Dan Thomas

Dan Thomas is a litigator with many years of experience in complex trial advocacy and strategy. He maintains a practice in corporate, commercial, securities, and public law litigation, alongside a focus on white collar defence and investigations. Dan is recognised by The Best Lawyers in Canada™ in Corporate and Commercial Litigation, and is ranked by Benchmark Litigation Canada as a "Litigation Star".

In 2024 - alongside leading public law, regulatory, international lawyer Leila Ghahhary - he co-founded Ghahhary Thomas LLP.

Ghahhary Thomas LLP offers excellence in courtroom advocacy and dynamic litigation strategy across public and administrative law cases; regulatory investigations; corporate and commercial litigation; and international law matters. With four decades of combined experience spanning Canada and the UK, Ghahhary Thomas LLP brings a unique blend of the best of traditional legal practice with innovative cross-border and industry perspectives to deliver results for clients.

Before commencing his practice in Canada, Dan practised as a Barrister in England & Wales for 12 years, following which he was invited to join the litigation group of McCarthy Tétrault LLP in Toronto and was subsequently admitted to the partnership at Canada’s leading securities litigation boutique.

Dan has acted in litigation matters on behalf of some of Canada’s major corporations and financial institutions. Dan uses his strategic and advocacy skills in navigating sensitive litigation and investigations for organizations, corporations, and private individuals dealing with business disruption, governmental and regulatory intervention, and reputational risk. In addition, Dan acts as a trusted advisor in matters involving complex and cross-border investigations, anti-corruption, anti-money laundering, and white-collar defence, enforcement and compliance.

During his time at the UK Bar, Dan was repeatedly recommended by Chambers & Partners and Legal 500 as a top tier trial barrister. Dan represented clients before all levels of court and various administrative and disciplinary tribunals. In recognition of his skills and experience, Dan was appointed to the selective Attorney General’s Panels of Counsel in civil and regulatory law. As part of his work for the Attorney General, Dan acted for government departments and agencies in sensitive, high-profile matters. Dan also appeared as counsel in numerous complex white collar and regulatory jury trials. Dan’s experience in white collar investigations was reflected by his appointment to the UK Serious Fraud Office Panel of Counsel.