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Okestro

Category: AI Infrastructure

South Korea's leading cloud software and AI infrastructure company, providing end-to-end cloud solutions including virtualization, cloud management, and AI inference platforms. Okestro was founded in 2018. The company is led by Kim Beomjae (김범재), Kim Young-gwang (김영광). Based in Seoul, South Korea. Team size: 501-1000. Total funding raised: $114.5M. Latest round: Series C. Key investors include Stick Investment (스틱인베스트먼트); IMM Investment (IMM인베스트먼트); KDB Industrial Bank of Korea (산업은행); IBK Industrial Bank (기업은행).

Founded
2018
Headquarters
Seoul, South Korea
Team size
501-1000
Total funding
$114.5M

Value proposition

End-to-end cloud software stack (IaaS/PaaS/CMP) with AI-native inference operations platform (Concerto AI) that supports heterogeneous accelerators (GPU/NPU) and delivers 2.2x faster token output through distributed serving optimization.

Products and solutions

CONTRABASS (server virtualization); VIOLA PaaS (Kubernetes-based cloud-native platform); OKESTRO CMP (multi-hybrid cloud management platform); TROMBONE (DevOps platform); SYMPHONY A.I. (AI cloud optimization); CLARINET (private conversational AI); CONCERTO A.I. (AI inference operations platform launched May 2026)

Unique value

Only Korean commercial-grade AI inference platform supporting both GPU and domestic NPU (Rebellions, FuriosaAI) accelerators; VMware alternative leader in Korea with 7x win-back growth; full-stack cloud software provider with 100% domestic technology

Target customer

Enterprise and public sector organizations including government agencies, financial institutions, telecom companies, and manufacturing firms in South Korea and Japan

Industries served

Public sector/government, financial services, telecommunications, manufacturing, healthcare, defense

Technology advantage

End-to-end cloud software stack built entirely in-house; OpenInfra Platinum Member (only Korean company); CNCF Silver Member; heterogeneous accelerator support (GPU+NPU); distributed serving with KV Cache optimization; real-time intelligent routing for inference workloads

How they differentiate

Only Korean company offering a full end-to-end cloud software stack (IaaS/PaaS/CMP) with domestic technology; positioned as VMware alternative amid Broadcom acquisition backlash; unique heterogeneous accelerator support for AI inference (GPU + Korean NPU); OpenInfra Platinum Member driving open-source cloud standards

Main competitors

VMware (by Broadcom); Cloudike (클라우다이크); Innogrid (이노그리드); KT Cloud (케이티클라우드)

Key partnerships

Rebellions (NPU); Upstage (AI models); FuriosaAI (NPU); OpenInfra Foundation (Platinum Member); CNCF (Silver Member); Linux Foundation; Canonical (Ubuntu official partner); Oracle Korea; ETRI; Monitorapp; Gwangju Metropolitan City

Notable customers

Samsung Group; Hana Financial Group; National Information Resources Service (국가정보자원관리원); National Defense Integrated Data Center; National Pension Service; Korea Local Information Development Institute; multiple central government agencies and financial institutions

Major milestones

2018: Founded; 2022: Series A ₩22B from IMM Investment; 2023: Series B ₩130B (valuation ₩630B), preliminary unicorn selection; 2024: Revenue ₩74.6B, acquired Data Command (migration/DR); 2025: Revenue ₩94.7B, entered Japan market, appointed Kim Beomjae as co-CEO, CONTRABASS win-back revenue surpassed ₩10B; 2026: Launched CONCERTO A.I. inference platform, won ₩11.25B national AI semiconductor cloud R&D project, Pre-C funding targeting ₩60B at ₩1T+ valuation

Growth metrics

2025 revenue: ₩94.7B (~$72M), 27.1% YoY growth; 2024 revenue: ₩74.6B (~$57M), 44.9% YoY growth; 534 employees (April 2026); cumulative investment ₩150B+; enterprise value ₩630B (2023) targeting ₩1T+ (2025 Pre-C)

Market positioning

Leading Korean cloud software company positioning as 'Korea's Red Hat' and 'Korea's Oracle'; pre-unicorn with ~$1B+ valuation in Pre-C round; dominant in Korean public sector cloud with expanding enterprise and financial services footprint

Geographic focus

South Korea (primary), Japan (entered July 2025), expanding to global markets

Patents and IP

55+ patents registered (as of early 2025); 22 domestic patents, 9 international patent applications

About Kim Beomjae (김범재), Kim Young-gwang (김영광)

Kim Beomjae: Ex-HP Korea Public Sector Director, SAP Korea VP, BI Matrix CEO; Seoul National University (German Language & Literature), Yonsei University (MS Engineering), Soongsil University (PhD Computer Science). Kim Young-gwang: Co-founder, joined Okestro as university junior; Yonsei University (Political Science & Diplomacy).

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