The team of authors from IMEMO Academy of Sciences of the USSR on the basis of Leninist signs of imperialism shows modern forms of domination of Western European capital, reveals the true scale of its power, explores the methods of competition, the levers of control of financial capital over the national economy and abroad. The work was prepared for the 70th anniversary of the publication of V. I. Lenin's book "Imperialism as the highest stage of capitalism." It shows the enduring importance of Leninist ideas.