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Top Series B companies in Toronto

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

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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
    • 876 employees
    • Founded 2002
  2. 2
    LoyaltyOne· Toronto, Ontario, Canada
    • Series B
    • 486 employees
    • Founded 1991
  3. 3
    PartnerStack· Toronto, Ontario, Canada
    • Series B
    • 358 employees
    • Founded 2015
  4. 4
    Knix· Toronto, Ontario, Canada
    • Series B
    • 348 employees
    • Founded 2013
  5. 5
    Zensurance· Toronto, Ontario, Canada
    • Series B
    • 299 employees
    • Founded 2016
Reveal 66 more·100 free credits, no card

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 71 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: Sun, 21 Jun 2026 12:10:23 GMT

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