Company lists · Data refreshed September 2026

Top 20 Big international law firms based in South Korea

RevenueBase identified 69 company matches for big international law firms associated with South Korea as of September 2026 and tracks 4,274 professional contacts across them, including 524 with verified work emails. Seoul is the largest hub.

This list covers company matches for big international law firms associated with South Korea, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 21, 2026 How this list was built
69Companies
4,274Contacts tracked
524Verified emails
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The 20 largest big international law firms based in South Korea

Ranked by team size
Top 20 of 69 company matches for big international law firms based in South Korea, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSajik-ro 8-gil, South KoreaHQ recorded Sep 21, 20261,001-5,0001,451 contacts →

Exact match

“Kim & Chang is a globally recognized law firm based in Korea.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchSeoul, South KoreaHQ recorded Sep 21, 20261,001-5,000467 contacts →

Exact match

“Established in 1980, BKL is a leading full-service law firm in Korea.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchNamdaemun-ro 63, South KoreaHQ recorded Sep 21, 20261,001-5,000437 contacts →

Exact match

“Following its establishment in 1977, Lee & Ko has become one of Korea’s premier full-service law firms, widely recognized for its leadership and outstanding success in every area…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchSeoul, South KoreaHQ recorded Sep 21, 2026501-1,000422 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchSeoul, South KoreaHQ recorded Sep 21, 2026501-1,000341 contacts →

Exact match

“Yulchon LLC was founded in 1997 following the meaning of Yulchon: “Lawyer’s Village”-Top legal experts come together and combine their talents to create a village of lawyers.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchSeoul, South KoreaHQ recorded Sep 21, 2026501-1,000191 contacts →

Exact match

“Established in 1989, Yoon & Yang LLC is one of Korea’s premier full-service law firms, providing comprehensive legal solutions to clients around the world in all areas of legal…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact match서울시, South KoreaHQ recorded Sep 21, 2026501-1,000184 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchSeoul, South KoreaHQ recorded Sep 21, 2026201-50089 contacts →

Exact match

“Lee International was founded in 1961 as one of the first intellectual property law practices in Korea.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchSeoul, South KoreaHQ recorded Sep 21, 2026201-50076 contacts →

Exact match

“DR & AJU LLC has attained prominent standing through a legacy of rigorously protecting the rights and interests of our clients, advocating on their behalf as professionals…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchSeoul, South KoreaHQ recorded Sep 21, 202651-20057 contacts →

Exact match

“THEWAVE IP Law Firm is located in Seoul, South Korea and offers specialized services in the fields of Patents, Trademarks, Designs, Copyrights, Infringement Actions, Litigation…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchSeoul, South KoreaHQ recorded Sep 21, 202651-20033 contacts →

Exact match

“Founded in 1993, HMP Law is one of South Korea’s leading full-service law firms, widely recognized for its deep expertise and commitment to excellence.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchSeoul, South KoreaHQ recorded Sep 21, 2026201-50028 contacts →

Exact match

“YOU ME is one of the largest International IP firms in Korea, serving the needs of corporations, governments, research centers, and individual clients around the world.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchSeoul, South KoreaHQ recorded Sep 21, 202651-20020 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchJongno-gu, South KoreaHQ recorded Sep 21, 202611-5015 contacts →

Exact match

“KL Partners was established in November 2015 by a team of legal professionals dedicated to providing the highest quality legal services to both domestic and international clients…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchSeoul, South KoreaHQ recorded Sep 21, 202651-20012 contacts →

Exact match

“Our Globally-Experienced - Locally-Connected attorneys and business professionals are intentionally different from the crowd.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact match강남구, South KoreaHQ recorded Sep 21, 202611-5012 contacts →

Exact match

“OhKims Law is built on a foundation of delivering high-quality, value-added service to clients at all stages of the business life cycle, from start-ups to industry leaders.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchSeoul, South KoreaHQ recorded Sep 21, 202651-20011 contacts →

Exact match

“One Law Partners, LLC was founded in January 2009 by a group of lawyers with the objective of providing premier legal services to clients.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchSeoul, South KoreaHQ recorded Sep 21, 202611-5010 contacts →

Exact match

“Kim & Kim (MEA Law Firm) was established through the merger of two law firms, between MEA and Jieum.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchSeoul, South KoreaHQ recorded Sep 21, 202611-506 contacts →

Exact match

“Based in Seoul, we offer superior service to clients seeking intellectual property protection.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchSeocho-gu, South KoreaHQ recorded Sep 21, 202611-501 contacts →

Exact match

“YOU IN LAW located in Seoul, South Korea is a leading innovator in the Asian legal fields.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 20 of 69 big international law firms based in South Korea

See the full list, filter by size, metro and specialty, and access 524 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Big international law firms based in South Korea at a glance

As of Sep 21, 2026
12.3%Verified-email coverage
61.9Average contacts per company
51-200Median size (employees)
72.5%Largest-city concentration · Seoul
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
14
11-50
19
51-200
22
201-500
7
501-1,000
4
1,001-5,000
3

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 69 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with South Korea whose business descriptions match “big international law firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 524 professional contacts with verified work emails across the full matched dataset. 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 21, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Big international law firms by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “big international law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many big international law firms are there based in South Korea?

RevenueBase identified 69 company matches for big international law firms associated with South Korea as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

KIM & Chang tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most big international law firms?

Seoul leads with 50 company records, followed by Busan (2) and Seoul Seoul (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 524 professional contacts with verified work emails tracked across these 69 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 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 SmartSearch, 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.