Company lists · Data refreshed November 2026

Top 9 Pro bono software developers based in the United Kingdom

RevenueBase identified 25 company matches for pro bono software developers associated with the United Kingdom as of November 2026 and tracks 80 professional contacts across them, including 37 with verified work emails. London is the largest hub.

This list covers company matches for pro bono software 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 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
25Companies
80Contacts tracked
37Verified emails
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The 9 largest pro bono software developers based in the United Kingdom

Ranked by team size
Top 9 of 25 company matches for pro bono software developers 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBirmingham, United KingdomHQ recorded Nov 5, 202611-5021 contacts →

Exact match

“Dedicated to creating technology to make the world a better place.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-509 contacts →

Exact match

“Gallery Partnership provides an entire suite of affordable IT services and software systems, empowering charities to focus on what’s most important - their cause.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchTiverton, United KingdomHQ recorded Nov 5, 20261-105 contacts →

Exact match

“Third Sector Design has a strong track record of helping non profits and political organisations maximise their impact through web technologies, having worked with over 50 clients…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchShoreham-by-sea, United KingdomHQ recorded Nov 5, 20261-104 contacts →

Exact match

“We help you make more impact on the world for yourself and for your customers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchReading, United KingdomHQ recorded Nov 5, 20261-103 contacts →

Exact match

“Porism develops software to oil the wheels of democracy and make it easier for public bodies to enrich communities and the places where people live.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Nov 5, 20261-103 contacts →

Exact match

“Not for profit Charity empowering people across the digital divide with ethical commitment and local focus.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchEastleigh, United KingdomHQ recorded Nov 5, 20261-102 contacts →

Exact match

“At Lewis Digital, we empower small to medium-sized businesses across the UK to reach their full potential through bespoke, highly adaptable software solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-502 contacts →

Exact match

“Welcome to Humanics Lab LBG, an organisation dedicated to making a difference in the lives of individuals and communities through cutting-edge research, digital services, training…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchBraintree, United KingdomHQ recorded Nov 5, 20261-101 contacts →

Exact match

“Wave2 Limited was founded back in with the intention of providing custom solutions for small businesses.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 9 of 25 pro bono software developers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 37 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Pro bono software developers based in the United Kingdom at a glance

As of Nov 5, 2026
46.2%Verified-email coverage
3.2Average contacts per company
1-10Median size (employees)
36.0%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
20
11-50
4

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 25 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 “pro bono software 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 37 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.

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

How many pro bono software developers are there based in the United Kingdom?

RevenueBase identified 25 company matches for pro bono software 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?

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

Which city has the most pro bono software developers?

London leads with 9 company records, followed by Glasgow (2) and Birmingham (1).

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 37 professional contacts with verified work emails tracked across these 25 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.