Nautilus Investment
Korean VC and accelerator backing early-stage deep-tech startups, tied to a Silicon Valley sister firm.
🇰🇷 Seoul · Founded 2019
Seed to Series A
Nautilus Investment (노틸러스인베스트먼트) is a Korean venture capital firm and accelerator founded in 2019. It is affiliated with Nautilus Venture Partners in Silicon Valley. CEO Lim Sung-won previously worked at Samsung Venture Investment. The firm invests in early-stage deep-tech startups, mostly at Seed and Series A, and operates a TIPS program. It has offices in Seoul (Gangnam), Incheon, Gwangju and Cheonan.
What they invest in
We help deep-tech startups expand globally through investment and acceleration. We invest in technology-based startups that can create innovation.
- Stage
- Seed to Series A
- Fund
- Nautilus Next Big Thing Fund 2 · KRW 20.5B
- Closed 2026
- Deep tech
- Artificial intelligence
- Manufacturing
- Biotech & medical
- Semiconductors
- South Korea
How to pitch
Openfor introduces founders whose company fits the criteria above.
Open to
- Mentoring founders
Runs support programs for tech startups, operates a TIPS program, and has mentored global startups as an accelerator in the K-Startup Grand Challenge.
Portfolio
The firm's own site lists 56 portfolio companies. Public data shows mostly Seed and Series A rounds since 2019, mainly in manufacturing, AI, biotech and food, in South Korea.
Some of the companies they have backed
The portfolio at a glance · 30 companies · 2025–2026 · 1 exit
Sectors
- Advertising tech3%
- AI models3%
- Aquaculture3%
- Enterprise software3%
Stage when they invested
- Seed3%
- Series B3%
Where the companies are
- 🇰🇷 South Korea10%
30 of the 56 companies on the firm's own portfolio page, as of Oct 2026. Deal details come from Caplight, PitchBook and press. The site has the full list.
Co-investors and partners
Funds that invested in the same rounds.
