Private company

Sydney Development Corporation

Canadian software company

Sydney Development Corporation (SDC) was the first publicly traded software company in Canada. Founded by Tarrnie Williams, SDC developed an online real-time project management system for the IBM System/370 mainframe computer, then various different business applications for microcomputers such as the Apple II, and eventually became the first developer and publisher of computer games for microcomputers in Canada.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1978Founded1
  • HeadquartersVancouver1

Sydney Development Corporation (SDC) was the first publicly traded software company in Canada. Founded by Tarrnie Williams, SDC developed an online real-time project management system for the IBM System/370 mainframe computer, then various different business applications for microcomputers such as the Apple II, and eventually became the first developer and publisher of computer games for microcomputers in Canada.2

The story

Founded by Tarrnie Williams in 1978.1

Leadership

Who has led Sydney Development Corporation, and when. Pick a name to see everywhere that person has worked.

Timeline

  1. 1978Founded Founded1

Sources

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