Overview

Sega is a Japanese video game company headquartered in Shinagawa City, Tokyo, founded in 1960. It employs an estimated 1,000 to 5,000 people with an estimated revenue band of $1 to 5 billion, and operates as a subsidiary of Sega Sammy Holdings. The company develops and sells game content across consoles, PCs, mobile devices, and arcade machines. In August 2026 it established a local subsidiary in Shanghai, China, SEGA (Shanghai) Entertainment Technology Co., Ltd. Its industries include entertainment, electronics and software, and consumer goods.

At a glance

What Sega makes

Sega's products span action, adventure, RPG, and sports games for multiple platforms, and the company also manages and develops arcade game machines.

Products and capabilities described on the company's own site include Assembly (source: sega.co.jp).

Trade and customs footprint

Sega opened a Shanghai subsidiary, SEGA (Shanghai) Entertainment Technology Co., Ltd., on August 3, 2026, according to its own announcement. US customs bill-of-lading records list 399 inbound shipments across 47 foreign suppliers, with top origins including United Kingdom · South Korea · Taiwan · China.

Latest developments

• 2026-09-15 — セガ，オウンドメディア「SEGAWAY」を開設。ジェンスン・フアン氏の来日イベントについて，関係者インタビューを公開 (4gamer.net)

• 2026-08-03 — セガ、中国・上海に現地法人「世嘉（上海）軟件有限公司（SEGA (Shanghai) Entertainment Technology Co., Ltd.）」を設立｜株式会社セガ (sega.co.jp)

• 2026-03-10 — セガ、米玩具メーカーのジャックス・パシフィックと映画最新作『Sonic the Hedgehog 4（原題）』に向けた商品化ライセンス契約を締結｜株式会社セガ (sega.co.jp)

• 2026-01-09 — Angry Birds Licensing Merges with SEGA's Global Operations, Introduces New International Agent Network｜SEGA CORPORATION (sega.co.jp)

• 2025-10-07 — セガ、国際オリンピック委員会（IOC）と「ソニック・ザ・ヘッジホッグ」公式ライセンス商品の展開に向けたライセンス契約を締結｜株式会社セガ (sega.co.jp)

• 2025-08-01 — セガ、世界最大級のオンラインゲーミングプラットフォーム「Roblox」の新ライセンスシステムにローンチパートナーとして参画｜株式会社セガ (sega.co.jp)

Company details

Sega is a subsidiary of Sega Sammy Holdings, and its franchises include Sonic the Hedgehog, Yakuza, Persona, and Phantasy Star. Sega was founded in 1960, has an estimated 1,000-5,000 employees, and is headquartered in Shinagawa City, Tokyo.

Frequently asked questions

What does Sega make?

Sega is a Japanese video game company headquartered in Shinagawa City, Tokyo, founded in 1960. It employs an estimated 1,000 to 5,000 people with an estimated revenue band of $1 to 5 billion, and operates as a subsidiary of Sega Sammy Holdings. The company develops and sells game content across consoles, PCs, mobile devices, and arcade machines. In August 2026 it established a local subsidiary in Shanghai, China, SEGA (Shanghai) Entertainment Technology Co., Ltd. Its industries include entertainment, electronics and software, and consumer goods.

Where is Sega headquartered?

Sega is headquartered in Shinagawa City, Tokyo.

When was Sega founded?

Sega was founded in 1960.

How big is Sega?

Sega has an estimated 1,000-5,000 employees, with revenue in the $1-5B range (estimated).

Does Sega import from overseas suppliers?

US customs bill-of-lading records show 399 inbound shipments for Sega, with top origins including United Kingdom · South Korea · Taiwan · China.

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Last verified Nov 2026. Is this your company? Request a correction.