F4 is an industrial hardware design validation platform that focuses on engineering drawing compliance and interpretations.
F4 has raised $500K in total funding. The most recent round was Pre-Seed. The last funding was announced in September 2025.
F4's investors include Y Combinator.
F4 is headquartered in San Francisco, United States.
F4 is an industrial hardware design validation platform that focuses on engineering drawing compliance and interpretations.
F4 is at the Pre-Seed stage.
Free to use in articles, research, and reference works. Stable URL — will not change. Data on this page last updated .
"F4 — Funding & Investors." VCBacked, September 9, 2025, https://www.vcbacked.co/company/f4. Accessed July 31, 2026.
VCBacked. (2025). F4 — Funding & Investors. Retrieved July 31, 2026, from https://www.vcbacked.co/company/f4
{{cite web |title=F4 — Funding & Investors |url=https://www.vcbacked.co/company/f4 |website=VCBacked |access-date=July 31, 2026}}Profile data sourced and verified per the VCbacked methodology · Last funding round dated