Company lists · Data refreshed September 2026

Top 25 Fintech software companies based in London, United Kingdom

Name: Fintech software companies 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 238 companies tracked

RevenueBase identified 238 fintech software companies headquartered in London, United Kingdom as of September 2026 and tracks 31,638 professional contacts across them, including 14,291 with verified work emails and 1,087 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.

This list covers fintech 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. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 12, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 12, 2026 86% judged on-target in blind review

238Companies

31,638Contacts tracked

14,291Verified emails

1,087Mobile numbers

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The 25 largest fintech software companies based in London, United Kingdom

Ranked by team size

Top 25 of 238 fintech software companies based in London, United Kingdom, ranked by team size, largest first. Data refreshed Sep 12, 2026. RevenueBase Smart Search rates how each company's information relates to fintech software companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Revolut	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	10001+	16,636 contacts →
	Indirect evidence “People deserve more from their money.” Source: RevenueBase Database · checked Sep 12, 2026
2	SUMUP	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	1,001-5,000	3,813 contacts →
	Partial evidence “SumUp is a leading global fintech company committed to levelling the playing field for small businesses.” Source: RevenueBase Database · checked Sep 12, 2026
3	Starling	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	1,001-5,000	2,578 contacts →
	Indirect evidence “Hello, we’re Starling.” Source: RevenueBase Database · checked Sep 12, 2026
4	Lendable	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	552 contacts →
	Indirect evidence “Lendable is a platform that makes borrowing money and saving money effortless; across loans, credit cards, car finance, utility bills, insurance, mobile contracts and more.” Source: RevenueBase Database · checked Sep 12, 2026
5	Thought Machine	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	501-1,000	516 contacts →
	Partial evidence “Our team’s mission is a bold one – to create technology that can run the world’s banks according to the best designs and software practices of the modern age.” Source: RevenueBase Database · checked Sep 12, 2026
6	PPRO	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	501-1,000	494 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 12, 2026
7	zen.com	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	501-1,000	445 contacts →
	Indirect evidence “ZEN.COM is a global financial app that brings money management and shopping together in one place.” Source: RevenueBase Database · checked Sep 12, 2026
8	Guavapay	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	201-500	441 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 12, 2026
9	Jaja Finance	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	317 contacts →
	Indirect evidence “Jaja is on a mission to redefine and simplify the credit card experience, giving people more time to do the things they love.” Source: RevenueBase Database · checked Sep 12, 2026
10	Form3	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	501-1,000	273 contacts →
	Partial evidence “Form3 is a cloud-native payments technology company helping banks, fintechs and payment providers modernize their payments infrastructure.” Source: RevenueBase Database · checked Sep 12, 2026
11	10x Banking	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	201-500	266 contacts →
	Indirect evidence “10x Banking (10x) is a cloud‑native core banking platform built for financial institutions transforming to next-generation, 2040-ready technology.” Source: RevenueBase Database · checked Sep 12, 2026
12	CURVE	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	201-500	230 contacts →
	Indirect evidence “Curve is on a mission to simplify the way people spend, send, see and save money.” Source: RevenueBase Database · checked Sep 12, 2026
13	Lendscape	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	201-500	200 contacts →
	Indirect evidence “For more than four decades, Lendscape has been helping its clients deliver better business financing.” Source: RevenueBase Database · checked Sep 12, 2026
14	ICS Financial Systems - Icsfs	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	201-500	200 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 12, 2026
15	Fintech Farm	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	201-500	193 contacts →
	Partial evidence “Fintech Farm helps traditional banks to create and run digital banks (aka neobanks).” Source: RevenueBase Database · checked Sep 12, 2026
16	Openpayd	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	190 contacts →
	Indirect evidence “OpenPayd is building the universal financial infrastructure for the digital economy.” Source: RevenueBase Database · checked Sep 12, 2026
17	WONGA	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	501-1,000	146 contacts →
	Partial evidence “We are a pioneering international FinTech company, which is disrupting the traditional consumer lending space by providing solutions for “underserved” customers.” Source: RevenueBase Database · checked Sep 12, 2026
18	Cashdirector	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	139 contacts →
	Indirect evidence “CashDirector helps banks attract SME/SMB customers and increase this segment's profitability by offering enriched online banking services.” Source: RevenueBase Database · checked Sep 12, 2026
19	Fimple	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	135 contacts →
	Indirect evidence “The current banking products in the market are complex, hard to onboard manage and expensive to operate.” Source: RevenueBase Database · checked Sep 12, 2026
20	Paynetics	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	132 contacts →
	Indirect evidence “Paynetics is a leader in B2B payments and a digital banking platform provider.” Source: RevenueBase Database · checked Sep 12, 2026
21	Amplifi Capital	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	123 contacts →
	Partial evidence “Amplifi Capital (U.K.) Limited is a FinTech disrupter in near-prime lending.” Source: RevenueBase Database · checked Sep 12, 2026
22	Moneyhub	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	93 contacts →
	Indirect evidence “Moneyhub empowers leading banks, pension providers, wealth managers and insurers to deliver intelligent, personalised financial journeys, driving better outcomes and long-term…” Source: RevenueBase Database · checked Sep 12, 2026
23	Meniga	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	82 contacts →
	Indirect evidence “Meniga is a leading hyper-personalisation banking platform, providing best-in-class user experiences to over 100 million banking customers across 30 countries globally.” Source: RevenueBase Database · checked Sep 12, 2026
24	Flow Global	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	11-50	78 contacts →
	Partial evidence “Flow is a FinTech specifically focused on keeping retail businesses in developing markets flowing.” Source: RevenueBase Database · checked Sep 12, 2026
25	KELP	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	77 contacts →
	Partial evidence “Kelp is a FinTech solution that uniquely combines its in-house predictive technology with 360° private company data-paid, public and proprietary-to support alternative investment…” Source: RevenueBase Database · checked Sep 12, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: fintech software companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names fintech software companies.
Partial evidence: Its own public description names part of fintech software companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name fintech software companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 238 fintech software companies based in London, United Kingdom

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

As of Sep 12, 2026

45.2%Verified-email coverage

3.4%Mobile-number coverage

132.9Average contacts per company

11-50Median size (employees)

Sep 12, 2026Page data refreshed

Companies by employee count

1-10

11-50

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

12,0330–30

2,10631–60

3861–90

1190–180

103180+

Company record updated

Median 58.0d

00–30

15,89831–60

9,61761–90

2,74190–180

3,382180+

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among fintech software companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in London, United Kingdom whose own description of what they do matches “fintech software companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names fintech software companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among fintech software companies, and records with no verified work email. Companies headquartered outside London are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 14,291 across the full list. 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.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names fintech software companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 238 fintech software companies headquartered in London, United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Revolut, headquartered in London, tops this list with the largest team on record.

Which city in the United Kingdom has the most fintech software companies?

London leads the United Kingdom with 202 headquartered companies, followed by Manchester (7) and Leeds (4).

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 14,291 verified decision-maker contacts tracked across these 238 companies.

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 Smart Search, 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.