In 2024, the UK turnover of HarperCollins turnover was more than £270m, with an operating profit of £25m. According to his own website, Walliams has sold at least 60m copies of his books. The Bookseller says Walliams’s sales total about £153m since 2008. In 2018, he made up 44% of all sales of HarperCollins children’s titles, although The Bookseller has reported that sales of his books fell by about 60% over the summer this year. In October, HarperCollins UK’s then chief executive, Charlie Redmayne, who is thanked in many of Walliams’s books, resigned and was replaced by Kate Elton, who has worked in adult fiction and nonfiction at the company since 2011. The Times has reported that this was unrelated to Walliams.
