Burnham drops support for political donation cap after Labour’s union paymasters warn it would limit their funding for his party
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Andy Burnham has reportedly withdrawn support for a £500,000 cap on political donations after trade unions argued that it could restrict Labour’s funding. The reported reversal matters because Burnham had previously said a cap would help address concerns that wealthy donors or organisations could exert undue influence over political parties.
The GMB, which has given more than £2.4 million to Labour-related bodies since the start of 2025, said a domestic cap could have unintended consequences and noted unions’ existing legal oversight of political funds. The Government has instead announced a £100,000 annual limit on overseas donations, backdated to 25 March and extended to cover a person’s first year in the UK; separately, Burnham received more than £325,000 in donations before entering No 10.
- Burnham reportedly abandons support for a £500,000 domestic donations cap.
- Unions argued the proposed cap could unfairly restrict their political funding.
- The Government has introduced tighter limits on overseas donations.
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Political parties in the UK raise money from individuals and organisations, including trade unions. Unions can donate to parties such as Labour from funds set aside for political activity, which are subject to legal rules and member oversight.
Rules on political donations are debated because large contributions may raise questions about who can influence a party. The Government has announced a limit on donations from overseas, while a separate cap on donations from UK-based sources has also been discussed.
Andy Burnham is a senior Labour politician, and GMB is one of the country’s major trade unions. The debate matters because changes to donation rules could affect how parties and unions fund political activity, as well as public confidence in that funding.
Both sides, in good faith
The strongest fair case each way — we don't pick a winner.
The case for
A broad cap on political donations could reduce the risk that very wealthy individuals or organisations gain disproportionate access or influence, and could strengthen public confidence in party funding. Supporters may argue that common limits across domestic donors would make the rules clearer and fairer, rather than leaving parties dependent on large contributions.
The case against
A domestic cap could sharply reduce parties’ ability to fund campaigning and organisation, particularly Labour’s established reliance on trade union contributions. Opponents may argue that unions’ political funds are already subject to legal oversight and that restricting them alongside wealthy individual donors would treat distinct forms of collective support alike, while a targeted limit on overseas donations addresses a more specific concern.