You can consider below certification courses -

Accounting -

1. Certified Business Accounting
2. Certified Cost Accountant
3. Certified Merger and Acquisition Analyst
4. Certified GAAP Professional
5. Certified IFRS Professional

Banking -

1. Certified AML-KYC Compliance Officer
2. Certified Commercial Banker
3. Certified Wealth Manager

Finance -

1. Certified Corporate Finance Analyst
2. Certified Credit Risk Manager
3. Certified Financial Risk Management Professional
4. Certified Financial Valuation Analyst
5. Certified International Finance Analyst etc.

Hope this helps!!!