William Heinemann (an imprint of Penguin Random House (UK))

William Heinemann Ltd., with the imprint Heinemann, was a London-based publisher founded in 1890 by William Heinemann. Their first published book, 1890's The Bondman, was a huge success in the United Kingdom and launched the company. He was joined in 1893 by Sydney Pawling. Heinemann died in 1920 and Pawling sold the company to Doubleday, having worked with them in the past to publish their works in the United States. Pawling died in 1922 and new management took over. Doubleday sold his interest in 1933.

Through the 1920s, the company was well known for publishing works by famous authors that had previously been published as serials. Among these were works by H. G. Wells, Rudyard Kipling, W. Somerset Maugham, George Moore, Max Beerbohm and Henry James, among others. This attracted new authors to publish their first editions with the company, including Graham Greene, Edward Upward, J. B. Priestley and Vita Sackville-West. Throughout, the company was also known for its classics and international catalogue, and in the post-WWII era, the company focused on educational materials.

Through the 1950s, the company was slowly taken over by Tilling Group's investment arm. In 1953 they opened offices in The Hague for sales in continental Europe, and in 1978 they opened a separate company in Portsmouth, New Hampshire to sell their educational works in the US market. When Tilling was purchased by BTR plc in 1983, BTR sold off all their non-industrial assets; Heinemann was sold to Octopus Publishing Group. Octopus merged with Reed International in 1987, who then sold their entire trade-oriented publishing assets to Random House in 1997. Heinemann ELT (English Language Teaching) division was sold to Macmillan Education in 1998. Eventually, the rest of international division was sold to Pearson Education and the US division to Houghton Mifflin Harcourt in 2007. Most of these successors (with exception of Macmillan Education) continue to use the imprint.