Haymarket Media Group is a privately-owned media, data and information company founded in 1957 that serves specialist audiences across multiple sectors. Operating from eight countries - the United Kingdom, United States, Canada, Hong Kong, Singapore, India, Germany, and the Netherlands - the group reaches audiences in automotive, healthcare and medical communications, business media, and financial services.
The company operates more than 80 market-leading brands, including What Car?, Campaign, PRWeek, the Haymarket Medical Network, and myCME. Its portfolio spans traditional and digital channels: print publications, digital media, live events, video, audio, data services, and education programmes.
With over 1,300 professionals on its staff, Haymarket has grown into a substantial global enterprise since its founding as Cornmarket Press. The group holds B Corp certification, reflecting a commitment to social responsibility and sustainable business practices alongside its commercial operations.






