The story
CrossTechnics/Atod Design KB/Atod AB era
It was established in 1987 as CrossTechnics, and was formally incorporated as Atod Design KB and Atod AB in 1992 by the game development duo Christofer Nilsson and Thomas Liljetoft.
Warthog Sweden/42-bit AB era
In 2003, Atod AB was merged with British game developer Warthog Games and renamed to Warthog Sweden.
Eidos Studios, Sweden AB era
In May 2006, the company was acquired by British publisher and developer Eidos Interactive and became Eidos Studios, Sweden AB.
Today the company is part of Square Enix who acquired Eidos Interactive in 2009.
From Wikipedia’s article on Atod, shared under CC BY-SA 4.0.4