The South Korean companies listed here are primarily large firms in electronics manufacturing, automotive, and financial services, alongside several mid-sized technology and entertainment companies. Samsung Electronics, with 287,000 employees, specializes in TVs, smartphones, and medical devices. Hyundai Motor Company produces vehicles and focuses on clean energy, while LG Electronics provides home appliances and digital signage. Toss is a fintech company aiming to innovate financial services, and NAVER Corp offers a search portal, messenger, and AI.
A significant concentration of these mobile app companies, including Hyundai Motor Company, LG Electronics, Toss, Hana Bank, Woori Bank, and KB Kookmin Bank, are headquartered in Seoul. Other major hubs include Seongnam-Si, home to NAVER Corp and Smilegate, and Suwon-Si, where Samsung Electronics is based. The list also features companies like (주)우아한형제들 (Woowa Bros.), founded in 2011, indicating a mix of established corporations and younger technology firms.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Samsung Electronicssamsung.com
A global technology leader, constantly innovating in TVs, smartphones, wearables, appliances, medical devices, and more Embracing diversity and creativity for growth |
287,000 | |||
| 2 |
Hyundai Motor Companyhyundai.com
Global automotive company producing millions of vehicles annually, focusing on clean energy, connected technology, and human-centered mobility solutions. |
66,571 | |||
| 3 |
LG Electronicslg.com
This company provides products and services aimed at improving lives through innovation in home appliances, electronics, digital signage, and more |
64,886 | |||
| 4 |
Samsung Mobilesamsung.com
This company specializes in providing secure and highly productive mobile solutions for enterprises, focusing on Android security and productivity on Samsung Galaxy devices worldwide |
19,596 | |||
| 5 |
NAVER Corpnavercorp.com
A global ICT company offering search portal, messenger, camera app, webtoon, metaverse platform, AI, robotics, and mobility innovations for shared growth |
5,121 | |||
| 6 | 3,240 | ||||
| 7 |
Hana Bankkebhana.com
A leading bank in South Korea with a focus on ESG management, low-carbon finance, and digital innovation to become a global financial group |
1,788 | |||
| 8 |
(주)우아한형제들 (Woowa Bros.)career.woowahan.com
A leading delivery app company revolutionizing food culture by providing fast delivery, online grocery shopping, and door-to-door delivery of various products |
1,656 | |||
| 9 |
LINE Plus Corplinepluscorp.com
A global mobile platform company offering a variety of services like search, messaging, media, commerce, fintech, and AI to create amazing everyday experiences |
1,634 | |||
| 10 |
CJ OLIVE YOUNGcorp.oliveyoung.com
A pioneer in Korean health & beauty retail, offering unique products and trends globally through 1,200 stores and global delivery |
1,631 | |||
| 11 |
NEXON KOREAcompany.nexon.com
Develops and services over 40 online games across various genres in more than 190 countries worldwide, expanding gaming experiences. |
1,579 | |||
| 12 |
SM Entertainmentsmtown.com
A leading South Korean entertainment agency managing over 400 artists, popularizing K-pop stars worldwide through music production, content creation, and global distribution |
1,570 | |||
| 13 |
Woori Bankwooribank.com
This company offers a comprehensive range of commercial banking services including deposits, loans, securities, trust accounts, corporate finance, and more |
1,441 | |||
| 14 |
Smilegatesmilegate.com
In constant pursuit of happier lives and a more hopeful society through the development and provision of quality games and content |
1,303 | |||
| 15 |
KB Kookmin Bank 국민은행kbstar.com
A global financial institution based in Seoul, South Korea, offering a range of personal and corporate banking products and services worldwide |
1,209 | |||
| 16 |
카카오뱅크 Kakaobankkakaobank.com
A bank that started for individuals, now for everyone Changing the way people send, receive, collect, and spend money Offering various job opportunities |
1,148 | |||
| 17 |
카카오페이 (kakaopay)kakaopay.com
Revolutionizing financial services by providing convenient, safe, and diverse offerings, transforming traditional finance into a seamless and effortless experience for all |
1,004 | |||
| 18 |
(주)GS리테일(GS Retail Inc.)gsretail.com
A retail company leading in various sectors such as convenience stores, supermarkets, and online commerce, focusing on customer satisfaction and data-driven business growth |
983 | |||
| 19 |
Mirae Asset Securitiesenglish.securities.miraeasset.com
Mirae Asset Securities is a global investment expert focused on securing successful wealth management and financially secure retirement for clients through innovative market strategies |
979 | |||
| 20 |
Industrial Bank of Koreaibk.co.kr
A state-owned financial institution in South Korea focused on providing services to SMEs and industrial sectors, supporting economic growth |
875 | |||
| 21 |
SK planetskplanet.com
Data & Tech company providing ICT solutions, marketing platforms, and data solutions Specializing in personalized shopping experiences, loyalty programs, and customer data analytics services |
828 | |||
| 22 |
Samsung Life Insurancesamsunglife.com
A leading life insurance company in South Korea, committed to protecting lives and assets, promoting family values, and global growth through innovation and community support |
817 | |||
| 23 |
우리은행wooribank.com
Constantly leading innovation and change in the finance industry in South Korea, presenting a new vision for the future |
815 | |||
| 24 |
카카오모빌리티(Kakaomobility)kakaomobility.com
The company connects people and goods through various transportation services, creating new value by constantly exploring and leading the future of mobility |
718 | |||
| 25 |
Korea Investment & Securities Co., Ltdsecurities.koreainvestment.com
A leading financial company under Korea Investment Holdings, offering diversified services in brokerage, asset management, investment banking, and sales & trading |
709 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 26 |
Gmarketcorp.gmarket.com
Global Marketplace connecting values worldwide, offering innovative shopping experiences with a focus on creating opportunities and a sustainable e-commerce system |
707 | |||
| 27 |
Netmarble Companynetmarble.com
A global game company that develops high-quality games and engages in PC/mobile game publishing business |
664 | |||
| 28 |
케이뱅크(Kbank)kbanknow.com
A financial services company that aims to transform our financial lives with practical solutions, fostering growth opportunities in a creative environment |
654 | |||
| 29 |
11번가 (11STREET)11stcorp.com
We aspire to evolve into a gateway for all things, providing optimal solutions and absolute convenience in the shopping experience for customers |
613 | |||
| 30 |
Karrotabout.daangn.com
Community super app igniting local connections through services like buying/selling goods, job listings, and payment solutions with over 30 million users worldwide |
579 | |||
| 31 |
Jeju Airjejuair.net
A fast-growing Low Cost Carrier in Korea operating Boeing 737-800s with domestic and international destinations, established in 2005 |
579 | |||
| 32 |
Toss Bank(토스뱅크)toss.im
The team aims to establish a new internet bank in South Korea for financial innovation, offering customer-centric services to underserved communities |
575 | |||
| 33 |
CHUNGDAHM Learningcreverse.com
Leading provider of innovative ESL programs in Korea and internationally, focused on critical & creative thinking to enhance language development |
568 | |||
| 34 |
Bucketplace (Ohouse)bucketplace.com
A lifestyle super-app offering interior solutions like e-commerce, home remodeling, furniture delivery, home tasks, and moving services with innovative customer experiences |
567 | |||
| 35 | 561 | ||||
| 36 |
Com2us Corporationcom2us.com
A leading developer and publisher of mobile games since 1998, known for highly recognized titles and exceptional technology across multiple platforms |
559 | |||
| 37 |
CJ Corporationcj.net
Global lifestyle company with divisions in food, biotechnology, logistics, retail, and entertainment promoting health, happiness, convenience worldwide. |
534 | |||
| 38 |
NEOWIZneowiz.com
Dedicated team focused on publishing high-quality games like Brown Dust and DJMAX Respect, prioritizing players and offering innovative experiences globally |
501 | |||
| 39 |
FLITTO Inc.flitto.com
A language data company offering translation services in 25 languages, with a focus on breaking linguistic barriers and serving global clients |
487 | |||
| 40 |
Toss Securitiestoss.im
A service offering a variety of features and products for all types of investors to make planned and stable investments regardless of market conditions |
485 | |||
| 41 |
Nonghyup Bankbanking.nonghyup.com
A banking company headquartered in Seoul, South Korea, providing financial services and solutions to individuals and businesses |
480 | |||
| 42 |
위대한상상(요기요)wesang.com
A platform that connects people with a variety of food options, making it convenient and enjoyable to prepare, share, and savor meals together |
460 | |||
| 43 |
여기어때컴퍼니gccompany.co.kr
A leading comprehensive travel platform expanding into various sectors such as accommodations, flights, activities, dining, and overseas travel, focusing on customer experience and growth |
460 | |||
| 44 |
롯데e커머스 (롯데ON)story.lotteon.com
The company is a leading online shopping platform, part of a large retail conglomerate, focusing on creating a convenient and reliable shopping experience for customers |
451 | |||
| 45 |
Netmarblecompany.netmarble.com
A leading mobile game developer and publisher based in Korea, offering a wide range of popular games to global audiences |
432 | |||
| 46 |
ESTsoft Corp.estsoft.ai
A leading AI-powered service company utilizing artificial intelligence for innovative R&D outcomes in various sectors, providing practical technology for daily life improvements |
404 | |||
| 47 |
카카오스타일 (Kakao Style)career.kakaostyle.com
Kakao Style is a lifestyle platform focusing on discovering individual styles through its style commerce platform, benefiting millions of users globally |
399 | |||
| 48 |
WEMADEwemade.com
A leading game company in South Korea, creating innovative games and leading the way in blockchain technology, NFT, Defi, and metaverse investments |
396 | |||
| 49 |
KineMaster - Video Editorkinemaster.com
Mobile video editing suite with templates and assets for businesses, journalists, influencers, entrepreneurs, and creatives to create professional videos easily on-the-go |
394 | |||
| 50 |
NAVER FINANCIALnaverfincorp.com
Leading in simple payment services, the company is transitioning to become a financial platform, expanding beyond payment services |
377 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
More company lists in South Korea
- The largest companies in South Korea 880
- Multinational companies in South Korea 299
- Companies with in-house R&D in South Korea 229
- Manufacturers in South Korea 172
- Publicly traded companies in South Korea 122
- IT Services and IT Consulting companies in South Korea 112
- Hardware manufacturers in South Korea 98
- Corporate groups and holding companies in South Korea 98
- Education providers in South Korea 88
- Financial services firms in South Korea 73
- Higher Education companies in South Korea 65
- Critical infrastructure operators in South Korea 60
- Retail chains in South Korea 59
- AI companies in South Korea 55
- Computer Games companies in South Korea 53
- Public sector organisations in South Korea 48
- Energy companies in South Korea 47
- Financial Services companies in South Korea 46
- Research institutes in South Korea 43
- Automotive manufacturers and suppliers in South Korea 42
- E-commerce companies in South Korea 42
- Electronics and semiconductor companies in South Korea 38
- Chemical companies in South Korea 29
- SaaS companies in South Korea 28