McCann Worldgroup. Integrated Global Network of Specialty Marketing Agencies.

Founded over 100 years ago with their own platform, “Truth Well Told,” McCann is the world's leading advertising agency network, creating some of the most creatively and commercially impactful advertising globally.

The McCann Worldgroup network provides today's marketers with best-in-class strategic and creative services that help their brands play a meaningful role in people's lives and build their businesses.

With operations in over 120 countries and some nine decades of multinational experience, McCann Erickson has been recognized as the creator of the modern global advertising agency model and has created some of the best-known and most iconic advertising campaigns of the last century.

In a year filled with fluctuations for many brands and agencies, McCann Worldgroup served as a steady partner to major clients such as Microsoft, Nestle and L'Oreal.

Irish McCann is an Irish surname.

At McCann Worldgroup, we're united across 100+ countries by a single mission: to help brands play a meaningful role in people's lives.

In 1911 Harrison McCann started an advertising agency with $5,000 borrowed money. He lived to see that organization become the first to approach the half-billion dollar mark. In 1928 McCann-Erickson established three offices in Europe, growing to include branches covering 44 countries by McCann's death in 1962.

MRM//McCann

In 1911 Harrison McCann started an advertising agency with $5,000 borrowed money. He lived to see that organization become the first to approach the half-billion dollar mark. In 1928 McCann-Erickson established three offices in Europe, growing to include branches covering 44 countries by McCann's death in 1962.

It is well accepted that the McCanns originated on the banks of Lough Neagh; they were called the lords of Clan Breasail. Over time, this district was sometimes referred to as Clanbrassil, and Breasal Macha and was located on the southern shores of Lough Neagh.

Harrison King McCann Harrison King McCann (November 4, 1880 – December 20, 1962), was the founder of the H. K. McCann Company.