Guinness Ventures

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Investment Portfolio

Dragonfly AI lands £5m investment led by 24Haymarket to help brands maximise creative performance

28 Jan 2026

Dragonfly AI lands £5m investment led by 24Haymarket to help brands maximise creative performance

Dragonfly AI offers a creative testing platform that predicts how advertising and visual assets will perform. It helps brands assess attention, emotion and memory response before campaigns go live.

GlycanAge

18 Dec 2025

GlycanAge lands £6.5m in funding led by Fifth Quarter Ventures to bring glycan-based diagnostics into healthcare

GlycanAge develops glycan-based diagnostic tests that help clinicians assess inflammation, ageing and cardiometabolic risk, supporting preventive healthcare and longitudinal monitoring across cardiovascular and female health applications.

YASO

22 Sept 2025

YASO secures £8m Series A led by Puma Growth Partners to expand its operating system for global brands in China

YASO supplies an end-to-end operating system that helps global consumer brands sell directly into China, managing payments, logistics, compliance and integrations across major ecommerce platforms.

Perci Health

11 Jun 2025

Perci Health secures £3m from UK venture funds and Macmillan Cancer Support to scale virtual cancer clinic

Perci Health runs a virtual cancer clinic that combines digital tools with multidisciplinary specialist care, supporting patients through treatment, recovery and survivorship while addressing gaps in long-term cancer care provision.

Cera

13 Jan 2025

Cera raises £120m in financing led by BDT & MSD Partners to expand AI-driven home healthcare

Cera delivers AI enabled home healthcare services that help carers predict patient deterioration earlier, reduce hospital admissions and support overstretched health systems with data driven decision making.

Guinness Ventures