
BORN
DIFFERENT
Transparent, innovative media planning and buying
redefining industry norms for progressive brands.
A Partner Who Thinks Harder, Acts Bolder and Always Owns the Outcome

Creating Sustainable Impact
We're proudly a B Corp business and pioneers in responsible media. We put people, planet and profit on an equal footing.
Trusted by clients who value transparency, innovation and impact
Our Work





“What makes December 19 distinct is how they think more widely than just advertising, looking to create effective marketing results that create positive results for Xero as a business.”
Emilie Watts
Brand Marketing Manager, Xero
LET’S GET RESULTS TOGETHER
Looking for a media partner? Tell us your business objectives and we will discuss our approach. Transparency-driven, challenger-minded and no media jargon… that's a promise!