Grow Visa Business Rewards Credit Card — Grow Financial Federal Credit Union is a business credit card from Grow Financial Federal Credit Union. The annual fee is No annual fee. The ongoing APR is 13.99% to 17.99% standard APR, variable (Prime Rate) after a 1.99% to 8.99% for purchases and balance transfers introductory rate. Approval typically requires a credit score of The minimum credit score to open a Grow Visa Business Rewards Credit Card is 650. or higher. Rewards: Rewards points redeemable for gift cards, travel and more.