Wikimedia UK
Also known as: Wiki UK Limited
WMUK exists to help collect, develop and distribute freely licensed knowledge (and other educational, cultural and historic material). We do this by bringing the Wikimedia community in the UK together, and by building links with UK-based cultural institutions, universities, charities and other bodies, and with overseas bodies within the Wikimedia Movement.
Activities & Mission
WMUK exists to help collect, develop and distribute freely licensed knowledge (and other educational, cultural and historic material). We do this by bringing the Wikimedia community in the UK together, and by building links with UK-based cultural institutions, universities, charities and other bodies, and with overseas bodies within the Wikimedia Movement.
Areas of Operation
Where this charity is registered to operate, as self-declared to the Charity Commission. These are regulatory classifications, not a list of active programmes, and don't necessarily indicate fundraising activity in each location.
Country
Region
Financial Information
Financial Efficiency
Latest Financial Breakdown
Income Sources
Expenditure Categories
Financial Trend
Annual Returns
As filed with the Charity Commission for England and Wales. Most recent filing covers the financial year ending 2025.
| Financial Year | Income | Expenditure | Charitable Spending | Net Assets | Reserves | Staff |
|---|---|---|---|---|---|---|
| 2025 | £1,269,305 | £1,029,346 | £975,532 | £645,526 | £449,161 | 14 / 379 |
| 2024 | £1,095,569 | £1,130,426 | £1,060,935 | £405,567 | £351,935 | 16 / 483 |
| 2023 | £977,202 | £976,142 | £839,860 | £440,424 | £347,000 | 15 / 381 |
| 2022 | £860,254 | £832,110 | £716,497 | £439,364 | £333,359 | 13 / 856 |
| 2021 | £867,439 | £694,263 | £615,617 | £411,220 | £285,093 | 10 / 507 |
Staff column shows: Employees / Volunteers
Frequently asked questions about Wikimedia UK
What does Wikimedia UK do?
WMUK exists to help collect, develop and distribute freely licensed knowledge (and other educational, cultural and historic material). We do this by bringing the Wikimedia community in the UK together, and by building links with UK-based cultural institutions, universities, charities and other bodies, and with overseas bodies within the Wikimedia Movement.
How much income did Wikimedia UK report in 2025?
Wikimedia UK reported total income of £1.27m and reported expenditure of £1.03m for the financial year ending 2025, based on the most recent annual return filed with the Charity Commission.
When was Wikimedia UK registered as a charity?
Wikimedia UK was registered with the Charity Commission for England and Wales on 3 November 2011 as charity number 1144513. It has been registered for 15 years.
Who runs Wikimedia UK?
Wikimedia UK is governed by a board of 10 trustees. The chair of trustees is Lucy Yu. Trustees are legally responsible for the charity's governance and are listed in full on its profile.
Where does Wikimedia UK operate?
Wikimedia UK operates across 3 areas: Northern Ireland, Scotland and England And Wales.
Is Wikimedia UK a registered charity?
Yes — Wikimedia UK is a registered charity in England and Wales, charity number 1144513.
Details
C/O The British Library
Level 4
Room 46018
96 Euston Road
LONDON
Registry Information
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Also governs 1 other charity
Also Known As
- Wiki UK Limited
- Wikimedia UK
Data & trust
- Register data refreshed
- 30 July 2026
- Methodology
- How metrics are calculated