Sidley Austin LLP was known as Sidley Austin Brown & Wood LLP initially and is the 6th biggest law firm in the United States. It has nearly 1700 lawyers with generation of revenues of more than $1 billion per year and has offices in 18 cities throughout the world. It operates as a full-time law firm and is specialized in litigation and transaction matters. The original company was formed in 1866. It offers wide array of legal services to satisfy different requirements of customers. Their clients include from domestic and multinational corporations, financial institutions, funds and banks. As per 2011 report, it had been the 12th largest in the world and 3,440 employees according to 2012 December report.