SEGA

A company established in 1960

SEGA's own company outline gives the firm establishment date as 3 June 1960, which makes it one of the older names still active in games. The same page lists its base as the Sumitomo Fudosan Osaki Garden Tower in Nishi-Shinagawa, in Tokyo's Shinagawa ward, and gives a headcount of 2,922 staff as of 31 March 2026. Those figures come straight from Sega Corporation, so they are firmer than most third-party summaries.

The outline describes the business in broad strokes: planning, development and sales of game-related content for phones, personal computers, smart devices and home consoles. It does not name individual founders, and Sega's corporate pages reviewed for this article do not date any single person as the origin. What the company does present clearly is the year, the city and the shape of its work, which is where any honest account has to start.

Sonic, and the series that define the label

The mascot is the easy part. The official Sonic the Hedgehog site carries a SEGA copyright line and states that the Sonic trademark belongs to Sega and its affiliates. Sega's own company page also shows its broader portfolio through its studio brands, with logos for divisions such as Atlus. Between the mascot platformer and the developer labels underneath it, the company presents itself as a group of studios rather than a single team.

That breadth is the point. Sega's catalogue reaches into action games, role-playing titles and racing, and its corporate pages speak on behalf of the SEGA SAMMY group rather than one office. A reader looking for the connective tissue will find it in the brand, not in a genre. Different studios, different audiences, one publisher name on the box. The company's own pages reinforce this, listing several studio brands under a single corporate identity.

The game in our database: Total War: WARHAMMER III

Total War: WARHAMMER III is published by SEGA and developed by Creative Assembly, a split the Steam listing states directly in its copyright block. It is a real-time strategy game set in the Warhammer fantasy world, built around seven races and a large roster of units, with a narrative that moves through the Realm of Chaos. The same page names ten playable Legendary Lords and multiplayer support for up to eight players.

The title's biggest structural feature is Immortal Empires, a combined campaign that stitches together the maps, races and factions of all three Warhammer entries into one sandbox. Sega's role here is the familiar one for a large publisher: the studio makes the game, the publisher handles the brand and the release. In this database Total War: WARHAMMER III sits under SEGA as publisher.

Being part of a larger group

Sega does not present itself as a standalone firm. Its corporate pages speak as part of the SEGA SAMMY group, and the same pages name senior figures such as chairman and chief executive Haruki Satomi and president and chief operating officer Shuji Utsumi. That group framing matters, because it places a long-running games brand inside a wider entertainment business with interests beyond a single console era.

This is a company that once built hardware and now does not. The studio outline reviewed here deals only in content, not machines, which is a quiet but telling shift. For readers of this wiki, the practical consequence is simple: Sega today is a publisher and developer, and its output shows up across other companies' platforms rather than its own.

Quick facts

Established: 3 June 1960, per Sega's own company outline. Headquarters: Sumitomo Fudosan Osaki Garden Tower, Nishi-Shinagawa, Shinagawa-ku, Tokyo. Employees: 2,922 as of 31 March 2026. Chairman and chief executive: Haruki Satomi. President and chief operating officer: Shuji Utsumi. Business: planning, development and sales of game content for phones, computers, smart devices and home consoles. Capital stock: 100 million yen, with a fiscal year ending on 31 March each year.

Key identity: Sonic the Hedgehog, whose official site carries Sega's trademark notice, and a portfolio shown through studio brands including Atlus. Game in this database published by SEGA: Total War: WARHAMMER III, developed by Creative Assembly. The pages reviewed name no individual founder and no separate parent company on the Sega corporate outline itself, and the company presents itself through content brands rather than a single genre.

Why a 1960 origin still matters

A start date of 1960 puts Sega's beginnings before the home console existed and before most of the studios it now competes with were founded. That history is not just trivia. It explains why the company talks about arcades, characters and long-lived franchises in the same breath, and why its brand carries recognition far outside the current hardware generation. Few active publishers can trace an unbroken line that far back.

It also sets expectations. A firm with that much history is judged less on a single release than on how it keeps a wide catalogue alive across changing platforms. Sega's own material leans into that continuity, presenting itself as a group of studios carrying a famous name forward rather than a newcomer chasing a trend. That framing is also a promise about how it intends to keep those franchises relevant.

Questions people ask