The easiest way for businesses to buy Bitcoin.
Castle has raised $1.0M in total funding. The most recent round was Pre-Seed. The last funding was announced in June 2025.
Castle's investors include Boost VC, Winklevoss Capital, Park Rangers Capital, Epoch VC.
Castle is headquartered in Coral Gables, United States.
The easiest way for businesses to buy Bitcoin.
Castle 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 .
"Castle — Funding & Investors." VCBacked, June 26, 2025, https://www.vcbacked.co/company/castle. Accessed July 22, 2026.
VCBacked. (2025). Castle — Funding & Investors. Retrieved July 22, 2026, from https://www.vcbacked.co/company/castle
{{cite web |title=Castle — Funding & Investors |url=https://www.vcbacked.co/company/castle |website=VCBacked |access-date=July 22, 2026}}Profile data sourced and verified per the VCbacked methodology · Last funding round dated