Reform UK secured approximately £5.5 million in political donations during Q4 2025, maintaining its position as the leading UK party in fundraising for the second consecutive quarter. Notably, cryptocurrency investor Christopher Harborne contributed £3 million to this total. Data from the UK Electoral Commission reveals that Reform UK received around £18.6 million in donations throughout 2025, surpassing the Conservative Party's £13.4 million and the Labour Party's £8.2 million. Harborne had previously donated £9 million to Reform UK in Q3, marking one of the largest single donations by a living donor to a UK political party.