^ The vast majority of which are literal mom&pop shops employing ten or less staff.
Although trends are changing as new emphasis is placed on more recent technologies like Cloud and AI, historically the biggest most successful 'tech' firms in Victoria, in terms of significant revenue generation, were/are those with huge consulting arms who work(ed) on government contracts, i.e. Fujitsu, NTT Data, CGI, Deloitte, MAXIMUS, DXCS Advanced Solutions (formerly HP Advanced Solutions) etc. Some of them were and remain entrenched in that LOB literally for decades.....
To cite but one exmaple although their bricks and mortar presence is gone using the hybrid & work from home model Fujitsu still makes big consulting bucks focused on supporting government legacy systems like mainframe, CICS, DB2 etc. At its peak there were probably 200+ Fujitsu staff and consultants in Victoria. CGI has its fingers in multiple government clients locally. Deloitte leverages its vast audit experience in performing IT security audits for a slough of clients both the private and government sectors.....