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Casa de Contratación

Although the Casa de Contratación was not located in a specific building, its documents can now be seen in the Archive of the Indies in Seville.

The Casa de Contratación (Spanish pronunciation: , "House of Trade") was a government agency of the Spanish Empire, existing from the 16th to the 18th centuries, which attempted to control all Spanish exploration and colonization. Its official name was La Casa y Audiencia de Indias; it was established in the port city of Seville, Castile (Corona de Castilla).


  • Introduction 1
  • Operation 2
  • Reductions 3
  • Mapmakers 4
  • Further reading 5
  • See also 6
  • External links 7


Unlike the later East India Companies, chartered companies established by the Dutch, English, and others, the Casa collected all colonial taxes and duties, approved all voyages of exploration and trade, maintained secret information on trade routes and new discoveries, licensed captains, and administered commercial law. In theory, no Spaniard could sail anywhere without the approval of the Casa. However, smuggling often took place in different parts of the vast Spanish Empire.

The Casa de Contratación was founded by Queen Casa da Índia, or House of Índia of Lisbon, established in 1434 and destroyed in 1755 by the Lisbon earthquake.


A 20% tax (the quinto) was levied by the Casa on all goods entering Spain. The other taxes could run as high as 40% to provide naval protection for the trading ships or as low as 10% during financial turmoil to encourage investment and economic growth in the colony. Each ship was required to employ a clerk to keep detailed logs of all goods carried and all transactions.

The Casa de Contratación produced and managed the Padrón Real, the official and secret Spanish map used as a template for the maps carried by every Spanish ship during the 16th century. It was constantly improved from its first version in 1508, and was the counterpart of the Portuguese map, the Padrão Real. The Casa also ran a navigation school; new pilots, or navigators, were trained for ocean voyages here.

Spain employed the then standard mercantilist model, governed (at least in theory) by the Casa in Seville. Trade with the overseas possessions was handled by a merchants' guild based in Seville, the Consulado de mercaderes, which worked in conjunction with the Casa de Contratación. Trade was physically controlled in well-regulated trade fleets, the famous Flota de Indias and the Manila galleons.


By the late 17th century, the Casa de Contratación had fallen into bureaucratic gridlock, and the empire as a whole was failing, due primarily to Spain's inability to finance both war on the Continent and a global empire. More often than not, the riches transported from Manila and Acapulco to Spain were officially signed over to Spain's creditors before the Manila galleon made port. In the 18th century, the new Bourbon kings reduced the power of Seville and the Casa de Contratacion. In 1717 they moved the Casa from Seville to Cádiz, diminishing Seville's importance in international trade. Charles III further limited the powers of the Casa and his son, Charles IV, abolished it altogether in 1790.


The mapmaking enterprise at the Casa de Contratación was a huge undertaking, and critical to the success of the voyages of discovery. Without good navigational aids, the ability of Spain to exploit and profit from its discoveries would have been limited. The Casa had a large number of cartographers and navigators (pilots), archivists, record keepers, administrators and others involved in producing and managing the Padrón Real.

The famous explorer Amerigo Vespucci, who made at least two voyages to the New World, was a pilot working at the Casa de Contratación until his death in 1512. A special position was created for Vespucci, the "pilot major" (chief of navigation) in 1508; he trained new pilots for ocean voyages. His nephew Juan Vespucci inherited his famous uncle's maps, charts, and nautical instruments, and was appointed to Amerigo's former position as official Spanish government pilot at Seville. In 1524, Juan Vespucci was appointed Examiner of Pilots, replacing Sebastian Cabot who was then leading an expedition in Brazil.

In the 1530s and 1540s, the principal mapmakers (known as "cosmographers") in the Casa de Contratación working on the Padrón Real included Alonso de Santa Cruz, Sebastian Cabot, and Pedro de Medina. The mapmaker Diego Gutiérrez was appointed as cosmographer in the Casa on October 22, 1554, after the death of his father Diego in January 1554; he also worked on the Padrón Real. In 1562 Gutierrez published the map entitled "Americae...Descriptio" in Antwerp. It was published in Antwerp instead of Spain because the Spanish engravers did not have the necessary skill to print such a complicated document. Other cosmographers included Alonso de Chaves, Francisco Falero, Jerónimo de Chaves, Sancho Gutiérrez (Diego's brother).

In the late 16th century, Juan Lopez de Velasco was cosmographer major in Seville. He produced a master map and twelve subsidiary maps portraying the worldwide Spanish empire in cartographic form. This feat surpassed anything done by the other European powers at that time; his work was the last in which Spain was supreme in mapmaking. The English, Dutch and French improved their mapmaking skills and became superior in organizing and presenting geographic information.

Further reading

  • McDougall, Walter (1993): Let the Sea Make a Noise: Four Hundred Years of Cataclysm, Conquest, War and Folly in the North Pacific. Avon Books, New York, USA.
  • Spain Maps Her "New World", David Buisseret, "Encounters", February 1992, No. 8, pp. 14–19.
  • Barrera Osorio, Antonio, Experiencing Nature: The Spanish American Empire and the Early Scientific Revolution (Austin: University of Texas Press, 2006).

See also

External links

  • The Consulados de Comercio and Defense of Maritime Commerce
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