Région Sud Investissement

Région Sud Investissement is a venture capital firm founded in 2010 and located in Marseille, France. The firm focuses on supporting startups through a variety of financing options, including venture capital investments, participatory loans, and convertible loans. By investing in early-stage companies, Région Sud Investissement aims to foster innovation and economic growth within the region.

Pierre Joubert

CEO

Past deals in Nuclear Energy

Hexana

Seed Round in 2025
Hexana is a nuclear energy company specializing in small modular reactors (SMRs). It operates sodium-cooled fast neutron reactors, integrated with high-temperature storage systems, to produce flexible electricity and process heat. The company aims to reduce nuclear waste volume through its innovative technology.

Nexess

Venture Round in 2024
Nexess SAS is a company that specializes in developing and selling security management solutions tailored for nuclear and Seveso-type plants. Founded in 2006 and based in Mougins, France, with an additional office in Paris, the company offers a range of products including NexLink, a software platform designed to enhance security and productivity. Its offerings also encompass various identification products such as personal security badges, RFID tags, and mobile devices, along with smart camera systems that provide autonomous image analysis and real-time data transmission. Nexess's solutions are utilized for applications like hazardous product traceability, managing smart secured cabinets, site localization, and monitoring access to hazardous zones. By integrating technologies such as RFID, Nexess supports major digital transformation projects, enhancing clients' performance in productivity, quality, and security.
Spot something off? Help us improve by flagging any incorrect or outdated information. Just email us at support@teaserclub.com. Your feedback is most welcome.