Seongnam, South Korea is a key area for technology startups, with a strong focus on AI and semiconductor development. The city is also home to major players in digital media and mobility.
Companies like AI chip developer Rebellions have secured significant funding, raising $457.7M. Meanwhile, established names like Kakao Mobility have attracted investments totaling $1B.
Below is our list of 15 Seongnam startups worth keeping an eye on.
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Get the Sheet for $50Rebellions develops AI accelerator chips and data center systems designed for efficient inference in large-scale applications. Their hardware is engineered to handle the intensive computational demands of modern AI models within data centers.
| Year Founded | 2020 |
| Founders | Hyo-Eun Kim, Jinwook Oh, Sunghyun Park |
| Funding Amount | $457.7M |
| Startup Size | Large Team (251-1,000) |
| Last Funding Status | Series C |
| Top Investors | Samsung Electronics, Kakao Ventures, Korea Development Bank, Arm Holdings, Pavilion Capital |
DEEPX builds AI semiconductor technology designed to be a powerful and energy-efficient solution for edge devices. Their lineup of NPUs provides the hardware needed to run complex AI models directly on products like smart cameras and robots.
| Year Founded | 2018 |
| Founders | Lokwon Kim |
| Funding Amount | ₩134.5B |
| Startup Size | Mid-Size Team (51-250) |
| Last Funding Status | Series C |
| Top Investors | Korea Development Bank, Capstone Partners, Magna Investment, Aju IB Investment, Shinhan Capital |
SK biopharmaceuticals develops and commercializes new medicines for central nervous system disorders. The company has brought multiple therapies to market, including a globally available treatment for epilepsy in adults.
| Year Founded | 2011 |
| Founders | — |
| Funding Amount | $180M |
| Startup Size | Mid-Size Team (51-250) |
| Last Funding Status | Grant |
| Top Investors | Goldman Sachs, Mubadala, KB Investment, Korea Drug Development Fund, HBM Healthcare Investments |
XCENA builds intelligent memory solutions and computing architectures based on CXL technology. Their hardware is designed to enable memory pooling and sharing, which helps solve critical performance bottlenecks in data centers.
| Year Founded | 2022 |
| Founders | — |
| Funding Amount | $50.9M |
| Startup Size | Mid-Size Team (51-250) |
| Last Funding Status | Series A |
| Top Investors | IMM Investment, LB Investment, Industrial Bank of Korea, Mirae Asset Capital, Mirae Asset Venture Investment |
Sky Labs created a smart ring that serves as a mobile personal health analysis and prediction system. Their wearable technology is designed for continuous monitoring and early detection of health issues.
| Year Founded | 2015 |
| Founders | Jack Lee |
| Funding Amount | $42M |
| Startup Size | Founding Team (1-10) |
| Last Funding Status | Series C |
| Top Investors | Bayer, Korea Development Bank, Korea Investment Partners, KB Investment, TIPS Program |
Line Next builds a global NFT platform, DOSI, used by creators and brands to launch their own digital collectibles. The company is focused on making Web3 more accessible by providing an all-in-one solution for creating, trading, and managing digital assets.
| Year Founded | 2011 |
| Founders | — |
| Funding Amount | $150M |
| Startup Size | Large Team (251-1,000) |
| Last Funding Status | Private Equity |
| Top Investors | Hashed, Naver, NAVER Z, SoftBank Group, Line Games |
Thinkware develops a line of advanced dash cameras for the global automotive market. The company is recognized for its market-leading technology, which includes superior night vision and integrated driver-assistance systems.
| Year Founded | 1997 |
| Founders | — |
| Funding Amount | ₩29.2B |
| Startup Size | Large Team (251-1,000) |
| Last Funding Status | Seed |
| Top Investors | ARGES Private Equity |
Kakao Entertainment develops and circulates a vast array of content, including digital comics, novels, original music, and videos. The company connects creators with a global audience through its extensive network of entertainment platforms.
| Year Founded | 2021 |
| Founders | — |
| Funding Amount | ₩1325B |
| Startup Size | Large Team (251-1,000) |
| Last Funding Status | Private Equity |
| Top Investors | Saudi Arabia's Public Investment Fund, GIC, Anchor Equity Partners |
Kakao Games publishes a wide array of PC and mobile games, serving a global player base across various genres. The company operates as the gaming division of South Korean tech conglomerate Kakao, connecting developers with new audiences.
| Year Founded | 2015 |
| Founders | Kim Beom-Soo |
| Funding Amount | $139.4M |
| Startup Size | Mid-Size Team (51-250) |
| Last Funding Status | Venture Round |
| Top Investors | Tencent, Premier Partners, Netmarble, Bluehole, Actoz Soft |
Kakao Mobility develops and runs Kakao T, South Korea's leading smart mobility platform. The app connects millions of users with a variety of services, including taxi-hailing, parking, navigation, and designated drivers.
| Year Founded | 2017 |
| Founders | — |
| Funding Amount | $1B |
| Startup Size | Large Team (251-1,000) |
| Last Funding Status | Corporate Round |
| Top Investors | TPG, Google, The Carlyle Group, Hong Kong Monetary Authority, LG Group |
5 Additional Seongnam Startups Worth Following
Those ten companies are just the start of the story in Seongnam. Founders across the city are tackling problems in everything from healthcare to AI, raising hundreds of billions of Won along the way.
Some are established players while others are much earlier in their journey. Here are five more companies helping to define Seongnam's startup scene.