New York • London • Sydney • Auckland
The Global Influence Experts.
We help leaders, brands and organisations change hearts and minds.
Replay
It starts with people. What they care about. Who they trust. What moves them. We turn that into one thing: Influence.
At Topham Guerin we build the strategy, messaging, communications and campaigns to reach the people who matter. Then we move fast, test and adapt until the work lands.
Read our story →We help you
Grow
We help clients acquire customers, build brands and deliver measurable commercial outcomes. Persuade
We shape the strategy, message and communications that change how people think, feel and act. Mobilise
We turn passive audiences into active supporters, advocates and participants. Protect
We help organisations build trust, manage pressure and protect the confidence they depend on. Where it counts
See all work- 17M+ TikTok views in the final 3 months National Party The digital campaign that rewrote NZ's political playbook
- 9,000+ competition entries on Meta Lloyds Bank Capturing new audiences with a photo competition
- 6M+ impressions across digital channels ACCI Making Aussie businesses heard
- 200K+ video views watched to 100% Cure Our Ovarian Cancer Showcasing Ovarian Cancer Symptoms on the world stage
Who trusts us
What we're up to
View all 
Topham Guerin opens TG USA, its United States headquarters in New York City
