Our branches will close on Christmas Eve at noon (Tuesday, December 24) and will be closed on Christmas Day (Wednesday, December 25).

Banks in Illinois

FNBO is the great big small bank with branch locations serving the Yorkville, Sandwich, Oswego, Sugar Grove, Dekalb, Sycamore, Huntley, Lake of the Hills, Marengo, Belvidere and Harvard communities in Illinois. Whether you’re looking to open a checking account, buying a home or financing your business we’re here to help. We want to show you why we're considered one of the best bank in Illinois. Visit an Illinois bank branch today.

Personal Banking Services in Illinois

Checking Accounts in Illinois

Open a free checking account or earn interest with our high interest checking account. Visit a branch or apply online today.

Savings Accounts in Illinois

Whether you're looking to open a Savings Account, Money Market, HSA or even a Kids Savings Account we offer competitive interest rates that will help you reach your savings goals

Mortgages in Illinois

We offer a number of mortgage options to meet your home buying needs including FHA, VA Loans and Conventional Mortgages. Apply online today to lock in your rate or meet with a mortgage loan officer to discuss your borrowing options.

Illinois Mortgage Calculator

Before you begin to shop, get a solid idea about monthly payments and how much you can afford. Once you know your spending limits, your home search will have the focus it needs to succeed.

Commercial Bank Services in Illinois

Business Checking Accounts in Illinois

Open a Free Business Checking account or enjoy the added benefits of our Analyzed Checking account. Our Commercial Banking Team is here to help you find the business banking services you need to manage your business finances.

Business Credit Cards in Illinois

Whether your goal is to earn cashback on your business purchases or you're looking for a card with competitive interest rates our business credit card options can help you take care of business expenses while giving you peace of mind.

Business Loans in Illinois

Let us help you take your business to the next level with a small business loan, line of credit or an SBA loan. As an SBA Preferred Lender we can help businesses who are just starting out as well as companies that are rapidly growing. Meet with one of our Commerical Lenders to discuss your options.