Roy O’Connor LLP is widely considered one of Canada’s leading litigation boutiques offering sophisticated advocacy and counsel in the areas of complex corporate commercial litigation, class actions, securities litigation and general civil litigation. Our firm and lawyers are consistently recognized as outstanding lawyers who produce top results for our clients.

Roy O’Connor LLP acts as both plaintiff and defense counsel and acts for many leading public and private corporations, governmental bodies, non-governmental organizations and private individuals in matters that are often high profile and very confidential. Roy O’Connor LLP’s lawyers have succeeded in many nationally recognized, precedent-setting cases in the areas in which it practices.

By working along side and with our clients, our lawyers apply their creativity and experience to craft the right solution for each of our clients’ complex problems.

Benchmark Canada- the guide to Canada’s leading litigators- ranks the firm as one of the few recommended firms in Ontario and a firm that shifts “seamlessly between plaintiffs and defence work…” Our firm was further recognized with one of the prestigious Benchmark Firm of the Year awards in 2013, 2015, 2017 and 2023. The National Magazine, the official publication of the Canadian Bar Association, described our lawyers as among the best class action lawyers in the Country. Lexpert ranks the firm as a consistently recommended leading Toronto boutique in the field of class actions.