[dotancohen]

The company that printed the PCB, PCBWay, also offers PCBAs. They're really not expensive, though you might need to order in batches of multiples of five.

[actinium226]

JLCPCB also offers assembly and they're much, much cheaper, like an order of magnitude cheaper.

[wkat4242]

Wow thanks!!! I've been trying to find a cheap flex pcb supplier but the cheapest i found was $150 for 10. They are way cheaper making my project viable!