Osler, Hoskin & Harcourt LLP | 46,493 followers on LinkedIn. Leading Canadian business law firm committed to our clients’ success. | Osler is a leading business law firm uniquely positioned to advise Canadian, U.S. and international clients on an array of domestic and cross-border legal issues. We are recognized for providing business-critical advice and counsel in key industry sectors, and in transactions and litigation for some of the world’s largest enterprises. Our “one firm” approach is based on collaboration, and the team is dedicated to providing clients with innovative, solution-oriented advice in a practical and cost-effective manner.