Creator / Seven Arcs
Seven! Seven Arcs, A-Ha-Ha.

Seven Arcs (セブン・アークス; also known as Seven Arcs Pictures) is a rather recent Anime studio established in 2002. They're mainly known for Lyrical Nanoha.

See also Production Reed, Studio Pierrot and Toei Animation, three other major Japanese studios known for Magical Girl Anime. More credits can be found on Anime Newsnetwork here and here.

Seven Arcs' Anime include:

Additional Projects Seven Arcs was involved in: