expression, godan verb (-su)
set up a company; start a company
Used for founding or establishing a new company. 起こす here means 'to start' or 'to launch'.
彼は大学を卒業してすぐに会社を起こした。
He started a company right after graduating from university.
資金を集めて新しい会社を起こす計画です。
We plan to raise funds and set up a new company.