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The Rt Hon John McDonnell is the Labour MP for Hayes and Harlington, and has been an MP continually since 1 May 1997.
Name of donor: Rail, Maritime and Transport Union Address of donor: Unity House, 39 Chalton Street, London NW1 1JD Amount of donation or nature and value if donation in kind: Administration and coordination of the RMT Parliamentary Group, which I chair, provided by Solidarity Consulting Ltd from 12 October 2024 to 11 October 2025, value £22,211 Donor status: trade union (Registered 20 November 2024)
Name of donor: Rail, Maritime and Transport Union Address of donor: Unity House, 39 Chalton Street, London NW1 1JD Amount of donation or nature and value if donation in kind: Administration and coordination of the RMT Parliamentary Group, which I chair, provided by Solidarity Consulting Ltd from 13 October 2025 to 12 October 2026, value £25,091 Donor status: trade union (Registered 29 October 2025)
Name of donor: Public and Commercial Services Union (PCS) Address of donor: 160 Falcon Road, London SW11 2LN Amount of donation or nature and value if donation in kind: Administration and coordination of the PCS Parliamentary Group, which I chair, by Solidarity Consulting Ltd, from 15 October 2024 to 14 October 2025, value £34,358, value £34,358 Donor status: trade union (Registered 20 November 2024)
Name of donor: Public and Commercial Services Union (PCS) Address of donor: 160 Falcon Road, London SW11 2LN Amount of donation or nature and value if donation in kind: Administration and coordination of the PCS Parliamentary Group, which I chair, by Solidarity Consulting Ltd, from 15 October 2025 to 14 October 2026, value £36,077 Donor status: trade union (Registered 29 October 2025)
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