Company lists · Data refreshed October 2026

Top 25 Financial services IT integrators based in London, United Kingdom

RevenueBase identified 124 company matches for financial services IT integrators associated with London, United Kingdom as of October 2026 and tracks 9,359 professional contacts across them, including 3,835 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for financial services IT integrators associated with London, United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 12, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 12, 2026 How this list was built
124Companies
9,359Contacts tracked
3,835Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest financial services IT integrators based in London, United Kingdom

Ranked by team size
Top 25 of 124 company matches for financial services IT integrators based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Oct 12, 2026201-500174 contacts →

Exact match

“ICSFS is a global financial and banking software solutions provider, that has been servicing the financial and banking industry for many decades through its multi-award-winning…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Oct 12, 2026201-500153 contacts →

Exact match

“Traditionally, core banking solutions revolved around products rather than customer needs.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Oct 12, 202651-20097 contacts →

Exact match

“Matsco Solutions is a global managed IT service provider built exclusively for the financial services industry.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-5093 contacts →

Exact match

“Corfinancial provides software and advice to the financial services sector around the world.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Oct 12, 202651-20078 contacts →

Exact match

“Page Solution is a technology services & consulting company with a hyper-focus on banking technology and transformation.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Oct 12, 202651-20074 contacts →

Exact match

“Validata Group is an international company that empowers banks and financial services with continuous quality engineering, smart ‘progressive’ data migration and enterprise…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Oct 12, 202651-20049 contacts →

Exact match

“Velmie is a digital banking system integrator and mobile app delivery partner for regulated fintech programs.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-5043 contacts →

Exact match

“Financial services.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-5036 contacts →

Exact match

“Fairmort is a software product & consultancy company.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-5031 contacts →

Exact match

“Capital and Trust is a leading business intermediary.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-5024 contacts →

Exact match

“JPSB Group was acquired by Alpha FMC.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Oct 12, 202651-20024 contacts →

Exact match

“Where Data Flows.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Oct 12, 202651-20023 contacts →

Exact match

“Thank you for following Capital Support, we hope you have enjoyed all the content we shared on our platform.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Oct 12, 202651-20021 contacts →

Exact match

“Nord Group is a technology delivery and transformation partner, helping organisations design, build, integrate, and scale technology solutions that drive business outcomes.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-5021 contacts →

Exact match

“Fentexa is a technology-driven consultancy, dedicated to the financial markets sector.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-5020 contacts →

Exact match

“Mintus is a financial sector solutions provider dedicated to transforming businesses and enhancing financial institutions' revenues and yields.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-5018 contacts →

Exact match

“Nomura Research Institute Europe Limited (NRI Europe) is an IT consulting and solutions provider for financial institutions in London and Luxembourg as a hub of global financial…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-5016 contacts →

Exact match

“An advanced Fintech Organization with experienced and expertise employees in payments, high risk acquiring, crypto acquiring domain.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-5015 contacts →

Exact match

“At Accordant we understand the changing needs of business IT.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-5014 contacts →

Exact match

“MarketsIO is a trailblazing technology company that specializes in delivering risk-free, innovative, and scalable solutions to capital markets and other industries.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-5013 contacts →

Exact match

“P10 Financial Group delivers an integrated financial services offering across four key areas.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Oct 12, 202651-20010 contacts →

Exact match

“Dynamo Analytics is an innovative financial analytics and process-automation specialist.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Oct 12, 202651-20010 contacts →

Exact match

“The Holley Holland Group partners with financial services firms to deliver business transformation, technology transformation and IT solutions.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Oct 12, 20261-107 contacts →

Exact match

“We make the abstract real.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Oct 12, 202651-2007 contacts →

Exact match

“We deliver cutting edge software for banks.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase

Showing 25 of 124 financial services IT integrators based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 3,835 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Financial services IT integrators based in London, United Kingdom at a glance

As of Oct 12, 2026
41.0%Verified-email coverage
75.5Average contacts per company
11-50Median size (employees)
Oct 12, 2026Page data refreshed

Companies by employee count

1-10
55
11-50
42
51-200
17
201-500
5
501-1,000
2
1,001-5,000
2
5,001-10,000
1

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 124 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with London, United Kingdom whose business descriptions match “financial services IT integrators” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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
Every displayed company carries at least one verified work email. RevenueBase tracks 3,835 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on October 12, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “financial services IT integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many financial services IT integrators are there based in London, United Kingdom?

RevenueBase identified 124 company matches for financial services IT integrators associated with London, United Kingdom as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

ICS Financial Systems - Icsfs tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United Kingdom has the most financial services IT integrators?

London leads the United Kingdom with 124 company records, followed by Bristol (4) and Manchester (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 3,835 professional contacts with verified work emails tracked across these 124 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 12, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.