Callosum
Early-stage Data & Infrastructure
- Headquarters
- London
- UK presence
- UK headquartered
Builds systems-level software that sits between AI applications and the hardware they run on, breaking each workload into tasks and routing them to the model and chip best suited to the job to cut cost and energy. Founded by two Cambridge neuroscientists. Headquartered in London.
The story so far
£79M raised across 1 round we've tracked.
- 20 August 2026