KT Cloud
Category: AI Infrastructure
KT Corporation's cloud and data center subsidiary. It provides public and private cloud, GPU-as-a-Service and high-density AI data center (AIDC) infrastructure in South Korea. KT Cloud was founded in 2022. The company is led by Kim Bong-kyun (김봉균). Based in Seoul, South Korea. Team size: 500+. Total funding raised: $451M. Latest round: Private Equity. Key investors include IMM Credit & Solutions (IMM PE affiliate), KT Corporation (parent).
- Founded
- 2022
- Headquarters
- Seoul, South Korea
- Team size
- 500+
- Total funding
- $451M
Value proposition
Korea-based sovereign cloud and AI data center infrastructure. It offers high-density power, liquid cooling and NVIDIA GPU capacity for AI training and inference. Its target is 1GW of added AIDC capacity by 2031.
Products and solutions
Public cloud (IaaS/PaaS), private and hybrid cloud, GPUaaS with NVIDIA H100/H200, IDC/colocation and AI data centers (Gasan AIDC with liquid cooling, Ansan 50MW AIDC under construction for 2029, Gyeongbuk AI Cloud DC in Yecheon), Secure Public Cloud sovereign cloud with Microsoft, data center design-build-operate (DBO) services such as Gunsan AIDC
Unique value
Largest Korean IDC footprint (about 160MW) of any telecom-backed provider. It has liquid-cooling-ready, high-load AIDC designs for next-generation GPUs such as NVIDIA Vera Rubin, and a sovereign cloud built with Microsoft.
Target customer
Large enterprises, public sector and government agencies, financial institutions, AI startups, and hyperscalers or tenants that need colocation and GPU capacity in Korea
Industries served
Public sector, finance, enterprise IT, AI/ML, media, and telecom
Technology advantage
Backing from KT Group, with its network and power infrastructure. It has long data center construction and operating experience and liquid-cooling capability. Its capacity roadmap goes from about 160MW to about 1.16GW by 2031, and it holds public-sector CSAP certification.
How they differentiate
It competes with Naver Cloud mainly on IDC and colocation scale and on liquid-cooled high-density AIDC. Against global CSPs it competes on data sovereignty and public-sector certification.
Main competitors
Naver Cloud, NHN Cloud, AWS (Korea region)
Key partnerships
Microsoft (Secure Public Cloud sovereign cloud with KT), NVIDIA (H100/H200 GPUaaS), Gyeongsangbuk-do (Korea's first public-private AI cloud data center), Gunsan/Jeonbuk AIDC DBO project
Notable customers
VISION (Korean imported-car dealership group; BizOffice customer)
Major milestones
2022-04: spun off from KT. 2023-05: raised KRW 600B from IMM Credit & Solutions at a valuation of about KRW 4.6T. 2025: opened the Gasan liquid-cooled AIDC and the Gyeongbuk AI Cloud DC, and added H200 to GPUaaS. 2026-04: Kim Bong-kyun appointed CEO. 2026-09: announced 1GW AIDC expansion by 2031. 2026-10: began construction of the 50MW Ansan AIDC, targeting completion in 2029.
Growth metrics
2025 revenue was KRW 997.5B, up 27.4% YoY from KRW 779.2B. Q4 2025 revenue was KRW 277.9B. Operating margin was about 6.6%. There were 724 employees as of September 2026. The 2023 round implied a valuation of about KRW 4.6T.
Market positioning
Among Korea's top two domestic CSPs and IDC operators, with about 20% IaaS share behind AWS. It is contesting first place in IDC against Naver Cloud. Parent KT is reviewing a possible re-merger.
Geographic focus
South Korea (Seoul metropolitan area and regional AIDCs)
Patents and IP
KT's 2025 annual report discloses four Korean patents and one copyright for KT Cloud: building-mounted heat exchange system (10-2583084-00-00); data center power equipment recovery method (10-2788575); data center cooling equipment failure recovery system (10-2846510-0000); outdoor-air cooling system for data centers (10-2866265-0000); Flying Cube copyright (C-2020-022927-2).
About Kim Bong-kyun (김봉균)
KT Vice President and Head of the Enterprise Division (held concurrently with the KT Cloud CEO role from April 2026); led KT Engineering in 2025; Head of KT's Busan-Gyeongnam regional headquarters in 2022; Head of KT Enterprise Strategy in 2021. Born 1972. Chairman of the Korea Association of Cloud Industry (KACI) since April 2026.
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Official website: https://www.ktcloud.com