Use the Business tab to manage income and expenses for your business. You can create customer estimates, invoices, and statements; track accounts receivable; enter customer payments; and track accounts payable. If you've more than one business, Quicken can track the income and expenses for each.
Important: To get the most out of the Business tab, you need to add your business to Quicken.
Get started with the Business tab:
Use the Profit/Loss page to gauge profitability
...
Use the Cash Flow page to track spending
The Cash Flow page helps you track and manage short-term income and spending for your business. By providing a quick overview of the business spending accounts where you manage your regular deposits and expenses, Quicken can help you determine if you have enough money to cover your expenses.
...