| GAZZARD SHELDON ARCHITECTS PTY. LTD. | Former Name (Historical) | ASIC |
| MARK SHELDON & ASSOCIATES PTY LTD | Former Name (Historical) | ASIC |
| GROUP GSA PTY LTD | Main Name (Current) | ABR |
| GROUP GSA P/L | Main Name (Historical) | ABR |
| GROUP GSA PTY LTD | Main Trading Name (Current) | ABR |
| Group GSA Whitefield McQueen Irwin Alsop | Business Name (Historical) | ABR |
| GSA ARCHITECTS | Business Name (Historical) | ABR |
| GSA FACILITIES MANAGEMENT | Business Name (Historical) | ABR |
| GSA INTERIORS | Business Name (Historical) | ABR |
| GSA PROJECT MANAGEMENT | Business Name (Historical) | ABR |
| GSA URBAN DESIGN AND PLANNING | Business Name (Historical) | ABR |