Castellum

Bethesda, United States

Castellum is a defense-oriented technology company which is executing strategic acquisitions in the cyber security, information technology.

$5.0M raised

Jun 2025

Post-IPO Equity

Top Investors

30,000+ verified contacts

Emails, phones & LinkedIn profiles

How much funding has Castellum raised?

Castellum has raised $5.0M in total funding. The most recent round was Post-IPO Equity. The last funding was announced in June 2025.

Who are Castellum's investors?

Castellum's investors include Live Oak Bank.

Where is Castellum headquartered?

Castellum is headquartered in Bethesda, United States.

What does Castellum do?

Castellum is a defense-oriented technology company which is executing strategic acquisitions in the cyber security, information technology.

What stage is Castellum at?

Castellum is at the Post-IPO Equity stage.

Cite this page

Free to use in articles, research, and reference works. Stable URL — will not change. Data on this page last updated June 12, 2025.

MLA

"Castellum — Funding & Investors." VCBacked, June 12, 2025, https://www.vcbacked.co/company/castellum. Accessed July 2, 2026.

APA

VCBacked. (2025). Castellum — Funding & Investors. Retrieved July 2, 2026, from https://www.vcbacked.co/company/castellum

Wikipedia (cite web)

{{cite web |title=Castellum — Funding & Investors |url=https://www.vcbacked.co/company/castellum |website=VCBacked |access-date=July 2, 2026}}

Profile data sourced and verified per the VCBacked methodology. Last funding round dated June 12, 2025.