The letters of guarantee and patronage (which can also be used to attest financial capacity) are often requested by customers for the most varied needs. For example, to guarantee the increase in the share capital, to guarantee the sums of investment to be borne by the debtors in the event of the provision of public financing, or to guarantee payments and payment commitments, to certify a financial availability to public and private entities , to keep the registration to Albi, etc …. This financial instrument has a particular weight and financial reliability being bound to the HSBC bonds (first bank in the world by capitalization)”