Picazo Buyco Tan Fider and Santos was established on 1 September 1987. Despite having only sixteen lawyers at its inception, the Firm promptly established itself as the leading firm in specialized areas in the field of corporate law. By the time the Firm marked its first decade in 1997, the size of the Firm had doubled. Presently, its legal staff consists of sixty lawyers, making it the fifth largest law firm in the Philippines. All of its lawyers are graduates of the leading law schools in the Philippines.