Harry Dimoulis is a commercial disputes partner recognized for his leading work on complex, cross-border litigation and collective actions. He is frequently instructed on high-value claims, including competition class actions, securities and investor disputes, and has acted before the High Court, Court of Appeal, and Competition Appeal Tribunal, as well as in regulatory investigations in England & Wales and Hong Kong SAR.

His experience includes advising on contractual, financial and investment-related disputes, along with claims brought under the UK’s collective redress regimes, including competition collective actions, securities and bondholder claims and mass torts. Harry also regularly leads sensitive investigations for financial institutions, particularly internal reviews concerning senior executive conduct and governance.

Known for shaping strategy in large-scale matters involving intricate factual, regulatory and economic issues, Harry routinely steers disputes spanning multiple jurisdictions, expert disciplines and regulators. Having spent a substantial period practising in Hong Kong, Harry has deep regional experience and maintains a strong interest in Asia-related disputes.