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Late-stage venture SaaS companies in London

Software-as-a-service vendors selling subscription cloud software to other businesses. Filtered to Late-stage venture-stage companies headquartered in London.

Built from a search like: Top Late-stage venture SaaS companies in London

Ranked by current headcount across Late-stage venture SaaS companies in London. Refreshed daily.

  1. 1
    IHS Markit· London, England, United Kingdom
    • Series unknown
    • 4.7k employees
    • Founded 2020
  2. 2
    PeoplePerHour· London, England, United Kingdom
    • Series unknown
    • 3.9k employees
    • Founded 2007
  3. 3
    AlphaSights· London, England, United Kingdom
    • Series unknown
    • 3.6k employees
    • Founded 2008
  4. 4
    VTEX· London, England, United Kingdom
    • Series unknown
    • 1.4k employees
    • Founded 2000
  5. 5
    Testronic· Croydon, England, United Kingdom
    • Series unknown
    • 1.3k employees
    • Founded 1998
  6. 6
    Multiverse· London, England, United Kingdom
    • Series unknown
    • 1.2k employees
    • Founded 2016
  7. 7
    Blockchain· London, England, United Kingdom
    • Series E
    • 1.2k employees
    • Founded 2011
  8. 8
    Trainline· London, England, United Kingdom
    • Series unknown
    • 1.2k employees
    • Founded 1997
  9. 9
    Quantexa· London, England, United Kingdom
    • Series F
    • 892 employees
    • Founded 2016
  10. 10
    Gett· London, England, United Kingdom
    • Series F
    • 869 employees
    • Founded 2010
  11. 11
    Synthesia· London, England, United Kingdom
    • Series E
    • 704 employees
    • Founded 2017
  12. 12
    UBIO· London, England, United Kingdom
    • Series unknown
    • 679 employees
    • Founded 2013
  13. 13
    Carwow· London, England, United Kingdom
    • Series unknown
    • 578 employees
    • Founded 2013
  14. 14
    Thought Machine· London, England, United Kingdom
    • Series unknown
    • 518 employees
    • Founded 2014
  15. 15
    Forterro· London, England, United Kingdom
    • Series unknown
    • 474 employees
    • Founded 2012
  16. 16
    Smart Communications.· London, England, United Kingdom
    • Series unknown
    • 444 employees
    • Founded 2004
  17. 17
    Quoreka· London, England, United Kingdom
    • Series unknown
    • 349 employees
    • Founded 2004
  18. 18
    Reapit· London, England, United Kingdom
    • Series unknown
    • 305 employees
    • Founded 1997
  19. 19
    TrueLayer· London, England, United Kingdom
    • Series unknown
    • 276 employees
    • Founded 2016
  20. 20
    Ocean Technologies Group· London, England, United Kingdom
    • Series unknown
    • 267 employees
    • Founded 2020
  21. 21
    Bark.com· London, England, United Kingdom
    • Series unknown
    • 266 employees
    • Founded 2014
  22. 22
    10x Banking· London, England, United Kingdom
    • Series unknown
    • 252 employees
    • Founded 2016
  23. 23
    Duco· London, England, United Kingdom
    • Series unknown
    • 239 employees
    • Founded 2010
  24. 24
    INSTANDA· London, England, United Kingdom
    • Series unknown
    • 235 employees
    • Founded 2012
  25. 25
    Spektrix· London, England, United Kingdom
    • Series unknown
    • 235 employees
    • Founded 2007

Find engineers at Late-stage venture SaaS companies in London

Searching for “engineers at top Late-stage venture SaaS companies in London” surfaces this slice of the market. The list above ranks SaaS companies headquartered in London whose latest disclosed round is Late-stage venture, by current headcount, drawn from public LinkedIn and Crunchbase records. With 225 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 — Late-stage venture, 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 Late-stage venture SaaS companies in London hiring” or “founders of Late-stage venture 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

Refolk pulled SaaS companies headquartered in London whose latest disclosed funding round is Late-stage venture from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 3 employees. The list refreshes once a day.

Last refreshed: Thu, 07 May 2026 08:40:07 GMT

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