The Socialist Party is a smaller organisation than the Militant of the 1980s, but has influence in some trade unions. In 2005, 23 Socialist Party members are elected members of trade union national executive committees. Under the leadership of Peter Taaffe, their policies have remained close to the Trotskyist mainstream. Their demand for the nationalisation of the one hundred and fifty top British companies and their longstanding practice of running in elections has led some critics to label them as reformists though the party insists that their method is based on Trotsky's Transitional Programme.