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Bank of West Africa

A historic French colonial bank that evolved from the Banque du Sénégal into a major commercial and issuing institution in West and Central Africa before its liquidation in the early 1990s.

Last updated November 4, 2026

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Overview

The Banque de l'Afrique occidentale, commonly abbreviated as BAO and literally meaning Bank of Western Africa, was a historic banking institution headquartered in Dakar. It originated as the Banque du Sénégal, established by decree of Napoleon III on 21 December 1853 as a discount and credit bank. Operations began in 1855 in Saint-Louis, then the capital of French Senegal. The institution later became one of the central financial instruments of French colonial administration and commerce in West Africa. During its early decades, the bank combined commercial lending with the privilege of issuing bearer banknotes. Its initial geographical mandate was limited to French Senegal, but it gradually developed a wider regional role. Agencies opened in Gorée, Rufisque and other Senegalese trading centers, while the head office moved from Saint-Louis to Dakar in 1884 as Dakar became the colony's principal commercial and administrative hub. The bank's original ownership reflected the financial arrangements surrounding compensation after the abolition of slavery in the French colonies, and Bordeaux trading interests became particularly influential among its shareholders. In 1901, the institution was reorganized and renamed the Banque de l'Afrique occidentale. Its legal incorporation was transferred to Paris, while its monetary and banking mandate was expanded across French West Africa. For much of the period from 1901 to the First World War, it was the only bank operating across the French West African territories. It subsequently established or expanded branches in Conakry, Porto-Novo, Grand-Bassam, Bamako, Brazzaville, Cotonou, Libreville, Pointe-Noire, Lomé and other locations. Although a proposed extension into Madagascar led briefly to the name Banque de l'Afrique Occidentale et Orientale, the change was abandoned when that project did not proceed. The BAO was not simply a conventional retail bank. It had a quasi-public monetary role, including the authority to issue currency in several French African territories. Its activities supported colonial trade, taxation and export industries, particularly the groundnut economy in Senegal and neighboring territories. Historians have also associated the bank's role with the broader monetization and restructuring of colonial economies, in which financial institutions facilitated export production and the movement of resources toward France. The bank's capacity to generate productive investment remained limited relative to the scale of capital extraction from the colonies. The institution faced competition and financial pressure during the interwar period. New banks such as the Banque Française de l'Afrique and the Banque Commerciale Africaine challenged its position, while the economic downturn beginning in 1930 contributed to banking failures and forced the BAO to work more closely with colonial authorities. During the Second World War, political divisions between Vichy France and Free France disrupted its access to parts of its network and reduced its monetary privileges in French Equatorial Africa and Cameroon. After the war, large French banks including BNCI, Société Générale and Crédit Lyonnais built competing African branch networks. The end of colonial rule changed the bank's institutional position. In 1955, the French government ended the BAO's monetary role in French West Africa and Togo and transferred currency-issuing responsibilities to a new issuing institute. The government also sold its shares. The BAO continued as a commercial institution and remained important after the independence of most French African colonies in 1960, financing infrastructure and maintaining a substantial network across the region. In 1965, the African banking operations were reorganized through an agreement with First National City Bank of New York, later Citibank. The historic company retained certain property assets and became the Compagnie Financière France-Afrique, or Cofifa, while a new operating bank, the Banque internationale pour l'Afrique occidentale, was created. Cofifa initially held 51 percent and First National City Bank held 49 percent. The BIAO structure also included or held interests in related institutions such as BICA in Central Africa and minority positions in banks in Togo and Burkina Faso. Ownership and control changed repeatedly during the 1970s and 1980s. Banque Nationale de Paris gained effective control through its stake in Cofifa, while Citibank later exited and sold its interest to a group including UBS, Banco do Brasil and the Luxembourg-based Compagnie Inter-Africaine de Banque. Several governments intervened directly in national subsidiaries, including through nationalization or the creation of separately capitalized local banks. By the late 1980s, the wider BIAO network was present in 17 African countries but was exposed to political instability, weak economic conditions and the effects of the 1980s oil-market downturn. The bank entered severe financial distress at the end of the 1980s. The French government instructed BNP to lead a restructuring, but BNP subsequently decided to withdraw from most or all African operations. In June 1990, the Côte d'Ivoire and Senegal operations were transferred through rescue arrangements involving the Central Bank of West African States. The BIAO began an orderly liquidation on 14 June 1990, and its Cameroon operation was liquidated separately. In March 1991, the remaining African network was sold to Meridien International Bank Limited. The historic institution no longer had African operating assets, and the liquidation marked the end of the BAO/BIAO banking group as a unified enterprise. Some successor institutions survived under national ownership or new brands, including Banque Internationale du Burkina, later renamed UBA Burkina.

History

The bank's origins lay in the financial transformation of French Senegal during the nineteenth century. The Banque du Sénégal was created by an imperial decree dated 21 December 1853 and began operations in 1855 at Saint-Louis. It was designed to provide discounting and credit services and received authority to issue bearer notes. In practice, however, monetary exchange remained diverse, with gold, cowries, silver coins and commodities continuing to circulate alongside banknotes. A branch at Gorée opened in 1867, and the head office moved to Dakar in 1884. The bank later opened at Rufisque, completing a presence in Senegal's principal colonial trading centers. The institution's early capital structure was closely connected with the compensation arrangements adopted after the abolition of slavery. Trading houses acquired substantial shareholdings, with the Bordeaux firm Maurel becoming the dominant private shareholder. This background illustrates how colonial banking was embedded in commercial networks that also controlled trade, shipping and commodity exports. In 1901, the Banque du Sénégal was reorganized as the Banque de l'Afrique occidentale. Its incorporation moved to Paris, while its mandate expanded from Senegal to the wider French West African federation. The bank became the principal, and for a period effectively the only, regional banking institution in French West Africa. Branch expansion followed: Conakry in 1902, Porto-Novo in 1903, Grand-Bassam in 1906, Bamako in 1925, Brazzaville in 1926, and additional offices across the coastal and inland territories. A Monrovia branch was opened in 1904 but closed because it was not profitable. The bank also tested a wider Central and East African role, although the proposed Madagascar expansion was abandoned. The BAO's role extended beyond ordinary commercial banking. Its issuing privilege was repeatedly renewed and ultimately extended in 1929 for another twenty years. The bank issued currency and provided credit within a colonial economy organized around taxes, import and export duties, cash-crop production and European trading companies. It helped support the expansion of groundnut production and other export industries, but the scale of inward productive investment remained modest compared with the value extracted from the colonies. The institution's board overlapped with the leadership of major French commercial companies, reinforcing the close relationship between banking and colonial enterprise. The economic crisis of the early 1930s weakened the regional banking system. The Banque Française de l'Afrique failed, and the BAO faced pressure while also helping restructure the Banque Commerciale Africaine. As its dependence on public authorities increased, it took on functions resembling those of a central bank. By 1937, Georges Keller, a former civil servant, had become chairman, and the French government held a significant minority stake. The Second World War disrupted the bank's operations. Under Vichy control, the BAO lost access to territories in French Equatorial Africa and Cameroon. Currency-issuing responsibilities there were transferred through the Free French monetary authorities to the Caisse Centrale de la France Libre. After the war, competition intensified as BNCI, Société Générale and Crédit Lyonnais created their own networks in Dakar, Abidjan, Conakry, Bamako, Cotonou, Lomé and other cities. The bank's issuing privilege expired in 1949 and was renewed only through temporary extensions. In 1955, France removed the BAO's monetary authority in French West Africa and Togo and assigned it to a new issuing institute. The government also disposed of its shares. The BAO therefore continued as a private commercial bank rather than a hybrid commercial and monetary institution. It remained important during the transition to independence and had dozens of African offices in the early 1960s, contributing to infrastructure financing in countries including Senegal and Côte d'Ivoire. A major corporate reorganization took place in 1965. First National City Bank of New York agreed to provide capital for the African banking business, but did not want the historic company's property assets. Those assets remained with Cofifa, while the banking operations were placed in the newly established BIAO. Cofifa initially controlled 51 percent of BIAO and First National City Bank held 49 percent. Regional subsidiaries and minority investments extended the structure into Central Africa, Togo and Burkina Faso. Political intervention became common after independence. Governments nationalized some subsidiaries, required local capitalization or acquired minority stakes. Benin nationalized the local BIAO in 1975 and merged it with other commercial banks into a state institution. In Niger, BIAO remained the only private-sector financial institution by the mid-1970s and later created a separate local subsidiary. Côte d'Ivoire also acquired a substantial stake in its national BIAO operation. BNP became the effective controlling shareholder during the 1970s. Citibank exited in 1977, selling its shares to a consortium that included UBS and Banco do Brasil. By the late 1980s, the BIAO network reached 17 African countries, but it was weakened by economic shocks, political instability and the effects of the oil-market downturn. BNP increased its holding in Cofifa in 1989 and then announced a withdrawal from most or all BIAO operations. The group was dismantled in 1990 and 1991. Rescue transactions transferred the Senegal and Côte d'Ivoire operations to structures led by the Central Bank of West African States. BIAO entered orderly liquidation in June 1990, with Jacques Piot appointed administrator, while the Cameroon entity was liquidated separately. BNP sold the remaining African network to Meridien International Bank in March 1991. Meridien was later liquidated amid fraud allegations. The original BAO/BIAO group disappeared, although national successor banks continued in several markets. In Burkina Faso, the former BIAO became Banque Internationale du Burkina and was ultimately acquired by UBA in 2008, later adopting the UBA Burkina name.

  • 1991

    Remaining network sold

    [1]

    BNP sold the remaining African network to Meridien International Bank Limited.

  • 1990

    Orderly liquidation begins

    [1]

    BIAO initiated liquidation after BNP withdrew from most of its African activities.

  • 1965

    BIAO created

    [1]

    The African banking operations were moved into Banque internationale pour l'Afrique occidentale, backed by First National City Bank of New York.

  • 1955

    Monetary mandate removed

    [1]

    The French government transferred currency issuance in French West Africa and Togo to a new public issuing institution.

  • 1929

    Issuing privilege extended

    [1]

    A new agreement extended the bank's currency-issuing privilege for twenty years, effective 1 July 1929.

  • 1901

    Creation of the Banque de l'Afrique occidentale

    [1]

    The Banque du Sénégal was reorganized and given a wider West African issuing mandate.

  • 1884

    Head office moves to Dakar

    [1]

    The bank transferred its head office to Dakar as the city became the colony's leading commercial center.

  • 1855

    Operations begin in Saint-Louis

    [1]

    The new bank opened for business in Saint-Louis, the capital of French Senegal.

  • 1853

    Banque du Sénégal established

    [1]

    An imperial decree dated 21 December created the Banque du Sénégal as a discount and credit institution.

Products and positioning

Historically positioned as the principal French-backed banking institution serving colonial and later post-independence West and Central Africa. Its distinctive role combined commercial banking, regional branch expansion and, until the 1950s, delegated currency-issuing functions.

  • Banking services · 1855

    Commercial banking

    The bank provided deposit, credit, discounting and corporate banking services through branches across French West and Central Africa. After losing its monetary mandate in the 1950s, commercial banking became its principal institutional role.

  • Monetary services · 1855

    Currency issuance

    For much of its history, the institution held authority to issue bearer banknotes in French African territories. This function gave it a quasi-central-bank position, although the privilege was progressively limited and transferred to public issuing institutes by the 1950s.

  • Corporate finance

    Regional corporate and infrastructure finance

    The BAO and later BIAO financed trading companies, export agriculture and infrastructure projects in colonial and post-independence African economies. Its lending was closely connected to the commercial structure of the French African territories.

Controversies

  • 1995

    Meridien liquidation and fraud allegations

    The successor holding company that acquired the remaining BIAO African network was later liquidated in a context involving allegations of fraud. The available reference does not establish a finding of wrongdoing by the historic BAO itself.

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Brand decisions

  • 1988

    Restructure the distressed BIAO networkStrategy

    Background

    Economic shocks and political instability left BIAO in severe financial difficulty by the end of the 1980s.

    Action taken

    The French government instructed BNP to lead a restructuring, after which BNP increased its control and moved toward exiting the African network.

    Aftermath

    The restructuring culminated in the transfer of key operations, liquidation of BIAO and sale of the remaining network.

  • 1965

    Create BIAO with First National City BankM&A

    Background

    The historic BAO needed fresh capital for its African operations, while First National City Bank of New York was interested in banking operations rather than inherited property assets.

    Action taken

    The property-holding company became Cofifa and the African banking operations were transferred to a newly created BIAO, initially owned 51 percent by Cofifa and 49 percent by First National City Bank.

    Aftermath

    BIAO became the principal successor operating brand and expanded through national subsidiaries and minority investments.

  • 1955

    Separate commercial banking from currency issuanceStrategy

    Background

    French monetary policy increasingly favored public issuing institutions rather than a private commercial bank holding regional currency privileges.

    Action taken

    France transferred the BAO's issuing role in French West Africa and Togo to a new issuing institute and sold its BAO shares.

    Aftermath

    The BAO continued as a commercial bank during and after African decolonization.

  • 1901

    Expand from Senegal to French West AfricaStrategy

    Background

    The original Banque du Sénégal had a limited Senegalese mandate, while the French government wanted a broader regional institution capable of issuing money across its West African colonies.

    Action taken

    The bank was reorganized as the Banque de l'Afrique occidentale, with its legal incorporation in Paris and a wider geographical role.

    Aftermath

    The institution became the dominant banking network in French West Africa for much of the early twentieth century.

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