Network, and Reach Out: Let Others in Associated Industries Know Who You Are.
Once you’re active on social media, reach out to others. It’s allowed. If a graphic designer posts something you like, comment on it. Make a note of the person so that you get to know them.
Your outreach depends on the kind of writing you do, and the kinds of clients you want. Reach out to editors, Web content developers, content managers, and other writers.
As I keep saying… it’s not who you know. It’s who knows you.