Is it legal for bank security recruitment agencies to collect money?

This is legal. Intermediary companies charge two-way fees, employers have to pay a certain fee, and intermediary companies will also charge a certain fee to job seekers. Legal basis: Article 961 of the Civil Law of People's Republic of China (PRC), an intermediary contract is a contract in which the intermediary reports the opportunity of concluding a contract to the client or provides media services for concluding a contract, and the client pays remuneration.