Company lists · Data refreshed September 2026

Top 25 IT consulting for membership driven associations based in the United Kingdom

Name: IT consulting for membership driven associations based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 91 companies tracked

RevenueBase identified 91 IT consulting for membership driven associations headquartered in the United Kingdom as of September 2026 and tracks 712 professional contacts across them, including 347 with verified work emails. London is the largest hub.

This list covers IT consulting for membership driven associations headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review

91Companies

712Contacts tracked

347Verified emails

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The 25 largest IT consulting for membership driven associations based in the United Kingdom

Ranked by team size

Top 25 of 91 IT consulting for membership driven associations based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to IT consulting for membership driven associations: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Pixl8 Group	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	76 contacts →
	Partial evidence “Award-winning membership websites, platforms and system integrations.” Source: RevenueBase Database · checked Sep 21, 2026
2	Smartimpact	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	68 contacts →
	Indirect evidence “At smartimpact, we thrive on making great technology work for amazing organisations.” Source: RevenueBase Database · checked Sep 21, 2026
3	Bluelight	Strong evidence	West Malling, United KingdomHQ checked Sep 21, 2026	11-50	45 contacts →
	Strong evidence “Bluelight is an employee-owned technology partner for membership organisations, professional bodies and trade associations.” Source: RevenueBase Database · checked Sep 21, 2026
4	Wattle	Partial evidence	Bristol, United KingdomHQ checked Sep 21, 2026	11-50	40 contacts →
	Partial evidence “Wattle partners with membership organisations to deliver successful digital transformation through the deployment of MemEx – our Membership Experience Platform.” Source: RevenueBase Database · checked Sep 21, 2026
5	Zentso	Strong evidence	London, United KingdomHQ checked Sep 21, 2026	11-50	34 contacts →
	Strong evidence “At Zentso, we specialise in helping membership organisations, associations, and unions get the most from their CRM.” Source: RevenueBase Database · checked Sep 21, 2026
6	Silverbear	Partial evidence	Guildford, United KingdomHQ checked Sep 21, 2026	51-200	34 contacts →
	Partial evidence “Silverbear is proud to be the leading Microsoft partner for membership organisations in the UK and Ireland.” Source: RevenueBase Database · checked Sep 21, 2026
7	APT Solutions LTD	Strong evidence	Telford, United KingdomHQ checked Sep 21, 2026	51-200	26 contacts →
	Strong evidence “APT provide specialist membership management software and administration services specifically designed for associations to improve engagement with members and enhance back-office…” Source: RevenueBase Database · checked Sep 21, 2026
8	OOMI	Partial evidence	Epsom, United KingdomHQ checked Sep 21, 2026	51-200	25 contacts →
	Partial evidence “oomi - complete membership management.” Source: RevenueBase Database · checked Sep 21, 2026
9	Cantata	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	11-50	25 contacts →
	Indirect evidence “Cantata is the UK’s leading independent CRM specialist consultancy, helping organisations to gain the most from customer and stakeholder management.” Source: RevenueBase Database · checked Sep 21, 2026
10	Veryconnect	Partial evidence	Glasgow, United KingdomHQ checked Sep 21, 2026	11-50	20 contacts →
	Partial evidence “Most membership teams are running on tools that were never built for them.” Source: RevenueBase Database · checked Sep 21, 2026
11	Trillium	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	11-50	17 contacts →
	Partial evidence “Experience Matters Trillium delivers digital transformation for membership and charity organisations.” Source: RevenueBase Database · checked Sep 21, 2026
12	Brightminded LTD	Partial evidence	Hove, United KingdomHQ checked Sep 21, 2026	11-50	15 contacts →
	Partial evidence “BrightMinded is a complete digital solutions provider for membership organisations with over a decade of experience in the field.” Source: RevenueBase Database · checked Sep 21, 2026
13	Ofec Consulting LTD	Strong evidence	Oxford, United KingdomHQ checked Sep 21, 2026	1-10	15 contacts →
	Strong evidence “OFEC are passionate about delivering fabulous membership management systems for Associations, Societies and Trade Associations.” Source: RevenueBase Database · checked Sep 21, 2026
14	AEVUS	Indirect evidence	Abergele, United KingdomHQ checked Sep 21, 2026	11-50	13 contacts →
	Indirect evidence “Aevus is a pioneering digital solutions provider, transforming how organizations engage, manage, and grow their communities.” Source: RevenueBase Database · checked Sep 21, 2026
15	Cursor	Indirect evidence	Lincoln, United KingdomHQ checked Sep 21, 2026	1-10	13 contacts →
	Indirect evidence “Cursor helps organisations connect with members, employees and customers at scale through bespoke website, software and app development.” Source: RevenueBase Database · checked Sep 21, 2026
16	Suru Partners	Indirect evidence	Coventry, United KingdomHQ checked Sep 21, 2026	11-50	12 contacts →
	Indirect evidence “Suru Partners is a software consultancy and development agency that creates, configures and connects the right digital tools to help non-profits increase their impact.” Source: RevenueBase Database · checked Sep 21, 2026
17	Hall Associates	Strong evidence	Wadebridge, United KingdomHQ checked Sep 21, 2026	11-50	12 contacts →
	Strong evidence “Leading edge member recruitment, retention and growth for Professional Bodies, Trade Associations, Societies, Charities and Clubs and other organisations with a membership base.” Source: RevenueBase Database · checked Sep 21, 2026
18	The Consultancy Growth Network	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	1-10	11 contacts →
	Indirect evidence “The Consultancy Growth Network helps consultancy leaders grow more profitable, more valuable firms.” Source: RevenueBase Database · checked Sep 21, 2026
19	Millertech	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	10 contacts →
	Indirect evidence “Millertech are a CRM specialist who have been working with NFP organisations for over 30 years.” Source: RevenueBase Database · checked Sep 21, 2026
20	Ifinity For Imis And Agentz	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	11-50	9 contacts →
	Partial evidence “iFINITY Ltd, the expert technology partner for associations, professional societies and not-for-profits.” Source: RevenueBase Database · checked Sep 21, 2026
21	Membership Matters The Leading Membership Research Consultancy	Strong evidence	London, United KingdomHQ checked Sep 21, 2026	1-10	8 contacts →
	Strong evidence “Membership Matters is the leading research consultancy to the membership sector, providing strategic research and consultancy services to UK and global associations since 2010.” Source: RevenueBase Database · checked Sep 21, 2026
22	Copper BAY Digital	Partial evidence	Swansea, United KingdomHQ checked Sep 21, 2026	1-10	7 contacts →
	Partial evidence “The Membership Engagement Agency Helping you Attract, Engage and Retain Members” Source: RevenueBase Database · checked Sep 21, 2026
23	Intercloud9	Indirect evidence	Birmingham, United KingdomHQ checked Sep 21, 2026	1-10	7 contacts →
	Indirect evidence “Sign up to our free newsletter for updates on AI readiness, webinars, events and important industry news: - The effective leveraging of technology has become critical to meeting…” Source: RevenueBase Database · checked Sep 21, 2026
24	Chrysalis Digital	Partial evidence	Fordingbridge, United KingdomHQ checked Sep 21, 2026	1-10	7 contacts →
	Partial evidence “Chrysalis Digital specialises in providing digital transformation services for membership and NFP organisations.” Source: RevenueBase Database · checked Sep 21, 2026
25	Subscribercrm	Partial evidence	Tilbury, United KingdomHQ checked Sep 21, 2026	1-10	6 contacts →
	Partial evidence “Dataware are the leading authority in contact and membership management software.” Source: RevenueBase Database · checked Sep 21, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: IT consulting for membership driven associations. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names IT consulting for membership driven associations.
Partial evidence: Its own public description names part of IT consulting for membership driven associations, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name IT consulting for membership driven associations. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 91 IT consulting for membership driven associations based in the United Kingdom

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IT consulting for membership driven associations based in the United Kingdom at a glance

As of Sep 21, 2026

48.7%Verified-email coverage

7.8Average contacts per company

1-10Median size (employees)

28.6%Largest-city concentration · London

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

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 91 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among IT consulting for membership driven associations, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United Kingdom whose own description of what they do matches “IT consulting for membership driven associations”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names IT consulting for membership driven associations), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among IT consulting for membership driven associations, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 347 across the full list. 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 21, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

IT consulting for membership driven associations by metro

IT consulting for membership driven associations in London26

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names IT consulting for membership driven associations, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many IT consulting for membership driven associations are there based in the United Kingdom?

RevenueBase identified 91 IT consulting for membership driven associations headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Pixl8 Group, headquartered in London, tops this list with the largest team on record.

Which city has the most IT consulting for membership driven associations?

London leads with 26 headquartered companies, followed by Bristol (2) and Gloucester (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 347 verified decision-maker contacts tracked across these 91 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 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 Smart Search, 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.