Earning unlimited 2% cash back could mean thousands of dollars each year going back into your business with the Capital One® Spark® Cash for Business card. Plus, a one-time $500 cash bonus once you spend $4,500 on purchases within 3 months of approval. Use Spark Cash across all your business spend, with no categories to limit your purchasing. There's a $0 intro annual fee for the first year; $59 after that. Rewards don't expire, and you can redeem your cash back for any amount, anytime. Get employee cards at no additional cost, and earn rewards from their business spend. Cash advance APR is 23.24% (variable).