BC Blake, Cassels & Graydon LLP More Blake, Cassels & Graydon LLP (Blakes) is one of Canada's top business law firms, serving a diverse national and international client base. Our integrated office network provides clients with access to the Firm's full spectrum of capabilities in virtually every area of business law. In today's dynamic commercial leasing market, ESG concerns, rising office vacancies, densification and high inflation are reshaping the industry. Canada Real Estate and Construction