LuxQuanta is a Barcelona-based spin-off from ICFO (Institute of Photonic Sciences) founded in May 2021. The company develops and delivers Quantum Key Distribution (QKD) systems designed to integrate into existing network infrastructures and provide quantum-safe security layers on top of mathematical cryptographic techniques. The company's core technology focuses on Continuous Variable Quantum Key Distribution (CV-QKD), which addresses the security challenges posed by quantum computing to traditional encryption methods. Their systems are engineered to safeguard confidential data for personal, institutional, and governmental use cases while enhancing telecommunications security. LuxQuanta's multidisciplinary team includes engineers with expertise in quantum technologies, FPGA development, telecommunications, digital signal processing, microelectronics, software development, and optoelectronic components. The company maintains European majority ownership and control, with investors including Big Sur Ventures, A&G Global Investors, GMV, Wayra Telefónica, European Innovation Council, Corning, GTD System & Software Engineering, ICFO, and ICREA. The company is a member of OPTICA (formerly OSA), European Quantum Industry Consortium (EuroQuIC), and the Spanish Association of the Digital Industry sector (AMETIC). LuxQuanta collaborates with innovative companies and research institutes to advance quantum communication technology and contribute to Europe's digital sovereignty and industrial competitiveness in the quantum cryptography ecosystem.