Sign up for the Chase Ink Cash Business Card and get a $300 cash bonus when you spend $3,000 in 3 months. You also get 5% cash back on your first $25,000 in business purchases (like office supplies, wireless, phone, etc) each account anniversary year, 2% back on your first $25,000 spent on gas stations and restaurants each anniversary year, and 1% on everything else. Even better, there's a 0% intro APR for 12 months on purchases and balance transfers (variable 13.74% – 19.74% after that), free cards for employees, and no annual fee.