Uk HealthTech Startup Calibre Raises €2.8M Funding In Pre-Seed Round

The funding round was led by Berlin-based Amino Collective, with participation from Daybreak Ventures, Cocoa Ventures, and a group of experienced founders, operators, and medical experts. Notable angel investors include Gousto founder Timo Boldt and N26 co-founder Maximilian Tayenthal.

Calibre focuses on advancing proactive health by helping individuals better understand and navigate the root causes of health outcomes using its new Causal Health Navigation approach.

Calibre was founded in 2025 by Alexander Weber (CEO), former Chief Growth Officer at N26, Ben Levy (CTO), former CTO at Elvie and Manual, and Dr Reinhold Innerhofer (CMO), a physician and sports scientist.

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The company offers a proactive health membership that combines diagnostics, clinical expertise, and causal AI to help individuals understand their health and how to improve it.

It focuses on identifying the root causes of health issues by linking medical history, lifestyle, and environmental data with diagnostic testing.

Calibre aims to address the growing gap in preventive healthcare noting that many people struggle to understand their health needs and increasingly rely on AI tools for guidance. The platform provides personalised health insights and actionable plans to improve daily wellbeing and reduce long-term risks.

It works with clinician-led care supported by causal AI to deliver continuous, personalised health monitoring, previously accessible mainly to elite athletes and high-net-worth individuals. The service is priced from €79.3 (£69) per month.

Calibre is currently applying to become a CQC-regulated provider in the UK with clinical services delivered through its partner DocTap. The UK is its initial market, with plans for international expansion.

Alex Weber, co-founder and CEO of Calibre, said, “Over the last years, we have been witnessing a generational shift in how people think about health – from health being the absence of sickness to it being the foundation to live life fully. Left alone by the system, people are now in the era of health guesswork. Calibre is what comes next: a proactive health partner for life that deeply understands your full picture, tells you what’s actually driving your health, and guides you as your health evolves. Our vision is a world where everyone has the health to realise their potential.”

About Calibre

Calibre is a HealthTech company offering a proactive health membership that combines diagnostics, clinical expertise, and causal AI to help individuals understand and improve their health. Founded by Alexander Weber, Ben Levy, and Dr Reinhold Innerhofer, it focuses on identifying root causes of health issues through personalised data-driven insights and plans.