Best AI Infrastructure Companies in South Korea
The 82 best AI Infrastructure companies in South Korea in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Rebellions.
- Valuates Reports
- MarketsandMarkets
Ranked: Best AI Infrastructure companies in South Korea
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Rebellions Developer of hardware and software solutions for artificial intelligence inference | $211M | 2 mo ago | 87 | 2020 | Shin Sung-ho Co-Founder | 67 patents Patents concentrated in computing, sensing & instrumentation | 5 job openings |
| 2 | DeepX Developer of AI semiconductors, modules, and systems for edge computing applications | $103M | 25 mo ago | 55 | 2018 | Lokwon Kim Founder & CEO | 43 patents AI inference hardware and edge neural processing for image/video acceleration | — |
| 3 | Selectstar AI Providers of platform for AI training solutions | $67M | 6 mo ago | 14 | 2019 | Howook Shin Co-FOunder | — | — |
| 4 | Nota Developer of AI optimization solutions for on-device and edge computing | $63M | 24 mo ago | 95 | 2015 | Tae Kim Co-Founder & CTO | 24 patents AI-driven computer vision and reinforcement learning for transportation safety and embedded devices | 1 launch · 1 partnership · 1 award |
| 5 | SAPEON Plarform for AI processors for data processing | $45M | 33 mo ago | 99 | 2022 | Soojung Ryu CEO | — | — |
| 6 | HyperAccel Developer of AI semiconductors and software for generative AI solutions | $38M | 17 mo ago | — | 2023 | Joo-Young Kim CEO | 6 patents Accelerating large language model inference via specialized hardware memory mapping and cache compression | — |
| 7 | Moreh Developer of large-scale AI infrastructure | $30M | 35 mo ago | 58 | 2020 | Jungho Park Co-Founder | 9 patents Fault‑tolerant distributed computing and AI accelerator orchestration with IR optimization, plus bone‑anchoring devices | 1 job opening |
| 8 | Skelter Labs Platform provider to create conversational AI platforms | $24M | 70 mo ago | 49 | 2015 | Ted Cho Co-Founder & CEO | 16 patents AI-driven dialogue slot extraction, review analysis, user behavior profiling, and chatbot training | — |
| 9 | Sionic AI Provider of AI-powered solutions for multiple industries | $17M | 6 mo ago | — | 2023 | SukHyun Ko CEO | — | — |
| 10 | Mobilint Provider of integrated sensor fusion and deep learning SoC solutions | $15M | 2 mo ago | 32 | 2019 | Dongjoo Shin CEO | 16 patents Edge AI inference acceleration and quantized neural network optimization hardware/software | — |
| 11 | Odd Concepts Provider of image recognition solutions for enterprises | $10M | 74 mo ago | 12 | 2008 | — | 125 patents AI-powered fashion image generation, reconstruction, and recommendation systems | — |
| 12 | Lablup Developer of software providing researchers and engineers access to computing resources | $10M | 38 mo ago | 21 | 2015 | Jonghyun Park Co-Founder | 25 patents Patents concentrated in computing, sensing & instrumentation | — |
| 13 | Furiosa Developer of AI accelerator hardware and software for large language models | $7M | 10 mo ago | 100 | 2017 | June Paik Founder & CEO | — | 1 launch · 1 partnership |
| 14 | CN AI Provider of data management and AI services | $4M | 50 mo ago | 21 | 2021 | Wonseop Lee CEO | — | — |
| 15 | Return Zero Provider of Korean speech recognition engine | $3M | 7 mo ago | 32 | 2018 | Jung Young Co-Founder | 3 patents Speech recognition quality assessment and transcription generation for call audio | — |
| 16 | MediaZen Provider of software solutions for speech recognition and synthesis | $2M | 165 mo ago | 231 | 2000 | — | 60 patents Patents concentrated in electrical & electronics | — |
| 17 | TEN Provider of AI infrastructure and MLOps platform for AI development | $2M | 42 mo ago | 15 | 2020 | Sejin Oh CEO | 29 patents Monetizing AI models and training data through assetization and revenue-sharing mechanisms. | 2 launchs |
| 18 | AI Nation Developer of artificial intelligence solutions for manufacturing, energy, and education | $2M | 44 mo ago | — | 2018 | Jihoon Kwak CEO | — | — |
| 19 | SqueezeBits Developer of AI compression toolkit simplifying application of advanced compression techniques | $2M | 28 mo ago | 12 | 2022 | Hyungjun Kim CEO | 9 patents Efficient AI model compression and hardware acceleration for neural network inference | 1 partnership |
| 20 | Skychips Provider of AI-based chips for applications | $2M | 42 mo ago | 102 | 2019 | Kang Lee Founder & CEO | — | — |
| 21 | eRoun Generative AI security solutions 42AI top 22%Funding top 47%Patents top 48%Innovation top 49% All 8 signals ▾AItop 22% Fundingtop 47% Patentstop 48% Innovationtop 49% Talentbottom 49% Moatbottom 48% Marketbottom 37% Globalbottom 31% AI: Classified as an AI company · Holds AI/ML patents (G06N-family CPC) Funding: Raised $1.4M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 42/100 | $1M | 8 mo ago | — | 2024 | Yoon Sik CEO | — | — |
| 22 | Xbrain Provides automated data science platform | $700K | 104 mo ago | 5 | 2014 | Jinyoung Choi Co-Founder & CEO | — | — |
| 23 | RippleAI AI solutions for tagging, editing, and producing video content | $374K | 96 mo ago | 27 | 2018 | Gunhee Kim Founder & CEO | 3 patents AI-powered accessibility subtitles, image analysis, and live chat integration for streaming media | — |
Top 12 AI Infrastructure companies in South Korea
#1
Series D · Seongnam, Gyeonggi Province · founded 2020 · 87 employees$211.3Mraised▾
Developer of hardware and software solutions for artificial intelligence inference. The company offers AI accelerators, chiplets, interconnects, and software stacks designed for large-scale deployments. Its products are built for power efficiency and performance in applications from LLMs to multi-modal AI. The company provides tools and resources for developers to deploy AI models.
- Mar 2026Series D$400M
- Sep 2025Series C$250M
- Jul 2024Series B$14.4M
- Jan 2024Series B$124M
#2
Series B · Seoul, Seoul · founded 2019 · 14 employees$67Mraised▾
Providers of platform for AI training solutions. It allows users to collect images, voices, videos, and texts from different sources and label and validate the raw data. Its features are object segmentation, line segmentation, classification, transcription, editing, comparison, and other tools for labeling solutions.
- Dec 2025Series B$3.7M
- Aug 2025Series B$14.7M
- Aug 2022Series A$66.7M
- Jul 2019Seed$339K
#3
Series C · Seoul, Seoul · founded 2019 · 32 employees$15.3Mraised▾
Provider of integrated sensor fusion and deep learning SoC solutions. It provides sensor fusion and deep learning systems on a chip technology, which provides accelerated artificial intelligence solutions. Its NPU solutions are optimized for AI tasks.
- Apr 2026Series C$46.3M
- Jan 2024Series B$15.3M
- 2021Series A—
#4
Series A · Seoul, Seoul · founded 2023$17Mraised▾
Provider of AI-powered solutions for multiple industries. It offers solutions including financial services consulting, content writing, and battery technology. It is a SaaS platform that leverages text-based knowledge and user feedback to train AI and generate or analyze information.
- Dec 2025Series A$17M
#5
Series C · Seoul, Seoul · founded 2017 · 100 employees$6.9Mraised▾
Developer of AI accelerator hardware and software for large language models. The company provides AI inference solutions, including a software development kit and support resources. It offers products designed for efficient tensor contraction operations and high data center utilization. The company's products support various deployment scenarios and integration with open-source AI frameworks.
- Jul 2025Series C$125M
- Feb 2025Seed$1.5M
- Nov 2019Seed$6.9M
- Apr 2017Seed—
#6
Acquired · Seoul, Seoul · founded 2018 · 32 employees$3.5Mraised▾
Provider of Korean speech recognition engine. This technology is found only in smart speakers, It collects or processes simple data, to solve problems with APIs.
- Nov 2025Series C$3.5M
#7
Series A · Seoul, Seoul · founded 2023$37.7Mraised▾
Developer of AI semiconductors and software for generative AI solutions. The company provides hardware solutions, including AI-specialized cores and multi-chip scalability. It delivers AI semiconductor products optimized for AI inference, from edge devices to cloud datacenters. The company also develops software platforms supporting LLM inference and model frameworks, facilitating developer tools for LPU kernels and device runtime.
- Dec 2024Series A$37.7M
#8
Seed · Seoul, Seoul · founded 2024$1.4Mraised▾
Generative AI security solutions. The platform supports enterprises use artificial intelligence, including large-scale language models.
- Oct 2025Seed$1.4M
#9
Series C · Seongnam-si, Gyeonggi-do · founded 2018 · 55 employees$102.7Mraised▾
Developer of AI semiconductors, modules, and systems for edge computing applications. It offers AI chips engineered for integration into devices, AI modules with inference capabilities, and AI systems designed for performance and efficiency. The company's solutions cater to smart factories, smart cities, robotics, AI computing, AI networking, and smart cameras, enabling real-time processing and automation across industries.
- May 2024Series C$80.5M
- May 2021Series B$17.7M
- Apr 2021Series A$4.5M
- Feb 2020Seed—
#10
Public · Seoul, Seoul · founded 2015 · 95 employees$63.1Mraised▾
Developer of AI optimization solutions for on-device and edge computing. The company provides tools for AI model compression and optimization across various industries. It offers solutions for applications such as surveillance, industrial safety, and intelligent transportation systems. The company focuses on enabling high-performance AI on diverse devices.
- Jun 2024Series C$21.7M
- Oct 2023Series B$20M
- Apr 2022Series B—
- Dec 2021Series B$14.7M
#11
Series A · Seongnam-si, Gyeonggi-do · founded 2022 · 99 employees$45.4Mraised▾
Plarform for AI processors for data processing. Its product portfolio includes AI chips, AI servers, AI cards, and an integrated hardware and software solution for cloud AI as a service in the data center. It offers solutions for object detection, 5G edge cloud operating, indoor navigation, and image quality enhancement. It caters to the media, healthcare, security, and manufacturing industries.
- Aug 2023Series A$45.4M
- Mar 2023Seed—
#12
Series B · Seoul, Seoul · founded 2020 · 58 employees$30Mraised▾
Developer of large-scale AI infrastructure. It enables users to optimize the life cycle of a hyper-scale AI. It provides AI infrastructure software designed for parallelization and cluster scalability. Its software stack includes AI infrastructure and application services like chips.
- Jul 2023Series B$22M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of AI Infrastructure coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on AI Chips & Accelerators is moving in South Korea
A read on the academic research around AI Chips & Accelerators — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 118 South Korea-affiliated papers.
- Samsung23
- Seoul National University15
- Korea University8
- Korea Advanced Institute of Science and Technology8
- Hanyang University8
- Artificial neural network1→12
- Artificial neural network6
- Resistive random-access memory4
- Non-volatile memory4
- Von Neumann architecture4
- Field-programmable gate array4
- Computer architecture2
- Converters1
- Bottleneck1
- Robustness (evolution)1
- Capacitor1
Where ai accelerators is researched across South Korea
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing ai accelerators patents in South Korea
South Korea ai accelerators patent filing is accelerating — 8,673 filings from 2,902 assignees (2016–2025), led by Samsung, LG Electronics, Electronics & Telecommunications; annual filings 19→2021.
- Samsung2159
- LG Electronics408
- Electronics & Telecommunications301
- Korea Advanced INST SCI & TECH233
- Hyundai200
- Seoul NAT UNIV R&DB Foundation190
- KIA129
- UNIV Korea RES & BUS Found119
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.