Company lists · Data refreshed September 2026

Top 23 Cloud AI service providers based in South Korea

RevenueBase identified 82 cloud AI service providers headquartered in South Korea as of September 2026 and tracks 8,895 professional contacts across them, including 951 with verified work emails. Seoul is the largest hub.

This list covers cloud AI service providers headquartered in South Korea, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 14, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 14, 2026 86% judged on-target in blind review
82Companies
8,895Contacts tracked
951Verified emails
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The 23 largest cloud AI service providers based in South Korea

Ranked by team size
Top 23 of 82 cloud AI service providers based in South Korea, ranked by team size, largest first. Data refreshed Sep 14, 2026. RevenueBase Smart Search rates how each company's information relates to cloud AI service providers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceSeoul, South KoreaHQ checked Sep 14, 20265,001-10,0004,637 contacts →

Partial evidence

“LG CNS is a leading global AI service provider specializing in AX (AI Transformation).”

Source: RevenueBase Database · checked Sep 14, 2026
2Indirect evidenceGwacheon-si, South KoreaHQ checked Sep 14, 20261,001-5,000771 contacts →

Indirect evidence

“MSP).”

Source: RevenueBase Database · checked Sep 14, 2026
3Partial evidenceSeoul, South KoreaHQ checked Sep 14, 202651-200113 contacts →

Partial evidence

“Established in April 2017, Crowdworks is South Korea's leading AI tech company, chosen by over 500 companies across various industries, including major domestic ICT enterprises…”

Source: RevenueBase Database · checked Sep 14, 2026
4Partial evidenceSeoul, South KoreaHQ checked Sep 14, 202651-20092 contacts →

Partial evidence

“MakinaRocks builds Physical AI that operates in the harshest, most unpredictable environments, from factory floors to the frontlines.”

Source: RevenueBase Database · checked Sep 14, 2026
5Indirect evidence서울특별시, South KoreaHQ checked Sep 14, 202611-5057 contacts →

Indirect evidence

“World Simulation, DALPHA ()] 2023 'Cobra World Model'.”

Source: RevenueBase Database · checked Sep 14, 2026
6Partial evidenceSeongnam-si, South KoreaHQ checked Sep 14, 202651-20056 contacts →

Partial evidence

“S2W is an AI-powered Data Intelligence company.”

Source: RevenueBase Database · checked Sep 14, 2026
7Indirect evidence서울특별시, South KoreaHQ checked Sep 14, 202651-20039 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 14, 2026
8Partial evidenceSeoul, South KoreaHQ checked Sep 14, 202651-20036 contacts →

Partial evidence

AI AI Agent, SaaS On-Premise AgentaaS(Agent-as-a-Service), AI.”

Source: RevenueBase Database · checked Sep 14, 2026
9Partial evidenceSeoul, South KoreaHQ checked Sep 14, 202651-20032 contacts →

Partial evidence

AI.”

Source: RevenueBase Database · checked Sep 14, 2026
10Partial evidence유성구, South KoreaHQ checked Sep 14, 202651-20030 contacts →

Partial evidence

AI, AI, MLOps ‘ (datamaker synapse)’ AI AI, AI AI.”

Source: RevenueBase Database · checked Sep 14, 2026
11Partial evidenceSeoul, South KoreaHQ checked Sep 14, 202611-5030 contacts →

Partial evidence

AI for everyone”

Source: RevenueBase Database · checked Sep 14, 2026
12Partial evidence서초구, South KoreaHQ checked Sep 14, 202611-5029 contacts →

Partial evidence

“LLSOLLU is an AI solution company with voice recognition, machine translation, and natural language processing technology that can combine big data and artificial intelligence…”

Source: RevenueBase Database · checked Sep 14, 2026
13Indirect evidenceGuro-gu, South KoreaHQ checked Sep 14, 202611-5025 contacts →

Indirect evidence

“Data-driven Custom Artificial Intelligence" Founded in 2014 in Seoul, Korea, and later expanding establishments to various countries such as Singapore, Luxembourg, Data Design…”

Source: RevenueBase Database · checked Sep 14, 2026
14Partial evidence서울특별시, South KoreaHQ checked Sep 14, 202651-20025 contacts →

Partial evidence

“2015 (Data Tech).'AI (AI Ready Data)', ·, ·.”

Source: RevenueBase Database · checked Sep 14, 2026
15Indirect evidenceSeoul, South KoreaHQ checked Sep 14, 202611-5021 contacts →

Indirect evidence

“NLP(), ML().”

Source: RevenueBase Database · checked Sep 14, 2026
16Partial evidenceSeoul, South KoreaHQ checked Sep 14, 202651-20019 contacts →

Partial evidence

“Return Zero team members are AI practitioners' who develops actual value-adding service based on AI technology.”

Source: RevenueBase Database · checked Sep 14, 2026
17Partial evidenceSeoul, South KoreaHQ checked Sep 14, 202611-5011 contacts →

Partial evidence

“OSC Korea, AI.(DevOps)(MSA) AI.(O),(S),(C) AI.”

Source: RevenueBase Database · checked Sep 14, 2026
18Partial evidenceSeoul, South KoreaHQ checked Sep 14, 20261-105 contacts →

Partial evidence

“At Panomix, we take a panoramic view of your business challenge & deliver end-to-end AI solutions.”

Source: RevenueBase Database · checked Sep 14, 2026
19Indirect evidenceSouth KoreaHQ checked Sep 14, 202651-2005 contacts →

Indirect evidence

“End-to-End.”

Source: RevenueBase Database · checked Sep 14, 2026
20Strong evidenceYeongdeungpo-gu, South KoreaHQ checked Sep 14, 202611-504 contacts →

Strong evidence

Ai, cloud, bigdata”

Source: RevenueBase Database · checked Sep 14, 2026
21Partial evidenceSeoul, South KoreaHQ checked Sep 14, 202611-503 contacts →

Partial evidence

“Artifical Intelligence Solution and Service Provider LLM Builder and AI-Agent Workflow Engine for Busimess Defense-AI, Commece-AI, Business-Intelligence”

Source: RevenueBase Database · checked Sep 14, 2026
22Partial evidenceSeoul, South KoreaHQ checked Sep 14, 20261-103 contacts →

Partial evidence

“RAGtacts AI, B2B./ AI API SDK.”

Source: RevenueBase Database · checked Sep 14, 2026
23Partial evidenceSeoul, South KoreaHQ checked Sep 14, 20261-102 contacts →

Partial evidence

“HodooAI is a AI software company that provides deep learning solutions for both computer vision and data analytics.”

Source: RevenueBase Database · checked Sep 14, 2026

Showing 23 of 82 cloud AI service providers based in South Korea

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Cloud AI service providers based in South Korea at a glance

As of Sep 14, 2026
10.7%Verified-email coverage
108.5Average contacts per company
11-50Median size (employees)
46.3%Largest-city concentration · Seoul
Sep 14, 2026Page data refreshed

Companies by employee count

1-10
17
11-50
34
51-200
17
201-500
7
501-1,000
3
1,001-5,000
3
5,001-10,000
1

Email recency for this list is measured worldwide rather than for South Korea, so it is reported there. Company counts and contact totals on this page are exact for South Korea, over 82 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among cloud AI service providers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in South Korea whose own description of what they do matches “cloud AI service providers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names cloud AI service providers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among cloud AI service providers, and records with no verified work email. Companies headquartered outside South Korea are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 951 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 14, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Cloud AI service providers by metro

  • Cloud AI service providers in Seoul38

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names cloud AI service providers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many cloud AI service providers are there based in South Korea?

RevenueBase identified 82 cloud AI service providers headquartered in South Korea as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

LG CNS, headquartered in Seoul Seoul, tops this list with the largest team on record.

Which city has the most cloud AI service providers?

Seoul leads with 38 headquartered companies, followed by Gwacheon-Si (2) and Seongnam-Si (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 951 verified decision-maker contacts tracked across these 82 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 14, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.