UK tech funding jumps over £2.6 bn as Isomorphic Labs secures £1.6 bn Series B

*TL;DR: UK tech funding exploded to £2.67 bn this week, a rise of more than 1,000% week‑on‑week, with Isomorphic Labs raising £1.6 bn in a Series B round.*

Context The UK Technology Network (UKTN) recorded £2.67 bn of venture activity from 11 May to 15 May, covering 13 deals across health, AI, fintech and clean energy. The week’s headline is the DeepMind spin‑out Isomorphic Labs, which closed a £1.6 bn Series B round backed by major investors including Alphabet’s venture arm GV and the UK Sovereign AI Fund.

Key Facts - Total UK tech investment this week: £2.67 bn, up more than 1,000% from the previous week. - Deal count: 13 funding rounds spanning AI, cloud, fintech, blockchain, defence and energy. - Isomorphic Labs (health‑tech/AI, London) raised £1.6 bn, the largest single round. - Nscale secured £580 m for AI cloud infrastructure; Fractile attracted £162.8 m for AI inference chips. - Paymentology, a fintech issuer‑processing platform, closed a £129.4 m growth round. - Elliptic, a blockchain analytics firm, raised £88.8 m in a Series D. - Multiverse, an ed‑tech upskilling provider, added £50 m in a Series E. - Defence‑tech specialist Rowden obtained £25 m for modular electronics. - Early‑stage AI firms Fifth Dimension (£19.2 m), Happl (£8 m), Kohort (£5.1 m), Kaizan (£2.5 m) and energy start‑up H2CHP (£1.5 m) also closed rounds. - Esk, an entertainment‑tech company, raised £2.6 m for IP licensing.

What It Means The surge signals renewed confidence in UK‑based AI and deep‑tech ventures after a quiet prior week. Isomorphic Labs’ £1.6 bn raise underscores the appetite for AI‑driven drug discovery, a sector where the UK already hosts world‑leading research. Parallel large rounds for Nscale and Fractile suggest investors are betting on the infrastructure needed to run large language models and other AI workloads.

Fintech and blockchain remain robust, with Paymentology and Elliptic together attracting over £218 m. The diversity of sectors—defence, clean energy, ed‑tech and entertainment—shows that capital is spreading beyond pure AI, supporting a broader innovation ecosystem.

Looking ahead, the next week’s funding data will reveal whether this spike is a one‑off rebound or the start of a sustained upswing in UK tech investment. Watch for follow‑on rounds in AI infrastructure and any new sovereign fund commitments that could further fuel the growth.