100 Fastest Growing Companies in Toronto 2025: Top Startups

Congrats to the fastest growing companies in Toronto for 2025! Toronto is the startup capital of Canada and the finance capital of Canada. That combination makes for some really fast growing companies. The list below is based on our algorithm which takes numerous data points into consideration such as number of employees, employee growth, estimated or actual revenue, growth triggers (such as funding, new locations, M&As, hiring announcements, etc), current job openings, etc. All companies have less than 1000 employees.