Department profile
White-Collar Crime & Government Investigations
Canada Guide 2026 : Nationwide - Canada
Rankings
Ranked Individuals
Ranked Individuals
About
Provided by Osler, Hoskin & Harcourt LLP
Osler’s White-Collar Defence Group has the insight and experience required to help clients navigate the evolving white-collar enforcement landscape, address investigations and allegations regarding wrongdoings, and mitigate associated risks that can have financial, operational and reputational impacts on your organization, its leaders and stakeholders.
The skilled team regularly advises and represents corporations, senior corporate executives, board members and public officials in a wide range of federal and provincial investigations and regulatory and criminal matters involving allegations of wrong-doing, including in respect of alleged capital markets abuses such as insider trading and market manipulation, anti-competitive conduct, tax evasion, foreign and domestic corruption, and environmental harm.
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Strengths
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Osler comfortably navigates complex matters.
White-Collar Crime & Government Investigations respondentCanadaThe team has deep subject matter expertise and provides business-minded, practical advice. Its lawyers invest time in understanding client needs and are solutions focused.
White-Collar Crime & Government Investigations respondentCanadaOsler, Hoskin & Harcourt's expertise in white-collar crime stands out.
White-Collar Crime & Government Investigations respondentCanada
Notable Practitioners
Provided by Chambers
Band 1 
Band 1 Stéphane Eljarrat
Former Crown prosecutor Stéphane Eljarrat is a recognised authority in white-collar investigations. Splitting his practice between Osler, Hoskin & Harcourt's Toronto and Montréal offices, he assists a variety of both corporate clients and private individuals with in-depth internal reviews, compliance matters and high-profile audits.
Stéphane has extensive experience in the area of white-collar crime. He provides sound legal advice.
White-Collar Crime & Government Investigations respondentCanada
Band 3 
Band 3 Lawrence Ritchie
Lawrence Ritchie is rated highly for his understanding of financial crime, particularly in matters involving securities and public companies. Clients benefit from his experience as former vice-chair of the Ontario Securities Commission. He chairs Osler’s cross-disciplinary Risk Management and Crisis Response national practice and is Toronto-based.
Lawrence Ritchie is an extremely experienced lawyer.
White-Collar Crime & Government Investigations respondentCanada
Band 4 
Band 4 Lauren Tomasich
Lauren Tomasich is based in Osler, Hoskin & Harcourt's Toronto office, where she has expertise in government enforcement and regulatory, as well as white-collar defence.
Lauren is a well-rounded lawyer, an excellent commercial litigator and has exceptional strength in litigation.
White-Collar Crime & Government Investigations respondentCanadaLauren delivers exceptional client service and is not only a technical expert, but also a trusted and valued advisor.
White-Collar Crime & Government Investigations respondentCanadaLauren Tomasich is well-connected and knows the industry context.
White-Collar Crime & Government Investigations respondentCanada
Ranked Individuals at Osler, Hoskin & Harcourt LLP (3)
Nationwide - Canada
Stéphane Eljarrat
White-Collar Crime & Government Investigations
View profile Lawrence Ritchie
White-Collar Crime & Government Investigations
View profile Lauren Tomasich
White-Collar Crime & Government Investigations
View profile
Members
Provided by Osler, Hoskin & Harcourt LLP
Lawrence Ritchie
View profile of Lawrence RitchieLauren Tomasich
View profile of Lauren TomasichStéphane Eljarrat
View profile of Stéphane Eljarrat
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