ReEir is a research firm that develops global regenerative medicine and cell therapy products for ulcer patients.
ReEir has raised $3.9M in total funding. The most recent round was Seed. The last funding was announced in July 2025.
ReEir's investors include 01booster, TOPPAN Holdings, Asahi Group Holdings, Seibu Shinkin Capital, Hisamitsu Pharmaceutical.
ReEir is headquartered in Hongo, Japan.
ReEir is a research firm that develops global regenerative medicine and cell therapy products for ulcer patients.
ReEir is at the Seed stage.
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"ReEir — Funding & Investors." VCBacked, July 17, 2025, https://www.vcbacked.co/company/reeir. Accessed August 14, 2026.
VCBacked. (2025). ReEir — Funding & Investors. Retrieved August 14, 2026, from https://www.vcbacked.co/company/reeir
{{cite web |title=ReEir — Funding & Investors |url=https://www.vcbacked.co/company/reeir |website=VCBacked |access-date=August 14, 2026}}Profile data sourced and verified per the VCbacked methodology · Last funding round dated