Pinheiro Guimarães traces its origins to the association between two great jurists, José de Miranda Valverde and Plinio de Castro Pinheiro Guimarães. From the combination of doctrinal tradition and strategic business vision, a model of legal practice emerged that has endured across generations. For more than a century, the firm has stood at the center of the most significant moments in Brazil’s economic, institutional, and legal evolution, from the foundations of industrialization to the largest financial and corporate transactions in Latin America.

With more than a century of continuous practice and meaningful contribution to Brazil’s economic and institutional development, Pinheiro Guimarães has built its trajectory on a commitment to legal excellence. True to this principle, the firm remains forward-looking and will continue to invest steadily in developing its teams and deepening its knowledge, closely and proactively following legislative, regulatory, case-law, and technological developments in Brazil and abroad, so as to remain at the forefront of the transformations shaping the markets and strategic sectors of law and the economy.

Founders

José de Miranda Valverde.

Born in the city of Rio de Janeiro, then the Federal District, on August 18, 1875, he was one of the most respected figures in Rio de Janeiro’s legal scene in the first half of the 20th century. His reputation as a legal opinion writer and attorney earned him frequent consultations from major Brazilian and international companies, as well as from the government itself on matters of public, civil, and commercial law.

In addition to practicing law at his firm, he served as Attorney General of the then Federal District between 1932 and 1934, and as a Justice of the Superior Electoral Court (TSE), occupying one of the seats reserved for the Class of Jurists. He was also a member of the commission that drafted the new electoral law (Decree-Law No. 7,586/1945), known as the Agamenon Magalhães Law, which organized the first elections after the Estado Novo, ensuring the secrecy of the ballot.

Miranda Valverde also served as a member of the Council of the Brazilian Bar Association (OAB) and of the Institute of Brazilian Lawyers (IAB), and as editor of Revista do Direito, the oldest legal publication in the Federal District.

Miranda Valverde died on November 17, 1962, leaving a legacy of integrity in the legal profession, and is remembered by the OAB and the IAB as a professional who knew how to elevate the voice of the profession before the courts.

Plinio de Castro Pinheiro Guimarães.

Born in the city of Rio de Janeiro on January 2, 1906. He earned his law degree from the National Law School (now the Federal University of Rio de Janeiro) and, in 1922, joined the Miranda Valverde firm, which had already been in operation for several decades.

Throughout his professional career, he witnessed national and international events of great significance for the country and the world, such as the 1929 crisis, the World Wars, the political crises of the 1960s, and the country’s redemocratization, with his work in strategic sectors consolidating the firm as the legal arm of the pillars of the Brazilian economy in the 20th century.

In banking, he served as principal legal counsel to major local and international banks, structuring complex financial transactions and ensuring the legal security of these institutions. He was also the go-to name for the major insurers, helping to shape the corporate insurance market in Brazil.

In industry, he was a key advisor to steel companies, chemical industries, and engineering firms, at a time when Brazil was undergoing its great leap in industrialization and the building of national infrastructure.

In the energy sector, he represented the interests of oil companies in highly complex regulatory and contractual matters, pioneering this field of law in the country.

He also distinguished himself in litigation, particularly in matters of great importance before the Federal Supreme Court.

His career included service in the electoral judiciary, where he sat as a Justice of the Superior Electoral Court from 1952 to 1956, occupying one of the seats reserved for the Class of Jurists, and representing the legal profession before the state and federal councils of the Brazilian Bar Association (OAB) and the Institute of Brazilian Lawyers (IAB).

He had a reputation as a lawyer who deeply understood his clients’ businesses. He did not merely apply the law; he offered the strategic vision that enabled his clients’ businesses to grow. It was this shift, from an academic practice of law (embodied by his partner Miranda Valverde) to a business-focused practice, that created a business model which has endured for more than a century and made the name Pinheiro Guimarães an institution in Brazilian corporate law.

Succession

Francisco Pinheiro Guimarães Neto

In the late 1960s, leadership of Pinheiro Guimarães was assumed by Francisco Pinheiro Guimarães Neto, who remains active to this day. Widely respected as one of the country’s leading attorneys in Banking and Corporate Law, he played a decisive role in introducing and consolidating foreign banks and investors in Brazil, as well as a significant role in negotiations of major institutional impact, including the restructuring of Brazil’s sovereign debt during the 1980s and 1990s. His career and prominence have been repeatedly recognized by prestigious international legal publications such as Chambers and Latin Lawyer, and he was the subject of a special tribute by the latter, receiving the Lifetime Achievement Award in recognition of a career regarded as hors concours. Under his leadership, the firm expanded its practice areas and established itself as one of the most highly regarded law firms in Brazil.

For more than a century, Pinheiro Guimarães has stood at the center of some of the most significant moments in Brazil’s economic, institutional, and legal evolution — from the foundations of industrialization to the largest financial and corporate transactions in Latin America.