First Financial Online Banking
Enroll in First Financial Bank Online Banking
Manage your money from anywhere in the world at anytime, day or night.
Our online banking system provides 24-hour access to most of your accounts.
View real-time balances and activity, transfer funds, and access account history.
MainSource first-time users, click here to create your Personal Online Banking Enrollment.
New First Financial Bank clients, click here to create your Personal Online Banking Enrollment.
“The focus on getting to know me and building a relationship has made working with First Financial a great experience. ”
All loans subject to credit approval
Let First Financial help you on the path to success, from opening an account, buying a home or planning for the future. We are committed to one thing: building client success.go to personal banking
At First Financial Bank, we don’t just want to earn your business; we want to know your business. That’s why we work so hard to understand your industry, your needs and your opportunities.go to business banking
Get To Know Us
For more than 150 years, one thing has remained the same - our continued commitment to helping individuals and businesses on their path to success. Find out more about our team.learn more about us
All loans are subject to credit approval