Tier IV is a Robotics company based in Tokyo, Japan. It has raised $400M in total funding. Latest round: Series B.
Tier IV is a Robotics company based in Tokyo, Japan. Tier IV has raised $400M in total disclosed funding. That places its disclosed total in the $250M–$1B range. Its most recent disclosed round is a Series B announced in May 2024. The round record for Tier IV runs through 2024; nothing later has been disclosed.
Every Tier IV figure above comes from filings and announced rounds in the StartupFundraising company database and is revised as new rounds are recorded. The lists below compare Robotics companies in Tokyo at a similar stage.
Company funding database · Investor directory · Founder database · Mega-rounds 2026