Ask HN: How to find better clients as a two-person remote dev team?

I'm a European developer and I've been subcontracting through Gigster and similar for the last year making around $7.5k/month ($50/h) working with US based companies, 100% remote. Recently I've decided to team up with a good friend and work directly with clients. I do client-side development (React, es6 etc.) and UX design, while my colleague does Ruby on Rails, DevOps and system administration. We are high-skilled, self-managing, and have worked together on several complex projects. We work remotely and are based in a small Central European country, but we're happy to visit US based clients when required. We are looking to charge $80+/per person/per hour. The biggest hurdle is finding the first $80+/h client, as we never took the time to grow our professional networks (subcontracting will do that to you). I've read patio11's essays and those of many other similar authors, but most of the advice is based on local consulting. Are th