With Spark Business Basic Checking, you get unlimited transactions each month, plus online and mobile banking. With Spark Business Unlimited Checking you get 5 free domestic wire transfers per month and have access to 2 Basic Checking accounts at no additional cost. And of course, you can make as many transactions as you want with no unexpected fees. Current Customer. Existing Spark Business Savings and Spark Business Checking accounts will not be impacted while we make improvements. If you have any questions, check the FAQs or please give us a call at 1-844-887-7275, 9am–8pm ET, Monday–Friday. Set your business up for success. Each month you’ll get unlimited transactions included, along with free Overdraft Protection with a linked Capital One small business deposit account. Also, you’ll get a business debit card, online bill pay and online and mobile checking at no additional cost. It’s the checking account your business can count on for its cash flow management needs.