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Top 15 Seongnam Startups to Watch in 2026

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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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Rebellions 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 Founded2020
FoundersHyo-Eun Kim, Jinwook Oh, Sunghyun Park
Funding Amount$457.7M
Startup SizeLarge Team (251-1,000)
Last Funding StatusSeries C
Top InvestorsSamsung Electronics, Kakao Ventures, Korea Development Bank, Arm Holdings, Pavilion Capital
DEEPX Logo

2. DEEPX

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 Founded2018
FoundersLokwon Kim
Funding Amount₩134.5B
Startup SizeMid-Size Team (51-250)
Last Funding StatusSeries C
Top InvestorsKorea 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 Founded2011
Founders
Funding Amount$180M
Startup SizeMid-Size Team (51-250)
Last Funding StatusGrant
Top InvestorsGoldman 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 Founded2022
Founders
Funding Amount$50.9M
Startup SizeMid-Size Team (51-250)
Last Funding StatusSeries A
Top InvestorsIMM 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 Founded2015
FoundersJack Lee
Funding Amount$42M
Startup SizeFounding Team (1-10)
Last Funding StatusSeries C
Top InvestorsBayer, 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 Founded2011
Founders
Funding Amount$150M
Startup SizeLarge Team (251-1,000)
Last Funding StatusPrivate Equity
Top InvestorsHashed, 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 Founded1997
Founders
Funding Amount₩29.2B
Startup SizeLarge Team (251-1,000)
Last Funding StatusSeed
Top InvestorsARGES 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 Founded2021
Founders
Funding Amount₩1325B
Startup SizeLarge Team (251-1,000)
Last Funding StatusPrivate Equity
Top InvestorsSaudi 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 Founded2015
FoundersKim Beom-Soo
Funding Amount$139.4M
Startup SizeMid-Size Team (51-250)
Last Funding StatusVenture Round
Top InvestorsTencent, 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 Founded2017
Founders
Funding Amount$1B
Startup SizeLarge Team (251-1,000)
Last Funding StatusCorporate Round
Top InvestorsTPG, 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.

StartupIndustryYear FoundedAmount RaisedLast Funding Round
Recens Medical logo Recens MedicalHealthcare2017₩152BSeries C
JLT logo JLTAutomation2013₩31.1BSeries B
Hancom logo HancomHardware1990₩60BPrivate Equity
LaonPeople logo LaonPeopleAI2010₩30BVenture Round
KoMiCo logo KoMiCoManufacturing2013$2MGrant

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