I think its all about the getting involved side! Events, forums, social networks, birth classes - anything you can go to in order to mingle with women who are potential clients. Directories are good too, but people getting to know who you are as a person works well than most things. I used to help out at Birth Choices and other birth education classes, at the end of it, they'd learnt about doulas and wanted to talk to some Or places like BB where women already know what they are