Company lists · Data refreshed September 2026

Top 25 Full stack development companies based in the United Kingdom

RevenueBase identified 299 company matches for full stack development companies associated with the United Kingdom as of September 2026 and tracks 1,551 professional contacts across them, including 203 with verified work emails. London is the largest hub.

This list covers company matches for full stack development companies 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 20, 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 20, 2026 How this list was built
299Companies
1,551Contacts tracked
203Verified emails
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The 25 largest full stack development companies based in the United Kingdom

Ranked by team size
Top 25 of 299 company matches for full stack development companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 Sep 20, 202651-20092 contacts →

Exact match

“Mad Devs is a London-headquartered full-stack IT company developing enterprise-grade software solutions for businesses in finance, transport and logistics, security, education…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5055 contacts →

Exact match

“Aircury offers high quality software development for the education and non-profit sectors We specialise in- Full-stack application development for web and mobile- API and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-20039 contacts →

Exact match

“DevGrid was Founded in 2015 by a group of seasoned tech entrepreneurs on a mission to make outsourced product development a positive and productive experience.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchChilton Polden, United KingdomHQ recorded Sep 20, 2026n/a35 contacts →

Exact match

“Currently based near Bristol UK with over 10 years experience in full-stack web application development working with businesses of all sizes including start-ups, creative…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchGateshead, United KingdomHQ recorded Sep 20, 202611-5030 contacts →

Exact match

“We design and build apps, websites & and backend software for SMEs and disruptive startups.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5029 contacts →

Exact match

“Mobile & Web Digital Solutions for Startups & Businesses Count on TopDevs full-cycle mobile app and web development outsourcing services or hire the IT experts you need to augment…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchGuildford, United KingdomHQ recorded Sep 20, 202651-20029 contacts →

Exact match

“Software Planet Group (SPG) is a UK-based custom software company out of Guildford.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchSwindon, United KingdomHQ recorded Sep 20, 20261-1020 contacts →

Exact match

“Elev8AI is a global leader in software development, providing a comprehensive suite of services tailored to meet the evolving needs of businesses across various industries.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchLiverpool, United KingdomHQ recorded Sep 20, 20261-1018 contacts →

Exact match

“Web based software development.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5015 contacts →

Exact match

“Toimi is a leader in web and mobile development, with more than 8 years of experience in crafting software solutions for small to medium-sized businesses and enterprise-level…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchSouthsea, United KingdomHQ recorded Sep 20, 202611-5013 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 · Sep 20, 2026 · View company records in RevenueBase
12Exact matchReading, United KingdomHQ recorded Sep 20, 202611-5013 contacts →

Exact match

“Welcome KloudStack!”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5011 contacts →

Exact match

“Frugalnova is a dominant name in the world of Website and Mobile Application development.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 20, 2026201-50011 contacts →

Exact match

“International Development Resources is a US and UK-based software development company offering full-stack digital solutions for business and staff augmentation through outsourcing…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchLeeds, United KingdomHQ recorded Sep 20, 20261-1010 contacts →

Exact match

“DRS is a specialist software development and consulting firm focused on high performance web applications, data analytics and application modernisation.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchPembroke Dock, United KingdomHQ recorded Sep 20, 20261-107 contacts →

Exact match

“Kew Consulting helps busy individuals and companies realise their potential.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchBristol, United KingdomHQ recorded Sep 20, 202611-506 contacts →

Exact match

“At Spydr, we design and develop high-performing digital solutions that help ambitious businesses accelerate growth and stand out in their industries.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-506 contacts →

Exact match

“Think of us as your product partner, your product studio, or as your full-stack app development agency.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchDouglas, United KingdomHQ recorded Sep 20, 20261-106 contacts →

Exact match

“At Webstartiom, we create custom software solutions to meet your unique business needs.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchSaffron Walden, United KingdomHQ recorded Sep 20, 20261-104 contacts →

Exact match

“Full stack software development for start-ups and small businesses.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchNorthampton, United KingdomHQ recorded Sep 20, 202611-504 contacts →

Exact match

“Full Metal Software's mission is to make a difference to people and their businesses by providing all our customers with the best web applications and associated services to meet…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 20, 20261-104 contacts →

Exact match

“SmartBee,(Smart Bee Software Solutions Ltd.) majorly focuses on consultancy services for Architectural Software Designs and Full-Stack Software Development in technologies like…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchBourne, United KingdomHQ recorded Sep 20, 20261-103 contacts →

Exact match

“Devopa provides web development services to both local and global businesses.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchEdinburgh, United KingdomHQ recorded Sep 20, 20261-103 contacts →

Exact match

“Starbit has been carefully crafting innovative websites since 2005.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchLeicester, United KingdomHQ recorded Sep 20, 202651-2003 contacts →

Exact match

“We provide comprehensive software development and continuous support throughout the entire development process, from brainstorming to integration with your existing software to…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 299 full stack development companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 203 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Full stack development companies based in the United Kingdom at a glance

As of Sep 20, 2026
13.1%Verified-email coverage
5.2Average contacts per company
1-10Median size (employees)
40.8%Largest-city concentration · London
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
218
11-50
63
51-200
11
201-500
3
501-1,000
1

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 299 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 “full stack development companies” 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 203 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 20, 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 “full stack development companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many full stack development companies are there based in the United Kingdom?

RevenueBase identified 299 company matches for full stack development companies 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?

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

Which city has the most full stack development companies?

London leads with 122 company records, followed by Manchester (13) and Birmingham (10).

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 203 professional contacts with verified work emails tracked across these 299 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 20, 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.