Name of donor: GMB Southern Region Address of donor: Mary Turner House, 22 Stephenson Way, London NW1 2HD Amount of donation or nature and value if donation in kind: Support for a constituency office, estimated value £550 per calendar month, value £6,600 Date received: 7 November 2025 Date accepted: 7 November 2025 Donor status: trade union (Registered 19 January 2026)