SCAM ALERT - AACU will NEVER contact you and ask you for your account number, card number, online banking ID, password, PIN, verification code, or SSN, and we will NEVER send you a link by text or email asking you for your account number, password, secure access code, or PIN. DO NOT share any personal or financial information during an unexpected call. If a call feels suspicious, hang up and call us at 800.223.1983. Your security is our top priority.
Big or small, no matter the size of your business, we'll help you build reserves to keep your business growing and thriving.
Available for business registered with the Colorado Secretary of State and conducting business in Colorado.
Let's work together to make your business grow!

Earn a higher rate, while enjoying the flexibility to make deposits and withdrawals at any time.


Available for business registered with the Colorado Secretary of State and conducting business in Colorado.
Let's work together to make your business grow!
| Balance | Dividend Rate | APY* | Alert Me |
|---|---|---|---|
| $0.00-$49,999.99 | 0.499% | 0.50% | Receive a notification when this rate changes |
| $50,000.00-$99,999.99 | 0.648% | 0.65% | Receive a notification when this rate changes |
| $100,000.00-$249,999.99 | 0.995% | 1.00% | Receive a notification when this rate changes |
| $250,000.00-$499,999.99 | 1.687% | 1.70% | Receive a notification when this rate changes |
| $500,000.00 or greater | 1.982% | 2.00% | Receive a notification when this rate changes |
Quick and easy access to your money is essential to running your business, explore your next checking account.
Whether you need new equipment, an upgraded office or expanding your operations - we are here for you!
Easy and secure business services such as payroll, merchant processing, and ACH origination.
Find an AACU branch or ATM, or locate thousands of surcharge-free ATMs or shared branch locations in the U.S. and Canada.
*APY=Annual Percentage Yield. APY accurate as of the last dividend declaration date. Rates subject to change. Fees may reduce earnings. Restrictions and requirements apply.