Series C SaaS companies in London
Software-as-a-service vendors selling subscription cloud software to other businesses. Filtered to Series C-stage companies headquartered in London.
- StageSeries C
- IndustrySaaS
- HQLondon
- Matches32
Built from a search like: “Top Series C SaaS companies in London”
Ranked by current headcount across Series C SaaS companies in London. Refreshed daily.
- 1Flo Health Inc.· London, England, United Kingdom
- Series C
- 690 employees
- Founded 2015
- 2Dext· London, England, United Kingdom
- Series C
- 500 employees
- Founded 2010
- 3Cognism· London Colney, England, United Kingdom
- Series C
- 483 employees
- Founded 2015
- 4ComplyAdvantage· London, England, United Kingdom
- Series C
- 465 employees
- Founded 2014
- 5Vertice· London, England, United Kingdom
- Series C
- 459 employees
- Founded 2021
- 6Swap· London, England, United Kingdom
- Series C
- 268 employees
- Founded 2022
- 7Student.com· London, England, United Kingdom
- Series C
- 256 employees
- Founded 2011
- 8Oritain· London, England, United Kingdom
- Series C
- 174 employees
- Founded 2008
- 9Adzuna· London, England, United Kingdom
- Series C
- 168 employees
- Founded 2011
- 10BeZero Carbon· Greater London, England, United Kingdom
- Series C
- 167 employees
- Founded 2020
- 11Ravelin Technology· London, England, United Kingdom
- Series C
- 153 employees
- Founded 2014
- 12ContractPodAi· London, England, United Kingdom
- Series C
- 141 employees
- Founded 2015
- 13Plentific· London, England, United Kingdom
- Series C
- 139 employees
- Founded 2012
- 14Egress, a KnowBe4 company· London, England, United Kingdom
- Series C
- 123 employees
- Founded 2007
- 15Datamaran· London, England, United Kingdom
- Series C
- 119 employees
- Founded 2014
- 16Skimlinks· London, England, United Kingdom
- Series C
- 112 employees
- Founded 2007
- 17Permutive· London, England, United Kingdom
- Series C
- 108 employees
- Founded 2016
- 18V-Nova Ltd.· London, England, United Kingdom
- Series C
- 104 employees
- Founded 2011
- 19Granola· London, England, United Kingdom
- Series C
- 87 employees
- Founded 2023
- 20Green Man Gaming· London, England, United Kingdom
- Series C
- 86 employees
- Founded 2009
- 21BeMyEye· London, England, United Kingdom
- Series C
- 76 employees
- Founded 2011
- 22LoveCrafts· London, England, United Kingdom
- Series C
- 71 employees
- Founded 2013
- 23Dropit· London Area, United Kingdom
- Series C
- 47 employees
- Founded 2016
- 24Synthace· London, England, United Kingdom
- Series C
- 37 employees
- Founded 2011
- 25Privitar· London, England, United Kingdom
- Series C
- 36 employees
- Founded 2014
Find engineers at Series C SaaS companies in London
Searching for “engineers at top Series C SaaS companies in London” surfaces this slice of the market. The list above ranks SaaS companies headquartered in London whose latest disclosed round is Series C, by current headcount, drawn from public LinkedIn and Crunchbase records. With 32 matching companies in our index, this is a tight read on where the SaaS talent in London is heating up.
Three filters at once narrows the field hard. The companies that survive all three — Series C, SaaS, in London — are usually the most targeted recruiting pool a hiring manager can ask for. Senior engineers, founding designers, and product leads here are about to become SaaS’s next operators and angel investors.
Refolk converts this list into a live search. Ask for “senior engineers at Series C SaaS companies in London hiring” or “founders of Series C SaaS companies in London who left in the last year” and Refolk returns a ranked shortlist with the evidence behind each match.
How this list is built
Last refreshed: Thu, 07 May 2026 08:01:56 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
- Seed Fintech in London
- Series A Fintech in London
- Series B Fintech in London
- Series A AI in London
- Series B AI in London
- Series A SaaS in London
- Seed SaaS in San Francisco
- Series A SaaS in San Francisco
See all company lists.