Big companies have immigration departments. You have a hiring need and a credit card you shouldn't need to use. Good news: you won't, and you don't need the department either.
H-1B programs: LCAs, prevailing wages, files, renewals, audits. That is the machinery of being a petitioner. The agent-based O-1 removes the reason for the machinery — the petition is filed by an authorized agent, so there is nothing on your side to industrialize.
The platform side: nothing, with no card collected. Your counsel's hour to read a page. That's the program.