AgileRL

AgileRL is a London-based machine learning company founded in 2023 by Param Kumar (CEO) and Nicholas Ustaran-Anderegg (CTO), with backing from Entrepreneur First. The company was founded to solve a structural problem in enterprise AI: reinforcement learning — the training technique behind some of the most capable AI systems ever built — requires so much specialist infrastructure that only the largest technology companies can deploy it.

The company operates a two-tier platform. Its free open-source RL framework has been downloaded over 300,000 times and provides state-of-the-art algorithms at scale. Its managed RLOps platform, Arena, handles the complete engineering stack from environment validation and evolutionary hyperparameter optimisation to distributed multi-GPU training and one-click deployment. Arena's key differentiator is evolutionary hyperparameter optimisation, delivering a claimed 10x reduction in training time and compute cost. Customers include MIT, Carnegie Mellon, Roblox, IBM, Airbus, and JPMorgan. In January 2026, AgileRL raised a £6 million seed round led by Fusion Fund.