Top Series B companies in London
Companies that have closed a Series B — proven scaling motion, hiring aggressively. Filtered to companies headquartered in London.
- StageSeries B
- HQLondon
- Matches277
Built from a search like: “Top Series B companies in London”
Ranked by current headcount across Series B companies headquartered in London. Refreshed daily.
- 1MyTutor.co.uk· London, England, United Kingdom
- Series B
- 4k employees
- Founded 2013
- 2Charlotte Tilbury Beauty· London, England, United Kingdom
- Series B
- 3.3k employees
- Founded 2012
- 3dunnhumby· London, England, United Kingdom
- Series B
- 3k employees
- Founded 1989
- 4The Business of Fashion· London, England, United Kingdom
- Series B
- 1.8k employees
- Founded 2007
- 5Zen Educate· London, England, United Kingdom
- Series B
- 1.8k employees
- Founded 2017
- 6VSO· London, England, United Kingdom
- Series B
- 1.7k employees
- Founded 1958
- 7Novakid Inc· London, England, United Kingdom
- Series B
- 1.5k employees
- Founded 2017
- 8WGSN· London, England, United Kingdom
- Series B
- 962 employees
- Founded 1998
- 9GWI· London, England, United Kingdom
- Series B
- 767 employees
- Founded 2009
- 10Luno· London, England, United Kingdom
- Series B
- 728 employees
- Founded 2013
- 11Beauty Pie· London, England, United Kingdom
- Series B
- 695 employees
- Founded 2016
- 12Awardco· Lindon, Utah, United States
- Series B
- 635 employees
- Founded 2015
- 13Tripledot Studios· London, England, United Kingdom
- Series B
- 535 employees
- Founded 2017
- 14HealthHero· London, England, United Kingdom
- Series B
- 493 employees
- Founded 1997
- 15Numan· London, England, United Kingdom
- Series B
- 489 employees
- Founded 2018
- 16Payhawk· London, England, United Kingdom
- Series B
- 458 employees
- Founded 2018
- 17ZOE· London, England, United Kingdom
- Series B
- 419 employees
- Founded 2017
- 18Forest· London, England, United Kingdom
- Series B
- 418 employees
- Founded 2020
- 19LemFi· London, England, United Kingdom
- Series B
- 406 employees
- Founded 2020
- 20Talbot Underwriting· London, England, United Kingdom
- Series B
- 379 employees
- Founded 2001
- 21Zapp· London, England, United Kingdom
- Series B
- 372 employees
- Founded 2020
- 22Victor· London, England, United Kingdom
- Series B
- 336 employees
- Founded 2010
- 23Lavanda· London, England, United Kingdom
- Series B
- 329 employees
- Founded 2014
- 24IMMO· London, England, United Kingdom
- Series B
- 307 employees
- Founded 2017
- 25Unibuddy· London, England, United Kingdom
- Series B
- 295 employees
- Founded 2015
Find engineers at Series B companies in London
Series B companies in London are some of the fastest-moving employers in the market. The list above ranks the largest Series B-stage companies headquartered in London by current headcount, drawn from public LinkedIn and Crunchbase records. With 277 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 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 B companies in London” or “senior engineers at Series B companies in London hiring” and Refolk returns a ranked shortlist with evidence behind each match.
How this list is built
Last refreshed: Thu, 07 May 2026 07:48:21 GMT
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