Palgrave Macmillan is a British academic and trade publishing company headquartered in the London Borough of Camden. Its programme includes textbooks, journals, monographs, professional and reference works in print and online. It maintains offices in London, New York, Shanghai, Melbourne, Sydney, Hong Kong, Delhi, and Johannesburg.

Holtzbrinck Publishing Group is a privately held German company headquartered in Stuttgart, that owns publishing companies worldwide. Through Macmillan Publishers, it is one of the Big Five English-language publishing companies.