Private company

Wikimedia UK

Logo: logo was designed by w:User:Neolux , modified for the UK chapter by James F. ., CC BY-SA 3.0, via Wikimedia Commons³

Charity and chapter of the Wikimedia movement

Wikimedia UK (WMUK), also known as Wikimedia United Kingdom, is a registered charity established to support volunteers in the United Kingdom who work on Wikimedia projects such as Wikipedia. As such, it is a Wikimedia chapter approved by the Wikimedia Foundation (WMF), which owns and hosts those projects.² It is headquartered in London Borough of Southwark.¹ It employed 14 people in 2025.¹ Its revenue was £1.3 million in 2025.¹ Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

2008Founded¹

HeadquartersLondon Borough of Southwark¹
Websitewww.wikimedia.org.uk
Legal formcharitable organization¹

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Corporate structure

Wikimedia UK sits at the top of its group. 2 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Wikimedia UK London Borough of Southwark
- Cultural Outreach Limited Subsidiary

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Leadership

Who has led Wikimedia UK, and when. Pick a name to see everywhere that person has worked.

Chair

2010201520202025

ChairLucy Yu Sep 18, 2025 to now¹
ChairMonisha Shah 2021 to Jun 2025¹

Board members and other officers (13)

Board memberLucy Yu Sep 18, 2025 to now¹
Board memberSammy Fox Jul 1, 2023 to now¹
Board memberMonisha Shah Jul 10, 2021 to Jul 1, 2025¹
Board memberRod Ward Jul 2019 to now¹
Board memberLorna M. Campbell Jul 2016 to now¹
Board memberDoug Taylor Jul 2015 to now¹
Board memberJoseph Seddon Nov 17, 2013 to Feb 27, 2011¹
Board memberMartin Poulter Apr 16, 2011 to May 12, 2012¹
Board memberJoseph Seddon Apr 26, 2009 to Feb 27, 2011¹
Board memberMichael Peel Nov 5, 2008 to Jul 27, 2013¹
Board memberCaroline Ball¹
Board memberKelly Foster¹
Board memberVivian Wineman¹

Subsidiaries and ownership

Subsidiaries

Cultural Outreach Limited

From Wikidata.¹

Employees over time

Wikimedia UK employees by year¹14 in 2025+40% since 2014

202514¹
202416¹
202110¹
202011¹
201910¹
201811¹
20178¹
20169¹

Revenue over time

As stated on Wikidata, in the currency reported.

Revenue

Wikimedia UK revenue by year¹1.3M GBP in 2025+114% since 2017

20251.3M GBP¹
20241.1M GBP¹
2023977.2K GBP¹
2022860.3K GBP¹
2021867.4K GBP¹
2020734.7K GBP¹

Timeline

2008Founded Founded¹

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataWikimedia UK on Wikidata
2
WikipediaWikimedia UK on Wikipedia
3
Wikimedia CommonsWikimedia UK logo by logo was designed by w:User:Neolux , modified for the UK chapter by James F. ., CC BY-SA 3.0
4
Wikimedia CommonsWikimedia UK photo by Jwslubbock, CC BY-SA 4.0