
Niobium Microsystems pioneers Zero Trust Computing solutions with the industry's fastest fully homomorphic encryption (FHE) hardware accelerators. Their custom PCIe card accelerates FHE software performance by multiple orders of magnitude, enabling encrypted data processing without sacrificing speed. This allows organizations to maintain mathematically guaranteed data privacy during storage, transmission, and processing, supporting regulatory compliance and unlocking new machine learning and statistical analysis applications. Niobium spun out from Galois in 2021 and maintains a strategic partnership for advanced privacy technologies. Headquartered in Dayton, Ohio, with offices in Columbus, Portland, and San Francisco, Niobium targets sectors requiring high data privacy and security.

Niobium Microsystems pioneers Zero Trust Computing solutions with the industry's fastest fully homomorphic encryption (FHE) hardware accelerators. Their custom PCIe card accelerates FHE software performance by multiple orders of magnitude, enabling encrypted data processing without sacrificing speed. This allows organizations to maintain mathematically guaranteed data privacy during storage, transmission, and processing, supporting regulatory compliance and unlocking new machine learning and statistical analysis applications. Niobium spun out from Galois in 2021 and maintains a strategic partnership for advanced privacy technologies. Headquartered in Dayton, Ohio, with offices in Columbus, Portland, and San Francisco, Niobium targets sectors requiring high data privacy and security.
Headquarters: Dayton, Ohio (offices in Columbus, Portland, San Francisco)
Product: ASIC/SoC hardware accelerators for Fully Homomorphic Encryption (FHE)
Founded: 2021 (spun out of Galois)
Employee count: 41
Total funding reported: USD 10,090,000
Private computation / Zero Trust Computing for AI, healthcare, finance and other sectors requiring high data privacy
2021
Cybersecurity / Privacy-preserving computation
USD 5,500,000
Reported seed round led by Fusion Fund with participation from multiple investors.
Latest seed round reported on Mar 14, 2025 (Crunchbase listing).
“Samsung Catalyst Fund; Alumni Ventures; Fusion Fund; Morgan Creek Capital Management; Ohio Innovation Fund; Hale Capital; Rev1 Ventures”