Michael O'Mara Books is a small, family-run, privately owned publishing house in the United Kingdom. Established in London in 1985, by an American expatriate, Michael O'Mara, a native of Philadelphia, Pennsylvania, and his British wife, Lesley, the company focuses on non-fiction books from autobiographies and memoir to colouring. O'Mara Books won the Independent Publishers Guild International Achievement Award in 2007 and the Lambeth Made Charter Mark Award for Best Apprenticeship Employer in 2021.