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Isengard Industries Inc

YC S26

San Francisco, US · Founded 2026 · 30 employees · 2 known investors

Isengard Industries manufactures production systems that enable allied nations to domestically produce precision-strike and counter-unmanned aircraft systems at scale and lower cost than traditional defense contractors.

Founders & leadership· Y Combinator alumni (S26)

Isengard Industries Inc was founded in 2026 by Francisco Serra-Martins and James Tennant.

FSFrancisco Serra-Martins
Francisco Serra-MartinsinCo-FounderFrancisco Serra-Martins previously served as co-founder and CEO of Terminal Autonomy, where he scaled the company to $60M in revenue with customers including the U.S. Army, NATO, and Ukrainian armed forces, and raised over $15M in funding. He also held the role of CEO at Sonder Design and served as a combat engineer in the Australian Defence Force, with an engineering degree from the University of Sydney.
JTJames Tennant
James TennantinFounderJames Tennant is co-founder and CIO of Isengard Industries, which develops counter-drone interceptor systems. He previously served as an Australian Army officer and spent a decade in private equity and credit, including running Balmoral, a private credit fund, while conducting defense technology transactions across multiple regions; he is completing a PhD on economic warfare and hybrid threats.

Investors · 2

Frequently asked questions

What does Isengard Industries Inc do?
Isengard Industries manufactures production systems that enable allied nations to domestically produce precision-strike and counter-unmanned aircraft systems at scale and lower cost than traditional defense contractors.
Who founded Isengard Industries Inc?
Isengard Industries Inc was founded by Francisco Serra-Martins, James Tennant in 2026.
Who are Isengard Industries Inc's investors?
Isengard Industries Inc's investors include Y Combinator, Backswing Ventures.
Where is Isengard Industries Inc headquartered?
Isengard Industries Inc is headquartered in San Francisco, US.
Isengard Industries Inc — Investors & Founders | Fundraising Fox