Here are a few of the ways in which I've found direct clients:
ProZ.com head of training Paul Urwin has created a series of episodes to discuss topics for translators and interpreters. The episodes will appear as part of the Facebook group Translators & Interpreters (ProZ.com). The audio recording is very short (hence the name!), with the idea that it leads straight into a discussion in the comments. Transcripts from the first two episodes are included here.