Company lists · Data refreshed September 2026

Top 25 Charity digital marketing agencies based in London, United Kingdom

Name: Charity digital marketing agencies based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 23, 2026 901 companies tracked

RevenueBase identified 901 company matches for charity digital marketing agencies associated with London, United Kingdom as of September 2026 and tracks 5,666 professional contacts across them, including 633 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for charity digital marketing agencies associated with London, 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 23, 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 23, 2026 How this list was built

901Companies

5,666Contacts tracked

633Verified emails

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The 25 largest charity digital marketing agencies based in London, United Kingdom

Ranked by team size

Top 25 of 901 company matches for charity digital marketing agencies based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 23, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Investis Digital	Exact match	London, United KingdomHQ recorded Sep 23, 2026	501-1,000	158 contacts →
	Exact match “IDX (formerly Investis Digital) specializes in elevating companies and brands and maximizing technology to build strong, relatable, and authentic connections with their audiences.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
2	Giant Digital B Corp	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	122 contacts →
	Exact match “We’re Giant Digital - a team of passionate problem-solvers who love helping charities and ethical organisations do good.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
3	E Intelligence	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	117 contacts →
	Exact match “e intelligence is a renowned global leader in the digital marketing space.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
4	Smartimpact	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	68 contacts →
	Exact match “At smartimpact, we thrive on making great technology work for amazing organisations.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
5	Enthuse	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	66 contacts →
	Exact match “Enthuse is transforming digital fundraising by putting charities first.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
6	FAT Beehive	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	47 contacts →
	Exact match “Fat Beehive is a specialist charity web design agency that builds beautiful Drupal and Wordpress websites for NGOs, social enterprises and other non-profits.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
7	Beautiful Digital	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	44 contacts →
	Exact match “Beautiful Digital is a full service digital marketing agency.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
8	Nettrackers	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	36 contacts →
	Exact match “At NetTrackers, we're more than just a company - we're your partners in progress.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
9	Bluedot Agency	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	34 contacts →
	Exact match “A disruptive, full-service, award-winning digital marketing & advertising agency for contemporary businesses, specialising in performance marketing, content marketing…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
10	Bird Marketing	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	33 contacts →
	Exact match “Bird UK - bird.co.uk Bird UAE - bird.ae Bird USA - bird.marketing Bird Marketing, an award-winning digital marketing agency, is a beacon of excellence in the digital landscape.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
11	RFZ Digital	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	31 contacts →
	Exact match “Step into the dynamic realm of digital innovation and creativity at RFZ Digital.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
12	Cerealbox	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	30 contacts →
	Exact match “Are you a fundraiser wanting to increase online donations?” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
13	Prominence Marketing Specialists For Recruitment Agencies	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	29 contacts →
	Exact match “Prominence was founded out of the desire to help those in the recruitment sector respond to changes in consumer behaviour, namely the shift towards digital marketing and social…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
14	KAU Media Group	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	27 contacts →
	Exact match “KAU Media Group is a full service media agency that deliver compelling digital marketing solutions.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
15	Ceek Marketing	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	26 contacts →
	Exact match “CEEK is a strategic digital marketing agency that believes in the power of digital channels to increase revenue by utilising our specialist in-house resources in social media…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
16	Insight Group Marketing	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	25 contacts →
	Exact match “Creative digital agency, passionate about promoting brands online with effective campaigns that deliver results.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
17	Charity Digital	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	23 contacts →
	Exact match “Charity Digital is a registered UK charity We exist to help other charities use digital to become more successful.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
18	UWP Group	Exact match	London, United KingdomHQ recorded Sep 23, 2026	1-10	22 contacts →
	Exact match “No BS digital marketing.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
19	UNE Forte	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	19 contacts →
	Exact match “Une Forte is a leading digital marketing agency.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
20	Empower Agency	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	18 contacts →
	Exact match “Empower is a strategic digital comms agency for causes creating impact around the world.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
21	Ten4	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	17 contacts →
	Exact match “We design and deliver operationally-critical digital platforms for charities, visitor attractions, and arts & culture organisations.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
22	FSE Digital	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	16 contacts →
	Exact match “At FSE Digital, we love helping ambitious SMEs grow.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
23	Marketing Essentials LAB	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	16 contacts →
	Exact match “As more brands compete for users' attention online, Marketing Essentials Lab helps you stand out.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
24	Dona Donations	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	16 contacts →
	Exact match “We help charitable organisations supercharge, streamline and future-proof their fundraising, with contactless, card and online giving donation technologies.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
25	Roitiv Group LTD	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	16 contacts →
	Exact match “Roitiv Group është kompani e specializuar për marketing digjital, menaxhim të rrjeteve sociale, zhvillim te web-it dhe dizajn & brendim, që brenda vetëm një viti të operimit në…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “charity digital marketing agencies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 901 charity digital marketing agencies based in London, United Kingdom

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Charity digital marketing agencies based in London, United Kingdom at a glance

As of Sep 23, 2026

11.2%Verified-email coverage

6.3Average contacts per company

1-10Median size (employees)

Sep 23, 2026Page data refreshed

Companies by employee count

1-10

634

11-50

221

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 901 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 London, United Kingdom whose business descriptions match “charity digital marketing agencies” 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 633 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 23, 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.

Charity digital marketing agencies by metro in the United Kingdom

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 “charity digital marketing agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many charity digital marketing agencies are there based in London, United Kingdom?

RevenueBase identified 901 company matches for charity digital marketing agencies associated with London, 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?

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

Which city in the United Kingdom has the most charity digital marketing agencies?

London leads the United Kingdom with 901 company records, followed by Manchester (109) and Birmingham (76).

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 633 professional contacts with verified work emails tracked across these 901 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 23, 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.