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The latest funding rounds from the UK tech ecosystem. Updated 16 October 2026.

Announcements

196

Total raised

£6.0B

disclosed amounts

Seed
£5.5M

Fusion Fund led the seed round, which will fund a new San Francisco office and team expansion.

"Arena has significantly streamlined our RL development workflow, making training and deploying agents a breeze. The platform’s hyperparameter tuning capabilities have dramatically accelerated our experimentation and improved the performance of our models."
— Andrew Nestor
Pre-Seed
£730K

The pre-seed round was led by Twin Path Ventures with participation from SFC Capital and strategic angels.

"It would have taken the best part of a year, and tied up a lot of skilled researcher time, to get to the outputs WholeSum can do in minutes"
— Seamus Allison