First Interstate Bank is offering a $400 business checking bonus for new business customers who open an eligible business checking account and meet a simple deposit requirement.
The offer is only available locally. If you’re looking for offers available nationwide, check out our top picks here—including huge offers from Chase, CIT Bank and Axos Bank that you won’t want to miss!
Bonus Details
Bonus Amount: $400
Offer Period: May 4, 2026 through June 30, 2026
Availability: Colorado and Idaho branch locations
Promo Code: 26GROW400
How to Earn the $400 Bonus
To qualify for the $400 business checking bonus:
- Open a new eligible First Interstate Bank business checking account at a participating branch using promo code 26GROW400.
- Fund the account with at least the required opening deposit.
- Within 30 days of account opening, deposit at least $2,500 in new money.
- Maintain a balance of at least $2,500 for 60 consecutive days, beginning on the 31st day after account opening.
- Keep the account open and in good standing until the bonus is credited.
If all requirements are met, First Interstate Bank will deposit the $400 bonus within 45 days after the qualification period ends.
TRENDING DEAL:
Eligible Accounts
The following business checking accounts qualify for the promotion:
- Classic Business Checking
- Enhanced Business Checking
- Analyzed Business Checking
A minimum opening deposit of $100 is required.
Eligibility Requirements
To be eligible for the offer, your business:
- Cannot currently have a First Interstate Bank business checking, savings, or CD account.
- Cannot have had a business checking, savings, or CD account with the bank within the previous 90 days.
- Cannot have received a First Interstate business checking or savings account bonus within the past 12 months.
Important Terms
- “New money” must be funds not currently held at First Interstate Bank.
- Transfers from existing First Interstate accounts or loans do not qualify.
- Deposits made through person-to-person payment services such as Zelle do not qualify toward the funding requirement.
- Any balance drop below $2,500 during the 60-day qualification period may result in disqualification from the bonus.
- The bonus may be reported to the IRS on Form 1099-INT, 1099-MISC, or Form 1042-S, as applicable.
Additional Business Banking Perks
Businesses that open a qualifying checking account and a FirstRewards® World Elite Mastercard® for Small Business within 30 days of each other may also earn up to 7,500 bonus rewards points (approximately $75 value).
The business credit card offers:
- No annual fee
- 1.5 rewards points per $1 spent on qualifying purchases
- Credit limits up to $50,000
- Competitive variable APR
Bottom Line
The First Interstate Bank $400 Business Checking Bonus is a relatively easy business bank bonus for companies located in Colorado or Idaho. The requirements are straightforward: deposit $2,500 in new funds and maintain that balance for 60 days. With no transaction requirements or direct deposit requirements, this promotion may be worth considering for businesses looking for a new banking relationship and a quick $400 bonus.
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