McCann Worldgroup, the New York–headquartered agency network, unites advertising, branding, and digital design to craft communications rooted in everyday truths. Guided by its “Truth Well Told” philosophy, the agency transforms human insight into campaigns with lasting cultural reach. Mastercard’s Priceless, L’Oréal’s Because You’re Worth It, and Microsoft’s Changing the Game exemplify this ethos, earning global recognition for connecting commerce with genuine emotion.