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Top Series C companies in London

Companies that have closed a Series C - growth-stage with significant revenue. Filtered to companies headquartered in London.

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Built from a search like: “Top Series C companies in London”

Ranked by current headcount across Series C companies headquartered in London. Refreshed daily.

  1. 1
    Moniepoint Group· London, England, United Kingdom
    • Series C
    • 5.4k employees
    • Founded 2015
  2. 2
    SLR Consulting· London, England, United Kingdom
    • Series C
    • 4.3k employees
    • Founded 1994
  3. 3
    TradingView· London, England, United Kingdom
    • Series C
    • 2.8k employees
    • Founded 2011
  4. 4
    Leverage Edu· London, England, United Kingdom
    • Series C
    • 1.2k employees
    • Founded 2017
  5. 5
    Teya· London, England, United Kingdom
    • Series C
    • 1.1k employees
    • Founded 2019
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Find engineers at Series C companies in London

Series C companies in London are some of the fastest-moving employers in the market. The list above ranks the largest Series C-stage companies headquartered in London by current headcount, drawn from public LinkedIn and Crunchbase records. With 107 matching companies in our index, the density of senior engineers, designers, and founders is unusually high.

At Series C, teams tend to be small, ambitious, and on the hunt for senior talent. The companies on this list are good signals for where the Londontalent 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 C companies in London” or “senior engineers at Series C companies in London hiring” and Refolk returns a ranked shortlist with evidence behind each match.

How this list is built

Refolk pulled Series C companies headquartered in London 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 11:51:11 GMT

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