Company lists · Data verified August 2026
Top 15 Banking software companies based in London, United Kingdom
There are 29 banking software companies headquartered in London, United Kingdom (RevenueBase, August 2026). RevenueBase tracks 1,237 professional contacts across them, including 303 with verified work emails and 44 with mobile numbers. London is the largest hub.
This list covers banking software companies headquartered in London, United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.
The 15 largest banking software companies based in London, United Kingdom
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 | 8 | |
| 2 | 1 | |
| 3 | 101 | |
| 4 | Tieto Financial Solutions | 20 |
| 5 | 82 | |
| 6 | 25 | |
| 7 | 16 | |
| 8 | 18 | |
| 9 | 13 | |
| 10 | 3 | |
| 11 | 3 | |
| 12 | 4 | |
| 13 | 5 | |
| 14 | 3 | |
| 15 | 1 |
Showing 15 of 29 banking software companies based in London, United Kingdom
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Banking software companies based in London, United Kingdom at a glance
As of Aug 28, 2026Companies by employee count
Banking software companies by metro in the United Kingdom
| Metro | Companies |
|---|---|
| Banking software companies in London | 29 |
| Banking software companies in Leeds | 3 |
| Banking software companies in Hounslow | 1 |
| Banking software companies in Llanelli | 1 |
| Banking software companies in Winnersh | 1 |
| Banking software companies in St Ives | 1 |
| Banking software companies in Kingston Upon Thames | 1 |
How this list was built
- Source
- The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
- Inclusion
- Companies whose own business descriptions match “banking software companies”, with match quality audited by blind human judging, and headquartered in London, United Kingdom.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Contact records re-verify on a rolling cadence; 1 contacts on this list were re-verified in the last 30 days.
- Refresh
- Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.
Frequently asked
How many banking software companies are there based in London, United Kingdom?
There are 29 banking software companies headquartered in London, United Kingdom as of August 2026 (RevenueBase).
What is the largest company on this list?
IT Software, headquartered in London, tops this list with the largest team on record.
Which city has the most banking software companies?
London leads with 29 headquartered companies, followed by Leeds (3) and Hounslow (1).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 303 verified decision-maker contacts tracked across these 29 companies.
How current is this list?
The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.
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About this data
RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.
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