This selection of Japanese media companies and publishers includes large, established groups alongside younger technology-focused firms. Sony creates technology and entertainment, while Recruit Group connects individuals and businesses through HR and promotional media. Nikkei is known for business news, and CyberAgent focuses on internet advertising and games. NHK is Japan's public broadcaster, and DMM.com Group offers diverse services from video streaming to solar energy.
The companies are predominantly headquartered in Tokyo and its wards, such as Shibuya-ku and Chiyoda-ku. The list shows a mix of traditional publishing and broadcasting with modern internet services, gaming, and IT consulting, reflecting a broad media landscape in Japan. Several companies, like CyberAgent and DMM.com Group, were founded in 1998, indicating a period of growth for internet-based businesses.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 24,935 | ||||
| 2 |
LY Corporationlycorp.co.jp
A leading tech organization in Japan offering diverse services such as search, e-commerce, communication, and advertising to create amazing user experiences |
2,420 | |||
| 3 |
Recruit Grouprecruit-holdings.com
This company connects individuals and businesses by offering a variety of choices in recruitment, HR services, and promotional media |
2,144 | |||
| 4 |
CyberAgent, Inc.cyberagent.co.jp
A pioneering internet company founded in 1998, focusing on media, internet advertising, games, and investment development to become the leading company of the 21st century |
1,839 | |||
| 5 |
Nikkeinikkei.co.jp
Renowned for quality journalism, providing trusted business news and information Acquired the Financial Times in 2015, reaching a combined readership of 4 million globally |
1,692 | |||
| 6 |
NHK, Japan Broadcasting Corporationnhk.or.jp
This company is Japan's public broadcaster, providing radio and television services independently funded by receiving fees from households with television sets |
1,684 | |||
| 7 |
DMM.com Groupdmm.com
A diverse Group founded in 1998, providing video streaming, FX, Eikaiwa, Games, solar energy, 3D printers, and more to 29 million members Also involved in aquarium and football club business development |
874 | |||
| 8 |
The Asahi Shimbun Companyasahi.com
A Japanese media company fulfilling its duty as a news and media organization while aiming to create and provide new value |
622 | |||
| 9 |
Nikkei Business Publicationsnikkeibp.co.jp
A company based in Tokyo, Japan, focused on providing services or products related to the address mentioned in Minato-ku, Toranomon |
588 | |||
| 10 |
SQUARE ENIX CO., LTD.(Japan) 株式会社スクウェア・エニックスjp.square-enix.com
A leading entertainment company creating innovative content such as "Dragon Quest," "Final Fantasy," and "Space Invaders" for global distribution |
573 | |||
| 11 |
KADOKAWA Corporationgroup.kadokawa.co.jp
A comprehensive entertainment entity involved in publishing, video, games, web services, education, and IP creation for global expansion through digital transformation |
538 | |||
| 12 |
SmartNewscareers.smartnews.com
A global leader in news discovery, using machine-learning technology and editorial expertise to deliver accurate, timely information from 3,000+ publishing partners worldwide |
498 | |||
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. | |||||
| 13 | 438 | ||||
| 14 |
Nikkei Asiaasia.nikkei.com
Provider of news and insights on influential companies in Asia, with a focus on politics, economy, markets, and trends from a uniquely Asian perspective |
436 | |||
| 15 |
GLOBIS Corporationglobis.com
Empowering leaders to drive societal innovation through MBA programs, corporate training, venture capital, online learning, and publications Helping professionals upskill and find purpose |
401 | |||
| 16 |
TV Asahitv-asahi.co.jp
A leading Japanese content company with popular TV programs, global partnerships, digital distribution, internet services, and special events attracting millions of visitors |
355 | |||
| 17 |
POPSpopsww.com
Southeast Asian digital entertainment company providing music, kids' edutainment, and general media via app stores, top digital platforms, concerts, and live events. |
327 | |||
| 18 |
Mynavi Corporationmynavi.jp
Provides job placement, recruitment websites, and lifestyle media services supporting diverse individual potentials and future career envisioning. |
326 | |||
| 19 |
NEO CAREER Co.,LTD.neo-career.co.jp
The company provides services to support client growth in a changing labor market, focusing on innovation, technology, and individual futures |
313 | |||
| 20 |
Tokyo Broadcasting System Television, Inc.tbs.co.jp
A leading commercial TV network in Japan, producing popular dramas, variety shows, news, and live sports broadcast worldwide with global acclaim |
309 | |||
| 21 |
Dwango corpdwango.co.jp
A platform for sharing videos and live streaming, offering a wide range of content including music, anime, gaming, and entertainment |
223 | |||
| 22 |
mybest, Inc.my-best.com
The company runs a media website focused on simplifying and improving the process of selecting products online by showcasing only top-quality items |
219 | |||
| 23 |
Bengo4.com,Inc.bengo4.com
The company provides a variety of legal services through portals like law, tax, and business lawyer sites, as well as a digital contract management platform |
202 | |||
| 24 |
Active Gaming Mediaactivegamingmedia.com
AGM specializes in publishing and supporting digital content for European, American, and Asian markets, with a focus on indie games, anime, and manga |
186 | |||
| 25 |
MATCHAcompany.matcha-jp.com
An inbound media company showcasing the charms of Japan to the world, preserving valuable culture for future generations |
43 | |||
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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.
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- Publicly traded companies in Japan 209
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- Hardware manufacturers in Japan 142
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