The American Express Business Gold Card: The Optimized Spending Accelerator. Uniquely, this card earns bonus rewards on the two categories where your business spends the most each billing cycle (up to a limit). This allows businesses to maximize points based on their specific spending habits, potentially yielding substantial rewards on travel if it's a top category. Best For: Businesses with fluctuating spending patterns across various categories, looking to maximize rewards on their two highest expenses each month.