Who owns Ameba?
Ameba is owned by CyberAgent (Japan, TSE: 4751).[1]
This ownership is reported in official statements but has not yet been matched to a regulatory filing.
Evidence: History - CyberAgent, Inc.. Last checked .
Key facts
- Current owner
- CyberAgent, Inc. reported
- Owner HQ
- 🇯🇵 Japan, Tokyo
- Origin
- 🇯🇵 Japan
- Founded
- 2004
- Category
- Internet & digital › Digital services › Digital publishing
- Parent ticker
- TSE: 4751
- Last verified
- · 1 sources
About Ameba
Ameba is a blogging service that CyberAgent launched in September 2004. CyberAgent states that it has become Japan's largest blogging service, and describes launching it as its entry into the media business, which it saw as a highly profitable business model. The Ameba brand logo was changed together with the CyberAgent corporate logo in April 2015. Ameba is the group's longest-running media service.
Ownership timeline of Ameba
- Current owner CyberAgent [1] reported
Where Ameba sits in CyberAgent
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full CyberAgent ownership tree →
See the full CyberAgent brand portfolio (6) →
Other brands owned by CyberAgent
CyberAgent controls 6 brands on Brandtree, 4 of them in internet & digital.
Also in internet & digital
Other brands in digital publishing, and who owns them
The 36 brands in digital publishing on Brandtree belong to 20 owners. The largest is Astro, with 4.
| Brand | Owner | Owner based in |
|---|---|---|
| Astro Ulagam | Astro | 🇲🇾 Malaysia |
| Research Exchange | Wiley | 🇺🇸 United States |
| Engadget | Apollo | 🇺🇸 United States |
| Allrecipes | IAC | 🇺🇸 United States |
| Bossip | Urban One | 🇺🇸 United States |
| Audible | Amazon | 🇺🇸 United States |
| BOOK☆WALKER | Kadokawa | 🇯🇵 Japan |
| NAVER Blog | NAVER | 🇰🇷 South Korea |
About the owner: CyberAgent
CyberAgent is a publicly listed company headquartered in Tokyo, Japan, founded in 1998. Brandtree records 6 brands under its control, and it is listed as TSE: 4751.
CyberAgent is a Tokyo-based internet company founded on 18 March 1998 and listed on the Tokyo Stock Exchange since 2000; its head office is in Abema Towers, Shibuya. Its business portfolio is Media & IP, internet advertising, games and investment development. The group operates the ABEMA streaming service and the Ameba blogging service, makes mobile games through subsidiaries such as Cygames, and has added production companies such as Nelke Planning and Nitroplus. Makuake, FC Machida Zelvia and other group companies are not listed because the documents read give no ownership percentage.
🇯🇵 Ameba and other Japanese brands
Brandtree records a controlling owner for 437 brands that began in Japan. 21 of them (5%) are now controlled by a company headquartered in another country; Ameba is not one of them.
- Acquire — Kadokawa 🇯🇵
- Animal Crossing — Nintendo 🇯🇵
- Dragon Quest — Square Enix 🇯🇵
- Elden Ring — Bandai Namco 🇯🇵
- Ikyu.com — LY Corporation 🇯🇵
- Jikkyou Pawafuru Puroyakyu — Konami 🇯🇵
Frequently asked questions
Who is the parent company of Ameba?
The parent company of Ameba is CyberAgent, a publicly listed company headquartered in Japan.
Is Ameba Japanese?
Yes. Ameba originated in Japan in 2004 and its owner, CyberAgent, is also headquartered in Japan.
Is Ameba still owned by CyberAgent?
Yes. As of 4 October 2026, Ameba is still owned by CyberAgent. The ownership record was last checked against primary sources on that date.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] History - CyberAgent, Inc. — CyberAgent, Inc., Official document; retrieved 4 October 2026.
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