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IPO SaaS companies in London

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

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Built from a search like: “Top IPO SaaS companies in London”

Ranked by current headcount across IPO SaaS companies in London. Refreshed daily.

  1. 1
    Clarivate· London, England, United Kingdom
    • Post-IPO equity
    • 11.4k employees
  2. 2
    Deliveroo· London, England, United Kingdom
    • Post-IPO equity
    • 11k employees
    • Founded 2013
  3. 3
    Informa· London, England, United Kingdom
    • Post-IPO equity
    • 9.4k employees
    • Founded 1998
  4. 4
    Sapiens· Uxbridge, England, United Kingdom
    • Post-IPO equity
    • 5.3k employees
    • Founded 1982
  5. 5
    Playtech· London, England, United Kingdom
    • Post-IPO debt
    • 3.7k employees
    • Founded 1999
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Find engineers at IPO SaaS companies in London

Searching for “engineers at top IPO SaaS companies in London” surfaces this slice of the market. The list above ranks SaaS companies headquartered in London whose latest disclosed round is IPO, by current headcount, drawn from public LinkedIn and Crunchbase records. With 30 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 - IPO, 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 IPO SaaS companies in London hiring” or “founders of IPO 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 IPO 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: Sun, 21 Jun 2026 09:19:17 GMT

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