[44] In addition, the firm is one of the pro bono partners for Toronto's Hospital for Sick Children (HSC), providing counsel for numerous families.

[49][50] In 2019, Bellissimo authored Labour Market Impact Assessments, Compliance and Enforcement: A Practical Guide.