Next Step Fusion – founded in 2023 and based in Bertrange, Luxembourg – is a fusion industry software and services company supporting tokamak developers in the design, simulation, optimisation, control, and operation of their devices through integrated modelling and AI/ML-enabled solutions.

The company provides advanced tokamak modelling, simulation, and control system development tools, including the Fusion Twin Platform, a web-based environment for running digital replicas of tokamaks and performing detailed simulations to aid design and operational decisions.

Next Step Fusion’s offerings are focused on tokamak design and optimisation support, plasma control solutions, and integration of machine-learning techniques into modelling workflows to accelerate fusion development.