What are the big six marketing agencies?
What are the big six marketing agencies? The “Big Six” marketing agencies, as of early 2025, are: WPP Omnicom Group Publicis Groupe Dentsu Interpublic Group (IPG) Havas These agencies dominate the global advertising and marketing landscape, offering comprehensive services across various industries and marketing channels14.However, it’s important to note that Omnicom’s acquisition of Interpublic Group […]