The CBA is the sole supervisory authority in Aruba with respect to the financial sector. The CBA's supervision aims primarily at maintaining the soundness and integrity of the financial system, thereby safeguarding the interests of depositors, policyholders and other creditors of the financial institutions. In this respect, the CBA is responsible for the regulation and supervision of:

• credit institutions
• insurance companies
• company pension funds
• money transfer companies
• trust service providers.

Furthermore, the CBA supervises those sectors that are subject to anti-money laundering and countering financing of terrorism (AML/CFT) requirements. In addition to credit institutions, life insurance companies, money transfer companies and trust service providers, those are:

• non-regulated financial service providers (including insurance brokers, investment brokers, factoring and leasing companies)
• designated non-financial service providers service providers (including lawyers, civil notaries, tax advisors, accountants, jewelers, high value dealers, casinos)

The CBA keeps public registers of the entities under its supervision.