Best IT Services Companies in Seoul, South Korea
The 94 best IT Services companies in Seoul, South Korea in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: LG CNS.
Ranked: Best IT Services companies in Seoul
| # | Company | Last round | Disclosed funding | Tech stack | Employees | Founder | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3RDEYESYS Provider of IT suite and consulting solutions | — | — | — | — | WonJin Chang CEO | — | — | — |
| 2 | AdenaSoft Provider of IT services suite solutions | — | — | styled-componentsReactEmotion+11 | 125 | — | Top 50M | — | — |
| 3 | Amass Provider of artificial intelligences, big data analytics, and other IT services | — | — | WixSentryUIKit+13 | — | Won Park CEO | Top 50M | 9 patents Automotive parts valuation, billing verification, and image-based scrap analysis services. | — |
| 4 | Arttnt Provider of web development services | — | — | — | — | Jeon Byeong-hyeon Founder | — | — | — |
| 5 | asiana idt Asiana IDT is an ICT service provider company. | — | — | Node.jsVideoJSGSAP+7 | 419 | — | Top 10M | 132 patents Industrial piston monitoring sensors and ML model performance evaluation systems | — |
| 6 | Athenasoft Provider of IT service suite solutions | — | — | — | 20 | — | — | — | — |
| 7 | Batns Provider of web development services | — | — | — | — | Jinhyung Geum CEO | — | — | — |
| 8 | Big Insight Provider of AI, data analysis, consulting, and other services | — | — | — | 55 | — | — | — | — |
Top 12 IT Services companies in Seoul
#1
Series A · Seoul, Seoul · founded 2017 · 59 employees$39.3Mraised▾
AI-based platform offering software solutions . It is focused on developing innovative services that blend advanced technology with user-centric design. The video editor that simplifies video editing to the ease of document editing, enabling users to create videos efficiently.
- Oct 2024Series A$12.3M
- Jun 2021Series A$27M
#2
Series A · Seoul, Seoul · founded 2021 · 18 employees$1.6Mraised▾
Developer of a web-based fraud prevention platform designed to provide free website development services. The company's platform specializes in providing various tools to build a website and fraudulent click prevention, enabling users to use advertising or log services, real-time consultation and choose from various templates to create their own web page.
- Jun 2025Series A$1.6M
#3
Series B · Seoul, Seoul · founded 2019$34.1Mraised▾
Provider of IT service suite solutions
- Jul 2024Series B$14.5M
- Jul 2020Series A$19.6M
#4
Series C · Seoul, Seoul · founded 2018 · 1400 employees$514.9Mraised▾
Provider of cloud computing services. It specializes in Amazon Web Services cloud and its offerings include architectural consulting, deployment and managed services.
- Aug 2022Series C$343M
- Dec 2020Series B$126.9M
- Mar 2019Series A$45M
#5
Public · Seoul, Seoul · founded 1987 · 6175 employees$959.3Mraised▾
Provider of IT consulting, cloud, analytics, security, and RPA services
#6
Series D · Seoul, Seoul · founded 2015 · 1100 employees$280Mraised▾
Provider of big data, cloud consulting, IT operations, security, and managed services
- Dec 2022Series D$100M
- May 2020Series C$75M
- Jan 2018Series B$27M
- Jul 2017Series A$15M
#7
Series A · Seoul, Seoul · founded 2015 · 400 employees$7.5Mraised▾
Provider of AI, operation, support, and marketing services
- May 2023Series A$7.5M
#8
Series A · Seoul, Seoul · founded 2017 · 29 employees$6.1Mraised▾
Provider of analytics services
- Jan 2023Series A$3.6M
- May 2021Seed$2.5M
#9
Series B · Seoul, Seoul · founded 2012 · 24 employees$5.2Mraised▾
Provider of multiple application development services
- Oct 2022Series B$4.2M
- Oct 2015Seed$1M
#10
Series A · Seoul, Seoul · founded 2012 · 72 employees$6.9Mraised▾
Provider of bulk traffic control services intended to protect servers from large amounts of traffic. The company's software is a combination of network and funnel that minimizes operational costs and optimizes cloud resources, enabling users to control their transactions on a real-time basis to ensure seamless service performance and response time.
- Aug 2022Series A$6.9M
#11
Seed · Seoul, Seoul · founded 2020 · 15 employees$2.3Mraised▾
Provider of AI infrastructure and MLOps platform for AI development. The platform streamlines artificial intelligence development and operations. It offers tools and environments designed to simplify AI implementation. The platform supports model learning, resource management, and workload management. It also facilitates service creation, management, and resource allocation.
- Dec 2022Seed$2.3M
#12
Series A · Seoul, Seoul · founded 2015 · 64 employees$10.6Mraised▾
Provides house cleaning services
- Sep 2018Series A$8M
- Dec 2016Seed$2.6M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of IT Services coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.