Cassell & Company is a British publishing company founded in 1848 by George Cassell. It is known for producing a wide range of books, including fiction, non-fiction, and reference works. Over the years, the company has published notable authors and has contributed significantly to the literary landscape. The company gained prominence in the 19th and early 20th centuries, particularly for its illustrated works and children's literature. Today, Cassell & Company continues to operate, focusing on various genres and maintaining its legacy in the publishing industry.