The Banque de Baecque Beau was a French bank that now is subsumed in HSBC France. In 1837, two traders, Camille Cailliez and Charles de Baecque established a partnership to engage in negotiating commissions on merchandise and in banking affairs. In 1846, the partners brought in Alexis Beau and began operating under the name Cailliez, de Baecque et Beau. The partnership narrowed its focus to banking activities, primarily discount transactions. Its name changed once again in the 19th century when it added a new partner, Maurice Lantin.

After World War II the bank adopted the name Banque de Baecque Beau (BBB).

In 1991, Banque Hervet acquired a 67% stake in Banque de Baecque Beau. Under the terms of the agreement, the Baecque and Beau families sold their combined 55% stake to Hervet, and L'Lione Finance saw its stake in the bank fall to 33% with the sale to Hervet of a 12% stake. In addition, Christian de Baeque agreed to remain president of the bank.

A few years later, BBB bought out a number of client portfolios, most notably those of Citibank

Citibank

Citibank, a major international bank, is the consumer banking arm of financial services giant Citigroup. Citibank was founded in 1812 as the City Bank of New York, later First National City Bank of New York...

 in 1996 and Banque Monod (originally Monod Française de Banque) in 1997, the later from Suez Lyonnaise des Eaux. In 1997 it also absorbed Société Parisienne de Banque.