Company lists · Data refreshed November 2026

Top 14 Fullstack developers based in the United Kingdom

RevenueBase identified 846 company matches for fullstack developers associated with the United Kingdom as of November 2026 and tracks 9,035 professional contacts across them, including 1,425 with verified work emails. London is the largest hub.

This list covers company matches for fullstack 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 November 6, 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 6, 2026 How this list was built
846Companies
9,035Contacts tracked
1,425Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 14 largest fullstack developers based in the United Kingdom

Ranked by team size
Top 14 of 846 company matches for fullstack developers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 Nov 6, 2026501-1,0001,631 contacts →

Exact match

“We leverage the latest web and mobile technologies to build, grow and support your business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200235 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchFarnborough, United KingdomHQ recorded Nov 6, 2026201-500203 contacts →

Exact match

“We build software solutions, partnering with ambitious clients looking to grow by harnessing next-generation technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20085 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20083 contacts →

Exact match

“Timspark is a software development company/hub that creates custom software solutions to fit clients’ business needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20066 contacts →

Exact match

“MLabs Consulting helps to setup project specification, implementation, management and maintenance of technical projects for AI, Fintech, Information Technology and more.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMilton Keynes, United KingdomHQ recorded Nov 6, 202651-20065 contacts →

Exact match

“PODTECH is a software development company with a comprehensive suite of services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLeicester, United KingdomHQ recorded Nov 6, 202651-20056 contacts →

Exact match

“Evolved Ideas is a trusted long-term partner of startups, scale-ups and enterprises.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5053 contacts →

Exact match

“At Innovadel Technologies we pride ourselves on being able to help our clients with all their needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5052 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 · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“Theodo was founded 14 years ago and comprises 700 employees across offices in London, Paris, New York, Casablanca and Cape Town.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSlough, United KingdomHQ recorded Nov 6, 202651-20048 contacts →

Exact match

“Formed in 1986, Avco Systems Ltd has over 40 years of experience in the Software Development sector and provides a range of quality products and services to clients throughout the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5044 contacts →

Exact match

“ZentixSoft is a UK-based software development company helping businesses grow faster with AI, automation, and custom software.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“We are a software development outsourcing company with 9+ years in business and 200+ successful projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 14 of 846 fullstack developers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,425 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Fullstack developers based in the United Kingdom at a glance

As of Nov 6, 2026
15.8%Verified-email coverage
10.7Average contacts per company
1-10Median size (employees)
41.5%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
517
11-50
246
51-200
66
201-500
6
501-1,000
3

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 846 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 “fullstack 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 1,425 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 6, 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.

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

How many fullstack developers are there based in the United Kingdom?

RevenueBase identified 846 company matches for fullstack developers 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?

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

Which city has the most fullstack developers?

London leads with 351 company records, followed by Manchester (30) and Birmingham (21).

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 1,425 professional contacts with verified work emails tracked across these 846 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 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 846 fullstack developers based in the United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

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.