User summary based on information from English Wikipedia's Beam Software entry and Infogrames entry:
Infogrames Melbourne House, or Atari Melbourne House is/was a game developer originally founded in 1980 as Beam Software, and bought by Infogrames (Atari owner) in 1999, changing their name to Infogrames Melbourne House.
In May 2003, as Infogrames restructured and renamed many of their companies after the Atari brand, the developper changed name to Atari Melbourne House.
In 2006, Atari Melbourne House was sold to Krome Studios, forming Krome Studios Melbourne.
- Infogrames Melbourne House Pty Ltd. was formally known as Beam Software.