Company lists · Data refreshed September 2026

Top 24 Custom web application developers based in the United Kingdom

Name: Custom web application developers based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 1,614 companies tracked

RevenueBase identified 1,614 company matches for custom web application developers associated with the United Kingdom as of September 2026 and tracks 8,228 professional contacts across them, including 1,347 with verified work emails. London is the largest hub.

This list covers company matches for custom web application developers 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 September 19, 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 19, 2026 How this list was built

1,614Companies

8,228Contacts tracked

1,347Verified emails

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The 24 largest custom web application developers based in the United Kingdom

Ranked by team size

Top 24 of 1,614 company matches for custom web application developers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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	Dotsquares	Exact match	London, United KingdomHQ recorded Sep 19, 2026	501-1,000	1,581 contacts →
	Exact match “We leverage the latest web and mobile technologies to build, grow and support your business.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	KRIFY	Exact match	London, United KingdomHQ recorded Sep 19, 2026	51-200	221 contacts →
	Exact match “Krify is a results-driven technology company specializing in crafting user-centric mobile apps, web applications, and software solutions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	MTC	Exact match	Dundee, United KingdomHQ recorded Sep 19, 2026	51-200	214 contacts →
	Exact match “Formed in and based in Dundee with offices in Edinburgh and Europe, mtc.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	Staxo Group	Exact match	Richmond, United KingdomHQ recorded Sep 19, 2026	51-200	45 contacts →
	Exact match “Staxo Group is a Web Design and Development consulting company based out of Oriel House, 26 The Quadrant, Richmond, United Kingdom.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	Unibrix	Exact match	London, United KingdomHQ recorded Sep 19, 2026	51-200	44 contacts →
	Exact match “Unibrix provides web and app development services for clients all over the world.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6	Enigma Interactive	Exact match	Newcastle Upon Tyne, United KingdomHQ recorded Sep 19, 2026	11-50	43 contacts →
	Exact match “Enigma Interactive is an award-winning specialist digital development agency.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	Webahead Internet	Exact match	Darlington, United KingdomHQ recorded Sep 19, 2026	11-50	33 contacts →
	Exact match “Give your business what it deserves and let Webahead deliver the site you really want.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	ARCH	Exact match	Gateshead, United KingdomHQ recorded Sep 19, 2026	11-50	30 contacts →
	Exact match “We design and build apps, websites & and backend software for SMEs and disruptive startups.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	AK Solutions	Exact match	Newcastle Upon Tyne, United KingdomHQ recorded Sep 19, 2026	51-200	30 contacts →
	Exact match “AK Solutions provide web development, designing and web hosting We are also taking projects of iOS development & designing, just click on the chat icon below to discuss your…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	Incode Systems Web, Mobile & AI Product Development	Exact match	London, United KingdomHQ recorded Sep 19, 2026	11-50	28 contacts →
	Exact match “We are a software development company that designs, develops, and deploys software solutions for organizations across industries.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11	D3r	Exact match	Chichester, United KingdomHQ recorded Sep 19, 2026	11-50	26 contacts →
	Exact match “D3R are a leading digital agency with a proven track record.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	Lyles Sutherland	Exact match	Edinburgh, United KingdomHQ recorded Sep 19, 2026	11-50	24 contacts →
	Exact match “We are an Edinburgh based website design and bespoke cloud software development company.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	BFI	Exact match	Milnthorpe, United KingdomHQ recorded Sep 19, 2026	11-50	24 contacts →
	Exact match “BFI is a multi disciplined agency and works in close partnership with all our clients to deliver easy to use, cost effective solutions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	Safetech LTD	Exact match	Rayleigh, United KingdomHQ recorded Sep 19, 2026	11-50	24 contacts →
	Exact match “Our websites exceed our client’s expectations.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	Techcinity	Exact match	Birmingham, United KingdomHQ recorded Sep 19, 2026	51-200	21 contacts →
	Exact match “At Techcinity, our digital creations transcend mere platforms; they're expressions of artistry and novelty.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	Webpro	Exact match	Edgware, United KingdomHQ recorded Sep 19, 2026	11-50	20 contacts →
	Exact match “WEBPRO is made up of a team of highly talented web professionals with the kind of intuitive, analytical and resourceful mindsets that delight our clients every single day.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Probase	Exact match	Camberley, United KingdomHQ recorded Sep 19, 2026	11-50	20 contacts →
	Exact match “Probase develop bespoke software solutions using the latest technologies to give your business greater control and confidence in your business processes.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	Serial Affinity	Exact match	Glasgow, United KingdomHQ recorded Sep 19, 2026	11-50	19 contacts →
	Exact match “We are more than a traditional web development company or design agency.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	Scorchsoft LTD	Exact match	England, United KingdomHQ recorded Sep 19, 2026	11-50	19 contacts →
	Exact match “Scorchsoft helps you to deliver innovative, technically complex projects, using the latest web and mobile application development technologies.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	Fastfwd	Exact match	Birmingham, United KingdomHQ recorded Sep 19, 2026	11-50	19 contacts →
	Exact match “A premium Digital Agency producing websites, internet applications and mobile apps.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	Webermelon	Exact match	London, United KingdomHQ recorded Sep 19, 2026	11-50	19 contacts →
	Exact match “Webermelon is a website & software development company for your SaaS, PaaS and WordPress websites.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	Softexpoit	Exact match	London, United KingdomHQ recorded Sep 19, 2026	11-50	18 contacts →
	Exact match “Softexpoit's team of experts combines technical expertise and creativity to develop custom software, mobile app, and web app solutions that meet your specific business/official…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	Vsourz	Exact match	London, United KingdomHQ recorded Sep 19, 2026	201-500	17 contacts →
	Exact match “Vsourz is an international technology partner helping organisations turn digital ambition into production-ready outcomes.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24	Appoly	Exact match	Royal Leamington Spa, United KingdomHQ recorded Sep 19, 2026	11-50	17 contacts →
	Exact match “Appoly is a leading web and mobile app development studio based in Royal Leamington Spa.” Recorded in the RevenueBase company graph · Sep 19, 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 “custom web application 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 1,614 custom web application developers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,347 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Custom web application developers based in the United Kingdom at a glance

As of Sep 19, 2026

16.4%Verified-email coverage

5.1Average contacts per company

1-10Median size (employees)

30.0%Largest-city concentration · London

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

1,235

11-50

310

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 1,614 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 “custom web application 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 1,347 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 19, 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.

Custom web application developers by metro

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 “custom web application developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many custom web application developers are there based in the United Kingdom?

RevenueBase identified 1,614 company matches for custom web application developers associated with the 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?

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

Which city has the most custom web application developers?

London leads with 484 company records, followed by Manchester (44) and Birmingham (34).

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 1,347 professional contacts with verified work emails tracked across these 1,614 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 19, 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.