[header] How to open a mortgage company [title] Learn about the mortgage industry. [step] If you are not already in the industry, then you will need to understand it more fully before going into business. Take time to read about how mortgages are structured, including things like escrow, interest calculations, and various penalties and fees. 
Then, look at the players in the industry, from large banks to private mortgage brokers. After that, take a look at the overall state of the industry.