Express Data threw end of financial year parties in all major capital cities during July to cap off its 2008 success.
More than 600 partners indulged in drinks and canapés as well as entertainment across Australia.
The Sydney party was held at the Australian Museum under a giant whale skeleton and amid the artifacts.
Tap dancing waiters took to the floor at one point to show off their dancing skills.
Many guests also took the chance to get their picture taken in the retro photo booth.