Top Financial Software companies in United Kingdom - October, 2026

    Listed below are the top companies in United Kingdom by revenue as of October 2026. With $2.7B in revenue, ION is ranked first on the list, followed by Finastra with $1.9B in revenue and FNZ with $1.5B in revenue. Find additional information about companies in United Kingdom such as their contact details, employees, location, org chart, news and much more.

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    • ION
    • Financial Software , Software
    • London, Greater London, United Kingdom
    • $2.7B
    • 10K+
    • Finastra
    • Financial Software , Software
    • London, Greater London, United Kingdom
    • $1.9B
    • 5K - 10K
    • FNZ
    • Financial Software , Software
    • London, Greater London, United Kingdom
    • $1.5B
    • 5K - 10K
    • Osttra
    • Financial Software , Software
    • London, Greater London, United Kingdom
    • $618.7M
    • 1K - 5K

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Frequently Asked Questions Regarding Top Financial Software companies in United Kingdom - October, 2026

Is ION the biggest company in the world?
ION is the top company in United Kingdom by revenue, with $2.7B in revenue
Is Finastra the biggest company in the world?
Finastra is the second largest company in United Kingdom by revenue, with $1.9B in revenue
Is ION the largest company by revenue?
ION is the largest company by revenue, with $2.7B in revenue
What is ION's revenue?
ION's revenue is $2.7B
What is Finastra's revenue?
Finastra's revenue is $1.9B
What is FNZ's revenue?
FNZ's revenue is $1.5B
See more information about top companies