Company lists · Data refreshed November 2026

Top 19 Web development companies for fintech based in the United Kingdom

Name: Web development companies for fintech based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 372 companies tracked

RevenueBase identified 372 company matches for web development companies for fintech associated with the United Kingdom as of November 2026 and tracks 2,613 professional contacts across them, including 673 with verified work emails. London is the largest hub.

This list covers company matches for web development companies for fintech associated with the 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 November 5, 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 Nov 5, 2026 How this list was built

372Companies

2,613Contacts tracked

673Verified emails

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The 19 largest web development companies for fintech based in the United Kingdom

Ranked by team size

Top 19 of 372 company matches for web development companies for fintech based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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	SOSUV	Exact match	London, United KingdomHQ recorded Nov 5, 2026	51-200	81 contacts →
	Exact match “Sosuv is a capital markets technology company building next generation software for trading infrastructure, FIX connectivity, and AI powered automation.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Primafelicitas	Exact match	London, United KingdomHQ recorded Nov 5, 2026	51-200	81 contacts →
	Exact match “Started in 2013 with offices in San Francisco, London, and Delhi, PrimaFelicitas is a bleeding-edge Custom Software development company at the forefront of core end-to-end Web3…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	KITE	Exact match	Oxford, United KingdomHQ recorded Nov 5, 2026	n/a	75 contacts →
	Exact match “Kite is an internet development consultancy.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	M&m Fintech Limited	Exact match	Liverpool Street, United KingdomHQ recorded Nov 5, 2026	11-50	39 contacts →
	Exact match “M&M Fintech is a fintech innovation studio providing a complete service from design and architecture to the software development implementation.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	Fintark Limited	Exact match	London, United KingdomHQ recorded Nov 5, 2026	11-50	30 contacts →
	Exact match “FinTark is now part of capSpire, a global technology consulting firm serving energy and commodities organizations across the trading value chain.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Invatechs	Exact match	Salford, United KingdomHQ recorded Nov 5, 2026	11-50	27 contacts →
	Exact match “WHO WE ARE: We are a team of keen on JavaScript/Node.js developers.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Consectus Limited	Exact match	Maidenhead, United KingdomHQ recorded Nov 5, 2026	11-50	23 contacts →
	Exact match “Consectus is a Fintech company created with the prime objective of enabling cost effective mobile and online solutions for the Banking & Financial Services Industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Kayo Digital	Exact match	Sittingbourne, United KingdomHQ recorded Nov 5, 2026	11-50	17 contacts →
	Exact match “We build high performing websites for companies looking to grow and innovate.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	SI Digital	Exact match	Southsea, United KingdomHQ recorded Nov 5, 2026	11-50	17 contacts →
	Exact match “We design and build websites and apps that bring clarity, efficiency, and brand impact to ambitious global businesses.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Sofitect	Exact match	London, United KingdomHQ recorded Nov 5, 2026	11-50	17 contacts →
	Exact match “Sofitect is a global technology consulting company helping enterprises and startups build, launch, and scale digital products.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	waat.eu	Exact match	London, United KingdomHQ recorded Nov 5, 2026	11-50	16 contacts →
	Exact match “WAAT is a multi-talented team of developers, engineers, designers and marketing experts with a vast wealth of experience in delivering websites, systems and apps.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Dcodeit LTD	Exact match	London, United KingdomHQ recorded Nov 5, 2026	11-50	14 contacts →
	Exact match “We’re a digital design and development studio that have been transforming the way major financial institutions and enterprises work, think and perform for 10+ years.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	IB Boost	Exact match	London, United KingdomHQ recorded Nov 5, 2026	11-50	14 contacts →
	Exact match “IB Boost was founded to provide better solutions to common problems in technology.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	Opentecc	Exact match	London, United KingdomHQ recorded Nov 5, 2026	1-10	14 contacts →
	Exact match “Opentecc is a specialized technology company that builds innovative web and mobile applications.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	CORE	Exact match	Cardiff, United KingdomHQ recorded Nov 5, 2026	11-50	12 contacts →
	Exact match “Web, brand design and digital marketing, working as one integrated team.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	Inspiration Tech	Exact match	London, United KingdomHQ recorded Nov 5, 2026	11-50	11 contacts →
	Exact match “At Inspiration Tech, we're more than consultants- builders, creators, and innovators.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Esoft Response	Exact match	London, United KingdomHQ recorded Nov 5, 2026	11-50	11 contacts →
	Exact match “About Us We design and build Websites, Mobile Apps and Software Applications providing an affordable solution for all your online business needs with many years of expertise to…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	IORYS	Exact match	Manchester, United KingdomHQ recorded Nov 5, 2026	11-50	9 contacts →
	Exact match “Banking Platform and Payment Gateway for FinTech Industry” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	SPORK	Exact match	London, United KingdomHQ recorded Nov 5, 2026	11-50	8 contacts →
	Exact match “We build websites, apps, APIs and digital products that solve the hairy problems, fuel real growth, and make you look suspiciously brilliant.” Recorded in the RevenueBase company graph · Nov 5, 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 “web development companies for fintech”. 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 19 of 372 web development companies for fintech based in the United Kingdom

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Web development companies for fintech based in the United Kingdom at a glance

As of Nov 5, 2026

25.8%Verified-email coverage

7.0Average contacts per company

1-10Median size (employees)

39.5%Largest-city concentration · London

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

262

11-50

51-200

201-500

501-1,000

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 372 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 the United Kingdom whose business descriptions match “web development companies for fintech” 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 673 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 November 5, 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.

Web development companies for fintech by metro

Web development companies for fintech in London147

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 “web development companies for fintech”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many web development companies for fintech are there based in the United Kingdom?

RevenueBase identified 372 company matches for web development companies for fintech associated with the United Kingdom as of November 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?

SOSUV tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most web development companies for fintech?

London leads with 147 company records, followed by Manchester (11) and Birmingham (5).

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 673 professional contacts with verified work emails tracked across these 372 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 November 5, 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.