CNT Tech backs AI marketing startup Sigmine and femtech firm Isabella in seed rounds

What's the deal? CNT TechDealroom has a profile for this one. Try Dealroom → has made seed investments in SigmineDealroom has a profile for this one. Try Dealroom →, an AI-based social media marketing startup, and Isabella, a data-driven women's healthcare company, the firm said on August 5. The investment amounts were not disclosed.

What do they do? Sigmine builds an AI ad-tech platform that generates brand-tailored social media content and analyses campaign performance in a single feedback loop. Isabella develops AI-based women's health solutions, combining obstetric clinical experience with sensor technology.

What's the endgame? Sigmine aims to help companies address marketing talent shortages and make data-driven decisions, using a reward model that reflects both brand fit and marketing results. Isabella's flagship product, the Lunéo home-care device, pairs with the Coach Lunéo app to analyse biometric data and deliver personalised health services.

Isabella developed its sensing technology through collaboration with the Korea Advanced Institute of Science and Technology (KAIST) and the Korea Research Institute of Standards and Science (KRISS). It plans to expand into software-based medical devices and digital therapeutics.

Why now? CNT Tech said it was drawn to workflow innovation using AI and the growth potential of the digital healthcare market. Both startups use data and AI to tackle inefficiencies in existing industries, it said.

The signal: "AI has now become a core technology for boosting productivity across industries, and healthcare is also rapidly shifting to data-based personalised care," a CNT Tech representative said. The two bets track a wider move toward applying AI to specific verticals — from marketing automation to femtech — where startups pitch measurable efficiency gains over generic generative tools.

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Image credit: Generated with Gemini