Kardi Ai Raises €5.3Mn in Series A Funding to Expand Heart Monitoring Technology Across Europe and Asia
Nov 11, 2026 | By Oliver Bennett

Czech medtech startup Kardi Ai has raised €5.3 million in a Series A funding round. The round was led by German healthtech investment fund Callisto Health.
SUMMARY
- Czech medtech startup Kardi Ai raised €5.3 million in Series A funding, led by Callisto Health.
- Other investors include Seed Starter, BrightCap Ventures, Purple Ventures, DEPO Ventures and Garage Angels.
- The funding will support expansion across Europe and Asia, with Germany, India, the UAE and Singapore among its target markets.
Other investors included Česká spořitelna and Slovenská sporiteľňa through Seed Starter, along with BrightCap Ventures, Purple Ventures, DEPO Ventures and Garage Angels.
"We are gradually moving beyond detecting heart rhythm disorders towards technology capable of identifying an increased risk before arrhythmia manifests. Nearly two billion people live in the markets where we already operate or are preparing to launch. The new capital will allow us to validate this technology at global scale and across patient demographics and pursue our ambition to become a leading provider of long-term ECG monitoring in these markets," said Vlastimil Hrabal, co-founder and CEO of Kardi Ai.
Kardi Ai develops a technology platform that helps monitor heart activity over a long period and detect possible heart rhythm problems early. Its solution combines a chest strap with an ECG sensor, a mobile app and AI-powered technology that analyses heart activity data.
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The company's chest strap records heart activity while people go about their daily routines. This helps collect more information than traditional heart tests, which usually monitor the heart for only a short period and may miss irregularities that happen occasionally.
The collected data is analysed to help doctors identify possible heart rhythm problems and decide whether patients need further medical attention. The platform does not diagnose medical conditions but provides useful information to support doctors in making clinical decisions.
The new funding will help Kardi Ai expand its business in Europe and Asia. The company plans to focus on Germany first, followed by new markets such as India, the UAE and Singapore.
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