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Kardi Ai Raises €5.3 Million Series A

Czech healthtech startup plans European and Asian expansion.

11/11/2026
•Ali Abounasr El Alaoui
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Czech healthtech startup Kardi Ai raised €5.3 million in Series A funding. The company develops an AI-powered heart monitoring platform using a wearable ECG chest strap. Callisto Health led the round, with participation from Česká spořitelna, Slovenská sporiteľňa through Seed Starter, BrightCap Ventures, Purple Ventures, DEPO Ventures, and Garage Angels.


Record round and valuation

The Series A values Kardi Ai at 600 million Czech korun. That marks an increase of almost 1,300% since the company was founded in 2022. The company said the round is the largest disclosed investment in a Czech medtech startup.

Company traction

Kardi Ai was founded in Olomouc in 2022. In the Czech Republic, it works with more than 70 hospitals and over 20 corporate and benefit partners. Its monitoring technology is used by more than 6,000 people.

What the platform does

Patients wear a chest strap with an ECG sensor during normal daily activities. The mobile app sends recordings for AI-powered analysis of heart rhythm. The system does not provide a diagnosis but gives doctors long-term data to support further care decisions.


Kardi Ai plans to enter Germany after finishing pilot projects. It holds regulatory approvals for India and the United Arab Emirates and is completing the approval process in Singapore. The company also plans to develop predictive models that estimate arrhythmia risk before symptoms appear.