Short answers, pulled from the story.
Wit Studio was founded on the 1st of June 2012 by George Wada, a former Production I.G producer who became the studio's president. Tetsuya Nakatake, also from Production I.G, was appointed representative director. The studio was established as a subsidiary of IG Port.
Wit Studio is headquartered in Musashino, Tokyo.
IG Port holds 66.6% equity in Wit Studio, George Wada holds 21.6%, and Tetsuya Nakatake holds 10.0%.
Wit Studio is best known for producing the first three seasons of Attack on Titan, which ran from 2013 to 2019. The studio also gained recognition for Great Pretender, Ranking of Kings, Spy × Family, Vinland Saga season one, and the first season of The Ancient Magus' Bride.
Wit Studio produced the first three seasons of Attack on Titan, covering the period from 2013 to 2019. The studio also produced related films and OVAs during that period, including Attack on Titan: No Regrets and Attack on Titan: Chronicle, the latter released in 2020.
JOEN is a company formed in May 2022 by Wit Studio in partnership with Aniplex, CloverWorks, and Shueisha. Its purpose is to facilitate the planning and production of television anime series, anime films, and short clips.