Privacy-Preserving Data Analytics and AI Platform

Sarus, founded in 2020 and based in Paris, builds privacy-preserving data infrastructure that allows organizations to analyze sensitive datasets without ever exposing raw personal information. Its platform uses confidential computing and advanced cryptography to enable controlled computation over encrypted data, supporting multi-party collaboration

while enforcing strict output visibility controls. Sarus incorporates differential privacy with provable guarantees against re-identification attacks, alongside zero trust data access controls that prevent practitioners from viewing raw inputs.

The company raised €2 million in a seed round led by Serena with co-investor XAnge. Sarus serves clients in regulated industries such as finance and energy, and provides adversarial testing frameworks that simulate privacy attacks to strengthen defenses. Its technology is increasingly used to support AI development in environments where compliance, data minimization, and privacy-by-design are mandatory.