PLANTNER
Seoul, South Korea
◆ Stage
pre-series-a
◆ Location
Seoul, South Korea
◆ Founded
2023
◆ Team size
1-10
◆ Links
◆ About PLANTNER
PLANTNER is a South Korean marine biomaterial startup developing locally sourced alginate and other customized materials for bio, medical device, and beauty applications.
◆ What sets it apart
It localizes alginate production from underutilized domestic seaweed, reducing import dependence while providing customized biomaterial formulations for multiple end markets. [1][3][5]
◆ Sectors
◆ Business
Modeltransactional
CustomerCompanies developing bio-based products, medical devices, cosmetics/beauty formulations, and other industrial applications that need customized biomaterial inputs
◆ Notable
- Grand Prize Winner, 2025 KAIST Climate Tech Audition
- Finalist, 2026 Edison Awards
- Impact Special Award Winner, TechFest Vietnam 2025
- Commercialized products in Vietnam with certification and composition guarantees from government-accredited institutions
- Selected for KOICA CTS SEED 1
- Received SEED investment from 500 Global and Bluepoint Partners
- Selected for TIPS R&D
◆ Funding rounds
30 Jul 2026
Led by Coolidge Corner Investment
With Impact Square, Hana Financial Group–QNEST, Yuhan-Kimberly–MYSC, AI Angel Club–CNTTech
◆ Explore the market
◆ FAQ
What does PLANTNER do?
PLANTNER is a South Korean marine biomaterial startup developing locally sourced alginate and other customized materials for bio, medical device, and beauty applications.
Where is PLANTNER based?
PLANTNER is based in Seoul, South Korea, founded in 2023.
Who has invested in PLANTNER?
Investors in PLANTNER include 500 Global, Bluepoint Partners, Korea International Cooperation Agency and Tech Incubator Program for Startups.