Essential
Citronnier
The world's leading Medical SaaS pioneer. From EMR to advanced Bio-Investment platforms, we engineer the future of health.
Essential means
Indispensable.
Just as a lemon tree (Citronnier) provides essential nutrients, Essential Citronnier provides the vital software infrastructure that the medical world relies on.
We are not just building apps; we are crafting the digital DNA of future healthcare. From EMR systems that save time to bio-investment platforms that fuel innovation.
Pioneering Medical SaaS
We build the world's best software for the medical industry, connecting data, patients, and professionals.
Advanced EMR
Next-generation Electronic Medical Record system optimizing clinical workflows.
Sleep Health App
AI-powered sleep analysis and coaching for better rest and recovery.
Buybio Bio-Invest
The premier investment platform specialized in the biotech and pharmaceutical sectors.
Sinsindangbu Care
A kidney patient health management app, co-developed with Mediology Inc.
Hair Loss Management
Comprehensive tracking and personalized care solutions for hair health.
Medical Dictionary
The most accurate and up-to-date medical terminology database for professionals.
Lemon Medical Blog
Insights and updates on medical technology and health trends.
TMEDIO Lab Website
Official website for Professor Kim Hye-Ryun's Translational Medicine Immuno-Oncology Lab at Yonsei University Severance Hospital.