Quantum company
Multiverse Computing
Quantum software and quantum-inspired AI model compression (CompactifAI) company based in San Sebastián.
Technology
Multiverse Computing, founded in 2019 in Donostia (San Sebastián), develops quantum software and CompactifAI, a model compression technology built on quantum-inspired tensor networks. It raised a EUR 189M ($215M) Series B led by Bullhound Capital in June 2025 and a $570M Series C in July 2026, co-led by Forgepoint Capital International, BNPP Solar Impulse Venture Fund and Bullhound Capital.
