Keep a bank account strictly business
Keeping things separate will help you maximize your tax deductions and your savings.
Button up your books
You likely have a method of tracking money in and out, but you should be consistently updating them so you can make decisions based on up-to-date financial data.
Hire a pro to help you
You have the basics down, but hiring a professional can help position you to upgrade your processes and enable you to focus more on other aspects of your business.