Receive a sign up bonus of 50,000 miles on the United MileagePlus Explorer Business Card when you make $2,000 in purchases within three months. Also get 10K bonus miles when you spend 25K in a year. If you have a business, and especially if you’re looking for United miles, this is a pretty good deal. It does come around often though.

• Annual fee of $95 (waived the first year)
• Earns at the following rates:
  • 2x miles on restaurants, gas stations, and office supply stores & tickets purchased from United
  • 1x mile on all other purchases
• Free first checked bag
• Priority boarding
• 2 United Club passes per year