Company lists · Data refreshed September 2026

Top 24 Fintech software developers based in London, United Kingdom

Name: Fintech software developers based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 12, 2026 252 companies tracked

RevenueBase identified 252 company matches for fintech software developers associated with London, United Kingdom as of September 2026 and tracks 31,151 professional contacts across them, including 11,331 with verified work emails and 1,016 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for fintech software developers 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 September 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 Sep 12, 2026 How this list was built

252Companies

31,151Contacts tracked

11,331Verified emails

1,016Mobile numbers

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The 24 largest fintech software developers based in London, United Kingdom

Ranked by team size

Top 24 of 252 company matches for fintech software developers based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Revolut	Exact match	London, United KingdomHQ recorded Sep 12, 2026	10001+	16,636 contacts →
	Exact match “People deserve more from their money.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
2	IG Group	Exact match	London, United KingdomHQ recorded Sep 12, 2026	1,001-5,000	2,351 contacts →
	Exact match “The future gets built here.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
3	SPD Technology	Exact match	London, United KingdomHQ recorded Sep 12, 2026	501-1,000	576 contacts →
	Exact match “SPD Technology is a global software product development company with over 650 talents and delivery centers across Europe.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
4	Options Technology	Exact match	London, United KingdomHQ recorded Sep 12, 2026	501-1,000	549 contacts →
	Exact match “Options Technology (Options) is a financial technology company at the forefront of banking and trading infrastructure.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
5	PPRO	Exact match	London, United KingdomHQ recorded Sep 12, 2026	501-1,000	494 contacts →
	Exact match “PPRO is a fintech company that provides digital payment solutions to businesses and banks so that they can scale their local payment services through one connection.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
6	Guavapay	Exact match	London, United KingdomHQ recorded Sep 12, 2026	201-500	441 contacts →
	Exact match “We are a company on a mission to build a global financial ecosystem that empowers individuals and businesses to have more control over their financial lives.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
7	Form3	Exact match	London, United KingdomHQ recorded Sep 12, 2026	501-1,000	273 contacts →
	Exact match “Form3 is a cloud-native payments technology company helping banks, fintechs and payment providers modernize their payments infrastructure.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
8	Payabl	Exact match	London, United KingdomHQ recorded Sep 12, 2026	201-500	264 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
9	CURVE	Exact match	London, United KingdomHQ recorded Sep 12, 2026	201-500	230 contacts →
	Exact match “Curve is on a mission to simplify the way people spend, send, see and save money.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
10	ICS Financial Systems - Icsfs	Exact match	London, United KingdomHQ recorded Sep 12, 2026	201-500	200 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 · Sep 12, 2026 · View company records in RevenueBase
11	Openpayd	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	190 contacts →
	Exact match “OpenPayd is building the universal financial infrastructure for the digital economy.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
12	WONGA	Exact match	London, United KingdomHQ recorded Sep 12, 2026	501-1,000	146 contacts →
	Exact match “We are a pioneering international FinTech company, which is disrupting the traditional consumer lending space by providing solutions for “underserved” customers.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
13	Fimple	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	135 contacts →
	Exact match “The current banking products in the market are complex, hard to onboard manage and expensive to operate.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
14	Paynetics	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	132 contacts →
	Exact match “Paynetics is a leader in B2B payments and a digital banking platform provider.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
15	Meniga	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	82 contacts →
	Exact match “Meniga is a leading hyper-personalisation banking platform, providing best-in-class user experiences to over 100 million banking customers across 30 countries globally.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
16	Flow Global	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	78 contacts →
	Exact match “Flow is a FinTech specifically focused on keeping retail businesses in developing markets flowing.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
17	Macro Global	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	76 contacts →
	Exact match “Macro Global is a UK-based FinTech & RegTech company delivering enterprise-grade SaaS platforms for banks and financial institutions.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
18	FNA	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	73 contacts →
	Exact match “FNA solves critical problems facing financial institutions and systems with software products using cutting-edge graph analytics, digital twins, and AI.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
19	XPATE	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	72 contacts →
	Exact match “xpate is the payments provider built for fintechs and digital SMEs that makes it easier to pay, get paid and keep money flowing.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
20	Rndpoint	Exact match	London, United KingdomHQ recorded Sep 12, 2026	201-500	71 contacts →
	Exact match “RNDpoint is a global software solutions provider with a focus on FinTech, AI, and software development productivity.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
21	Payler	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	68 contacts →
	Exact match “Integrated finance operating hub for global digital businesses.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
22	OMNIO	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	58 contacts →
	Exact match “Omnio is a fintech company helping brands turn transactions into lasting customer relationships, combining payments, loyalty and insight to create smarter, more rewarding…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
23	Nimble Appgenie	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	57 contacts →
	Exact match “At Nimble AppGenie, we are a global Fintech App Development Company delivering secure, scalable, and high-performance digital solutions for startups, enterprises, and financial…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
24	Velmie	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	53 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 · Sep 12, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “fintech software developers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 24 of 252 fintech software developers based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 11,331 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Fintech software developers based in London, United Kingdom at a glance

As of Sep 12, 2026

36.4%Verified-email coverage

3.3%Mobile-number coverage

123.6Average contacts per company

11-50Median size (employees)

Sep 12, 2026Page data refreshed

Companies by employee count

1-10

11-50

100

51-200

201-500

501-1,000

1,001-5,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 14.0d

9,5500–30

1,66131–60

3161–90

1190–180

78180+

Company record updated

Median 62.0d

00–30

14,69931–60

10,41761–90

2,91390–180

3,122180+

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 “fintech software developers” 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 11,331 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 September 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 “fintech software developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many fintech software developers are there based in London, United Kingdom?

RevenueBase identified 252 company matches for fintech software developers associated with London, United Kingdom as of September 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?

Revolut 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 fintech software developers?

London leads the United Kingdom with 203 company records, followed by Leeds (5) 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 11,331 professional contacts with verified work emails tracked across these 252 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 September 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.