Company lists · Data refreshed September 2026

Top 25 Pro bono digital agencies based in the United Kingdom

Name: Pro bono digital agencies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 869 companies tracked

RevenueBase identified 869 pro bono digital agencies headquartered in the United Kingdom as of September 2026 and tracks 4,633 professional contacts across them, including 1,457 with verified work emails and 329 with mobile numbers. London is the largest hub.

This list covers pro bono digital agencies 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, how directly it supports the match, and when it was last checked. 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 HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review

869Companies

4,633Contacts tracked

1,457Verified emails

329Mobile numbers

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The 25 largest pro bono digital agencies based in the United Kingdom

Ranked by team size

Top 25 of 869 pro bono digital agencies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names pro bono digital agencies: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	ADD PeoplePartial evidence	Altrincham, United KingdomHQ checked Sep 5, 2026	201-500	292
	“We’re Add People, a team of digital marketing professionals dedicated to helping small to medium-sized businesses grow online.” Source: company website · checked Sep 5, 2026
2	Giant Digital B CorpPartial evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	122
	“We’re Giant Digital - a team of passionate problem-solvers who love helping charities and ethical organisations do good.” Source: company website · checked Sep 5, 2026
3	TorchboxPartial evidence	Bristol, United KingdomHQ checked Sep 5, 2026	51-200	120
	“Torchbox is an employee-owned digital agency and a certified B Corp.” Source: company website · checked Sep 5, 2026
4	CIVICPartial evidence	Edinburgh, United KingdomHQ checked Sep 5, 2026	11-50	96
	“We use creative thinking, digital innovation and collaborative problem-solving (and 20 years of know-how) to help our clients communicate better with their audiences and achieve…” Source: company website · checked Sep 5, 2026
5	CantarusPartial evidence	Manchester, United KingdomHQ checked Sep 5, 2026	51-200	77
	“We deliver extraordinary digital experiences that connect people, grow communities, and drive long-term success.” Source: company website · checked Sep 5, 2026
6	StarberryPartial evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	70
	“Starberry is a decentralised global digital agency specialising in brand strategy, web design and lead generation for estate agents, new homes developers and the proptech industry.” Source: company website · checked Sep 5, 2026
7	ClickscoPartial evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	66
	“As a new chapter in our Digital Agency begins, we are also a fantastic place to work, with a reputation for discovering and nurturing some of the finest minds in the business…” Source: company website · checked Sep 5, 2026
8	Engage InteractivePartial evidence	Leeds, United KingdomHQ checked Sep 5, 2026	51-200	64
	“We’re Engage, the digital agency for those that demand attention.” Source: company website · checked Sep 5, 2026
9	YOYOPartial evidence	Tunbridge Wells, United KingdomHQ checked Sep 5, 2026	11-50	64
	“Yoyo is a B Corp certified brand and digital agency dedicated to helping good brands do great things.” Source: company website · checked Sep 5, 2026
10	FAT BeehiveIndirect evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	47
	“Fat Beehive is a specialist charity web design agency that builds beautiful Drupal and Wordpress websites for NGOs, social enterprises and other non-profits.” Source: company website · checked Sep 5, 2026
11	I3mediaIndirect evidence	Peterborough, United KingdomHQ checked Sep 5, 2026	11-50	42
	“i3MEDIA is a premium web design and development agency delivering the very best in quality and service.” Source: company website · checked Sep 5, 2026
12	BIG Blue DoorPartial evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	35
	“Big Blue Door is a web & digital development and hosting agency with substantial experience in designing, developing and maintaining high quality, high impact, open source…” Source: company website · checked Sep 5, 2026
13	KOL LimitedPartial evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	34
	“KOL limited is a full service Digital Agency headquartered in London.” Source: company website · checked Sep 5, 2026
14	B4b MarketingPartial evidence	Poole, United KingdomHQ checked Sep 5, 2026	11-50	33
	“We are one of the South's leading digital communications agencies based in Poole, Dorset.” Source: company website · checked Sep 5, 2026
15	Echo WEB SolutionsPartial evidence	Peterborough, United KingdomHQ checked Sep 5, 2026	11-50	31
	“Since 2012, Echo has helped hundreds of SMEs transform their online presence through awesome website design and tailored digital marketing campaigns.” Source: company website · checked Sep 5, 2026
16	CerealboxIndirect evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	30
	“Are you a fundraiser wanting to increase online donations?” Source: company website · checked Sep 5, 2026
17	The Good MarketerPartial evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	30
	“The Good Marketer is a Digital Marketing Agency based in London which works with SMEs; helping them grow, expand and reach new heights in the digital space.” Source: company website · checked Sep 5, 2026
18	Website Design LTDPartial evidence	Colchester, United KingdomHQ checked Sep 5, 2026	11-50	30
	“Website Design Ltd is a full service digital agency, based in Colchester, Essex.” Source: company website · checked Sep 5, 2026
19	Interactive Technology Corporation ITC UKIndirect evidence	Manchester, United KingdomHQ checked Sep 5, 2026	51-200	26
	“ITC specialises in support services, marketing and software development.” Source: company website · checked Sep 5, 2026
20	First InternetIndirect evidence	Hale, United KingdomHQ checked Sep 5, 2026	11-50	26
	“First Internet benefits from a unique combination of experience and fresh insight.” Source: company website · checked Sep 5, 2026
21	revive.digitalPartial evidence	Southend-on-sea, United KingdomHQ checked Sep 5, 2026	11-50	25
	“Based in Southend-on-Sea, we’re a full-service digital marketing agency that connects the dots between strategy, creative thinking and technical delivery, helping brands show up…” Source: company website · checked Sep 5, 2026
22	Forward ActionPartial evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	25
	“We exist to help progressive causes do digital that touches hearts and drives action.” Source: company website · checked Sep 5, 2026
23	Insight Group MarketingPartial evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	25
	“Creative digital agency, passionate about promoting brands online with effective campaigns that deliver results.” Source: company website · checked Sep 5, 2026
24	Affinity AgencyIndirect evidence	Norwich, United KingdomHQ checked Sep 5, 2026	11-50	24
	“Affinity is a fully integrated award winning agency.” Source: company website · checked Sep 5, 2026
25	Moore-Wilson NEW MediaPartial evidence	Salisbury, United KingdomHQ checked Sep 5, 2026	11-50	24
	“Moore-Wilson is a digital agency based in London and Salisbury.” Source: company website · checked Sep 5, 2026

Showing 25 of 869 pro bono digital agencies based in the United Kingdom

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Pro bono digital agencies based in the United Kingdom at a glance

As of Sep 5, 2026

1-10Median size (employees)

LondonLargest hub · 239 HQs

329Contacts with mobile numbers

Sep 5, 2026Data refreshed

Companies by employee count

1-10

660

11-50

177

51-200

201-500

1,001-5,000

10001+

Verified emails by last verification

0–30

1,369

31–60

61–90

90–180

180+

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 pro bono digital agencies, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, 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 “pro bono digital agencies”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among pro bono digital agencies, 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 an evidence 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, 1,457 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 5, 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.

Pro bono digital agencies by metro

Pro bono digital agencies in London239
Pro bono digital agencies in Birmingham27

Frequently asked

How many pro bono digital agencies are there based in the United Kingdom?

RevenueBase identified 869 pro bono digital agencies 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?

ADD People, headquartered in Altrincham, tops this list with the largest team on record.

Which city has the most pro bono digital agencies?

London leads with 239 headquartered companies, followed by Birmingham (27) and Manchester (24).

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 1,457 verified decision-maker contacts tracked across these 869 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 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.