The American Express Blue Business Cash card earns 2% cash back on the first $50,000 in purchases each year, and it doesn't charge an annual fee.

The Amex Blue Business Plus card is a great pick if you want to earn straightforward rewards with no annual fee, and it comes with solid perks for small-business owners.

The Blue Business Plus card comes with no annual fee and 0% intro APR on purchases for the first 12 months from the date of account opening (after, 17.49% - 27.49% variable; ...