Omnicom Health Group

World's largest healthcare marketing and communications network, consistently ranked #1 in healthcare advertising by industry publications

Omnicom Health Group (OHG) is the healthcare marketing division of Omnicom Group, operating as the largest network of healthcare marketing and communications agencies globally. It brings together a portfolio of specialized agencies — including CDM New York, Patients & Purpose, DDB Health, Palio, and others — each focused on distinct segments of healthcare marketing such as professional promotion, patient engagement, payer marketing, and medical education. OHG serves pharmaceutical, biotech, medical device, and consumer health clients by delivering integrated campaigns across digital, print, experiential, and data-driven channels. OHG's significance in the AdTech and health marketing ecosystem lies in its ability to combine deep scientific and clinical expertise with sophisticated data analytics, media planning, and creative execution. The group leverages Omnicom's broader technology and data infrastructure — including Omni, the group's open operating system — to deliver precision targeting and personalized messaging to healthcare professionals (HCPs), patients, and payers. This positions OHG at the intersection of regulated health communications and modern programmatic advertising capabilities. As a subsidiary of Omnicom Group (NYSE: OMC), OHG benefits from the scale, global reach, and technology investments of one of the world's largest advertising holding companies. The group competes directly with WPP Health Practice, Publicis Health, IPG Health, and Havas Health & You, and is consistently recognized as a market leader in healthcare advertising by industry rankings such as MM+M and Medical Marketing & Media.