Refolk
BlogSign in

Top Series B companies in Toronto

Companies that have closed a Series B — proven scaling motion, hiring aggressively. Filtered to companies headquartered in Toronto.

Built from a search like: “Top Series B companies in Toronto”

Ranked by current headcount across Series B companies headquartered in Toronto. Refreshed daily.

  1. 1
    Zafin· Toronto, Ontario, Canada
    • Series B
    • 843 employees
    • Founded 2002
  2. 2
    LoyaltyOne· Toronto, Ontario, Canada
    • Series B
    • 499 employees
    • Founded 1991
  3. 3
    PartnerStack· Toronto, Ontario, Canada
    • Series B
    • 374 employees
    • Founded 2015
  4. 4
    Knix· Toronto, Ontario, Canada
    • Series B
    • 340 employees
    • Founded 2013
  5. 5
    Relay· Toronto, Ontario, Canada
    • Series B
    • 335 employees
    • Founded 2018
  6. 6
    Zensurance· Toronto, Ontario, Canada
    • Series B
    • 293 employees
    • Founded 2016
  7. 7
    Prodigy Education· Toronto, Ontario, Canada
    • Series B
    • 243 employees
    • Founded 2011
  8. 8
    Maple (getmaple.ca)· Toronto, Ontario, Canada
    • Series B
    • 233 employees
    • Founded 2015
  9. 9
    Fable· Toronto, Ontario, Canada
    • Series B
    • 215 employees
    • Founded 2018
  10. 10
    AutoLeap· Toronto, Ontario, Canada
    • Series B
    • 201 employees
    • Founded 2019
  11. 11
    500px· Toronto, Ontario, Canada
    • Series B
    • 195 employees
    • Founded 2009
  12. 12
    CloudTalk· Toronto, Ontario, Canada
    • Series B
    • 195 employees
    • Founded 2016
  13. 13
    Tokyo Smoke· Toronto, Ontario, Canada
    • Series B
    • 191 employees
    • Founded 2017
  14. 14
    Smartness· Arco, Trentino-Alto Adige, Italy
    • Series B
    • 178 employees
    • Founded 2020
  15. 15
    Forma.ai· Toronto, Ontario, Canada
    • Series B
    • 167 employees
    • Founded 2016
  16. 16
    #paid· Toronto, Ontario, Canada
    • Series B
    • 152 employees
    • Founded 2013
  17. 17
    PocketHealth· Toronto, Ontario, Canada
    • Series B
    • 141 employees
    • Founded 2016
  18. 18
    Vetster· Toronto, Ontario, Canada
    • Series B
    • 136 employees
    • Founded 2020
  19. 19
    Humi by Employment Hero· Toronto, Ontario, Canada
    • Series B
    • 125 employees
    • Founded 2016
  20. 20
    Trolley· Toronto, Ontario, Canada
    • Series B
    • 115 employees
    • Founded 2015
  21. 21
    Plooto· Toronto, Ontario, Canada
    • Series B
    • 112 employees
    • Founded 2015
  22. 22
    ODAIA· Toronto, Ontario, Canada
    • Series B
    • 109 employees
    • Founded 2018
  23. 23
    Pine· Toronto, Ontario, Canada
    • Series B
    • 102 employees
    • Founded 2021
  24. 24
    Arteria AI· Toronto, Ontario, Canada
    • Series B
    • 97 employees
    • Founded 2020
  25. 25
    OneVest· Toronto, Ontario, Canada
    • Series B
    • 97 employees
    • Founded 2021

Find engineers at Series B companies in Toronto

Series B companies in Toronto are some of the fastest-moving employers in the market. The list above ranks the largest Series B-stage companies headquartered in Toronto by current headcount, drawn from public LinkedIn and Crunchbase records. With 73 matching companies in our index, the density of senior engineers, designers, and founders is unusually high.

At Series B, teams tend to be small, ambitious, and on the hunt for senior talent. The companies on this list are good signals for where the Torontotalent market is heating up — and for which engineers and founders are about to become tomorrow’s operators.

Refolk converts this list into a live search. Ask for “founders of Series B companies in Toronto” or “senior engineers at Series B companies in Toronto hiring” and Refolk returns a ranked shortlist with evidence behind each match.

How this list is built

Refolk pulled Series B companies headquartered in Toronto from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 5 employees. The list refreshes once a day.

Last refreshed: Thu, 07 May 2026 07:57:18 GMT

Need an even more specific search?

Refolk runs natural-language searches across LinkedIn, GitHub, and the open web. Try one of these:

Related lists

See all company lists.

Or zoom out