343 Industries is an American video game developer located in Redmond, Washington. Established in 2007 by Microsoft Studios (now Xbox Game Studios), the company is responsible for the development and management of the Halo multimedia science fiction franchise, following Bungie's separation from Microsoft. Named after the Halo character 343 Guilty Spark, their work encompasses Halo games, books, comics, and other media extensions, aiming to expand and enrich the Halo universe for a global audience.
Serves as the primary development studio for the Halo franchise, including game design, art, engineering, audio, narrative development, and overall franchise management.
State-of-the-art development facilities, including motion capture studios, sound design labs, and advanced testing environments, integrated within the expansive Microsoft Redmond campus.
A highly creative and collaborative environment focused on innovation within the Halo universe. Employees are typically passionate about the franchise, working in a fast-paced AAA game development setting that blends with Microsoft's broader corporate culture.
The heart of all Halo development and IP management, crucial to one of Microsoft's flagship entertainment properties and a key pillar of Xbox Game Studios.
While primary development and operations are centralized at their Redmond headquarters, 343 Industries maintains a global presence through the worldwide distribution of Halo games and media. They support a global player base with localized game versions, international marketing campaigns, global esports events, and by collaborating with international partners for merchandise and transmedia projects. Their products are accessible globally via Microsoft's Xbox network and retail channels.
Microsoft Campus, 15290 NE 40th St (Representative address for Microsoft Redmond Campus buildings)
Redmond
Washington
USA
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As of April 2025, 343 Labs' leadership includes:
343 Labs has been backed by several prominent investors over the years, including:
Over the past 12-18 months, 343 Industries has undergone significant leadership restructuring, including key departures and internal promotions to guide the future of the Halo franchise. These changes occurred amidst broader reorganizations within Microsoft's gaming division.
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As a subsidiary of Microsoft, employees at 343 Industries typically use Microsoft's corporate email domain (microsoft.com). Common email formats at Microsoft include [first].[last]@microsoft.com and [first_initial][last]@microsoft.com.
[first].[last]@microsoft.com or [first_initial][last]@microsoft.com
Format
phintze@microsoft.com (example based on common format, not verified)
Example
80%
Success rate
IGN • February 8, 2024
The second season of the Halo television series, co-produced by 343 Industries, premiered on Paramount+. Early reviews indicate a shift in tone and narrative approach from the first season, with hopes it will align more closely with fan expectations of the Halo universe....more
GameSpot • May 8, 2024
343 Industries released an update for Halo Infinite enabling full customization for the Mark VII armor core, a feature highly anticipated by the player community. This update allows all earned and purchased Mark VII armor pieces to be freely mixed and matched....more
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