Company lists · Data refreshed September 2026

Top 22 Nonprofit communications software companies based in the United Kingdom

RevenueBase identified 46 company matches for nonprofit communications software companies associated with the United Kingdom as of September 2026 and tracks 348 professional contacts across them, including 161 with verified work emails and 31 with mobile numbers. London is the largest hub.

This list covers company matches for nonprofit communications software 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 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 Sep 5, 2026 How this list was built
46Companies
348Contacts tracked
161Verified emails
31Mobile numbers
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The 22 largest nonprofit communications software companies based in the United Kingdom

Ranked by team size
Top 22 of 46 company matches for nonprofit communications software companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 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 matchLondon, United KingdomHQ recorded Sep 5, 202651-20061 contacts →

Exact match

“We are a multi-award winning team of 70 experts providing Salesforce.com cloud consultancy software services and apps (Clarity Data Transform, Clarity Gift Aid, Clarity Banking)…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
2Exact matchBristol, United KingdomHQ recorded Sep 5, 202651-20052 contacts →

Exact match

“NTT is where inspiring conversations happen.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 5, 202611-5034 contacts →

Exact match

“We help charities using inadequate, outdated, and overcomplicated technology, to start running like clockwork, by giving them a brilliant CRM.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
4Exact matchStony Stratford, United KingdomHQ recorded Sep 5, 202611-5026 contacts →

Exact match

“We support Christian nonprofit and for-purpose organisations with effective and targeted communications strategies that reach your audiences and engage them in your mission.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
5Exact matchYork, United KingdomHQ recorded Sep 5, 202611-5022 contacts →

Exact match

“Social Sync helps charities raise more through better supporter journeys.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 5, 202611-5018 contacts →

Exact match

“We are a technology company focused on cloud-based solutions helping the not-for-profit sector achieve more to make the world a better place.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
7Exact matchCorsham, United KingdomHQ recorded Sep 5, 20261-1013 contacts →

Exact match

“We help charities grow by providing first-class fundraising and communications services We offer a fully integrated approach to communications and fundraising, pairing strategic…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
8Exact matchBrighton, United KingdomHQ recorded Sep 5, 202611-5012 contacts →

Exact match

“Campaign Collective is a social enterprise which works with organisations to get their voices heard by the people that matter to them.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 5, 20261-107 contacts →

Exact match

“Companies in the UK give roughly £2 billion to the charity sector a year - but they also give much more than money.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
10Exact matchBrentford, United KingdomHQ recorded Sep 5, 202611-507 contacts →

Exact match

“Helping NGO and Charity sector clients maximise their communications effectiveness through the application of smart, cloud-based technologies.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
11Exact matchBradford, United KingdomHQ recorded Sep 5, 20261-106 contacts →

Exact match

“CRM, ticketing, marketing, membership, fundraising, venue management and retail software underpinned by innovation and expertise.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
12Exact matchBirmingham, United KingdomHQ recorded Sep 5, 202611-505 contacts →

Exact match

“The donorflex CRM offers charities a robust platform to streamline their fundraising efforts.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
13Exact matchManchester, United KingdomHQ recorded Sep 5, 202611-505 contacts →

Exact match

“Dynamic website solutions for fundraising and marketing professionals.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
14Exact matchTiverton, United KingdomHQ recorded Sep 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 · Sep 5, 2026 · View company records in RevenueBase
15Exact matchOrpington, United KingdomHQ recorded Sep 5, 20261-104 contacts →

Exact match

“We build software designed around you!”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 5, 20261-104 contacts →

Exact match

“Prismaya CRM is a comprehensive customer relationship management platform designed specifically for charities, nonprofits, and non-governmental organizations (NGOs).”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 5, 20261-103 contacts →

Exact match

“Ethical Team's global team of expert communicators and storytellers help purpose-driven brands drive positive change through every sector by turning brands' sustainability efforts…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
18Exact matchNorwich, United KingdomHQ recorded Sep 5, 20261-102 contacts →

Exact match

“Darlston have been successfully delivering projects for charities and the UK government for over 12 years.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
19Exact matchChipping Norton, United KingdomHQ recorded Sep 5, 202611-502 contacts →

Exact match

“Founded more than two decades ago as Rux Burton Associates, we have worked with over 200 schools, universities and colleges spanning five continents.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
20Exact matchMaidenhead, United KingdomHQ recorded Sep 5, 20261-101 contacts →

Exact match

“Kyle & Irving: Crafting Your Online Success At Kyle & Irving, we specialise in delivering tailored digital solutions that empower businesses and nonprofits to thrive online.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 5, 20261-101 contacts →

Exact match

“SANDRA BAUER LIMITED is a public relations and communications company based out of In the Royal Borough of Greenwich, specialising in not for profit and education sectors, but…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 5, 20261-101 contacts →

Exact match

“Always Marketing was set up to help charities and not-for-profit organisations maximise resources and budgets to achieve their marketing communications goals.”

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

Showing 22 of 46 nonprofit communications software companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 161 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit communications software companies based in the United Kingdom at a glance

As of Sep 5, 2026
46.3%Verified-email coverage
8.9%Mobile-number coverage
7.6Average contacts per company
1-10Median size (employees)
28.3%Largest-city concentration · London
Sep 5, 2026Page data refreshed

Companies by employee count

1-10
32
11-50
12
51-200
2

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 “nonprofit communications software 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 161 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 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 “nonprofit communications software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit communications software companies are there based in the United Kingdom?

RevenueBase identified 46 company matches for nonprofit communications software 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?

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

Which city has the most nonprofit communications software companies?

London leads with 13 company records, followed by Manchester (4) and Norwich (2).

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 161 professional contacts with verified work emails tracked across these 46 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 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.